Subject: LaTEX Boiler Plate continued
Newsgroups: comp.patents
Approved: patents@cs.su.oz.au
Temporary-Moderator: mflll1@uxa.ecn.bgu.edu

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X
X\begin{center}
X{\bf CLAIMS}
X\end{center}
X
XThe embodiments of the invention in which I claim an exclusive property or
Xprivilege are defined as follows:
X
X{\bf 1}.  A power converter with integrated magnetics, comprising:
X
Xa magnetic core having at least two windings, windings of transformer means
Xpassing through one winding window, and windings of inductor means passing
Xthrough one other winding window, said windings being wound relative to each
Xother about said core, such that the flux of said inductor means opposes the
Xdirection of flux developed by said transformer means and increases the
Xavailable flux for transformer action;
X
Xa first circuit of a first diode in series with a first switch;
X
Xa second circuit of a second diode in series with a second switch;
X
Xand capacitor means in parallel with said first circuit and connected at least
Xto one end of said second circuit, said transformer means including primary
Xwinding means with one end of said primary winding means being joined to the
Xjunction between said first diode and said first switch and the other end of
Xsaid primary winding means being joined to the junction between said second
Xdiode and said second switch.
X
X{\bf 2}. The converter of claim {\bf 1}, wherein said winding windows have
Xunequal area and said one winding window has an area less than that of said
Xone other winding window.
X
X{\bf 3}. The converter of claim {\bf 2}, wherein said core is generally
Xrectangular and said winding windows are rectangular; wherein said core
Xcomprises an inner leg which defines at least part of the adjacent sides of
Xsaid winding windows; and wherein said adjacent side of said smaller winding
Xwindow is longer than said adjacent side of said larger winding window.
X
X{\bf 4}. The converter of claim {\bf 1}, wherein said core comprises three
Xshort legsl; wherein one of said short legs has a cross-sectional area greater
Xthan a second short leg and less than the third short leg; and wherein said
Xsecond short leg is adapted to receive a bobbin carrying said windings of said
Xtransformer means, and said third short leg is adapted to receive a bobbin
Xcarrying said windings of said inductor means.
X
X{\bf 5}. The converter of claim {\bf 1}, wherein said inductor means includes
Xinductor winding means which has one end connected to the junction between
Xsaid first diode and said first switch, and has its other end adapted to be
Xconnected to a source of voltage.
X
X{\bf 6}. The converter of claim {\bf 1}, wherein said primary winding means
Xcomprises two windings having a common center tap; and wherein said capacitor
Xmeans comprises two capacitors in series with each other, the junction between
Xsaid two capacitors being connected to said center tap; and wherein said
Xsecond circuit is connected in parallel with said two capacitors in series.
X
X{\bf 7}. A power converter with integrated magnetics, comprising:
X
Xa magnetic core having two winding windows of unequal area and three legs of
Xunequal cross sectional area with the leg having the largest cross sectional
Xarea defining an air gap,
X
Xwindings of power transformer means passing around the leg with the smallest
Xcross sectional area and through only the one winding window with the smaller
Xarea to form a transformer core leg, and
X
Xwindings of inductor winding means passing around said leg with the largest
Xcross sectional area through only the other winding window, said windings of
Xsaid inductor winding means being wound relative to said windings of said
Xpower transformer about said core, such that the flux of said inductor winding
Xmeans opposes the direction of flux developed by said power transformer means
Xin said transformer core leg and increases the available flux for transformer
Xaction.
X
X{\bf 8}. An integrated magnetics power converter, comprising: a magnetic core
Xhaving at least two winding windows; primary winding means and secondary
Xwinding means of a transformer passing through one winding window; inductor
Xwinding means passing through another window, said winding means being
Xdisposed relative to each other such that the flux of said inductor winding
Xmeans opposes the direction of flux developed by said primary winding means;
Xa first circuit having a first diode in series with a first switch; a second
Xcircuit having a second diode in series with a second switch; two capacitors
Xin series with each other and in parallel with said first circuit and said
Xsecond circuit, one opposite end of said primary winding means being joined to
Xthe junction between said first first diode and said first switch and the 
Xother opposite end being joined to the junction between said second diode and
Xsaid second switch; and two diodes connected in series, said primary winding
Xmeans comprising two winding parts with the adjacent ends of each winding part
Xconnected to one of the free ends of said two diodes and with the junction
Xbetween said two diodes connected to the common junction between said two
Xcapacitors.
X
X{\bf 9}. An integrated magnetics power converter, comprising: a magnetic core
Xhaving at least two winding windows; primary winding means and secondary
Xwinding means of a power transformer passing through one winding window;
Xinductor winding means passing through another winding window, said winding
Xmeans being wound relative to each other such that the flux of said inductor
Xwinding means opposes the direction of flux developed by said primary winding
Xmeans; a first circuit of a first diode in series with a first switch; a
Xsecond circuit of a second diode in series with a second switch, one end of
Xsaid primary winding means being joined to the junction between said first
Xdiode and said first switch and the other end of said primary winding means
Xbeing joined to the junction between said second diode and said second switch,
Xsaid inductor means comprising two inductors, one inductor having one end
Xbeing adapted to be connected to a source of voltage and having its other end
Xconnected to the junction between said second diode and said second switch;
Xand capacitor means connected in parallel with said first circuit to define
Xa parallel circuit, said parallel circuit being connected in series with the
Xother of said two inductors to define a series-parallel circuit, said
Xseries-parallel circuit being in parallel with said second circuit.
X
X{\bf 10}.  The converter of claim {\bf 9}, further including an isolation
Xdiode in series with one end of said primary winding means, the other end of
Xsaid primary winding means being connected to the junction between one of
Xsaid first switch and second switch and its diode, the other end of said
Xisolation diode being connected to the other of said first switch and second
Xswitch and its diode.
X
X{\bf 11}.  An integrated magnetics power converter, comprising: a magnetic
Xcore having at least two winding windows; a center tapped primary winding and
Xa secondary winding of a power transformer passing through one winding window;
Xinductor winding means passing through another window; a first circuit of a
Xfirst diode in series with a first switch; a second circuit of a second diode
Xin series with a second switch; one end of said primary winding being joined
Xto the junction between said first diode and said first switch and the other
Xend of said primary winding being joined to the junction between said second
Xdiode and said second switch; and the equivalent of two capacitors in series
Xwith each other and in parallel with said first circuit and said second
Xcircuit, the junction between said two capacitors being connected to said
Xcenter tap; and the equivalent of two input capacitors in series with each
Xother with their common junction connected to said center tap, said inductor
Xwinding means comprising two inductor windings, one of said two inductor
Xwindings having one end connected to the junction between said first switch
Xand said first diode and having its other end connected to a source of voltage
Xand to one end of said two input capacitors in series with each other, the
Xother of said two inductor windings having one end connected to the parallel
Xcombination of said first circuit and said second circuit and having its
Xother end connected to the other end of said two input capacitors in series
Xwith each other.
X
X{\bf 12}.  An integrated magnetics power converter, comprising: a core having
Xat least three legs including a center leg which is closer to one or two
Xouter legs; primary winding means and a secondary winding means of a
Xtransformer passing around said one outer leg; an inductor winding passing
Xaround the other outer leg; a first circuit of a first diode in series with
Xa first switch, said inductor winding having one end connected to the junction
Xbetween said first diode and said first switch, the other end of said inductor
Xwinding being adapted to be connected to a source of voltage; a second circuit
Xof a second diode in series with a second switch, one end of said primary
Xwinding means being joined to the junction between said first diode and said
Xfirst switch and the other end being joined to the junction between said
Xsecond diode and said second switch; capacitor means in parallel with said
Xfirst circuit and said second circuit; and a third switch across said first
Xswitch which is closed when said first switch and said second switch are open.
X
X{\bf 13}.  The apparatus of claim {\bf 12}, further including a third diode
Xwhich is in series with said third switch, the series combination of said
Xthird diode and third switch being in parallel with said first switch.
X
X{\bf 14}.  The converter of claim {\bf 13}, wherein said third switch is a
XMOSFET transistor and said another diode is a SCHOTTKY diode.
X
X{\bf 15}.  An integrated magnetics power converter, comprising:
X
Xa magnetic core;
X
Xprimary winding means and secondary winding means, carried by one part of
Xsaid core, for a transformer;
X
Xinductor winding means, carried by another part of said core, for developing
Xflux in said one part of said core to oppose the direction of flux developed
Xby said primary winding means;
X
Xa first series circuit comprising said inductor winding means having one end
Xconnected to one end of a biasing diode and comprising a first switch
Xconnected to the other end of said biassing diode, the other end of said
Xinductor winding means being adapted to be connected to a voltage source;
X
Xa second series circuit comprising a reset winding having one end connected
Xto one end of a first diode and comprising a second switch having one end
Xconnected to the other end of said first diode, said primary winding having
Xone end connected to the junction between said biassing diode and said first
Xswitch and having its other end connected to the other end of said second
Xswitch;
X
Xcapacitor means across said reset winding and said first diode; and
X
Xa second diode connecting the junction between said first diode and said reset
Xwinding with the junction between said inductor winding and said biasing
Xdiode.
X
X{\bf 16}.  The converter of claim {\bf 15}, wherein said core has at least
Xthree legs to define at least part of two winding windows of unequal area;
Xwherein said transformer is carried on one leg such that said primary winding
Xmeans and said secondary winding means passes through the smaller winding
Xwindow; and wherein said inductor winding means is carried on an opposite leg
Xand passes through the larger winding window.
X
X{\bf 17}.  An integrated magnetics power converter, comprising: a magnetic
Xcore; a first inductor winding carried by said core and in series with one
Xend of a first diode; a second inductor winding carried by said core and in
Xseries with one end of a second diode; a first switch connecting the junction
Xbetween said first inductor winding and said first diode with the other end
Xof said second diode; a second switch connecting the junction between said
Xsecond inductor winding and said second diode with the other end of said
Xfirst diode; and two capacitors in series with each other to connect said
Xother ends of said first diode and said second diode, the common junction
Xbetween said two capacitors and the free ends of said inductor windings
Xdefining the inputs of a boost section of the converter.
X
X{\bf 18}.  The converter of claim {\bf 17}, further including primary
Xtransformer winding means on said magnetic core; and a buck circuit
Xconnected to said other ends of said first diode and said second diode, said
Xbuck circuit including primary transformer winding means.
X
X{\bf 19}.  The converter of claim {\bf 18}, wherein said primary winding
Xmeans has a center tap connected to the junction between said two capacitor
Xin series; and further including:
X
Xa) two buck switches, each buck switch having one end connected to one end of
Xsaid primary winding means and its other end connected to said other end of
Xone of said first and second diodes; and
X
Xb) a third and a fourth diode, each having one end connected to the junction
Xbetween said one end of said primary winding and one buck switch and its
Xother end connected to the other end of the other buck switch.
X
X{\bf 20}.  An integrated magnetics power converter, comprising: a magnetic
Xcore; a first inductor winding carried by said core and in series with one
Xend of a first diode and a second inductor winding carried by said core and
Xin series with one end of a second diode; a first switch connecting the
Xjunction between said first inductor winding and said first diode to the
Xother end of said second diode; a second switch connecting the junction
Xbetween said second inductor winding and said second diode to the other end
Xof said first diode; two capacitors in series with each other and connected
Xto said other ends of said first diode and said second diode; two primary
Xwindings on said core; and a third diode and a fourth diode, one end of one
Xprimary winding being connected to the junction between said first inductor
Xwinding and said first diode and with the other end connected by said third
Xdiode to the junction between said two capacitors in series, one end of the
Xother primary winding being connected to the junction between said second
Xinductor winding and said second diode and with the other end connected by
Xsaid fourth diode to the junction between said two capacitors in series.
X
X{\bf 21}.  An integrated magnetics power converter, comprising: a magnetic
Xcore; a primary transformer winding carried by said core; a first inductor
Xwinding carried by said core and in series with one end of a first diode;
Xa second inductor winding in series with one end of a second diode; capacitor
Xmeans for connecting together the other ends of said first diode and said
Xsecond diode; an isolation diode connected to one end of said primary
Xtransformer winding; and two switches, the other end of said primary
Xtransformer winding being connected by a first switch to said other end of
Xsaid first diode, the other end of said isolation diode being connected by
Xa second switch to said other end of said second diode.
X
X{\bf 22}.  A converter, comprising: a magnetic core defining in cross-section
Xat least two windows; primary winding means and secondary winding means of a
Xtransformer passing through one window, said primary winding means comprising
Xtwo primary windings joined in series with each other and wound in the same
Xsense; at least one inductor winding passing through the other window, said
Xwindings being wound relative to each other such that the phasing of said
Xinductor winding opposes the direction of flux developed by said two primary
Xwindings; a first switch having one end connected to one end of primary
Xwinding, the other end of said one primary winding being connected at a
Xcommon junction to one end of the other primary winding, said first switch
Xand said one primary winding defining a first series circuit, said first
Xseries circuit being adapted to receive a voltage source across the other
Xend of said first switch and the other end of said one primary winding; and
Xa second switch in series with said one inductor winding to define a second
Xseries circuit which is in parallel with said two primary windings and said
Xfirst switch.
X
X{\bf 23}.  The converter of claim {\bf 22}, wherein said secondary winding
Xmeans comprises two secondary windings wound in the same sense, each
Xsecondary winding having one end connected to a common ground; and further
Xincluding another inductor wining and two diodes, each diode connecting one
Xend of said another inductor winding with one of the other ends of said two
Xsecondary windings.
X
X{\bf 24}.  The converter of claim {\bf 23}, further including a network in
Xparallel with said another inductor winding, said network comprising a
Xresistor and capacitor in parallel with each other and in series with a
Xthird diode.
X
X{\bf 25}.  An integrated magnetics power converter, comprising: a magnetic
Xcore defining in cross-section at least two winding windows; at least one
Xprimary winding and one secondary winding of a transformer passing through
Xthe one winding window; at least one inductor winding passing through
Xanother winding window, said windings being wound relative to each other
Xsuch that the flux of said inductor winding opposes the direction of flux
Xdeveloped by said primary winding; a first series circuit comprising one
Xswitch in series with said inductor winding, said first series circuit
Xbeing adapted to be connected across a voltage source; and a second series
Xcircuit in parallel with said first switch, said second series circuit
Xcomprising a second switch and said primary winding.
X
X{\bf 26}.  The converter of claim {\bf 25}, wherein said first switch and
Xsaid second switch have a different duty cycle and wherein the ratio of
Xthe output voltage of the converter to the input voltage is equal to ratio
Xof the turns on said secondary winding to the product of the turns on
Xsaid primary winding and the duty cycle of the second switch.
X
X{\bf 27}.  An integrated magnetics power converter, comprising: a generally
Xrectangular magnetic core having at least two winding windows; a primary
Xwinding and a secondary winding of a transformer passing through one
Xwinding window; an inductor winding passing through another winding window,
Xsaid windings being would relative to each other such that the phasing of
Xsaid inductor winding opposes the direction of flux developed by said
Xprimary winding; a first switch in series with said primary winding to define
Xa first series circuit; and a second switch in series with said inductor
Xwinding to define a second series circuit, said first series circuit being
Xin parallel with said second series circuit and adapted to be connected
Xacross a source of DC-voltage.
X
X{\bf 28}.  The integrated magnetics power converter of claim {\bf 27},
Xwherein said magnetic core has only two winding windows of unequal area.
X
X{\bf 29}.  A converter having a boost stage in series with a buck stage,
Xcomprising:
X
Xa magnetic core having one bobbin means around which power transformer
Xwindings are wound and another bobbin means around which inductor windings are
Xwound so as to form an integrated magnetics assembly, said magnetic core
Xhaving only two winding windows of unequal area and three legs of unequal
Xcross sectional area with the leg having the largest cross sectional area
Xdefining an air gap, said power transformer windings including a primary
Xwinding, said power transformer windings and said inductor windings being
Xwound relative to each other such that the flux of said inductor windings
Xopposes the direction of flux developed by said power transformer windings
Xin the leg of smallest cross section;
X
Xswitching means for controlling the flow of current through said primary
Xwinding, said switching means comprising:
X
X(a) a first circuit for joining a node to a circuit ground using a first
Xdiode in series with a first switch,
X
X(b) a second circuit of a second diode having one end joined to one end of a
Xsecond switch, said first diode and the other end of said second switch being
Xjoined to said node and said first switch and said second switch having the
Xsame duty cycle,
X
X(c) means, using at least part of said inductor windings, for supplying DC
Xcurrent to the junction between said first diode and said first switch, and
X
X(d) capacitor means in parallel with said first circuit, said primary winding
Xof said transformer joining said junction between said first switch and said
Xfirst diode to the junction between said second switch and said second diode;
Xand
X
Xoperating means for operating said switching means in a continuous mode of
Xenergy storage under minimum output loading conditions while providing
Xadequate time for removing the magnetization energy of the transformer part
Xof said integrated magnetics assembly, said operating means comprising:
X
X(a) resistor means; and
X
X(b) capacitor means in parallel with said resistor means for joining the other
Xend of said second diode to said junction between said first switch and said
Xfirst diode.
X
X{\bf 30}.  A converter, comprising:
X
Xa magnetic core having one bobbin means around which power transformer
Xwindings are wound and another bobbin means around which inductor windings are
Xwound so as to form an integrated magnetics assembly, said power transformer
Xwindings including a center tapped primary winding said inductor windings and
Xcore forming a first inductor and a second inductor;
X
Xswitching means for controlling the flow of current through said primary
Xwinding, said switching means comprising: one switch having one end connected
Xto one end of said center tapped primary winding, a second switch with one end
Xconnected to the other end of said center tapped primary winding, a first
Xdiode which connects the other end of said first switch to said other end of
Xsaid primary winding, and a second diode which connects the other end of said
Xsecond switch to said one end of said primary winding; and
X
Xoperating means for operating said switching means in a continuous mode of
Xenergy storage under minimum output loading conditions while providing
Xadequate time for removing the magnetization energy of the transformer part
Xof said integrated magnetics assembly, said operating means comprising:
X
X(a) a third diode having one end connected to one end of said first inductor,
Xsaid third diode having its other end connected to said other end of said
Xsecond switch;
X
X(b) a fourth diode having one end connected to one end of said second
Xinductor, said fourth diode having its other end connected to said other end
Xof said first switch;
X
X(c) capacitive means for capacitively coupling said other ends of said third
Xand fourth diodes to said center tap of said primary winding;
X
X(d) a third switch connecting said one end of said third diode to said other
Xend of said fourth diode; and
X
X(e) a fourth switch connecting said one end of said fourth diode to said
Xother end of said third diode.
X
X{\bf 31}.  The converter of claim {\bf 30}, wherein said capacitive means is
Xtwo capacitors in series with each other and said center tap is connected to
Xthe common junction between said two capacitors in series.
X
X{\bf 32}.  An integrated magnetics power converter, comprising:
X
Xa magnetic core having two winding windows of unequal area; at least one
Xprimary winding and one secondary winding of a transformer passing through
Xthe smaller winding window; an inductor winding passing through the larger
Xof the two winding windows, said windings being wound relative to each other
Xsuch that the flux of said inductor winding opposes the direction of flux
Xdeveloped by said primary winding; a first circuit of a first diode in series
Xwith a first switch, said primary winding having one end joined to the
Xjunction between said first diode and said first switch; a second circuit of
Xa second diode in series with a second switch, said primary winding having
Xits other end joined to the junction between said second diode and said
Xsecond switch, and capacitor means in parallel with said first circuit and
Xsaid second circuit, said inductor winding having one end connected to the
Xjunction between one diode and its switch, and the other end being adapted
Xto be connected to a source of voltage.
X
X{\bf 33}.  The converter of claim {\bf 32}, further including: a third diode
Xfor joining said one end of said inductor winding to the junction between
Xsaid one diode and its switch; and a fourth diode for joining said one end
Xof said inductor winding to the common junction of one of said first and
Xsecond circuits and said capacitor means.
X
X{\bf 34}.  An integrated magnetics converter, comprising: a magnetic core;
Xprimary winding means of a transformer comprising two primary windings wound
Xin opposite directions on said core; secondary winding means of said
Xtransformer on said core; inductor winding means on said core comprising two
Xinductor windings wound in opposite directions;
X
Xa first series circuit of a diode in series with one primary winding;
X
Xa second series circuit of a first switch in series the other primary winding;
X
Xcapacitor means in parallel with said first series circuit and said second
Xseries circuit;
X
Xone inductor in series with a second switch to charge said capacitor means
Xand in series a third switch to ground;
X
Xa third series circuit comprising a fourth switch in series with said
Xsecondary winding means; and
X
Xa fourth series circuit comprising a fifth switch in series with the other
Xinductor winding.
X
X{\bf 35}.  The converter of claim {\bf 34}, further including an output
Xcapacitor in parallel with said third series circuit and said fourth series
Xcircuit.
X
X{\bf 36}.  The converter of claim {\bf 34}, wherein said first switch, second
Xswitch and said fourth switch have one duty cycle and said first switch and
Xsaid fifth switch have another duty cycle.
X
X{\bf 37}.  The converter of claim {\bf 36}, wherein said duty cycles are
Xcomplementary.
X
X{\bf 38}.  An integrated magnetics power converter, comprising: a core having
Xat least two winding windows and three flux legs, with one of said legs
Xdefining an air gap; a first series circuit of one primary winding which is
Xcarried by said core and which is in series with a switch, across which
Xvoltage is inputted; a secondary winding which is carried by said core and
Xwhich is in series with one diode, across which voltage is outputted;
Xinductor winding means which is carried by said core and which is in series
Xwith a second diode, across which is applied said voltage output; and reset
Xwinding means in series with an inductor and a capacitor and both in
Xparallel with said second diode.
X
X{\bf 39}.  The converter of claim {\bf 38}, wherein said inductor winding
Xmeans comprises two inductor windings in series with each other with one
Xinductor winding on the same leg as said primary winding and with the other
Xinductor winding on the same leg as said secondary winding.
X
X{\bf 40}.  The converter of claim {\bf 38}, wherein said reset winding means
Xcomprises two reset windings in series with each other with one reset
Xwinding on the same leg as said primary winding and with the other reset
Xwinding on the same leg as said secondary winding.
X
X{\bf 41}.  The converter of claim {\bf 38}, further including: another
Xsecondary winding in series with a third diode and on the same leg as
Xsaid primary winding, said another secondary winding and said secondary
Xwinding being wound in the opposite sense; and another primary winding in
Xseries with a second switch and on the same leg as said secondary winding,
Xsaid primary winding and another primary winding being wound in the
Xopposite sense.
X
X{\bf 42}.  The converter of claim {\bf 38}, further including: two split
Xinductor windings on said core and in series with said first series circuit,
Xacross which voltage is inputed; and a second series circuit, in parallel
Xwith said first series circuit, comprising a second primary winding in series
Xwith a second switch.
X
X{\bf 43}.  The converter of claim {\bf 42}, further including: a third
Xswitch which joins said first series circuit to said two split inductor
Xwindings; and a fourth switch which joins said one second series circuit to
Xsaid two split inductor windings.
X
X{\bf 44}.  A power converter, comprising:
X
Xa magnetic core having only two winding windows of unequal area and three legs
Xof unequal cross sectional area with the leg having the largest cross
Xsectional area defining an air gap;
X
Xa buck stage having windings of transformer means passing around the leg with
Xthe smallest cross sectional area and through only the one winding window
Xwith the smaller area to form a transformer core leg, and
X
Xa boost stage for supplying said buck stage, said boost stage having the same
Xduty cycle as said buck stage and having windings of inductor means passing
Xthrough only the other winding window, said windings of said inductor means
Xbeing wound relative to said windings of said transformer means about said
Xcore such that the flux of said inductor means opposes the direction of flux
Xdeveloped by said transformer means in said transformer core leg and increases
Xthe available flux for transformer action, said boost stage comprising:
X
X(a) first inductor means having one end in series with one end of a first
Xdiode;
X
X(b) second inductor means having one end in series with one end of a second
Xdiode, said first inductor means and said second inductor means being carried
Xby said leg with the largest cross sectional area;
X
X(c) a first switch connecting the junction between said first inductor means
Xand said first diode with the other end of said second diode;
X
X(d) a second switch connecting the junction between said second inductor means
Xand said second diode with the other end of said first diode; and
X
X(e) capacitor means for capacitively connecting said other ends of said first
Xdiode and said second diode to a common node, the input to said boost stage
Xbeing applied between said common node and the other ends of said first
Xinductor means and said inductor means.
X
X{\bf 45}.  A converter, comprising: a magnetic core having one bobbin means
Xaround which power transformer windings are wound and another bobbin means
Xaround which inductor windings are wound so as to form an integrated magnetics
Xassembly, said inductor winding and said core comprising a first inductor and
Xa second inductor, said power transformer windings including a primary
Xwinding;
X
Xswitching means for controlling the flow of current through said primary
Xwinding; and
X
Xoperating means for operating said switching means in a continuous mode of
Xenergy storage under minimum output loading conditions while providing
Xadequate time for removing the magnetization energy of the transformer part
Xof said integrated magnetics assembly, said operating means comprising a
Xdiode in series with said primary winding to form a primary circuit, said
Xswitching means comprising:
X
X(a) said first inductor in series with a first diode and a first switch and
Xjoined to one end of said primary circuit;
X
X(b) said second inductor in series with a second diode and a second switch
Xand joined to the other end of said primary circuit;
X
X(c) means for joining the junction between said first diode and said first
Xinductor to said other end of said primary circuit;
X
X(d) means for joining the junction between said second diode and said second
Xinductor to said one end of said primary circuit; and
X
X(e) means for capacitively coupling said junction between said first diode and
Xsaid first switch to said junction between said second diode and said second
Xswitch.
X
X{\bf 46}.  An integrated magnetics power converter, comprising: a first
Xinductor in series with one end of a first diode; a second inductor in series
Xwith one end of a second diode; a first switch connecting the junction
Xbetween said first inductor and said first diode with the other end of said
Xsecond diode; a second switch connecting the junction between said second
Xinductor and second diode with the other end of said first diode; means,
Xcomprising the equivalent of two capacitors in series with each other, for
Xconnecting said other ends of said first diode and said second diode; a
Xprimary transformer winding having a center tap connected to the junction
Xbetween said two capacitors in series, said primary transformer winding and
Xsaid first inductor and said second inductor sharing the same core; two
Xbuck switches, each connecting one end of said primary winding with one of
Xsaid other ends of said first and second diodes; and a third and fourth
Xdiode, each connected between the junction between said one end of said
Xprimary winding and one buck switch and to the other end of the other buck
Xswitch.
X
X{\bf 47}.  An integrated magnetics power converter, comprising: a first
Xinductor in series with one end of a first diode; a second inductor in series
Xwith one end of a second diode, said first inductor and said second inductor
Xbeing carried by the same core; a first switch connecting the junction
Xbetween said first inductor and said first diode with the other end of said
Xsecond diode; a second switch connecting the junction between said second
Xinductor and second didoe with the other end of said first diode; connecting
Xmeans, equivalent to two capacitors in series with each other, for connecting
Xsaid other ends of said first diode and said second diode; a transformer
Xhaving two primary windings on said core, each primary winding having an end
Xconnected to the junction between one inductor and its diode; and means,
Xequivalent to a third and fourth diode, for connecting the junction between
Xsaid equivalent of two capacitors in series anad one of the other ends of
Xsaid two primary windings.
X
X{\bf 48}.  A converter, comprising:
X
Xa magnetic core having one bobbin means around which power transformer
Xwindings are wound and another bobbin means around which inductor windings
Xare wound so as to form an integrated magnetics assembly, said power
Xtransformer windings including a primary winding;
X
Xswitching means for controlling the flow of current through said primary
Xwinding; and
X
Xoperating means for operating said switching means in a continuous mode of
Xenergy storage under minimum output loading conditions while providing
Xadequate time for removing the magnetization energy of the transformer part
Xof said integrated magnetics assembly, said operating means comprising a
Xdissipative averaging reset circuit in parallel with said primary winding.
X
X{\bf 49}.  The converter of claim {\bf 48}, wherein said dissipative averaging
Xcircuit comprises a diode in series with the parallel combination of a
Xcapacitor and a resistor.
X
X{\bf 50}.  A converter, comprising:
X
Xa magnetic core having one bobbin means around which power transformer
Xwindings are wound and another bobbin means around which inductor windings
Xare wound so as to form an integrated magnetics assembly, said power
Xtransformer windings including a primary winding;
X
Xswitching means for controlling the flow of current through said primary
Xwinding, said switching means comprising a first circuit of a first diode in
Xseries with a first switch and comprising a second circuit of a second diode
Xin series with a second switch with said primary winding of said transformer
Xjoining the junction between said first switch and said first diode to the
Xjunction between said second switch and said second diode; and
X
Xoperating means for operating said switching means in a continuous mode of
Xenergy storage under minimum output loading conditions while providing
Xadequate time for removing the magnetization energy of the transformer part
Xof said integrated magnetics assembly, said operating means comprising a
Xthird circuit of a third switch in series with a third diode, said third
Xcircuit being in parallel with said first diode, said third switch being
Xclosed when said first and second switches are open.
X
X{\bf 51}.  A converter, comprising:
X
Xa magnetic core having one bobbin means around which power transformer
Xwindings are wound and another bobbin means around which inductor windings
Xare wound so as to form an integrated magnetics assembly, said power
Xtransformer windings including a primary winding;
X
Xswitching means for controlling the flow of current through said primary
Xwinding, said switching means comprising a first circuit of a first diode
Xin series with a first switch and comprising a second circuit of a second
Xdiode in series with a second switch, said primary winding of said transformer
Xjoining the junction between said first switch and said first diode to the
Xjunction between said second switch and said second diode; and
X
Xoperating means for operating said switching means in a continuous mode of
Xenergy storage under minimum output loading conditions while providing
Xadequate time for removing the magnetization energy of the transformer part
Xof said integrated magnetics assembly, said operating means comprising means
Xfor providing bi-directional path around said first diode.
X
X{\bf 52}.  A converter, comprising:
X
Xa magnetic core having one bobbin means around which power transformer
Xwindings are wound and another bobbin means around which inductor windings
Xare wound so as to form an integrated magnetics assembly, said power
Xtransformer windings including a primary winding;
X
Xswitching means for controlling the flow of current through said primary
Xwinding; and
X
Xoperating means for operating said switching means in a continuous mode of
Xenergy storage under minimum output loading conditions while providing
Xadequate time for removingthe magnetization energy of the transformer part
Xof said integrated magnetics assembly, said operating means comprising a
Xreset winding on said one bobbin means with sufficient turns to shorten the
Xreset time of said transformer windings.
X
X{\bf 53}.  The converter of claim {\bf 52}, wherein said switching means
Xcomprises: a first circuit of a first switch connected to one end of said
Xprimary winding and a second switch connected to the opposite end of said
Xprimary winding; a capacitor in parallel with said first circuit; and a
Xsecond circuit, in parallel with said capacitor, of a first diode in series
Xwith reset winding.
X
X{\bf 54}.  The converter of claim {\bf 53}, further including one inductor
Xwinding with one end adapted to be connected to the converter input and an
Xopposite end joined by a second diode to the junction between said first
Xswitch and said primary winding and joined by a third diode to the other end
Xof said second switch.
X
X{\bf 55}.  A converter having a boost stage in series with a buck stage,
Xcomprising:
X
Xa magnetic core having one bobbin means around which power transformer
Xwindings are wound and another bobbin means around which inductor windings
Xare wound so as to form an integrated magnetics assembly, said magnetic core
Xhaving only two winding windows of unequal area and three legs of unequal
Xcross sectional area with the leg having the largest cross sectional area
Xdefining an air gap, said power transformer windings including a primary
Xwinding, said power transformer windings and said inductor windings being
Xwound relative to each other such that the flux of said inductor windings
Xopposes the direction of flux developed by said power transformer windings;
X
Xswitching means for controlling the flow of current through said primary
Xwinding, said switching means comprising:
X
X(a) a first circuit for joining a node to a circuit ground using a first
Xdiode in series with a first switch,
X
X(b) a second circuit for joining said node to said circuit ground using a
Xsecond diode in series with a second switch, said first diode and said
Xsecond switch being joined to said node and said first switch and said
Xsecond switch having the same duty cycle,
X
X(c) means, using at least part of said inductor windings, for supplying
XDC current to the junction between said first diode and said first switch,
Xand
X
X(d) capacitor means in parallel with said first circuit and said second
Xcircuit, said primary winding of said transformer joining the junction
Xbetween said first switch and said first diode to the junction between said
Xsecond switch and said second diode; and
X
Xoperating means for operating said switching means in a continuous mode of
Xenergy storage under minimum output loading conditions while providing
Xadequate time for removing the magnetization energy of the transformer part
Xof said integrated magnetics assembly, said operating means comprising:
X
X(a) Schottky diode means joined at one of its ends to said node; and
X
X(b) MOSFET means, in series with said Schottky diode means and joined to
Xsaid junction between said first switch and said first diode, for providing
Xa bi-directional path in said first circuit, said MOSFET means being gated
Xwhen said first switch and said second switch are in an OFF condition.
END_OF_claims.tex
if test 42393 -ne `wc -c <claims.tex`; then
    echo shar: \"claims.tex\" unpacked with wrong size!
fi
# end of overwriting check
fi
echo shar: End of shell archive.
exit 0

