Electrical energy conversion by switching of static storage devices

Claim 2

Apparatus for transforming an input voltage from a voltage source to an output voltage across a load comprising: a plurality of electrical storage devices, first transistor switch means connected between said electrical storage devices and adapted to connect them in series through the emitter-collector current conduction paths of said first transistor switch means, forming a series combination of said electrical storage devices, second transistor switch means and first rectifier means adapted to connect said electrical storage devices in parallel through the emitter-collector current conduction paths of said second transistor switch means and the anode-cathode current conduction paths of said first rectifier means, forming a paralleled combination of said electrical storage devices, at least one transistor switch and connections for selectively and alternately coupling the alternately series-paralleled combination of electrical storage devices to said load and said voltage source, and means for rendering said first transistor switch means cyclicly conductive in 180* phase relationship with conduction of said second transistor switch means and synchronously conductive with conduction of said transistor switch in said third means.

Claim 3

The apparatus recited in claim 1 having a common connection between one terminal of said voltage source and one terminal of said load.

Claim 4

The apparatus recited in claim 1 for transforming a DC input voltage of one polarity to a DC output voltage of opposite polarity, with a common connection between one terminal of said voltage source and one terminal of said load, and with at least one transistor switch and connections for selectively and alternately coupling said alternately series-paralleled combination of electrical storage devices to said load and said voltage source in a manner so as to produce said DC output voltage of opposite polarity on the other terminal of said load.

Claim 5

The apparatus recited in claim 3 for transforming a DC input voltage to an AC output voltage, further comprising: second electrical storage, switching, and rectifying means producing said voltage of one polarity, a pair of alternately conducting transistor switches for alternately applying said voltage of one polarity from said second electrical storage means and said voltage of opposite polarity from said first electrical storage devices to said other terminal of said load.

Claim 6

The apparatus recited in claim 1 having a common connection between one terminal of said voltage source and one terminal of said load, wherein said input voltage and said output voltage are full wave DC, further comprising: a second plurality of electrical storage devices, fourth transistor switch means connected between said second electrical storage devices and adapted to connect them in series through the emitter-collector current conduction paths of said fourth transistor switch means, forming a second series combination of electrical storage devices, fifth transistor switch means and second rectifier means adapted to connect said second electrical storage devices in parallel through the emitter-collector current conduction paths of said fiftH transistor switch means and the anode-cathode current conduction paths of said second rectifier means, forming a second paralleled combination of electrical storage devices, at least one further transistor switch and further connections for selectively and alternately coupling the second alternately series-paralleled combination of electrical storage devices to said load and said voltage source, and means for rendering said fourth transistor switch means cyclicly conductive in 180* phase relationship with conduction of said fifth transistor switch means and synchronously conductive with conduction of said further transistor switch, and for rendering said fourth transistor switch means conductive in 180* phase relationship with conduction of said first transistor switch means, thereby providing a full wave DC output voltage on the other terminal of said load.

Claim 7

The apparatus recited in claim 5 for transforming a DC input voltage to a plurality of phase AC output voltages, said further transistor switch and further connections for selectively and alternately coupling said second alternately series-paralleled combination of electrical storage devices to said load and voltage source in a manner so as to produce said DC output voltage of the same polarity as that of said DC input voltage on said other terminal of said load, and wherein said other terminal of said load is a full wave DC voltage buss of the same polarity as said DC input voltage, said apparatus further comprising: third and fourth alternately series-paralleled combinations of electrical storage devices, means for selectively and alternately coupling said third and fourth alternately series-paralleled combinations of electrical storage devices to said voltage source and a second load in a manner so as to produce a second DC output voltage of the opposite polarity as that of said DC input voltage on one terminal of said second load, wherein said one terminal of said second load is a full wave DC voltage buss of the opposite polarity as said DC input voltage, and wherein the other terminal of said second load connects to said common connection, a plurality of eighth transistor switch pair means with each said pair alternately connecting said full wave DC voltage busses of the same and opposite polarities to each of the plurality of phase AC outputs, means for rendering each of said plurality of eighth transistor switch pair means sequentially functional in differing phase relationships, and a common connection between said one terminal of said voltage source and the common terminal of said plurality of phase AC outputs.

Claim 8

The apparatus recited in claim 1 for transforming an AC input voltage from a voltage source to a full wave DC output voltage across a load, a common connection between one terminal of said voltage source and one terminal of said load, said third means including at least one transistor switch and connections selectively and alternately coupling said alternately series-paralleled combination of electrical storage devices to said load and voltage source in a manner so that a first DC output voltage on the other terminal of said load is in 180* phase relationship to conduction from said voltage source into said alternately series-paralleled combination of electrical storage devices, fourth means including at least one transistor switch and connections selectively and alternately coupling a second alternately series-paralleled combination of electrical storage devices to said voltage source and a second load in a manner so that a second DC output voltage on said other terminal of said load, and having the same polarity as said first DC output voltage, is in 180* phase relationship to conduction from said voltage source into said second alternately series-paralleled combination of electrical storage devices, and means for rendering said transistor switch of saiD third means cyclicly conductive in 180* phase relationship with conduction of said transistor switch of said fourth means.

Claim 9

Apparatus recited in claim 7 for transforming an AC input voltage from a voltage source to a different frequency AC output voltage across a load, said third and fourth means including at least one transistor switch in each of said third and fourth means and connections coupling respectively both of said alternately series-paralleled combinations of electrical storage devices to a first load and said voltage source in a manner so that a first full wave DC output voltage applied to one terminal of said first load is positive with respect to said common connection, fifth and sixth means including at least one transistor switch in each of said fifth and sixth means and connections coupling respectively each of third and fourth alternately series-paralleled combinations of electrical storage devices to a second load and said voltage source in a manner so that a second full wave DC output voltage applied to one terminal of said second load is negative with respect to said common connection, positive and negative full wave DC busses, corresponding respectively to said one terminal of said first and second loads, first transistor switch pair means alternately and respectively connecting each of an electrical storage device pair to said positive and negative full wave DC busses at said different frequency of said AC output voltage, second transistor switch pair means alternately connecting each of said electrical storage device pair to said load at said different frequency of said AC output voltage, and means for rendering a first transistor switch of said first transistor switch pair means conductive in 180* phase relationship with conduction of a second transistor switch of said second transistor switch pair means, wherein said first and second transistor switches are connected jointly to one electrical storage device of said electrical storage device pair.

Claim 10

Apparatus for transforming a DC input voltage from a source to a full wave stepped-down DC voltage across a load comprising: a plurality of electrical storage devices, first transistor switch means connected between said storage devices and adapted to connect them in series through the emitter-collector current conduction paths of said first transistor switch means, forming a series combination of said storage devices, second transistor switch means and first rectifier means adapted to connect said storage devices in parallel through the emitter-collector current conduction paths of said second transistor switch means and the anode-cathode current conduction paths of said first rectifier means, forming a paralleled combination of said storage devices, third transistor switch means coupling one terminal of said series combination of said storage devices to one terminal of said source, with the other terminal of said source connected jointly to one terminal of said load and to the other terminal of said series combination of said storage devices which is also one terminal of said paralleled combination of said storage devices, second rectifier means coupling the other terminal of said paralleled combination of said storage devices to the other terminal of said load, and means for rendering said first transistor switch means cyclicly conductive in 180* phase relationship with conduction of said second transistor switch means and synchronously conductive with conduction of said third transistor switch means.

Claim 11

Apparatus for transforming a DC input voltage from a source to a full wave stepped-down DC voltage across a load comprising: a plurality of electrical storage devices, first transistor switch means connected between said storage devices and adapted to connect them in series through the emitter-collector current conduction paths of said first transistor switch means, forming a series combination of said storage devices, second transistor switch means and first rectifier means adapted to connect said storage devices in parallel through the emitter-collector current conduction paths of said second transistor switch means and the anode-cathode current conduction paths of said first rectifier means, forming a paralleled combination of said storage devices, third transistor switch means coupling one terminal of said series combination of said storage devices to one terminal of said source, with the other terminal of said source connected jointly to one terminal of said load and to the other terminal of said series combination of said storage devices which is also one terminal of said paralleled combination of said storage devices, second rectifier means coupling the other terminal of said paralleled combination of said storage devices to the other terminal of said load, and means for rendering said first transistor switch means cyclicly conductive in 180* phase relationship with conduction of said second transistor switch means and synchronously conductive with conduction of said third transistor switch means.

Claim 12

Apparatus for paralleling at least first and second voltage sources to complement each other in the supply of power to a buss supplying at least one load comprising: a common connection between one terminal of said first voltage source and one terminal of said load, first and second electrical storage means, means for connecting said first voltage source To said first electrical storage means, means for connecting said second voltage source to said second electrical storage means, means for coupling said first and second electrical storage means to a common buss to produce a complementary full wave DC voltage thereon, and third electrical storage means, switching means, and rectifying means, said third electrical storage means, said switching means, and said rectifying means being interconnected to convert said complementary full wave DC voltage on said common buss to the required form of voltage supplied to each load.

Claim 13

Apparatus for paralleling at least first and second voltage sources to complement each other in the supply of power to a buss supplying at least one load comprising: a common connection between one terminal of said first voltage source and one terminal of said load, first and second electrical storage means, means for connecting said first voltage source To said first electrical storage means, means for connecting said second voltage source to said second electrical storage means, means for coupling said first and second electrical storage means to a common buss to produce a complementary full wave DC voltage thereon, and third electrical storage means, switching means, and rectifying means, said third electrical storage means, said switching means, and said rectifying means being interconnected to convert said complementary full wave DC voltage on said common buss to the required form of voltage supplied to each load.