DC to DC transmission system
First Claim
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1. A DC to DC transmission system comprising:
- a DC voltage source having a first voltage side and a second voltage side;
a DC voltage sink having a first voltage side and a second voltage side;
at least three conductors interconnecting the DC voltage source and the DC voltage sink, each of said conductors having a proximal end and a distal end;
a first switch set comprising one respective switch for each one of the at least three conductors, each respective switch of said first switch set interposed between the DC voltage source and the proximal end of a respective one of the at least three conductors, each respective switch of said first switch set adapted to alternately couple the proximal end of a respective one of the at least three conductors to the DC voltage source first voltage side and to the DC voltage source second voltage side;
a second switch set comprising one respective switch for each one of the at least three conductors, each respective switch of said second switch set interposed between the distal end of a respective conductor and the DC voltage sink, each respective switch of said second switch set adapted to alternately couple the distal end of a respective one of said conductors to the DC voltage sink first voltage side and to the DC voltage sink second voltage side;
a second switch set controller adapted to sequentially switch said second switch set switches in a manner such that simultaneously at least one of said conductors is coupled to the DC voltage source first voltage side and the DC voltage sink first voltage side and at least another one of said conductors is coupled to the DC voltage source second voltage side and the DC voltage sink second voltage side.
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Abstract
A DC to DC transmission system includes at least three conductors between a source and a sink, a first switch which alternately connects each conductor to the source, a second switch which alternately connects each conductor to the sink. The switches are synchronized such that one conductor is alternately coupled between the same polarity side of the source and sink and another conductor is alternately coupled between the other polarity side of the source and sink. The alternating connection between the conductors and source and sink may be undertaken at a wide range of frequencies.
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Citations
38 Claims
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1. A DC to DC transmission system comprising:
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a DC voltage source having a first voltage side and a second voltage side; a DC voltage sink having a first voltage side and a second voltage side; at least three conductors interconnecting the DC voltage source and the DC voltage sink, each of said conductors having a proximal end and a distal end; a first switch set comprising one respective switch for each one of the at least three conductors, each respective switch of said first switch set interposed between the DC voltage source and the proximal end of a respective one of the at least three conductors, each respective switch of said first switch set adapted to alternately couple the proximal end of a respective one of the at least three conductors to the DC voltage source first voltage side and to the DC voltage source second voltage side; a second switch set comprising one respective switch for each one of the at least three conductors, each respective switch of said second switch set interposed between the distal end of a respective conductor and the DC voltage sink, each respective switch of said second switch set adapted to alternately couple the distal end of a respective one of said conductors to the DC voltage sink first voltage side and to the DC voltage sink second voltage side; a second switch set controller adapted to sequentially switch said second switch set switches in a manner such that simultaneously at least one of said conductors is coupled to the DC voltage source first voltage side and the DC voltage sink first voltage side and at least another one of said conductors is coupled to the DC voltage source second voltage side and the DC voltage sink second voltage side. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. The system of claim , further comprising isolation capacitors connected in series circuit arrangement between each one of said respective switches of the first switch set and each one of said respective conductors.
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19. A DC to DC transmission system comprising:
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DC voltage source means for providing a source of DC voltage; DC voltage sink means for providing a load to the DC voltage source means; conductor means having a plurality of electrical conductors for interconnecting the DC voltage source means to the DC voltage sink means; first switch means disposed between the DC voltage source means and the conductor means for sequentially coupling each one of said plurality of conductors to the DC voltage source means in a predetermined sequence and at a predetermined rate; and second switch means disposed between the conductor means and the DC sink means for alternately coupling each one of the conductors of said plurality of conductors to the DC voltage sink means in a predetermined sequence and at a predetermined rate. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. A method of transferring electrical energy from a DC source to a DC sink comprising the steps of:
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providing a DC source; providing a DC sink; providing a plurality of conductors capable of interconnecting the DC source to the DC sink; alternately coupling each one of the plurality of conductors to the DC source in a predetermined sequence and at a predetermined rate; and alternately coupling each one of the plurality of conductors to the DC sink in a manner such that at least one of said conductors is simultaneously coupled to the DC source and the DC sink and at least another one of said conductors is simultaneously coupled to the DC source and the DC sink. - View Dependent Claims (31, 32, 33, 34)
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35. An implantable power transmission system, comprising:
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a power transmission line comprising a plurality of electrical conductors having a near end and a far end; a power source coupled to the near end of the conductors; a load coupled to the far end of the conductors and adapted to receive power from the power source; a first switch disposed between the power source and the near end of the conductors, the first switch adapted for periodically coupling and decoupling the power source to and from selected ones of the conductors of the transmission line; and a second switch disposed between the load and the far end of the conductors and adapted for periodically coupling and decoupling selected ones of the conductors to and from the load, the coupling and decoupling of the load being synchronized with the coupling and decoupling of the power source to and from the transmission line such that at least two conductors are simultaneously coupled between the power source and the load. - View Dependent Claims (36, 37, 38)
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Specification