Patent US3600598A successfully refreshed from Google Patents.
US3600598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power supply system
Assignee: Bunker Ramo Corp
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Filing: 1969-08-11
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Granted: 1971-08-17
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Expires: 1989-08-11
Abstract
Abstract An electrical power supply system for efficiently supplying power at multiple voltage levels to various loads. The system includes transformer means intercoupling a plurality of different voltage levels so as to automatically translate or redistribute power as load conditions change. For example, as load current directions change, power is translated with minimum loss from levels acting as a current sink to levels requiring a current source.
Inventors
- 👤 Roy P Foerster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:20
CPC Classifications
H; H02; H02J; H02J3/00; H02J3/36; Y; Y02; Y02E; Y02E60/00; Y02E60/60
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
333 words
A power supply system for supplying DC power at different voltage levels to multiple supply busses for application to independently operated loads connected between various busses and wherein at least somE of said busses can at various times act either as a current sink or a current source, said system comprising: a transformer having first and second terminals and at least two tap pairs each comprised of spaced first and second taps; a main power supply module capable of providing DC power at a first potential level; second and third power supply modules respectively capable of providing DC power at second and third potential levels each different from said first level; a first switching means for selectively defining first and second states respectively coupling said main power supply across said first and second terminals in first and second polarity directions; a second switching means including first and second bidirectional current conducting switches respectively connected between first and second taps of one of said tap pairs and a common second switching means output terminal; means for connecting said second power supply module to said second switching means output terminal; a third switching means including first and second bidirectional current conducting switches respectively connected between first and second taps of a second of said tap pairs and a common third switching means output terminal; means for connecting said third power supply module to said third switching means output terminal; said tap pairs being located in accordance with the potential levels of the power supply modules to which they are to be connected; and means for alternately switching said first switching means between said first and second states and for synchronously closing said second and third switching means first switches coincident with said first state and said second and third switching means second switches coincident with said second state so as to convert the AC signals produced at said tap terminals into DC levels appropriate for said second and third power supply modules respectively connected thereto.
Claim 2
Dependent Claim
333 words
A power supply system for supplying DC power at different voltage levels to multiple supply busses for application to independently operated loads connected between various busses and wherein at least somE of said busses can at various times act either as a current sink or a current source, said system comprising: a transformer having first and second terminals and at least two tap pairs each comprised of spaced first and second taps; a main power supply module capable of providing DC power at a first potential level; second and third power supply modules respectively capable of providing DC power at second and third potential levels each different from said first level; a first switching means for selectively defining first and second states respectively coupling said main power supply across said first and second terminals in first and second polarity directions; a second switching means including first and second bidirectional current conducting switches respectively connected between first and second taps of one of said tap pairs and a common second switching means output terminal; means for connecting said second power supply module to said second switching means output terminal; a third switching means including first and second bidirectional current conducting switches respectively connected between first and second taps of a second of said tap pairs and a common third switching means output terminal; means for connecting said third power supply module to said third switching means output terminal; said tap pairs being located in accordance with the potential levels of the power supply modules to which they are to be connected; and means for alternately switching said first switching means between said first and second states and for synchronously closing said second and third switching means first switches coincident with said first state and said second and third switching means second switches coincident with said second state so as to convert the AC signals produced at said tap terminals into DC levels appropriate for said second and third power supply modules respectively connected thereto.
Claim 3
Dependent Claim
12 words
The system of claim 1 wherein said transformer means comprises an autotransformer.
Claim 4
Dependent Claim
77 words
The system of claim 1 wherein each of said second switching means current conducting switches comprises a semiconductor having a control terminal and first and second current conducting terminals; and means connecting said first current conducting terminals of said second switching means current conducting switches to said first and second taps of said one tap pair and said second current conducting terminals of said second switching means current conducting switches to said second switching means output terminal.
Claim 5
Dependent Claim
26 words
The system of claim 3 including oscillator means; and means coupling said oscillator means to said control terminals of said second switching means current conducting switches.
Claim 6
Dependent Claim
228 words
In an electronic system including a plurality of power supply modules each providing DC power at a different voltage level to a plurality of load devices each connected between a pair of voltage levels, a power distribution system for distributing power from a level which would otherwise act as a current sink to a level acting as current source, said distribution system including: a transformer means including a pair of terminals and a plurality of pairs of taps located in accordance with the signal levels to be provided thereat; a first switching means coupling one of said power supply modules across said pair of terminals; a plurality of additional switching means each coupling a different one of said power supply modules across a different pair of said taps, said pairs of taps being located in accordance with the potential levels of the power supply modules to which they are to be connected; each of said switching means including first and second bidirectional current conducting switches, each connected between a power supply module and different taps or terminals of a common pair; and means for alternately switching said first and second current conducting switches of all of said switching means in syncHronism so as to convert the AC signals produced at said tap terminals into DC levels appropriate for said second and third power supply modules respectively connected thereto.
Claim 7
Dependent Claim
228 words
In an electronic system including a plurality of power supply modules each providing DC power at a different voltage level to a plurality of load devices each connected between a pair of voltage levels, a power distribution system for distributing power from a level which would otherwise act as a current sink to a level acting as current source, said distribution system including: a transformer means including a pair of terminals and a plurality of pairs of taps located in accordance with the signal levels to be provided thereat; a first switching means coupling one of said power supply modules across said pair of terminals; a plurality of additional switching means each coupling a different one of said power supply modules across a different pair of said taps, said pairs of taps being located in accordance with the potential levels of the power supply modules to which they are to be connected; each of said switching means including first and second bidirectional current conducting switches, each connected between a power supply module and different taps or terminals of a common pair; and means for alternately switching said first and second current conducting switches of all of said switching means in syncHronism so as to convert the AC signals produced at said tap terminals into DC levels appropriate for said second and third power supply modules respectively connected thereto.
Claim 8
Dependent Claim
60 words
The system of claim 5 wherein each of said bidirectional current conducting switches comprises a semiconductor having a control terminal and first and second current conducting terminals; and means connecting the first current conducting terminals in each switching means in common and the second current conducting terminals in each switching means to different taps or terminals of a common pair.
Claim 9
Dependent Claim
24 words
The system of claim 6 including oscillator means; and means coupling said oscillator means to the control terminals of all of said switching means.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |