Patent US2395832A successfully refreshed from Google Patents.
Patent US6815934B2 successfully refreshed from Google Patents.
US6815934B2
Expired / Lapsed
US
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Induction generator power supply
Assignee: Cogent Insights Licensing Inc
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Filing: 2002-09-26
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Granted: 2004-11-09
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Expires: 2022-09-26
Abstract
Abstract An induction generator power supply comprises a prime mover, an induction generator operably connected to the prime mover and having a generator output, and a phase shift circuit, having a circuit input and a circuit output, the circuit input connected to the generator output. The power supply also comprises an AC to DC converter, having a converter input and a converter output, the converter input connected to the circuit output, and an energy reservoir having a reservoir input connected to the converter output.
Inventors
- 👤 Bruce H. Colley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:33
CPC Classifications
H; H02; H02P; H02P9/00; H02P9/46; H02J; H02J3/00; H02J3/02; H02J3/28; H02J3/32; H02J7/00; H02J7/14; H02J7/1415; H02J7/1438; H02J7/34; H02M; H02M5/00; H02M5/40; H02M5/42; H02M5/44; H02M5/453; H02M5/458; H02M5/4585; H02M7/00; H02M7/02; H02M7/04; H02M7/06; H02J9/00; H02J9/04; H02J9/06; H02J9/08; H02P2101/00; H02P2101/10; H02P2101/15
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
77 words
An induction generator power supply comprising: a prime mover; an induction generator operably connected to the prime mover and having a generator output; a phase shift circuit, having a circuit input and a circuit output, the circuit input connected to the generator output; an AC to DC converter, having a converter input and a converter output, the converter input connected to the circuit output; and an energy reservoir having a reservoir input connected to the converter output.
Claim 2
Dependent Claim
77 words
An induction generator power supply comprising: a prime mover; an induction generator operably connected to the prime mover and having a generator output; a phase shift circuit, having a circuit input and a circuit output, the circuit input connected to the generator output; an AC to DC converter, having a converter input and a converter output, the converter input connected to the circuit output; and an energy reservoir having a reservoir input connected to the converter output.
Claim 3
Dependent Claim
16 words
The power supply according to claim 1 wherein the prime mover comprises an internal combustion engine.
Claim 4
Dependent Claim
16 words
The power supply according to claim 2 wherein the internal combustion engine comprises a diesel engine.
Claim 5
Dependent Claim
17 words
The power supply according to claim 1 wherein the generator comprises first, second and third output lines.
Claim 6
Dependent Claim
82 words
The power supply according to claim 4 wherein the phase shift circuit comprises: first, second and third phase shift lines connected to the first, second and third output lines; first, second and third series capacitors situated along said first, second and third phase shift lines; first, second and third magnetizing current lines connecting the first, second and third output lines to a common junction; and first, second and third magnetizing current capacitors situated along the first, second and third magnetizing current lines.
Claim 7
Dependent Claim
21 words
The power supply according to claim 5 further comprising a magnetization assist circuit selectively electrically coupled to the phase shift circuit.
Claim 8
Dependent Claim
27 words
The power supply according to claim 5 further comprising a magnetization assist circuit connected across a chosen one of said first, second and third magnetizing current capacitors.
Claim 9
Dependent Claim
25 words
The power supply according to claim 7 wherein the magnetization assist circuit comprises a short circuit selectively placeable across one of the magnetizing current capacitors.
Claim 10
Dependent Claim
76 words
The power supply according to claim 4 wherein the phase shift circuit comprises: first, second and third phase shift lines connected to the first, second and third output lines; first, second and third series capacitors situated along said first, second and third phase shift lines; and a delta arrangement of first, second and third magnetizing current capacitors, said delta arrangement comprising first, second and third junctions connected to the first, second and third phase shift lines.
Claim 11
Dependent Claim
20 words
The power supply according to claim 9 further comprising a magnetization assist circuit electrically coupled to the phase shift circuit.
Claim 12
Dependent Claim
25 words
The power supply according to claim 10 wherein the magnetization assist circuit comprises a voltage source selectively placeable across one of the magnetizing current capacitors.
Claim 13
Dependent Claim
22 words
The power supply according to claim 5 further comprising means for selectively temporarily short-circuiting said first magnetizing current capacitor during start up.
Claim 14
Dependent Claim
20 words
The power supply according to claim 1 wherein the AC to DC converter comprises a transformer coupled to a rectifier.
Claim 15
Dependent Claim
24 words
The power supply according to claim 1 wherein the AC to DC converter comprises a rectifier coupled to a DC to DC voltage converter.
Claim 16
Dependent Claim
14 words
The power supply according to claim 1 wherein the energy reservoir comprises a battery.
Claim 17
Dependent Claim
17 words
The power supply according to claim 1 wherein the energy reservoir is coupleable to a DC load.
Claim 18
Dependent Claim
31 words
The power supply according to claim 1 further comprising a DC to AC converter, and wherein the energy reservoir is coupleable to an AC load through the DC to AC converter.
Claim 19
Independent Claim
163 words
A method for enhancing the operation of an electrical power supply comprising: selecting an induction generator power supply comprising: a prime mover having a chosen power rating; an induction motor operably connected to the prime mover so that the induction motor acts as an induction generator, said induction motor comprising a generator output, a first power rating at a rated speed and a second power rating at an overspeed, said second power rating being substantially equal to the chosen power rating, said overspeed being at least about 25% greater than the rated speed; a phase shift circuit, having a circuit input and a circuit output, the circuit input connected to the generator output; an AC to DC converter, having a converter input and a converter output, the converter input connected to the circuit output; and an energy reservoir having a reservoir input connected to the converter output; driving the induction generator with the prime mover; and operating the induction generator at said overspeed.
Claim 20
Independent Claim
163 words
A method for enhancing the operation of an electrical power supply comprising: selecting an induction generator power supply comprising: a prime mover having a chosen power rating; an induction motor operably connected to the prime mover so that the induction motor acts as an induction generator, said induction motor comprising a generator output, a first power rating at a rated speed and a second power rating at an overspeed, said second power rating being substantially equal to the chosen power rating, said overspeed being at least about 25% greater than the rated speed; a phase shift circuit, having a circuit input and a circuit output, the circuit input connected to the generator output; an AC to DC converter, having a converter input and a converter output, the converter input connected to the circuit output; and an energy reservoir having a reservoir input connected to the converter output; driving the induction generator with the prime mover; and operating the induction generator at said overspeed.
Claim 21
Dependent Claim
27 words
The method according to claim 18 wherein said selecting step is carried out so that the overspeed is at least about 50% greater than the rated speed.
Claim 22
Dependent Claim
27 words
The method according to claim 18 wherein said selecting step is carried out so that the overspeed is at least about 75% greater than the rated speed.
Claim 23
Dependent Claim
27 words
The method according to claim 18 wherein said selecting step is carried out so that the overspeed is about 25 to 300% greater than the rated speed.
Claim 24
Dependent Claim
27 words
The method according to claim 18 wherein said selecting step is carried out so that the overspeed is about 50 to 100% greater than the rated speed.
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 2007-11-09 | 2008-05-10 | 2008-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2011-11-09 | 2012-05-10 | 2012-11-09 | $3760.00 | Window Closed / Lapsed |
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