US5332630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
On-board recharging system for battery powered electric vehicles
Assignee: Individual
•
Filing: 1991-11-04
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Granted: 1994-07-26
•
Expires: 2011-11-04
Abstract
Abstract A power supply system for powering an electric motor in an electric vehicle includes a rechargeable battery connected to the motor for driving the motor and a fuel cell assembly connected to the battery for recharging the battery. The system further includes structure for providing a supply of fuel to the fuel cell assembly which in turn converts the fuel to electricity.
Inventors
- 👤 Michael S. Hsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:45
CPC Classifications
H; H01; H01M; H01M16/00; H01M16/003; H01M16/006; B; B60; B60L; B60L58/00; B60L58/30; B60L58/31; B60L58/32; B60L58/33; B60L58/34; B60L58/40; H01M10/00; H01M10/36; H01M10/39; H01M10/42; H01M10/44; H01M8/00; H01M8/04; H01M8/04007; H01M8/04067; H01M8/04074; H01M8/04298; H01M8/04313; H01M8/0432; H01M8/04365; H01M8/04694; H01M8/04701; H01M8/04731; H01M8/04746; H01M8/04768; H01M8/24; H01M8/241; H01M8/2425; H01M8/2432; H01M8/244; H01M8/2465; H01M8/2483; H01M8/10; H01M8/12; H01M2008/1293; H01M2250/00; H01M2250/20; H01M2300/00; H01M2300/0017; H01M2300/0065; H01M2300/0068; H01M2300/0071; H01M2300/0074; H01M8/04858; H01M8/04865; H01M8/04888; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02E60/30; Y02E60/50; Y02T; Y02T10/00; Y02T10/60; Y02T10/70; Y02T90/00; Y02T90/40
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
88 words
A system for recharging a battery, the system comprising a rechargeable battery, a fuel cell system connected to the battery and adapted for providing power to continuously recharge the battery corresponding to a varying load placed on said battery, means for controlling the temperature of said fuel cell system independently of the power output of said fuel cell system, and means for providing a supply of fuel and oxidizer to said fuel cell system, said fuel cell system being adapted for the conversion of said fuel to electricity.
Claim 2
Independent Claim
88 words
A system for recharging a battery, the system comprising a rechargeable battery, a fuel cell system connected to the battery and adapted for providing power to continuously recharge the battery corresponding to a varying load placed on said battery, means for controlling the temperature of said fuel cell system independently of the power output of said fuel cell system, and means for providing a supply of fuel and oxidizer to said fuel cell system, said fuel cell system being adapted for the conversion of said fuel to electricity.
Claim 3
Dependent Claim
22 words
A system as set forth in claim 1, further comprising a voltage regulator for regulating the power supply to said rechargeable battery.
Claim 4
Dependent Claim
24 words
A system as set forth in claim 1, wherein said battery further comprises electrical leads to power an electric motor in an electric vehicle.
Claim 5
Dependent Claim
24 words
A system as set forth in claim 3, wherein said fuel cell system is adapted for selectively providing power directly to said electric motor.
Claim 6
Dependent Claim
31 words
A system as set forth in claim 1, wherein said fuel cell system comprises a stack of solid oxide fuel cells of operating temperature ranging from room temperature to 2000° C.
Claim 7
Dependent Claim
41 words
A system as set forth in claim 1, wherein said fuel cell system comprises a stack of fuel cells selected from the group consisting of molten carbonate fuel cells, phosphoric acid fuel-cells, alkaline fuel cells, and proton electrolyte membrane fuel cells.
Claim 8
Dependent Claim
25 words
A system as set forth in claim 1, wherein the battery is a high temperature battery operating in the range between 50 and 500° C.
Claim 9
Dependent Claim
110 words
A fuel cell assembly for converting fuel to electricity in response to a varying load, the assembly comprising at least one fuel cell head comprising a cooling jacket defining a fuel cell chamber, a fuel cell stack arranged within said fuel cell chamber, and a thermal control cylinder movable within said fuel cell chamber between a deployed position wherein said cylinder presents a high thermal resistance to said fuel cell stack and a stowed position wherein said cylinder presents a low thermal resistance to said fuel cell stack, means for positioning said thermal control cylinder, and means for delivering a mixture of fuel and air to said fuel cell stack.
Claim 10
Dependent Claim
110 words
A fuel cell assembly for converting fuel to electricity in response to a varying load, the assembly comprising at least one fuel cell head comprising a cooling jacket defining a fuel cell chamber, a fuel cell stack arranged within said fuel cell chamber, and a thermal control cylinder movable within said fuel cell chamber between a deployed position wherein said cylinder presents a high thermal resistance to said fuel cell stack and a stowed position wherein said cylinder presents a low thermal resistance to said fuel cell stack, means for positioning said thermal control cylinder, and means for delivering a mixture of fuel and air to said fuel cell stack.
Claim 11
Dependent Claim
27 words
An assembly as set forth in claim 8, wherein said cooling jacket further defines a start-up preheating port for delivering heated gas to said fuel cell chamber.
Claim 12
Dependent Claim
26 words
An assembly as set forth in claim 8, further comprising a battery, wherein said at least one fuel cell head produces electricity for recharging the battery.
Claim 13
Dependent Claim
25 words
An assembly as set forth in claim 10, wherein said battery further comprises electrical leads for connection to an electric motor in an electric vehicle.
Claim 14
Dependent Claim
25 words
A system as set forth in claim 8, wherein said fuel cell assembly further comprises means for selectively providing power directly to an electric motor.
Claim 15
Dependent Claim
111 words
A power supply system for powering an electric motor in an electric vehicle, the system comprising a rechargeable battery having an electrical power storage capacity and electrical leads for connection to a motor to deliver electrical power to the motor, a fuel cell system connected to said battery for continuously supplying power to recharge said battery at a rate which is related to the energy drain of said battery, said fuel cell system adapted for selectively providing power off-board of the vehicle, and means for providing a supply of fuel and oxidizer to said fuel cell system, said fuel cell system being adapted for the conversion of said fuel to electricity.
Claim 16
Dependent Claim
111 words
A power supply system for powering an electric motor in an electric vehicle, the system comprising a rechargeable battery having an electrical power storage capacity and electrical leads for connection to a motor to deliver electrical power to the motor, a fuel cell system connected to said battery for continuously supplying power to recharge said battery at a rate which is related to the energy drain of said battery, said fuel cell system adapted for selectively providing power off-board of the vehicle, and means for providing a supply of fuel and oxidizer to said fuel cell system, said fuel cell system being adapted for the conversion of said fuel to electricity.
Claim 17
Dependent Claim
138 words
A fuel cell assembly for converting fuel to electricity in response to a varying load, the assembly comprising at least one fuel cell assembly comprising an interdigitated array of columnar fuel cell elements and columnar cooling elements, and a fuel cell stack disposed within each of said fuel cell elements, means for variably establishing a flow of heat transfer fluid through said cooling elements for presenting a variable thermal resistance to said fuel cell elements, and means for delivering a supply of fuel and air to said fuel cell elements, wherein said cooling elements are adapted for accommodating flow of both cooling fluid and heating fluid so as to enable said cooling elements to selectively remove heat from said fuel cell elements depending upon the load or provide heat to said fuel cell elements depending upon the load.
Claim 18
Dependent Claim
138 words
A fuel cell assembly for converting fuel to electricity in response to a varying load, the assembly comprising at least one fuel cell assembly comprising an interdigitated array of columnar fuel cell elements and columnar cooling elements, and a fuel cell stack disposed within each of said fuel cell elements, means for variably establishing a flow of heat transfer fluid through said cooling elements for presenting a variable thermal resistance to said fuel cell elements, and means for delivering a supply of fuel and air to said fuel cell elements, wherein said cooling elements are adapted for accommodating flow of both cooling fluid and heating fluid so as to enable said cooling elements to selectively remove heat from said fuel cell elements depending upon the load or provide heat to said fuel cell elements depending upon the load.
Claim 19
Dependent Claim
107 words
A fuel cell assembly for converting fuel to electricity in response to a varying load, the assembly comprising at least one fuel cell assembly comprising an interdigitated array of columnar fuel cell elements and columnar cooling elements, and a fuel cell stack disposed within each of said fuel cell elements, means for variably establishing a flow of heat transfer fluid through said cooling elements for presenting a variable thermal resistance to said fuel cell elements, means for delivering a supply of fuel and air to said fuel cell elements, and a battery element, wherein said at least one fuel cell head produces electricity for recharging said battery.
Claim 20
Dependent Claim
107 words
A fuel cell assembly for converting fuel to electricity in response to a varying load, the assembly comprising at least one fuel cell assembly comprising an interdigitated array of columnar fuel cell elements and columnar cooling elements, and a fuel cell stack disposed within each of said fuel cell elements, means for variably establishing a flow of heat transfer fluid through said cooling elements for presenting a variable thermal resistance to said fuel cell elements, means for delivering a supply of fuel and air to said fuel cell elements, and a battery element, wherein said at least one fuel cell head produces electricity for recharging said battery.
Claim 21
Dependent Claim
22 words
An assembly as set forth in claim 15, wherein said battery is utilized for powering an electric motor in an electric vehicle.
Claim 22
Dependent Claim
24 words
A system as set forth in claim 16, wherein said fuel cell system is adapted for selectively providing power directly to said electric motor.
References Cited (Backward Citations)
US3321334A
Cited
US3441444A
Cited
US3443115A
Cited
US3595699A
Cited
US3677823A
Cited
US3971454A
Cited
US3843410A
Cited
US4081693A
Cited
US4277737A
Cited
US4614628A
Cited
GB2132108A
Cited
JPS59136006A
Cited
US4931947A
Cited
US4962462A
Cited
US4961151A
Cited
US4629537A
Cited
US4853100A
Cited
US4721556A
Cited
JPS632263A
Cited
JPS63143756A
Cited
US4713303A
Cited
JPH01166470A
Cited
US4988283A
Cited
EP0334474A2
Cited
JPH01320773A
Cited
DE4001684A1
Cited
DE4116899A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-07-25 | 1998-01-24 | 1998-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-07-25 | 2002-01-24 | 2002-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-07-25 | 2006-01-24 | 2006-07-26 | $7700.00 | Window Closed / Lapsed |