Patent US4007315A successfully refreshed from Google Patents.
US4007315A
Expired / Lapsed
US
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Battery cell cooling system
Assignee: VARTA Batterie AG
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Filing: 1975-03-12
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Granted: 1977-02-08
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Expires: 1995-03-12
Abstract
Abstract Multi-cell battery cooling is accomplished by cooling elements immersed in the cell-top electrolyte. The elements have high heat conductivity and electric resistance. The cooling medium has low electric resistance. Various configurations of circulatory flow paths provide various utilizations for the medium beyond that of cooling the cells.
Inventors
- 👤 Jurgen Brinkmann
- 👤 Hermann Franke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:06
CPC Classifications
B; B60; B60K; B60K1/00; B60K1/04; B60H; B60H1/00; B60H1/00271; B60H1/00278; B60L; B60L3/00; B60L3/0023; B60L3/0046; B60L50/00; B60L50/50; B60L50/60; B60L50/64; B60L53/00; B60L53/80; B60L58/00; B60L58/10; B60L58/12; B60L58/14; B60L58/24; B60L58/26; H; H01; H01M; H01M10/00; H01M10/60; H01M10/61; H01M10/613; H01M10/62; H01M10/625; H01M10/65; H01M10/653; H01M10/654; H01M10/655; H01M10/6556; H01M10/656; H01M10/6567; H01M10/6568; B60H2001/00307; H01M10/617; H01M10/6551; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02T; Y02T10/00; Y02T10/60; Y02T10/70; Y02T10/7072
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
203 words
A system for dissipating the heat developed in the cells of a multicell storage battery, comprising: cooling elements immersed in the electrolyte in the tops of said battery cells; said cooling elements being formed of material having high heat conductivity and electric resistance, and said medium having low electric resistance, whereby said cooling medium is caused to circulate through said elements is substantially potential-free manner, and said cooling elements being connected between manifolds in groupings: means for causing a cooling medium to circulate through said cooling elements, said circulation of cooling medium being produced by a pump causing passage of said medium via said manifolds through said elements; heat exchanger means connected between said manifolds and equipped with a blower for forced air cooling; a bypass conduit for said heat exchanger also connected between said manifolds; a two-way valve for causing said medium to flow alternatively through said heat exchanger means and said bypass conduit; heat sensing means located in individual cells for separately controlling saidpump, said two-way valve and said forced air cooling blower; and compressor means connected to one side, and expansion means connected to the other side of said heat exchanger means, said pump being positioned in said bypass conduit.
Claim 2
Independent Claim
203 words
A system for dissipating the heat developed in the cells of a multicell storage battery, comprising: cooling elements immersed in the electrolyte in the tops of said battery cells; said cooling elements being formed of material having high heat conductivity and electric resistance, and said medium having low electric resistance, whereby said cooling medium is caused to circulate through said elements is substantially potential-free manner, and said cooling elements being connected between manifolds in groupings: means for causing a cooling medium to circulate through said cooling elements, said circulation of cooling medium being produced by a pump causing passage of said medium via said manifolds through said elements; heat exchanger means connected between said manifolds and equipped with a blower for forced air cooling; a bypass conduit for said heat exchanger also connected between said manifolds; a two-way valve for causing said medium to flow alternatively through said heat exchanger means and said bypass conduit; heat sensing means located in individual cells for separately controlling saidpump, said two-way valve and said forced air cooling blower; and compressor means connected to one side, and expansion means connected to the other side of said heat exchanger means, said pump being positioned in said bypass conduit.
Claim 3
Dependent Claim
22 words
The system of claim 1 further comprising heating means for said bypass conduit, and switching means for selectively actuating said heating means.
Claim 4
Dependent Claim
24 words
The system of claim 1, further comprising second heat exchanger means, and heat storage means, each connected in parallel across said pump-containing bypass conduit.
Claim 5
Dependent Claim
45 words
The system of claim 3, wherein said firstmentioned exchanger means is located in the passenger compartment of a vehicle propelled by said battery, said second heat exchanger is mounted on the outside of said vehicle, and said heat storage means is mounted on the vehicle.
Claim 6
Dependent Claim
19 words
The system of claim 3, wherein said storage means is provided with heating means independent of said cooling medium.
Claim 7
Dependent Claim
20 words
The system of claim 3 further divided into two circulating subsystems coupled together for heat transfer by heat exchanger means.
Claim 8
Dependent Claim
35 words
The system of claim 6, wherein the components of one said subsystem are mounted on the battery and the components of the other subsystem are mounted on a vehicle to be propelled by the battery.
Claim 9
Dependent Claim
25 words
The system of claim 7, wherein the subsystem mounted on the battery is provided with plug-in connectors for coupling to external cooling medium supply means.
Claim 10
Dependent Claim
26 words
The system of claim 8, wherein said subsystem mounted on the battery is separable from the subsystem mounted on the vehicle by means of said connectors.
Claim 11
Dependent Claim
12 words
The system of claim 9, wherein said connectors are self-sealing upon separation.
Claim 12
Independent Claim
15 words
The system of claim, 1, wherein said battery is thermally insulated from the ambient. j
Claim 13
Dependent Claim
22 words
The system of claim 5, comprising valve and conduit means for producing various configurations of cooling medium flow paths through said system.
Claim 14
Dependent Claim
22 words
The system of claim 7, comprising valve and conduit means for producing various configurations of cooling medium flow paths through said system.
Claim 15
Independent Claim
162 words
A system for dissipating the heat developed in the cells of a multicell storage battery, comprising: cooling elements immersed in the electrolyte in the tops of said battery cells; said cooling elements being formed of material having high heat conductivity and electric resistance, and said medium having low electric resistance, whereby said cooling medium is caused to circulate through said elements in substantially potential-free manner, and said cooling elements being connected between manifolds in groupings; means for causing a cooling medium to circulate through said cooling elements, said circulation of cooling medium being produced by a pump causing passage of said medium via said manifolds through said elements; heat exchanger means connected between said manifolds and equipped with a blower for forced air cooling; heat sensing means located in individual cells for separately controlling said pump and said forced air cooling blower; and compressor means connected to one side, and expansion means connected to the other side of said heat exhanger means.
Claim 16
Independent Claim
162 words
A system for dissipating the heat developed in the cells of a multicell storage battery, comprising: cooling elements immersed in the electrolyte in the tops of said battery cells; said cooling elements being formed of material having high heat conductivity and electric resistance, and said medium having low electric resistance, whereby said cooling medium is caused to circulate through said elements in substantially potential-free manner, and said cooling elements being connected between manifolds in groupings; means for causing a cooling medium to circulate through said cooling elements, said circulation of cooling medium being produced by a pump causing passage of said medium via said manifolds through said elements; heat exchanger means connected between said manifolds and equipped with a blower for forced air cooling; heat sensing means located in individual cells for separately controlling said pump and said forced air cooling blower; and compressor means connected to one side, and expansion means connected to the other side of said heat exhanger means.
Claim 17
Dependent Claim
13 words
The system of claim 14, wherein the elements are connected in series groupings.
Claim 18
Dependent Claim
13 words
The system of claim 14, wherein the elements are connected in parallel groupings.
Claim 19
Dependent Claim
13 words
The system of claim 14, wherein the elements are connected in series-parallel groupings.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-02-08 | 1980-08-09 | 1981-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-08 | 1984-08-09 | 1985-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-08 | 1988-08-09 | 1989-02-08 | $7700.00 | Window Closed / Lapsed |