CENTRALIZED MULTI-ZONE COOLING FOR INCREASED BATTERY EFFICIENCY
First Claim
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1. A system for managing battery temperature, comprising:
- a cooling subsystem including a fluid;
a cabin circulation subsystem coupled to the cooling subsystem to utilize the fluid for cabin cooling;
a battery circulation subsystem coupled to the cooling subsystem to utilize the fluid for battery cooling; and
a control to regulate movement of the fluid to at least one of the cabin circulation subsystem and the battery circulation subsystem.
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Abstract
A system for managing battery temperature is described. The system may include a cooling system which may include a fluid. A cabin circulation subsystem may be coupled to the cooling subsystem and may utilize the fluid for cabin cooling. A separate battery circulation subsystem may also may also be coupled to the cooling subsystem so that it may additionally utilize the fluid for battery cooling. A control may be present in order to regulate movement of the fluid to the cabin circulation subsystem and/or to the battery circulation subsystem.
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Citations
22 Claims
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1. A system for managing battery temperature, comprising:
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a cooling subsystem including a fluid; a cabin circulation subsystem coupled to the cooling subsystem to utilize the fluid for cabin cooling; a battery circulation subsystem coupled to the cooling subsystem to utilize the fluid for battery cooling; and a control to regulate movement of the fluid to at least one of the cabin circulation subsystem and the battery circulation subsystem. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for cooling a battery, comprising:
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estimating the remaining operational time before depletion for the battery; allowing the battery temperature to rise; and requesting cooling for the battery to control the battery temperature rise to assure the battery is below a maximum allowable operating temperature threshold when it reaches depletion. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A system for cooling a battery, comprising:
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a cooling subsystem to provide cooling to at least two zones, one of the zones including the battery; a processor to estimate the remaining operational time before depletion for the battery; and a valve to regulate cooling of the zone including the battery, the valve controlled by the processor to cool the zone including the battery to maintain the battery is below a threshold temperature until the battery reaches depletion. - View Dependent Claims (16, 17, 18, 19, 20)
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21. A method for cooling a battery, comprising:
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estimating the remaining operational time before depletion for the battery; allowing the battery temperature to rise; estimating the time before the battery temperature will rise above a threshold; and requesting cooling for the battery if the time before the battery temperature will exceed the threshold is less than the remaining operational time before depletion of the battery. - View Dependent Claims (22)
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Specification