THERMAL MANAGEMENT SYSTEMS FOR BATTERY PACKS
First Claim
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1. A battery pack comprising:
- a housing;
at least one battery cell within said housing;
an electronic circuit connected to said at least one battery cell and including an electronic control unit;
a temperature sensor for sensing a temperature within said housing and in communication with said electronic circuit;
wherein said electronic control unit disables said electronic circuit when a sensed temperature exceeds a predetermined temperature.
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Abstract
A cordless power tool has a housing which includes a mechanism to couple with a removable battery pack. The battery pack includes one or more battery cells as well as a system to dissipate heat from the battery pack.
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Citations
18 Claims
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1. A battery pack comprising:
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a housing;
at least one battery cell within said housing;
an electronic circuit connected to said at least one battery cell and including an electronic control unit;
a temperature sensor for sensing a temperature within said housing and in communication with said electronic circuit;
wherein said electronic control unit disables said electronic circuit when a sensed temperature exceeds a predetermined temperature. - View Dependent Claims (2, 3)
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4. A battery pack, comprising:
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a housing;
a plurality of battery cells disposed in said housing; and
phase-change material disposed in said housing in heat transfer relationship with said plurality of battery cells. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12)
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13. A cordless power tool, comprising:
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a plastic tool housing;
a motor attached to said tool housing;
a battery pack including a metal pack housing connectable to said plastic tool housing and at least one battery cell disposed in said pack housing. - View Dependent Claims (14, 15, 16)
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17. A battery pack, comprising:
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a housing;
at least one battery cell disposed in said housing;
a circuit disposed in said housing;
a temperature sensor in said housing and in communication with said circuit; and
a temperature gauge mounted to said housing and in communication with said circuit, said temperature gauge providing an indication of a temperature level detected by said temperature sensor. - View Dependent Claims (18)
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Specification