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US 7,014,945 B2Granted
Battery cooling system
AssigneeBlack & Decker Inc.
InventorsRobert G. Moores, Jr., Rouse R. Bailey, Jr., Robert Bradus, John R. Cochran, Lee W. Ramstrom, Fred S. Watts, Paul S. White, Daniele C. Brotto, Janet M. Embrey
Life of this patent
Estimating the term…
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 vent system in the battery pack housing which enables fluid to move through the housing. A mechanism is associated with the battery pack to dissipate heat from the battery pack.
Claims11
A power tool system comprising:
- a power tool;
- a battery pack to be inserted in an electrical appliance by movement along a first direction comprising a pack housing having top, bottom and side walls, a terminal tower disposed on the top wall, an air inlet disposed on at least one of the terminal tower and the top wall, and a pack air outlet for allowing air to exit from the pack housing, a plenum disposed within the pack housing and connected to the air inlet, the plenum having at least one hole for allowing air to move therethrough, a first cell disposed within the pack housing and against the plenum, a filter disposed within the pack housing, and an insulation plate disposed between the filter and the first cell;
- and
- a charger electrically connectable to the battery pack for charging the battery pack.
1 more element
Dependencies are inferred from the claim text.