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US 2006/0186743 A1Published application
Electrical power tool
AssigneeRobert Bosch GmbH
InventorsWinfried Habel, Frank Fuchs, Andreas Schlegel, Holger Frank
Life of this patent
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Abstract
An electric power tool has a housing having an inlet opening and an outlet opening, a drive motor contained in the housing, an electronic unit for controlling and regulating the drive unit, a fan a main air conduit extending between the inlet opening and the outlet opening of the housing, the drive motor being situated in the main air conduit supplyable with cooling air, and a heat sink operative for indirectly cooling the electronic unit.
Claims10
An electric power tool, comprising a housing having an inlet opening and an outlet opening;
- a drive motor contained in said housing;
- an electronic unit for controlling and regulating said drive unit;
- a fan;
- a main air conduit extending between said inlet opening and said outlet opening of said housing, said drive motor being situated in said main air conduit supplyable with cooling air;
- and a heat sink operative for indirectly cooling said electronic unit.
2 more elements
Dependencies are inferred from the claim text.