Hand power tool
First Claim
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1. A hand power tool, comprising:
- a housing;
a drive unit in the housing configured to drive an output shaft to move;
an electronic unit in the housing configured to control the drive unit; and
an after-run cooling unit in the housing including a cooling element and a further drive unit, the cooling element being configured to be driven by the further drive unit to cool one or more of the drive unit and the electronic unit,wherein the further drive unit is configured to receive power for driving the cooling element after the drive unit has been deactivated and movement of the output shaft has ceased.
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Accused Products
Abstract
A hand power tool, in particular an angle grinder, includes a drive unit and an electronic unit. The hand power tool further includes an after-run cooling unit configured, at least partially, to cool the drive unit and/or the electronic unit substantially after an operating state of at least the drive unit.
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Citations
14 Claims
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1. A hand power tool, comprising:
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a housing; a drive unit in the housing configured to drive an output shaft to move; an electronic unit in the housing configured to control the drive unit; and an after-run cooling unit in the housing including a cooling element and a further drive unit, the cooling element being configured to be driven by the further drive unit to cool one or more of the drive unit and the electronic unit, wherein the further drive unit is configured to receive power for driving the cooling element after the drive unit has been deactivated and movement of the output shaft has ceased. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14)
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9. A method for cooling one or more of a drive unit and an electronic unit of a hand power tool, comprising:
supplying power to a further drive unit of an after-run cooling unit located in a housing of the hand power tool, the further drive unit being configured to drive a cooling element to cool one or more of the drive unit and the electronic unit, the power being supplied to the further drive unit after the drive unit has been deactivated and after an output shaft of the drive unit has ceased moving.
Specification