Hand-held power tool, fanless storage battery
First Claim
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1. A hand-held power tool, comprising:
- a tool housing which has a receiving recess, wherein a storage battery or a power supply unit is replaceably receivable in the receiving recess; and
an electric drive motor with a cooling fan disposed within the tool housing;
wherein the tool housing has a first vent portion which is disposed in the receiving recess and wherein a volume flow generated by the cooling fan is guidable through the first vent portion;
wherein the tool housing has a second vent portion, wherein the second vent portion is disposed outside of the receiving recess, and wherein the volume flow generated by the cooling fan is at least partially guidable through the second vent portion; and
a flow control means, wherein the volume flow generated by the cooling fan is distributable between the first vent portion and the second vent portion by the flow control means.
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Abstract
A hand-held power tool, in particular a hammer drill or a combination hammer, is disclosed. The hand-held power tool includes a tool housing which has a receiving recess designed to replaceably receive a storage battery or a power supply unit. The hand-held power tool has an electric drive motor with a cooling fan. The tool housing has a first vent portion which is located in the receiving recess and through which a volume flow generated by the cooling fan can be guided.
23 Citations
9 Claims
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1. A hand-held power tool, comprising:
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a tool housing which has a receiving recess, wherein a storage battery or a power supply unit is replaceably receivable in the receiving recess; and an electric drive motor with a cooling fan disposed within the tool housing; wherein the tool housing has a first vent portion which is disposed in the receiving recess and wherein a volume flow generated by the cooling fan is guidable through the first vent portion; wherein the tool housing has a second vent portion, wherein the second vent portion is disposed outside of the receiving recess, and wherein the volume flow generated by the cooling fan is at least partially guidable through the second vent portion; and a flow control means, wherein the volume flow generated by the cooling fan is distributable between the first vent portion and the second vent portion by the flow control means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification