COOLING ARRANGEMENT AND METHOD FOR POWER TOOL

COOLING ARRANGEMENT AND METHOD FOR POWER TOOL

A hand-held power tool includes an electrical motor unit which includes a stator and a rotor arranged concentrically outside the stator, wherein a heat pipe is arranged with a first end inside the stator, thermally connected to the stator, and a second end reaching outside of the stator and thermall...

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Hauptverfasser: LANTZ, Göran, Sivert, KVIBERG, Erik, Markus, Peder, LEWERENTZ, Jan, Hans, Tolly, ÖBERG, Hans, Niklas
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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creator LANTZ, Göran, Sivert
KVIBERG, Erik, Markus, Peder
LEWERENTZ, Jan, Hans, Tolly
ÖBERG, Hans, Niklas
description A hand-held power tool includes an electrical motor unit which includes a stator and a rotor arranged concentrically outside the stator, wherein a heat pipe is arranged with a first end inside the stator, thermally connected to the stator, and a second end reaching outside of the stator and thermally connected to a cooling device having a heat sink for cooling the second end of the heat pipe. The heat pipe includes a phase changing fluid for transporting heat from the first end to the second end to be dissipated at the cooling device. A fan is arranged to provide a cooling air stream to the heat sink and the fan is arranged to provide a cooling air stream to the heat sink independently of an operation of the motor unit.
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subjects CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
title COOLING ARRANGEMENT AND METHOD FOR POWER TOOL
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