Patent · US Active

Adaptive cooling unit for a power tool

US8334626B2 · kind B2 · utility

5Cited by

6References

10Claims

0Family size

Assignee

AEG Electric Tools GmbH · DE

Inventors

Michael R. Lange · Windom, US
Rainer Vogler · Leutenbach, DE

Key dates

Filing date	Oct 13, 2009
Grant date	Dec 18, 2012
Priority date	—
Expiry date	Jul 19, 2030

Classification

Technology area (CPC H)Electricity
CPC primaryH02K7/145
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A cooling unit for a power tool comprises a fan wheel (10) to be supported on an armature shaft (3) of a motor (1) of the power tool. The cooling unit comprises a torque transfer means as well as an actuating means (20, 22) for actuating this torque transfer means so as to selectively transfer the rotation of the armature shaft (3) to the fan wheel (10) during operation of the power tool.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.