The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 31, 2010
Filed:
May. 22, 2008
Reinhard Riedl, Finning, DE;
Reinhard Riedl, Finning, DE;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
An electrical hand-held power tool includes a drive motor, a ventilation device () for generating an air flow (L) along a main flow path () for cooling the drive motor (), and an electronic device () for controlling operation of the drive motor () all of which are located in the housing (), and a plurality of air conducting elements () that project from an inner wall () of the housing for limiting an auxiliary flow path () through which at least a portion of the air flow (L) is forwarded to the electronic device (), with the air conducting elements () forming an auxiliary path inlet () of the auxiliary flow path () and which projects between a main path inlet () of the housing () and the ventilation device () into the main flow path (), so that the auxiliary path inlet () is walled off from the ventilation device ().