Title:
電動手工具装置
Document Type and Number:
Japanese Patent JP5384855
Kind Code:
B2
Abstract:
An electrical hand-held power tool includes a drive motor, a ventilation device (10) for generating an air flow (L) along a main flow path (26) for cooling the drive motor (8), and an electronic device (22) for controlling operation of the drive motor (8) all of which are located in the housing (4), and a plurality of air conducting elements (30) that project from an inner wall (32) of the housing for limiting an auxiliary flow path (36) through which at least a portion of the air flow (L) is forwarded to the electronic device (22), with the air conducting elements (30) forming an auxiliary path inlet (40) of the auxiliary flow path (36) and which projects between a main path inlet (24) of the housing (4) and the ventilation device (10) into the main flow path (26), so that the auxiliary path inlet (40) is walled off from the ventilation device (10).
Inventors:
Reinhard Reedle
Application Number:
JP2008135094A
Publication Date:
January 08, 2014
Filing Date:
May 23, 2008
Export Citation:
Assignee:
Maschinenbau Hilti OHG
International Classes:
B25F5/02; B25F5/00
Domestic Patent References:
| JP11288744A | ||||
| JP3055177U |
Foreign References:
| US20050202310 |
Attorney, Agent or Firm:
Kenji Sugimura
Tatsuya Sawada
Tatsuya Sawada