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:
May. 10, 1994
Filed:
Apr. 22, 1993
Applicant:
Inventors:
Eckerhard Stroetgen, Waldenbuch, DE;
Eberhard Prahst, Aichwald, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ; H02K / ;
U.S. Cl.
CPC ...
310 50 ; 310 58 ;
Abstract
A hand machine tool has an electric motor, a radial fan driven by the electric motor and having an aspirating region and a stationary pre-spin grate located in the aspirating region of the radial fan directly upstream the radial fan as considered in an air flow direction and formed so that a supply air to the radial fan is deviated against a rotary direction of the radial fan.