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:
Sep. 09, 2003
Filed:
Dec. 04, 2001
Applicant:
Inventor:
Rainer Kober, Darmstadt, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 1/700 ; H02K 5/10 ;
U.S. Cl.
CPC ...
F04B 1/700 ; H02K 5/10 ;
Abstract
A feed device ( ) for washer fluid, wherein an electric motor ( ) which is provided for driving a feed pump ( ) has a housing ( ) which is sealed in the upper region and an opening ( ) which is arranged in the lower region level with the feed pump ( ). Ventilation of the electric motor ( ) takes place via this opening ( ). In the event of a water level reaching the electric motor ( ), for example if the motor vehicle passes through water, an air bubble is formed in the housing ( ), the air bubble preventing water from penetrating into the electric motor ( ).