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. 17, 2002
Filed:
Nov. 14, 2000
Applicant:
Inventors:
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 1/700 ;
U.S. Cl.
CPC ...
F04B 1/700 ;
Abstract
In a pump, particularly for cooling water, with an impeller wheel ( ) that is supported so that it can rotate in a pump chamber ( ), an excitation device ( ) for driving the impeller wheel ( ) to rotate, and a control circuit ( ) for the excitation device ( ), the control circuit ( ) and the excitation device ( ) are thermally separated from one another by the pump chamber ( ). The waste heat of the excitation device ( ) is removed by the fluid circulating in the pump chamber ( ) to the extent that the control circuit ( ) is prevented from overheating.