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:
Jul. 04, 1995
Filed:
Jul. 20, 1994
Applicant:
Inventors:
Lothar Krauter, Bietigheim-Bissingen, DE;
Michael Kuehn, Bietigheim, DE;
Michael Niederkofler, Remseck, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D / ;
U.S. Cl.
CPC ...
415 551 ;
Abstract
A fuel pump has a pump housing, and a rotor rotatable in the pump housing and having an outer surface. The housing has an inner wall which faces the rotor and forms with the outer surface of the rotor a narrow gap. The inner wall is provided with a plurality of depressions which are independent from one another and form a sealing region.