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. 23, 2002
Filed:
Feb. 10, 2000
Applicant:
Inventors:
Helmut Kohlhaas, Wildeck-Richelsdorf, DE;
Dieter Wilhelm, Neu-Anspach, DE;
Assignee:
Mannesmann VDO AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 3/526 ; B01D 3/502 ;
U.S. Cl.
CPC ...
B01D 3/526 ; B01D 3/502 ;
Abstract
A pump assembly is comprised of a pump member having a pump wall and a filter element located within a filter housing that is prestressed against the pump wall. In an exemplary embodiment, a housing of the pump assembly is manufactured in a single piece with a clamping element. The clamping element includes a flanged border for gripping behind an edge of the filter housing.