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. 21, 1992
Filed:
Jun. 19, 1991
Applicant:
Inventors:
Bernhard Gesenhues, Birkenau, DE;
Detlef Cordts, Morlenbach, DE;
Assignee:
Firma Carl Freudenberg, Weinheim an der Bergstrasse, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D / ;
U.S. Cl.
CPC ...
4151682 ;
Abstract
A cooling water pump for combustion engines has, between a sealing element 6 and a bearing 5, an annular chamber 7 provided with at least two openings 8, 9 penetrating the cover 2 of the bearing on opposing sides of the shaft 4. At least one absorbent disc 10 is provided axially between the ventilating openings 8, 9 and the bearing 5.