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:
Apr. 25, 2000
Filed:
Dec. 17, 1998
Applicant:
Inventors:
Assignees:
Hydraulik Ring GmbH, Nuertingen, DE;
Dr. Ing. h.c.F. Porsche AG, Weissach, DE;
Primary Examiner:
Int. Cl.
CPC ...
F01L / ;
U.S. Cl.
CPC ...
123 9017 ; 123 9015 ; 123 9019 ; 123 9012 ;
Abstract
A device supplying a hydraulic consumer in an internal combustion engine is provided with an air withdrawal chamber located in a pressure line for removing air from the oil. The air is removed using an expansion chamber formed in the pressure line which has a valve-controlled connection to the supply tank.