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. 15, 2003
Filed:
Feb. 28, 2001
Applicant:
Inventors:
Marcus Böckling, Ottersweier, DE;
Thomas Rammhofer, Sasbach, DE;
Joachim Pfeiffer, Bühlertal, DE;
Jan Grabenstätter, Gernsbach, DE;
Assignee:
Luk Lamellen und Kupplungsbau Beteiligungs KG, Bühl, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F15B 7/00 ;
U.S. Cl.
CPC ...
F15B 7/00 ;
Abstract
An hydraulic system that includes a master cylinder, a slave cylinder, a fluid conduit extending between the cylinders, and a pressure relief valve within the conduit between the cylinders. The pressure relief valve includes at least one port that is closed by an elastic member that overlies the port and that opens when fluid pressure acting through the port exceeds a predetermined level to cause the elastic member to open the port.