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:
Jan. 11, 1994
Filed:
Jun. 28, 1993
Applicant:
Inventors:
Gunter Worner, Kernen, DE;
Arno Rohringer, Ditzingen, DE;
Heiko Bublitz, Stuttgart, DE;
Peter Lindeckert, Stuttgart, DE;
Assignee:
Mercedes-Benz AG, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D / ; F04B / ;
U.S. Cl.
CPC ...
60468 ; 417292 ; 417308 ;
Abstract
A hydraulic flow control apparatus has shape memory alloy springs which develop substantial actuating forces only at relatively high temperature. As a result of these forces, an only relatively slightly throttled connecting path between delivery side and intake side of a pump is opened directly or indirectly.