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:
Oct. 15, 2002
Filed:
Feb. 28, 2000
Applicant:
Inventors:
Andreas Pohl, Gross-Umstadt, DE;
Horst Rosenfeldt, Gross-Zimmern, DE;
Eckhard Wendt, Leverkusen, DE;
Klaus Büsing, Köln, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 3/100 ; F15B 1/3044 ;
U.S. Cl.
CPC ...
F16D 3/100 ; F15B 1/3044 ;
Abstract
The invention relates to a controllable adjustment and damping device comprising at least one pressure chamber ( ) filled with hydraulic fluid, a fluid container ( ), a pump ( ) connecting the pressure chamber to the fluid container, a compensating volume ( ) and a return line ( ) with a passthrough valve ( ). An electro-rheological fluid or magneto-rheological fluid is used as a hydraulic fluid ( ) which exerts pressure upon a piston ( ) that juts out into the pressure chamber or on a membrane ( ), the intensity thereof being controlled by the passthrough valve.