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:
Sep. 13, 1994
Filed:
Apr. 30, 1993
Applicant:
Inventor:
Axel Rudolph, Bensheim, DE;
Assignee:
Firma Carl Freudenberg, Weinheim/Bergstr., DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16F / ;
U.S. Cl.
CPC ...
26714012 ; 267 35 ; 2671412 ;
Abstract
Hydraulically damping rubber engine mount comprising an inner tube (1) and an outer tube (2) surrounding the inner tube at a radial distance therefrom, the tubes being joined together by a rubber-elastic cushion (3) having two liquid-filled working chambers (4, 5) separated from one another by a dividing wall (6) capable of vibration and are joined to one another by at least one connecting passage (7). A gas-filled cavity (8) is disposed within the first working chamber (4) and defined by inflatable walls which have in at least a partial area an opening to the atmosphere and are surrounded at least partially by the working chamber.