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:
May. 13, 2003
Filed:
Jul. 24, 2001
Bernard Bouhier, Noyers sur Cher, FR;
Frédéric Seibert-Sandt, Olivet, FR;
Hutchinson, Paris, FR;
Abstract
A hydraulic antivibration sleeve comprising two constrictive strength members interconnected by an elastomer body which defines first and second diametrically opposite working chambers and a side compensation chamber. The two working chambers communicate with each other via a constricted passage, while the compensation chamber communicates with the first working chamber only via another constricted passage. The elastomer wall which defines the second working chamber is free and is not in contact with the inner strength member except in a certain range of values for the radial static load supported by the sleeve: this provides two different modes of operation depending on the value of said static load.