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:
Aug. 21, 2007
Filed:
Dec. 17, 2004
Diethard Schneider, Celle, DE;
Diethard Schneider, Celle, DE;
ContiTech Vibration Control GmbH, Hannover, DE;
Abstract
A hydraulic bearing includes a support spring made of elastomeric material and a hydraulic volume partitioned into a work chamber and a compensating chamber. A partition wall is disposed between the two chambers and includes a transfer channel. For acoustic decoupling, a membrane-like decoupling element is seated and is displacement limited between two lattice plates. The decoupling element is made of flexible elastic material and is clamped laterally to be pressure tight. The decoupling membrane is radially prestressed for matching the acoustic decoupling to specific disturbing frequencies (hum frequencies). This prestressing takes place preferably because of the shrink process during vulcanization of the decoupling membrane which is made of raw rubber. The decoupling membrane can have a peripheral bead and at least one transverse strut. The strut can have a reinforcement insert.