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. 28, 2002
Filed:
Apr. 11, 2001
Metin Ersoy, Walluf, DE;
Klaus Kramer, Neuenkirchen, DE;
Other;
Abstract
A two-chamber step bearing with hydraulic damping, especially for mounting engines in motor vehicles, has at least one fluid-filled working chamber and at least one compensating chamber connected thereto by an overflow channel. An additional, blockable spring element ( ) is arranged in series after the first hydraulic damping spring element comprising the working chamber ( ), the compensating chamber ( ) and the overflow channel ( ), wherein the spring element ( ) is arranged in a separate pretensioning chamber ( ), which is connected to the working chamber ( ) and the compensating chamber ( ) by at least two switching elements ( ) which can be controlled independently from one another, and wherein the pretensioning chamber ( ) can be filled up with hydraulic fluid for blocking the additional spring element ( ) by the vibrations introduced into the two-chamber step bearing from the engine.