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. 26, 2017
Filed:
Aug. 06, 2015
Bridgestone Corporation, Tokyo, JP;
Akira Ueki, Kamakura, JP;
Masakazu Nagasawa, Yokohama, JP;
Shuhei Ono, Yokohama, JP;
Yasuyuki Nagashima, Yokohama, JP;
BRIDGESTONE CORPORATION, Tokyo, JP;
Abstract
A vibration isolator () is a liquid-enclosed vibration isolator and includes: a tubular first mounting member () connected to one of a vibration generator and a vibration absorber, and a second mounting member () connected to the other; an elastic body () elastically connecting the mounting members; and a partition member () partitioning a liquid chamber () in the first mounting member () within which a liquid (L) is enclosed into a primary liquid chamber () that uses the elastic body () as a part of a wall surface thereof and a secondary liquid chamber (), wherein the partition member () is formed with a restriction passage () communicating the primary and secondary liquid chambers () with each other, and a porous body () having numerous pores (), which are disposed in parallel so as to communicate a side of the primary liquid chamber () and a side of the secondary liquid chamber () with each other, is arranged in the restriction passage ().