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:
Nov. 25, 2014
Filed:
Nov. 26, 2010
Kentaro Yamamoto, Osaka, JP;
Yoshiyuki Seno, Osaka, JP;
Gen Isawa, Osaka, JP;
Katsuhiro Sakurai, Aichi, JP;
Kentaro Yamamoto, Osaka, JP;
Yoshiyuki Seno, Osaka, JP;
Gen Isawa, Osaka, JP;
Katsuhiro Sakurai, Aichi, JP;
Toyo Tire & Rubber Co., Ltd., Osaka-shi, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Abstract
Disclosed is a liquid-sealed vibration isolator () provided with a main liquid chamber (), a portion of the chamber wall of which is formed from a vibration isolating base (), a subsidiary liquid chamber (), a portion of the chamber wall of which is formed from a first diaphragm (), and a first orifice flow path () which connects both liquid chambers, wherein a high-frequency second orifice flow path () which connects the main liquid chamber () and the subsidiary liquid chamber () is formed on a partitioning body (), and a second diaphragm () is provided on the opening (A) of the second orifice flow path () on the side of the main liquid chamber. The outer peripheral portion (A) of the second diaphragm is held by the partitioning body () in a liquid-tight manner, and the second diaphragm () abuts the peripheral edge portion of the opening (A) so as to block said opening with a flexible membrane section (B) which is provided on the inside of the second diaphragm (). Moreover, a through hole () is disposed on the flexible membrane section (B) at a position which does not overlap the opening (A).