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. 01, 2020
Filed:
Jun. 16, 2017
Bridgestone Corporation, Tokyo, JP;
Akira Ueki, Tokyo, JP;
Yuki Satake, Tokyo, JP;
Masakazu Nagasawa, Tokyo, JP;
Yasuyuki Nagashima, Tokyo, JP;
Hideki Sugawara, Tokyo, JP;
Shingo Oono, Tokyo, JP;
BRIDGESTONE CORPORATION, Tokyo, JP;
Abstract
A restricted passageway () is provided with a first communication part () which is formed in a first barrier wall () facing a first liquid chamber and opens to the first liquid chamber, a second communication part () which is formed in a second barrier wall () facing a second liquid chamber and opens to the second liquid chamber, and a main body flow path () that is configured to cause the first communication part () and the second communication part () to communicate with each other. At least one of the first communication part () and the second communication part () includes a plurality of fine holes () that pass through the first barrier wall () or the second barrier wall (). A vortex chamber () is disposed in a connection portion with at least one of the first communication part () and the second communication part () on the main body flow path (), figured to form the swirling flow of a liquid depending on a flow velocity of the liquid from the other of the first communication part () and the second communication part (), and is configured to cause the liquid to flow out through the fine holes ().