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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.:

US 12760830 B1

PDFFull Text
Date of Patent:
Oct. 13, 2026

Filed:

Mar. 01, 2022

Pulsation-damping member

Applicant:

Nhk Spring Co., Ltd., Yokohama, JP;

Inventors:

Yoshio Yamada, Yokohama, JP;

Norihiro Tajima, Yokohama, JP;

Shuji Takahashi, Yokohama, JP;

Atsushi Yoneoka, Yokohama, JP;

Assignee:

NHK SPRING CO., LTD., Yokohama, JP;

Attorney:

CANTOR COLBURN LLP

Primary Examiner:

Craig M Schneider

Assistant Examiner:

Joshua D Leary

Int. Cl.
CPC ...
F16L 55/04 (2006.01); F16L 55/05 (2006.01);
U.S. Cl.
CPC ...
F16L 55/05 (2013.01); F16L 55/04 (2013.01);
Abstract

A pulsation damping member includes a first metal plate and a second metal plate, a crest portion of the second metal plate enters inside a crest portion of the first metal plate, a valley portion of the first metal plate enters inside a valley portion of the second metal plate, a size in the axial direction of an outer end portion of an expansion/contraction space positioned on an outermost side in a radial direction and continuous with joint parts increases toward an inner side in the radial direction, and a first constricted portion having a smallest size in the axial direction in a portion of the expansion/contraction space positioned on an inner side with respect to the outer end portion in the radial direction is positioned on a radially outward side from a center portion between the central axis and the joint parts in the radial direction.

Find Patent Forward Citations

Yamada, Yoshio. (2026). Pulsation-damping member (U.S. Patent No. 12760830). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12760830

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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