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:
Mar. 25, 2025
Filed:
Sep. 14, 2022
Taiho Kogyo Co., Ltd., Toyota, JP;
Daikin Industries, Ltd., Osaka, JP;
Ukyo Ishiguro, Toyota, JP;
Shingo Goto, Toyota, JP;
Ryohei Nakamura, Toyota, JP;
Yasuyuki Tago, Toyota, JP;
TAIHO KOGYO Co., Ltd., Aichi, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Abstract
A compression mechanism that can suppress generation of galling and seizure is provided. The compression mechanism includes a bushincluding a first sliding surfacesliding with an inner surfaceof a bush holeand a second sliding surfacesliding with a side surfaceof a blade of a piston, and includes at least one of a first bulgeformed on one of the first sliding surfaceand the inner surfacesuch that a gap X between the first sliding surfaceand the inner surfacegradually decreases toward a direction in which lubricant Y is drawn between the first sliding surfaceand the inner surfacealong with rocking of the bush, and a second bulgeformed on the second sliding surfacesuch that the gap X between the second sliding surfaceand the side surfacegradually decreases toward a direction in which the lubricant Y is drawn between the second sliding surfaceand the side surfacealong with forward and backward movement of the blade.