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:
Aug. 24, 2021
Filed:
Nov. 20, 2020
Applicant:
Ihi Corporation, Tokyo, JP;
Inventors:
Assignee:
IHI CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F01M 1/06 (2006.01); F02B 75/04 (2006.01); F16J 7/00 (2006.01);
U.S. Cl.
CPC ...
F01M 1/06 (2013.01); F02B 75/04 (2013.01); F16J 7/00 (2013.01); F01M 2001/066 (2013.01);
Abstract
Provided is a compression ratio varying mechanism, including a communication hole including: a first opening opened in an outer peripheral side surface of a piston rod; and a second opening, which is prevented from being opposed to the first opening in a radial direction of a piston rod, and is connected to an oil passage at a position apart from the first opening in a stroke direction.