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:
Oct. 26, 2021
Filed:
Aug. 07, 2020
Applicant:
Ihi Corporation, Tokyo, JP;
Inventors:
Yutaka Masuda, Tokyo, JP;
Mitsuaki Hayashi, Tokyo, JP;
Assignee:
IHI CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F02D 15/02 (2006.01); F02B 75/04 (2006.01); F16N 7/38 (2006.01); F16N 13/16 (2006.01);
U.S. Cl.
CPC ...
F02D 15/02 (2013.01); F02B 75/04 (2013.01); F16N 7/38 (2013.01); F16N 13/16 (2013.01);
Abstract
Provided is a compression ratio varying mechanism, including: a discharge oil passage connected to a first hydraulic chamber; a supply oil passage connected to a hydraulic pump; a pump cylinder including a first oil storage chamber connected to the discharge oil passage and the supply oil passage and a second oil storage chamber partitioned from the first oil storage chamber by a plunger; a branch oil passage connected to the second oil storage chamber; and an orifice provided in the branch oil passage.