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:
Nov. 16, 2021
Filed:
Sep. 01, 2020
Applicant:
Ihi Corporation, Tokyo, JP;
Inventors:
Assignee:
IHI CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F02D 7/00 (2006.01); F02M 57/02 (2006.01); F02M 59/10 (2006.01); F02B 3/06 (2006.01); F02B 75/02 (2006.01); F02M 47/02 (2006.01); F02M 59/46 (2006.01);
U.S. Cl.
CPC ...
F02M 57/025 (2013.01); F02M 59/105 (2013.01); F02B 3/06 (2013.01); F02B 2075/025 (2013.01); F02M 47/027 (2013.01); F02M 59/466 (2013.01);
Abstract
Provided is an engine, including: a cylinder; a piston accommodated in the cylinder; a combustion chamber facing the piston; a sliding portion (large-diameter portion) configured to perform a stroke motion together with the piston; a hydraulic surface of the sliding portion facing a side opposite to the combustion chamber; a hydraulic chamber, which the hydraulic surface faces; and an auxiliary hydraulic chamber, which communicates with the hydraulic chamber, and has a volume changeable in accordance with a hydraulic pressure in the hydraulic chamber.