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.

Date of Patent:
Aug. 31, 2021

Filed:

Sep. 15, 2020
Applicant:

Ihi Corporation, Tokyo, JP;

Inventors:

Yutaka Masuda, Tokyo, JP;

Yoshiyuki Umemoto, Hyogo, JP;

Toshihiko Shimizu, Hyogo, JP;

Assignee:

IHI CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 15/02 (2006.01); F02D 41/00 (2006.01); B63H 21/38 (2006.01); F02D 13/02 (2006.01); F02D 41/38 (2006.01);
U.S. Cl.
CPC ...
F02D 41/0002 (2013.01); B63H 21/38 (2013.01); F02D 13/0242 (2013.01); F02D 15/02 (2013.01); F02D 41/38 (2013.01);
Abstract

Provided is a marine engine, including: an air controller configured to supply compressed air to a combustion chamber in an upstroke of a piston after a crash astern signal is output; a fuel controller configured to stop supply of fuel to the combustion chamber when the crash astern signal is output, and to resume the supply of the fuel after a backward rotation of a crankshaft; and a compression ratio controller configured to move a top dead center position of the piston toward an opposite side of a bottom dead center position of the piston when the crash astern signal is output, and the top dead center position of the piston is on the bottom dead center position side with respect to a predetermined position set in advance.


Find Patent Forward Citations

Masuda, Yutaka. (2021). Marine engine (U.S. Patent No. 11105281). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11105281

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

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