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:
Feb. 16, 2021

Filed:

Jun. 06, 2019
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Shintaro Hotta, Susono, JP;

Susumu Hashimoto, Ebina, JP;

Shinji Sadakane, Susono, JP;

Hiroshi Tada, Mishima, JP;

Fumio Takamiya, Gotemba, JP;

Akira Hojo, Susono, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02F 3/26 (2006.01); F02B 75/22 (2006.01); F02B 75/18 (2006.01); F16H 57/025 (2012.01); F16H 57/02 (2012.01);
U.S. Cl.
CPC ...
F02F 3/26 (2013.01); F02B 75/22 (2013.01); F02B 2075/1824 (2013.01); F16H 57/025 (2013.01); F16H 2057/0203 (2013.01);
Abstract

An internal combustion engine has a plurality of cylinders and transmission arranged adjoining the engine. If designating an average height of a combustion chamber in a region inside from a virtual cylindrical surface passing through center of a valve body of an intake valve and extending in a circumferential direction of each cylinder when a piston is at top dead center, as 'center height', and designating average of a height of the combustion chamber in a region outside from the virtual cylindrical surface when the piston is at top dead center, as 'peripheral height', the combustion chambers form a center height of a transmission side cylinder positioned most to the transmission side among the plurality of cylinders is higher than center heights of usual cylinders including one cylinder other than the transmission side cylinder and a peripheral height at the transmission side cylinder lower than peripheral heights of usual cylinders.


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