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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.:

US 10598056 B1

PDFFull Text
Date of Patent:
Mar. 24, 2020

Filed:

Jan. 16, 2018

Internal combustion engine

Applicant:

Honda Motor Co., Ltd., Tokyo, JP;

Inventors:

Keijiro Koide, Wako, JP;

Shigekazu Tanaka, Wako, JP;

Assignee:

Honda Motor Co., Ltd., Tokyo, JP;

Attorney:

Armstrong Teasdale LLP

Primary Examiner:

Zelalem Eshete

Int. Cl.
CPC ...
F01L 9/02 (2006.01); F01M 9/10 (2006.01); F01P 3/02 (2006.01); F01M 5/00 (2006.01); F01M 9/00 (2006.01); F01L 1/24 (2006.01); F01P 5/10 (2006.01); F01P 3/00 (2006.01); F01L 1/18 (2006.01); F01L 1/053 (2006.01); F01L 13/00 (2006.01);
U.S. Cl.
CPC ...
F01M 9/105 (2013.01); F01M 5/001 (2013.01); F01M 9/00 (2013.01); F01P 3/02 (2013.01); F01L 1/185 (2013.01); F01L 1/2405 (2013.01); F01L 13/0036 (2013.01); F01L 2001/0537 (2013.01); F01L 2001/2444 (2013.01); F01L 2105/00 (2013.01); F01L 2810/02 (2013.01); F01P 5/10 (2013.01); F01P 2003/006 (2013.01); F01P 2003/024 (2013.01);
Abstract

An internal combustion engine includes: a cylinder head (); a combustion chamber recess () formed in the cylinder head; an intake passage () and an exhaust passage () formed in the cylinder head and communicating with the combustion chamber recess; a head oil passage () formed in the cylinder head, and having a first end (A) communicating with an oil pump () and a second end (B) opening out at a sliding contact surface of a valve actuating mechanism () provided in the cylinder head; and an oil jacket () formed in the cylinder head in a path of the head oil passage so as to at least partly surround the exhaust passage.

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