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 6997144 B1

Expired

Date of Patent:

Feb. 14, 2006

Filed:

Apr. 08, 2004

Cylinder head structure for an internal combustion engine

Applicants:

Tomohiro Sugano, Kanagawa, JP;

Keiji Shimotani, Kanagawa, JP;

Hideki Kubo, Kanagawa, JP;

Yumiko Umemura, Kanagawa, JP;

Inventors:

Tomohiro Sugano, Kanagawa, JP;

Keiji Shimotani, Kanagawa, JP;

Hideki Kubo, Kanagawa, JP;

Yumiko Umemura, Kanagawa, JP;

Assignee:

Isuzu Motors Limited, Tokyo, JP;

Attorney:

James N. Dresser, Esq.

Primary Examiner:

Noah P Kamen

Int. Cl.

CPC ...

F02F 1/36 (2006.01);

U.S. Cl.

CPC ...

Abstract

A cylinder head structure for an internal combustion engine that is disposed on the upper surface of a cylinder body in which a plurality of cylinders are arranged in the lengthwise direction thereof, and that has an exhaust port, an intake port and a fuel injector mounting hole for each of the cylinders; a boss for bolt hole having a bolt hole for inserting a cylinder head bolt on the exhaust port side and a boss for bolt hole having a bolt hole for inserting a cylinder head bolt on the intake port side being provided between the exhaust ports and between the intake ports of the neighboring cylinders, and a partitioning wall being formed for coupling the boss for bolt hole on the exhaust port side to the boss for bolt hole on the intake port side and for sectionalizing the cooling water chamber, wherein the boss for bolt hole on the intake port side is provided with guide portions that guide the cooling water flowing into the cooling water chamber to the side of the fuel injector mounting hole from the exhaust port side.

Find Patent Forward Citations

Sugano, Tomohiro. (2006). Cylinder head structure for an internal combustion engine (U.S. Patent No. 6997144). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6997144

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