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:
Feb. 21, 1989
Filed:
May. 26, 1987
Applicant:
Inventors:
Hirofumi Nishimura, Hiroshima, JP;
Akira Kageyama, Hiroshima, JP;
Assignee:
Mazda Motor Corporation, Hiroshima, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02F / ;
U.S. Cl.
CPC ...
123 / ; 123 4174 ;
Abstract
The block construction of an engine and more particularly the passage construction of the cooling water in an engine having the block integrally cast, the block being provided with a head portion and a cylinder portion. The cooling operation with respect to the peripheral portion of the combustion chamber is properly performed to improve the knocking resistance and the heat load resistance of the engine, the uniform cooling effect for each cylinder in the multiple cylinder engine is retained and the cooling property with respect to the portion between the adjacent cylinders is improved.