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:
Apr. 26, 2011
Filed:
Oct. 12, 2004
Masatoshi Hada, Nagoya, JP;
Satoshi Murata, Yokohama, JP;
Naoyuki Satou, Akishima, JP;
Nissan Motor Co., Ltd., Yokohama-shi, Kanagawa-ken, JP;
Renault S.A.S., Boulogne Billancourt, FR;
Abstract
A cooling water passage structure of internal combustion engines is provided which can contribute to a scale-down of the external form of the engine and also can prevent deformation of the cylinder bores. The cooling water passage structure comprises a water jacket for the flow of cooling water provided on the peripheries of a plurality of cylinder bores; and a lateral suction passageintegrally formed with a side wall of a cylinder blockhaving bolt holes formed for fastening a cylinder headThe lateral suction passage runs through by the cylinder bores at a height in the vicinity of the water jacket bottom and is arranged on the outside of, and perpendicular to the bolt holes. On the rear surface of the cylinder headis mounted a water passage blockand on the front end part of the cylinder blockis provided a water pump housing