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:
Jun. 06, 2006

Filed:

Oct. 01, 2003
Applicants:

Hiroki Tawa, Saitama, JP;

Tatsuya Kuroda, Saitama, JP;

Inventors:

Hiroki Tawa, Saitama, JP;

Tatsuya Kuroda, Saitama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63H 21/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A water-cooled vertical engine includes a cylinder block cooling water jacket formed in a cylinder block and a cylinder head cooling water jacket formed in a cylinder head, the jackets being substantially independent. Cooling water from a cooling water pump is supplied to the cylinder block cooling water jacket via through holes, and cooling water branching just before the cylinder block cooling water jacket is supplied to the cylinder head cooling water jacket via a pair of cooling water passages through gasket faces of the cylinder block and the cylinder head.


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