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:
Jul. 03, 2012

Filed:

Jun. 16, 2009
Applicants:

Tadafumi Hirose, Wako, JP;

Hitoshi Yuki, Wako, JP;

Takayuki Aoki, Wako, JP;

Ryosuke Shibata, Wako, JP;

Hiroki Iikura, Wako, JP;

Makoto Uchimi, Wako, JP;

Masashi Kai, Wako, JP;

Inventors:

Tadafumi Hirose, Wako, JP;

Hitoshi Yuki, Wako, JP;

Takayuki Aoki, Wako, JP;

Ryosuke Shibata, Wako, JP;

Hiroki Iikura, Wako, JP;

Makoto Uchimi, Wako, JP;

Masashi Kai, Wako, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 63/00 (2006.01); F01P 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

Engine cooling structure directs cooling air, introduced into a case by operation of a fan, to a cylinder block of an engine and then discharges the cooling air out of the case through an outlet port along meandering flow passages. Case cooling structure directs cooling along the inner surface of the case. Further cooling flow passage directs the air to vertically-oriented heat radiating fins so that the cooling air flows upward along the fins and then is discharged through the outlet port. Metal cooling-fan cover is supported by the lower cover via mounting members, and a resin-made cover guide is fastened to the engine together with supporting portions and interposed between the fan cover and the engine.


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