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:
Aug. 24, 2010

Filed:

Aug. 28, 2007
Applicants:

Takashi Ito, Saitama, JP;

Taiyo Onodera, Saitama, JP;

Inventors:

Takashi Ito, Saitama, JP;

Taiyo Onodera, Saitama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01P 7/02 (2006.01); F01N 1/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

An engine and a generator driven by the engine are resiliently supported on a frame. A duct member is integrally attached to the engine and the generator to define a continuous cooling-air passage between the duct member and outer peripheral surfaces of the engine and the generator. A cooling fan is disposed on an inlet side of the cooling-air passage. A silencing plate is integrally attached to the duct member and faces an inlet of the cooling-air passage with a ventilation gap defined therebetween. The silencing plate has an area opposing the inlet that is larger than an opening area of the inlet.


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