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. 06, 2004

Filed:

Oct. 10, 2002
Applicant:
Inventors:

Misao Suzuki, Tokyo, JP;

Hideki Tomiyama, Tokyo, JP;

Tadao Kuwahara, Tokyo, JP;

Shinichi Okazaki, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B 4/308 ;
U.S. Cl.
CPC ...
F02B 4/308 ;
Abstract

A frame type engine generator having an engine, a generator connected with the engine and driven by the engine and a supporting frame for supporting the engine and generator therein is closed at the front surface of the supporting frame with a control panel, closed at the rear surface thereof with a muffler cover and closed at the top surface thereof with a fuel tank. To raise a noise reduction performance of the engine generator, the left side surface of the supporting frame is closed with a left panel and the right side surface thereof is closed with a right panel. The left and right panels have a double-walled structure including an inner panel and an outer panel, respectively. The left and right panels are detachably attached to the supporting frame through a rubber seal, respectively.


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