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:
Dec. 10, 2002
Filed:
Feb. 23, 2001
Masao Yamada, Fukui, JP;
Susumu Torii, Fukui, JP;
Denyo Co. Ltd., Tokyo, JP;
Abstract
The soundproof casing is divided to an engine room ( ), a muffler room ( ) and a radiator room ( ). The engine room ( ) includes the engine E and a work machine unit (generator unit G). The muffler room ( ) includes mufflers M M The radiator room includes a radiator R. An electric fan D is provided between an air intake aperture ( ) and the radiator. The radiator room and the muffler room are communicated. An air flow duct ( ) to communicate the engine room and the muffler room is provided. An engine fan F is provided just opposite to an entrance of the air flow duct. An inter-cooler I is provided in the air flow duct. The soundproof type engine driven work machine including aforementioned apparatuses is offered to improve the cooling efficiency as well as reducing unfavorable noise.