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. 31, 2002
Filed:
Apr. 16, 2001
Misao Suzuki, Tokyo, JP;
Fuji Jukogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
It is an object of the invention to improve a cooling efficiency for cooling an engine generator by dividing a cooling air passage into two routes. The engine generator includes an engine, a generator, a muffler and a cooling fan, which are all enclosed in a housing. A first cooling air passage is formed adjacent to a cylinder of the engine. A second cooling air passage is formed beneath the engine, extending from the lower side of the cooling fan, passing through an area below the engine and arriving at the muffler. The second cooling air passage is formed between an oil pan and a vibration isolation support base plate, with the oil pan facing the second cooling air passage. In this way, an air supplied from the cooling fan is divided into two routes, with one cooling the cylinder head of the engine and the other the lower portion of the engine and the muffler. When the second cooling passage is partially formed by the vibration isolation support base plate, a longer span can be obtained by the vibration isolation support base plate. Therefore, a vibration isolation member is provided on each end of the vibration isolation support base plate for effectively reducing the engine vibration.