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:
Apr. 30, 2002
Filed:
Jun. 26, 2000
Fujio Kobayashi, Tokyo, JP;
Hiroji Kawasaki, Tokyo, JP;
Hisato Ohsawa, Tokyo, JP;
Katsuya Tajima, Saitama, JP;
Kioritz Corporation, Tokyo, JP;
Abstract
A portable power working machine which is provided with an internal combustion engine ( ) and is designed to minimize the clogging of an air cleaner ( ) attached to the air intake system of internal combustion engine ( ). For this purpose, part of air introduced into the main housing ( ) by means of the cooling fan ( ) is allowed to be sucked again by the cooling fan, thereby enabling it to be recirculated through the carburetor chamber ( ) and a circulating air duct ( ) disposed outside the carburetor chamber ( ), and at the same time, part of air introduced into the carburetor chamber ( ) is allowed to be introduced from the air cleaner ( ) into the internal combustion engine ( ).