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:
Oct. 27, 1992
Filed:
May. 08, 1991
Komatsu Zenoah Kabushiki Kaisha, Tokyo, JP;
Abstract
Disclosed is a fuel supply system for an internal combustion engine having a fuel tank, a combustion chamber defined in an engine cylinder, and an air intake passage communicating with the combustion chamber. The fuel supply system comprises a main fuel passage communicating the fuel tank and the air intake passage, first supply mechanism provided on the main fuel passage for supplying main fuel from the fuel tank to the air intake passage responsive to the cranking of the engine a starting fuel passage defined separate from the main fuel passage and communicating with the air intake passage and the main fuel passage, and second supply mechanism provided on the starting fuel passage for supplying a predetermined amount of starting fuel into the air intake passage, in addition to the supply of main fuel, responsive to the temperature of the engine cylinder upon starting of the engine. The main fuel passage and the starting fuel passage communicate with the venturi portion of the air intake passage so that the supply of both main fuel and starting fuel into the intake air passage is performed at the venturi portion.