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. 01, 2008
Filed:
Nov. 14, 2003
Masamichi Tanaka, Osaka, JP;
Tohru Ogawa, Osaka, JP;
Satoshi Hattori, Osaka, JP;
Yanmar Co., Ltd., , JP;
Abstract
A fuel injection pumpcomprises a thermoelement CSDfor advancing injection timing in a cold temperature condition. The CSDuses a pistonfor opening and closing a sub portformed in a plunger barrelAn electronic governoris provided with a mechanism for decreasing an injected fuel quantity when an engine starts in a cold temperature condition. The mechanism shifts a rack position in a fuel-decrease direction in a cold temperature condition, and switches the rack position to a normal position in a normal temperature condition. A timing TR for shifting the rack position is set before or simultaneous to a timing TC for switch-off of the CSD