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. 26, 2006
Filed:
Dec. 07, 2005
Applicant:
Masamichi Tanaka, Osaka, JP;
Inventor:
Masamichi Tanaka, Osaka, JP;
Assignee:
Yanmar Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
F02M 37/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fuel injection pump comprises: a barrel formed with a main portand a sub port; a plunger; and a CSDincluding an injection-advancing actuatorwhich operates a pistonfor opening or closing sub portso as to change an injection timing. Plungeris moved to connect or separate sub portand main portto and from a fuel compression chamber. The barrel is further formed with at least one exclusive overflowing sub portconstantly opened regardless of the operational state of the piston