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:
Sep. 15, 2009
Filed:
Nov. 09, 2005
Dennis H. Gibson, Chillicothe, IL (US);
Mark F. Sommars, Sparland, IL (US);
Jinhui Sun, Bloomington, IL (US);
Dennis H. Gibson, Chillicothe, IL (US);
Mark F. Sommars, Sparland, IL (US);
Jinhui Sun, Bloomington, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A fuel injector for a work machine is disclosed. The fuel injector has nozzle member having at least one orifice and a needle valve element having a tip end. The needle valve element is axially movable to selectively allow and block fuel flow through the at least one orifice with the tip end. The fuel injector also has at least one supply passageway in communication with the tip end of the needle valve and a variable restrictive device disposed within the at least one supply passageway.