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:
Mar. 22, 2005
Filed:
Nov. 15, 2001
Ning Lei, Oak Brook, IL (US);
Ning Lei, Oak Brook, IL (US);
International Engine Intellectual Property Company, LLC, Warrenville, IL (US);
Abstract
A unit fuel injector, the injector internally preparing fuel during an injection event at a pressure sufficient for injection by means of an intensifier driven by a pressurized non-fuel actuating fluid selectively ported to the intensifier, includes a selectively actuatable controller interposed in a fuel passage, the fuel passage effecting fluid communication between an intensifier fuel chamber and a needle valve, the controller being shiftable between an open and a closed disposition for selectively opening and closing the fuel passage during the injection event A control apparatus and a method of injection timing control are further included.