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. 11, 2006
Filed:
Jul. 16, 2003
Robert H. Breeden, Wooster, OH (US);
Peter H. Sheppard, Hanover, PA (US);
Mark A. Sterrett, Spring Grove, PA (US);
Robert H. Breeden, Wooster, OH (US);
Peter H. Sheppard, Hanover, PA (US);
Mark A. Sterrett, Spring Grove, PA (US);
R. H. Sheppard Co., Inc., Hanover, PA (US);
Abstract
A pump assembly includes a high-pressure pump that flows pressurized working fluid in a fuel injection system of a diesel engine. The assembly includes a pilot-operated inlet throttle valve that receives a flow of low-pressure fluid from a feed pump and controls the volume of fluid flowed to the high-pressure pump in response to an electronic control module for the diesel engine. The operation of the inlet throttle valve is independent of fluctuations in output pressure from the feed pump.