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. 04, 1978
Filed:
Feb. 14, 1977
Applicant:
Inventor:
Ivor Fenne, Greenford, EN;
Assignee:
CAV Limited, Birmingham, EN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417403 ; 1231 / ;
Abstract
A fuel injection pumping apparatus includes a displacement piston housed within a cylinder and movable towards one end of the cylinder to effect injection of fuel to an associated engine. The displacement piston is moved by a fluid pressure operable member and valve means is provided to control the application of fluid pressure to the member from a source. There is interposed between the valve means and the cylinder containing the fluid pressure operable member, a variable orifice which acts to limit at least the initial rate of movement of the displacement member thereby to control the initial rate of injection of fuel.