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. 26, 1983
Filed:
Jul. 09, 1980
Applicant:
Inventor:
Brian E Broadwith, Hadleigh, GB;
Assignee:
Lucas Industries Limited, Birmingham, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ; F04B / ; F04B / ;
U.S. Cl.
CPC ...
417435 ; 417462 ;
Abstract
A fuel injection pump of the rotary distributor type has a main pumping chamber including a bore in which is located a plunger and an auxiliary pumping chamber including a further bore and a further plunger. Speed responsive valve means is provided which connects the two bores together for starting purposes. In order to permit air to escape from the bores a spill passage is connected by a passage to the further bore and the spill passage is brought into communication with a spill port while fuel is being supplied to the bores.