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:
Jun. 22, 1999
Filed:
Jul. 11, 1997
Applicant:
Inventor:
Andrew Joseph Drummond, Ashford, GB;
Assignee:
Lucas Industries plc, , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
123467 ; 123506 ;
Abstract
An injector is disclosed which comprises a valve needle spring biased into engagement with a seating. The spring engages a spring abutment piston which defines, in part, a chamber which communicates, in use, with a spill valve, a restricted drain passage, and a fuel inlet. A non-return valve is located within the chamber and arranged to control communication between the chamber and the fuel inlet.