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:
Feb. 15, 1983
Filed:
Apr. 13, 1981
Dante S Giardini, Dearborn Hgts., MI (US);
Ford Motor Company, Dearborn, MI (US);
Abstract
A fuel injector 10 includes a housing 12 which mounts a valve 56 closing off orifice 22 at one end of a fuel chamber 20 bounded at an opposite end by a piston 18 which is controlled by a tubular armature 16. The tubular armature 16 fits within an annular gap 40 without the housing 12 and is actuated by a coil 14. A pressure compensation vent 78 is in communication with a section 50 at the upper side of piston 18 to partially compensate for chamber combustion pressures which exert a closing force on valve 56. Energizing of the drive coil 14 moves the armature 16 which in turn moves the piston 18 downward which displaces fuel within the fuel chamber 20 which opens the valve 56 allowing fuel to pass through orifice 22.