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. 07, 1987
Filed:
Sep. 25, 1985
Morse N Taxon, Oak Park, MI (US);
Gene A Maguran, West Bloomfield, MI (US);
United Technologies Diesel Systems, Inc., Springfield, MA (US);
Abstract
An electromagnetically-actuated fuel injector of the type having a spring-biased flat armature and a ball valve element is provided with an improved arrangement for preventing wobble or flutter of the armature, particularly during operation. The substantially-circular armature includes a portion contoured to define a pivot axis for the armature as it engages a stationary part of the injector. This pivot axis is conveniently provided by a chordal edge on the armature. This arrangement aids in reducing wobble by the armature and is further enhanced by concentrating the spring force on the armature remote from the pivot axis. This concentrated spring force is obtained by providing a spring seat on the armature which is inclined such that the spring experiences greater compression where the spring force is required.