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:
Sep. 03, 2013
Filed:
Dec. 23, 2009
Avinash R. Manubolu, Edwards, IL (US);
Stephen R. Lewis, Chillicothe, IL (US);
Jayaraman K. Venkataraghavan, Dunlap, IL (US);
Avinash R. Manubolu, Edwards, IL (US);
Stephen R. Lewis, Chillicothe, IL (US);
Jayaraman K. Venkataraghavan, Dunlap, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A housing for an armature of a fuel injector, a fuel injector and a fuel injection system are disclosed. The armature housing includes a first cylindrical portion for slidably accommodating the armature pin. The first cylindrical portion has a minimum inner diameter that is closely matched to the maximum outer diameter of the armature pin. A second cylindrical portion of the armature housing accommodates the armature. The second cylindrical portion has an inner minimum diameter that is closely matched to the maximum outer diameter of the armature. The disclosed armature housing provides more reliable and more consistent movement of the armature.