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:
Aug. 25, 2009
Filed:
Aug. 25, 2005
Alan R Stockner, Metamora, IL (US);
Thomas D Gens, Peoria, IL (US);
Suryanarayan Banduvula, Peoria, IL (US);
Kit D Minnich, Metamora, IL (US);
Alan R Stockner, Metamora, IL (US);
Thomas D Gens, Peoria, IL (US);
Suryanarayan Banduvula, Peoria, IL (US);
Kit D Minnich, Metamora, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A method and apparatus for injecting fluid into a machine are disclosed. A fluid injector is disclosed having a nozzle body with first and second body portions and at least one fluid injection orifice within the second body portion. The nozzle body may be configured for transmitting fluid from the first body portion toward the orifice. The fluid injector may also include a check member movably arranged inside the nozzle body for affecting fluid flow through the orifice and having a contoured outer surface defining (i) a recessed region and (ii) a generally convex region forming at least a portion of the recessed region.