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:
Jan. 28, 1997
Filed:
May. 26, 1995
Applicant:
Inventors:
Jeffrey J Carter, Jr, Peoria, IL (US);
Howard N Cannon, Peoria, IL (US);
Kirk S Shively, Dunlap, IL (US);
Glen F Forck, Peoria, IL (US);
Raj T Nagarajan, Peoria, IL (US);
Steven F Meister, Chillicothe, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ; F15B / ;
U.S. Cl.
CPC ...
239 92 ; 13762565 ; 239 95 ;
Abstract
An actuation valve for a hydraulically-operated fuel injector includes an actuator having a plunger and a spool valve coupled to the plunger. The spool valve includes a high pressure port and is operable by the actuator to selectively place the high pressure port or the low pressure port in fluid communication with an injection mechanism of the injector.