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. 02, 2008
Filed:
Jul. 28, 2005
Applicant:
Christopher Michael Gruel, Edwards, IL (US);
Inventor:
Christopher Michael Gruel, Edwards, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A valve actuation assembly includes a housing and a vane connected to a shaft. The vane is at least partially disposed within the housing. The valve actuation assembly further includes a valve assembly connected to the housing and a feedback device connected to at least one of the vane and the shaft. The feedback device is configured to apply a feedback force to the valve assembly.