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:
Oct. 27, 2009
Filed:
Sep. 11, 2006
Applicants:
Kenneth William Junk, Marshalltown, IA (US);
Michel Ken Lovell, Marshalltown, IA (US);
Ronald Francis Hurd, Marshalltown, IA (US);
Steven B. Paullus, Marshalltown, IA (US);
Inventors:
Kenneth William Junk, Marshalltown, IA (US);
Michel Ken Lovell, Marshalltown, IA (US);
Ronald Francis Hurd, Marshalltown, IA (US);
Steven B. Paullus, Marshalltown, IA (US);
Assignee:
Fisher Controls International LLC, Marshalltown, IA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 7/14 (2006.01); G01B 7/30 (2006.01); F16K 37/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Apparatus to determine the position of a movable member of an actuator operating a valve assembly are disclosed. The movable member of the actuator displaces an actuation arm of a position sensor such that relative displacement occurs between a magnetic flux source and a magnetic flux sensor of the position sensor.