Integrated Sensor for Position Control

Patent No. 8,672,291

Issued: March 18, 2014
Filed: May 13, 2009
PCT Filed: May 13, 2009
PCT No.: PCT/US2009/043693
371(c)(1),(2),(4) Date: October 21, 2010
PCT Pub. No.: WO2009/140322
PCT Pub. Date: November 19, 2009
Term Extension: 666 days

Inventor: Tyler; Jeff (Newark, NY)
Assignee: G.W. Lisk Company, Inc. (Clifton Springs, NY)


An actuator control system including a servo-actuator comprising: at least one coil; a solenoid core within the at least one coil; a rod within the solenoid core having a first end, a second end, and a length extending between the first end and the second end, the first end coupled to a sensing core pin having a profile; a moveable member coupled to the second end of the rod; a moveable armature within the solenoid core surrounding a portion of the length of the rod and biased by a spring; and a noncontact sensor integral with servo-actuator and aligned with the first end of the rod coupled to the sensing core pin. A selected position of the servo-valve actuator may be set by the ECU by sensing the position of the sensing core pin using the non-contact sensor.

Reference to Related Applications

This application claims one or more inventions which were disclosed in Provisional Application No. 61/053,715, filed May 16, 2008, entitled "INTEGRATED SENSOR FOR POSITION CONTROL" and Provisional Application No. 61/056,209, filed May 27, 2008, entitled "INTEGRATED SENSOR FOR POSITION CONTROL". The benefit under 35 USC .sctn.119(e) of the United States provisional applications are hereby claimed, and the aforementioned applications are hereby incorporated herein by reference.

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