Patent number: 8672291

Integrated sensor for position contol

Original Assignee: G. W. Lisk Company, Inc.

Field of technology: Vehicles, Engines and Transportation

Patent granted on: Tue, 18 Mar 2014

Patent drawing

Abstract

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.