Back to results
US 2011/0031426 A1Published application
Engine control valve system with motor
AssigneeG. W. Lisk Company, Inc.
InventorJeff Tyler
Life of this patent
Estimating the term…
Abstract
A system for operating a valve comprising a motor shaft driven by a motor; a first cam with a profile mounted to the motor shaft, a second cam with a profile mounted to the motor shaft; a non-contact sensor proximate to the first cam; and a valve actuator. The valve actuator follows the profile of the second cam. A selected position of the valve actuator may be set by activating the motor to a position determined by sensing the first cam profile by the non-contact sensor.
Claims8
A valve assembly comprising:
- a motor shaft driven by and directly coupled to a motor;
- a first cam with a profile and a second cam with a profile, each mounted to the motor shaft;
- a non-contact sensor proximate to the first cam sensing motion of the profile of the first cam;
- and
- a valve actuator rod following the profile of the second cam;
- wherein a selected position of the valve actuator may be set by activating the motor to a specific position determined by sensing motion of the profile of the first cam by the non-contact sensor.
3 more elements
Dependencies are inferred from the claim text.