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U.S. Department of Energy
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Road and engine speed governor with linear actuator

Patent ·
OSTI ID:5407330
For use in an engine speed governor for an engine having a throttle moveable between an open throttle position and a close throttle position for regulating the flow of fuel to the engine, the governor described is of the type comprising an overriding throttle closing means, a control means responsive to engine speed for controlling the throttle closing means, a linear actuator including a linearly movable actuator member, a reversible electric motor, a control circuit having plural inputs and including means for controlling the energization and speed of the motor in accordance with selected position of the actuator member, drive means coupled between the motor and the actuator member for imparting reversible linear motion to the actuator member, the actuator member being connected with the overriding throttle limiting means for positioning it to limit the throttle opening, a switch plate disposed adjacent the actuator member and including plural fixed electrical contacts each of which is connected with one of the inputs of the control circuit, a movable electrical contact carried by the actuator member and being selectively engageable with the fixed contacts, and adjusting means for adjustable positioning the switch plate relative to the actuator member, whereby the movable contact engages a selected fixed contact in accordance with the position of the actuator member to control the motor.
Assignee:
Sturdy Truck Equipment, Inc., Wilmington, DE
Patent Number(s):
US 4604976
OSTI ID:
5407330
Country of Publication:
United States
Language:
English