Valves and valve actuation – Electrically actuated valve – Rotary electric actuator
Patent
1999-01-29
2000-06-06
Lee, Kevin
Valves and valve actuation
Electrically actuated valve
Rotary electric actuator
2512495, 123396, F16K 122, F02D 908
Patent
active
060708522
ABSTRACT:
An electronic throttle control system having a housing with a motor, throttle valve, gear mechanism, and fail-safe mechanism. A spring member attached to a gear member and default lever, and which is biased when the throttle valve is in its fully open and closed positions, operates to open the throttle valve in the event of an electric failure, thus allowing the vehicle to limp home. The spring member, default lever and associated gear member are interfit together as a group and inserted in the housing as a subassembly, thus improving assembly time and expense.
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Evans Bryan
McDonnell Alex
Price Gene
Semeyn Mark Warner
Ford Motor Company
Lee Kevin
McCoy-Pfau Rhonda L.
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