Engine throttle positioning apparatus

Details Engine throttle positioning apparatus Engine throttle positioning apparatus

1975-07-14

1976-09-28

Myhre, Charles J.

Internal-combustion engines

Poppet valve operating mechanism

Hydraulic system

123103R, 180109, 180108, 180105E, F02D 1108

Patent

active

039825094

ABSTRACT:
The throttle of a vehicle mounted engine is biased toward its closed position by a return spring, is linked to manual throttle positioning means through a lost motion spring having a greater spring constant than that of the return spring and is provided with a rigid link having a pair of spaced apart stops. The driven member of a clutch extends between the two stops to engage one or the other and override the manual throttle positioning means to position the throttle. Means are provided for generating a signal indicative of clutch driven member position; and an actuator is engaged with the clutch driving member to drive the driven member, when the driving and driven members are engaged, in response to the driven member position signal and an override signal. The vehicle has a brake system, means to generate a signal indicative of brake actuation and means to disengage the clutch driven and driving members upon receipt of the brake actuation signal.

REFERENCES:
patent: 2157652 (1939-05-01), Merriman
patent: 3189120 (1965-06-01), Bohl
patent: 3198280 (1965-08-01), Van Ostrom
patent: 3392799 (1968-07-01), Ishikawa
patent: 3485316 (1969-12-01), Slavin et al.
patent: 3727714 (1973-04-01), Ishikawa

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