Motor vehicles – With means responsive to speed of vehicle for maintaining... – Including electrically actuated servomechanism
Patent
1980-09-25
1983-05-31
Peters, Jr., Joseph F.
Motor vehicles
With means responsive to speed of vehicle for maintaining...
Including electrically actuated servomechanism
123361, B60K 3100
Patent
active
043856756
ABSTRACT:
An actuator which forms part of speed control apparatus for controlling the forward speed of a vehicle, or the rotational speed of an engine, where it is desired to bring the speed control apparatus into operation at the discretion of the operator, has a reversible electric motor which receives a speed correction signal related to the difference between the actual speed and the desired speed. An electromagnetic clutch is provided which includes a rotor driven by the motor, and a clutch ring mounted via a spring from a pulley having a double-acting connection to the throttle lever of the engine. The clutch is energized on engagement of the speed control to bring the rotor and clutch ring into driving engagement, whereby the throttle lever is driven by the electric motor via the pulley and double-acting connection.
At any instant, the position of the clutch ring and pulley corresponds with that of the throttle lever. Therefore, as soon as the speed control is engaged, and the rotor and clutch ring are drivingly engaged, the throttle lever will be driven without delay by the reversible electric motor in accordance with the speed correction signal.
REFERENCES:
patent: 1604936 (1929-10-01), Tabb et al.
patent: 3580355 (1971-05-01), Osaka et al.
patent: 3727714 (1973-04-01), Ishikawa
patent: 4163432 (1979-08-01), Hertfelder
patent: 4237742 (1980-12-01), Barthruff
patent: 4287782 (1981-09-01), Ruschek
Associated Engineering Limited
Peters Jr. Joseph F.
Smith Milton L.
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