192 clutches and power-stop control – Vortex-flow drive and clutch – With brake
Patent
1975-10-23
1977-05-17
Wyche, Benjamin W.
192 clutches and power-stop control
Vortex-flow drive and clutch
With brake
192 52, 192111A, 235 92CC, B60K 2902, F16D 1375
Patent
active
040236609
ABSTRACT:
In a follow-up servo system for the electrical control of a friction clutch of, say, a motor vehicle from the throttle control by way of an electro-mechanical actuator, with automatic take-up of the wear of the mating friction surfaces, whenever the clutch plate (i.e. the axially-movable part) is in its fully-engaged (FE) position with respect to the cooperating axially-fixed part a signal is repetitively derived to represent the corresponding just-touching (JT) position of the plate under the then conditions of wear. To this signal is added a signal from the throttle control within a range corresponding to the JT-FE range of the plate, thereby forming a demand signal corrected for wear. From a comparison of it with a measurement signal representing the actual position of the plate an error signal is derived for application to the actuator in the appropriate sense.
REFERENCES:
patent: 2180537 (1939-11-01), McCollum et al.
patent: 2880831 (1959-04-01), Maurice et al.
patent: 3132728 (1964-05-01), Chaptios
patent: 3823621 (1974-07-01), Kubo
Ferranti Limited
Wyche Benjamin W.
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