Control system for automotive transmission arrangement including

192 clutches and power-stop control – Vortex-flow drive and clutch – With brake

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192 331, F16H 4502

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active

048816272

ABSTRACT:
In order to accurately detect an engine or prime mover entering an idling state the position and rate of movement of a control element (such as an engine throttle valve) which varies with the load or torque produced is monitored. If the rate of movement is found to be sequentially within two ranges, the second of which is narrower than the first, and the control element is close to its minimum torque indicative position, a control signal is issued to release a transmission lock-up clutch or the like device which is associated with the engine.

REFERENCES:
patent: 4456107 (1984-06-01), Ito et al.
patent: 4730709 (1988-03-01), Kawata et al.
patent: 4730712 (1988-03-01), Ohkumo
patent: 4760761 (1988-08-01), Nishikawa et al.
Nissan Automatic Transaxle Service Manual for the Re4R01A Type Transmission (published Mar. 1987; pp. I 28-I 29).

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