Lock-up control system for a lock-up type automatic transmission

Details Lock-up control system for a lock-up type automatic transmission Lock-up control system for a lock-up type automatic transmission

1981-06-08

1984-07-03

Kirzmanich, George H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 0092, 192 331, 192 358, 74866, 74731, B60K 4128

Patent

active

044574100

ABSTRACT:
The lock-up control system functions to temporally release lock-up operation of a torque converter of the transmission upon occurrence of a gear shift signal even if the automotive vehicle is operating within lock-up range. A plurality of gear shifting detectors are provided, each generating a gear shift signal when triggered. Gate means function to select one of said plurality of gear shifting detectors in response to engine load for allowing transmission of a gear shifting command to a selected gear shifting detector. Delay means are provided to retard transmission of the gear shifting command to the plurality of gear shifting detectors in such a manner that a delay between the occurrence of the gear shifting command and the occurrence of the gear shift signal increases as the engine load decreases.

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