Abnormality treatment device for automatic transmission control

Details Abnormality treatment device for automatic transmission control Abnormality treatment device for automatic transmission control

1980-09-23

1983-07-19

Herrmann, Allan D.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

74867, B60K 4116, F16H 564

Patent

active

043937322

ABSTRACT:
An abnormality treatment device for an automatic transmission control device according to the invention comprises in input portions of signals from an engine load sensor, a vehicle speed sensor and a pressure sensor, abnormal value detection circuits for detecting any abnormal value of at least one of the signals from the sensors to generate an abnormality detection signal, and a speed range selection judgement circuit and a hydraulic control judgement circuit for generating respective abnormality treatment signals when receiving the abnormal detection signal, thereby maintaining a predetermined speed range and a predetermined high line pressure.

REFERENCES:
patent: 3893472 (1975-07-01), Schuster
patent: 3943799 (1976-03-01), Sakai et al.
patent: 4233860 (1980-11-01), Kadelbach
patent: 4253348 (1981-03-01), Will
patent: 4365526 (1982-12-01), Suga et al.

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