Interrelated power delivery controls – including engine control – Transmission control – Transmission controlled by engine
Patent
1993-09-27
1995-10-24
Lorence, Richard M.
Interrelated power delivery controls, including engine control
Transmission control
Transmission controlled by engine
477148, 477155, F16H 6108
Patent
active
054605830
ABSTRACT:
An automatic transmission shift control system calibrates a locking speed, which is regulated by a regulating valve and at which locking of a specific frictional element is performed so as to shift an transmission gear mechanism to a specific gear, in accordance with a deviation of an input speed of rotation to the transmission from a specified input speed of rotation while shifting the transmission to the specific gear. The system further varies the calibration according to a transitional period of time which is defined from a completion of shifting to a preceding gear from which the transmission is shifted directly to the specific gear to a commencement of shifting to the specific gear subsequently to the shifting to the preceding gear.
REFERENCES:
patent: 3823621 (1974-07-01), Kubo et al.
patent: 4709596 (1987-12-01), Boda et al.
Abe Mitsutoshi
Kitada Masahito
Lorence Richard M.
Mazda Motor Corporation
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