Interrelated power delivery controls – including engine control – Transmission control – Transmission controlled by engine
Patent
1996-11-18
1999-11-16
Marmor, Charles A
Interrelated power delivery controls, including engine control
Transmission control
Transmission controlled by engine
477117, F16H 6106
Patent
active
059848359
ABSTRACT:
An automatic transmission control system having a hydraulic control circuit for supplying operating pressure selectively to a plurality of friction coupling elements to place the transmission in desired gears includes a pressure generator for generating operating pressure and supplying it to specific coupling elements which operate in response to operating pressure at different highest levels and an accumulator having a spring loaded piston which provides an increase in operating pressure at a rate variable according to movement of the piston, the rate being greater for greater piston movement as compared with for smaller piston movement, the accumulator being brought into communication selectively with the specific coupling elements by means of a switching element.
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Doi Junichi
Kawa Takeyoshi
Sawazaki Tomoo
Shinozuka Hiroshi
Lund Scott
Marmor Charles A
Mazda Motor Corporation
Studebaker Donald R.
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