Interrelated power delivery controls – including engine control – Transmission control – Engine controlled by transmission
Patent
1993-08-18
1995-03-28
Marmor, Charles A.
Interrelated power delivery controls, including engine control
Transmission control
Engine controlled by transmission
477906, 3644241, F16H 5946
Patent
active
054012236
ABSTRACT:
A control system for controlling automatic shifting of a manual/automatic transmission is disclosed including a cruise control system and an auto-shift mode for controlling automatic upshift and downshift operations between the top two gears of a heavy duty truck transmission. Certain failures of equipment or incorrect driving habits of operators are corrected for with algorithms which prevent undesirable operating conditions which compromise the acceptability of an electronically controlled heavy duty truck transmission equipped vehicle. The mechanism by which auto-shift operation of the transmission is requested is also compared with parameters such as vehicle speed and engine speed in order to determine whether gears should be engaged or disengaged, the gears being those subject to auto-shift control of the system controller.
REFERENCES:
patent: 5343780 (1994-09-01), McDaniel et al.
Johnson Edwin A.
Kleine Richard E.
Webber Larry R.
White Gregory R.
Cummins Electronics Company, Inc.
Durlacher James M.
Grabow Troy
Marmor Charles A.
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