Enhanced semi-automated mechanical transmission system

Details Enhanced semi-automated mechanical transmission system Enhanced semi-automated mechanical transmission system

1992-06-26

1993-11-16

Braun, Leslie A.

Machine element or mechanism

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

Preselected indexed position

74854, B60K 4106

Patent

active

052612988

ABSTRACT:
A control system (104)/method for semi-automatically executing manually or automatically selected upshifts and downshifts of a mechanical transmission system (10) is provided. The control system includes a central processing unit (106) for receiving input signals indicative of transmission input shaft (16) and output shaft (90) speeds, the throttle pedal position (THD) and from a driver control console (108) indicative of selection of upshifts or downshifts from a currently engaged gear ratio and processing the same in accordance with predetermined logic rule to issue command output signals to a transmission actuator (112, 70, 96) and to a fuel controller operator to implement a shift substantial synchronization of the transmission after manual initiation of the shift sequence by a manually caused torque break.

REFERENCES:
patent: 4361060 (1982-11-01), Smyth
patent: 4648290 (1987-03-01), Dunkley et al.
patent: 4991099 (1991-02-01), Markyvech et al.
patent: 5009128 (1991-04-01), Seidel et al.
patent: 5053959 (1991-10-01), Genise
patent: 5053961 (1991-10-01), Genise
patent: 5053962 (1991-10-01), Genise
patent: 5089962 (1992-02-01), Steeby
patent: 5097724 (1992-03-01), Braun

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