Method of controlling inching clutches

Details Method of controlling inching clutches Method of controlling inching clutches

1990-11-30

1992-04-07

Bonck, Rodney H.

192 clutches and power-stop control

Transmission control and clutch control

Interrelated

192109F, 3644241, B60K 4122

Patent

active

051019434

ABSTRACT:
A method of controlling an inching clutch in response to movement of an inching clutch pedal between up and down positions in a power shift transmission comprises, for clutch pedal positions below a limiting position, applying to the clutch a control signal which is non-linearly dependent upon the position of the pedal and, for clutch pedal positions above the limiting position, applying to the clutch a control signal which linearly increases with time and is entirely independent of clutch pedal position. Within one range of clutch pedal positions below the limiting position, the magnitude of the control signal applied to the clutch is constant when a high gear speed ratio has been selected, and varies linearly with the clutch pedal position when a low gear speed ratio has been selected. Within a range of pedal positions adjacent the fully down position, the control signal remains constant regardless of the position of the pedal.

REFERENCES:
patent: 3946760 (1976-03-01), Murakami et al.
patent: 4086994 (1978-05-01), Hirosawa et al.
patent: 4865176 (1989-09-01), Blake et al.
patent: 4871048 (1989-10-01), Chatterjea

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