Direct drive autoshift transmission control

Details Direct drive autoshift transmission control Direct drive autoshift transmission control

1996-08-09

1997-06-03

Park, Collin W.

Boots, shoes, and leggings

74335, 477 81, B60K 4106

Patent

active

056361203

ABSTRACT:
An electronic autoshift control is provided for a transmission and engine to help reduce demands on the operator. Part of the autoshift feature is an auto/manual switch which is a two-position rocker switch controlled by the operator. The switch determines whether the transmission is being operated in the manual or the automatic mode. In the manual mode, all shifting is performed by the operator by moving the shift lever. Once in the automatic mode, the transmission controller takes over with the autoshift feature. When switched to the automatic mode, an auto/manual lamp is lit indicating the transmission's automatic mode of operation. The rocker switch also functions as a hold switch. If traction conditions are poor and the operator wants to stay in the present gear, the rocker switch can be toggled to the manual mode. This locks the transmission in its present gear and causes the auto/manual lamp to flash if the shift lever selection and the present transmission selection do not coincide. Once the operator is out of the poor conditions, the switch can be returned to auto thus resuming the autoshift functions.

REFERENCES:
patent: 4414863 (1983-11-01), Heino
patent: 4425620 (1984-01-01), Batcheller et al.
patent: 4631679 (1986-12-01), Klatt
patent: 5007299 (1991-04-01), Bulgrien
patent: 5050079 (1991-09-01), Steeby
patent: 5056376 (1991-10-01), Moroto et al.
patent: 5089962 (1992-02-01), Steeby
patent: 5393275 (1995-02-01), Okada et al.
patent: 5401223 (1995-03-01), White et al.
patent: 5415056 (1995-05-01), Tabata et al.

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