Controller for vehicle transmission with auxiliary transmission

Details Controller for vehicle transmission with auxiliary transmission Controller for vehicle transmission with auxiliary transmission

1984-09-26

1987-10-06

Braun, Leslie

Machine element or mechanism

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

Preselected indexed position

74745, 74877, 192 0076, B60K 4106

Patent

active

046974750

ABSTRACT:
A controller for the hydraulic clutch of two speed auxiliary transmission connected in series with the main transmission and engine of a vehicle wherein the hydraulic clutch is applied for the higher speed drive and released for the lower speed drive which is through a one-way clutch that overruns in the higher speed drive operation. The controller is responsive to engine throttle opening to apply the hydraulic clutch for throttle openings below a predetermined amount to allow braking of the vehicle by the engine during deceleration rather than coasting by the overrunning of the one-way clutch.

REFERENCES:
patent: 2975656 (1961-03-01), Haverlender
patent: 3991634 (1976-11-01), Longshore
patent: 4294341 (1981-10-01), Swart
patent: 4319501 (1982-03-01), Sugimoto
patent: 4471437 (1984-09-01), Yoshino et al.
patent: 4497223 (1985-02-01), Marayama et al.
patent: 4501170 (1985-02-01), Muller et al.

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