Transmission throttle-valve linkage for vehicle traction control

Details Transmission throttle-valve linkage for vehicle traction control Transmission throttle-valve linkage for vehicle traction control

1989-06-13

1990-11-13

Braun, Leslie A.

Machine element or mechanism

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

Preselected indexed position

74865, 74877, 123396, F02D 3500

Patent

active

049693778

ABSTRACT:
A transmission throttle valve linkage assembly (15) interconnects an engine throttle motor (M) and a transmission throttle valve (TV) to provide a synchronous interconnection between the two when the hydraulic pressure operating on the throttle valve (TV) is above a predetermined level but which allows for independent operation between the two when the hydraulic pressure is below the predetermined level. The transmission throttle valve linkage assembly (15) has a first linkage member (22) operatively connected to the engine throttle motor (M) and a second linkage member (24) operatively connected to the valve operating mechanism (48) so as to control, or be controlled by, the position of a plunger (50) within the throttle valve (TV). The linkage members (22, 24) move synchronously when the transmission throttle valve (TV) pressure is above a predetermined level and move independently when the pressure is below that predetermined level.

REFERENCES:
patent: 3343858 (1967-09-01), Rice
patent: 3785224 (1974-01-01), Will
patent: 3941143 (1976-03-01), Iijima
patent: 3958542 (1976-05-01), Tanner
patent: 4274305 (1981-06-01), Roushdy
patent: 4337743 (1982-07-01), Mattson
patent: 4389910 (1983-06-01), Lockhart
patent: 4541052 (1985-09-01), McCulloch
patent: 4711140 (1987-12-01), Younger
patent: 4747461 (1988-05-01), Hayn et al.
patent: 4785691 (1988-11-01), Paperhagen et al.
patent: 4834044 (1989-05-01), Maas
patent: 4860848 (1989-08-01), Barth et al.

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