Control apparatus for oil pressure operated type transmission fo

Details Control apparatus for oil pressure operated type transmission fo Control apparatus for oil pressure operated type transmission fo

1982-07-19

1984-10-23

Krizmanich, George H.

Machine element or mechanism

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

Preselected indexed position

74867, 74871, 74878, B60K 4108

Patent

active

044781083

ABSTRACT:
A control apparatus for a vehicle transmission is provided which has at least two transmission trains, which includes a high speed transmission train and a low speed transmission train. The low speed transmission train includes a one-way clutch. Each of the transmission trains have a clutch therein. The control apparatus comprises a hydraulic circuit coupled to the clutch and a creep-preventer which is coupled to the hydraulic circuit for operating in response to the idling of the vehicle engine when the vehicle is stopped, and to make the one-way clutch inoperative to prevent transmission of power through the low speed transmission when the clutch of the high speed transmission is engaged, to thereby permit operation of the clutch of the low speed transmission train without the transmission of power therethrough.

REFERENCES:
Japanesse Unexamined U.M. Application SHO 54-139171.

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