Automatic transmission apparatus for vehicle

Details Automatic transmission apparatus for vehicle Automatic transmission apparatus for vehicle

1988-08-22

1991-06-25

Diehl, Dwight

Machine element or mechanism

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

Preselected indexed position

192 30W, 474 18, B60K 4102

Patent

active

050256866

ABSTRACT:
An automatic transmission apparatus for vehicles include a continuously variable transmission of belt type, and a control unit supplied with a plurality of data relating to a vehicle. The control unit computes output data on the basis of the input data, and generates control signals for changing a pulley width of the continuously variable transmission of belt type, for changing an effective diameter of the pulley and for substantially continuously controlling the transmission ratio on the basis of the output data. The control unit comprises a control signal generator for deciding whether the vehicle is started or not and for generating a control signal to temporarily narrow the pulley width when it is decided that the vehicle is started.

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