Method of controlling speed reduction ratio in a continuously va

Details Method of controlling speed reduction ratio in a continuously va Method of controlling speed reduction ratio in a continuously va

1990-06-13

1992-04-07

Braun, Leslie A.

Machine element or mechanism

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

Preselected indexed position

3644241, 474 28, F16H 5924, F16H 5944

Patent

active

051016893

ABSTRACT:
A method of controlling speed reduction ratio in a continuously variable speed transmission comprises the steps of setting a prescribed parameter corresponding an accelerator opening which is opened to a certain extent from a fully closed condition setting a reference engine speed corresponding to a parameter which represents a driver's intention of acceleration so as to increase as said parameter increase from said prescribed parameter when said parameter is in a range higher than said prescribed parameter setting said reference engine speed so as to increase as said parameter decreases from said prescribed parameter when said parameter is in a range lower than said prescribed parameter, and controlling said speed reduction ratio so that the engine speed coincides with said reference engine speed.

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