Ratio control system for continuously variable transmission

Details Ratio control system for continuously variable transmission Ratio control system for continuously variable transmission

1987-11-16

1990-01-02

Diehl, Dwight G.

Machine element or mechanism

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

Preselected indexed position

74860, B60K 4112

Patent

active

048905160

ABSTRACT:
In order to prevent unnecessary variations in reduction ratio during cyclic depression and release of an accelerator pedal, there is provided a non-linear control element in a control unit for varying a reduction ratio of the continuously variable transmission. The non-linear control element provides a hysteresis between an engine power demand variable with the accelerator pedal and the reduction ratio.

REFERENCES:
patent: 4543077 (1985-09-01), Yamamuro et al.
patent: 4597308 (1986-07-01), Tanaka et al.
patent: 4627311 (1986-12-01), Yokooku et al.
patent: 4637279 (1987-01-01), Itoh et al.
patent: 4656587 (1987-04-01), Osanai et al.
patent: 4727771 (1988-03-01), Niwa et al.
patent: 4735112 (1988-04-01), Osanai et al.
patent: 4735113 (1988-04-01), Yamamuro et al.
patent: 4735114 (1988-04-01), Satoh et al.
patent: 4753133 (1988-06-01), Itoh et al.

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