Continuously variable transmission apparatus for automobile

Details Continuously variable transmission apparatus for automobile Continuously variable transmission apparatus for automobile

1985-03-11

1987-05-19

Herrmann, Allan D.

Machine element or mechanism

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

Preselected indexed position

74867, 192 0076, B60K 4112

Patent

active

046657738

ABSTRACT:
In a continuously variable transmission apparatus for a vehicle having a slip type clutch disposed between a drive shaft of an engine and an input shaft of a continuously variable transmission mechanism, a torque detecting device to detect torque of the engine, an engine speed detecting device to detect rotational speed of the engine, an output shaft speed detecting device to detect rotational speed of an output shaft of the slip type clutch, a vehicle speed detecting device to detect running speed of the vehicle, and an electronic control device to control the continuously variable transmission mechanism and the slip type clutch according to signals from the detecting devices are provided. The slip type clutch control device is controlled to give a reference amount of slip determined according to driving condition of the vehicle, and speed ratio of the continuously variable transmission mechanism is controlled to a value determined primarily on the basis of control signal of the slip type clutch.

REFERENCES:
patent: 2828642 (1958-04-01), Bernard
patent: 3335830 (1967-08-01), De Coye De Castelet
patent: 3896910 (1975-07-01), Audiffred et al.
patent: 4232561 (1980-11-01), Kashihara et al.
patent: 4401200 (1983-08-01), Heidemeyer et al.
patent: 4457411 (1984-07-01), Hiramatsu
patent: 4466311 (1984-08-01), Hiramatsu
patent: 4466521 (1984-08-01), Hattori et al.
patent: 4529072 (1985-07-01), Oguma et al.

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