Transmission ratio control system for a continuously variable tr

Details Transmission ratio control system for a continuously variable tr Transmission ratio control system for a continuously variable tr

1990-12-21

1992-05-05

Braun, Leslie A.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

188181A, 192 123, 36442602, B60K 4126

Patent

active

051099624

ABSTRACT:
A belt drive continuously variable transmission has a drive pulley operatively connected to an engine and a driven pulley operatively connected to wheels of a motor vehicle, hydraulic cylinders for changing effective diameters of both pulleys, and a transmission ratio control valve for producing a primary pressure applied to the cylinder for controlling transmission ratio. An antilock brake system is provided on the vehicle. A memory is provided for storing a plurality of ABS desired transmission ratios for use during operation of the antilock brake system. During the operation of the antilock brake system, an ABS desired transmission ratio is derived from the memory. The transmission ratio is controlled with the ABS desired transmission ratio.

REFERENCES:
patent: 4039061 (1977-08-01), Pruvot et al.
patent: 5012910 (1991-05-01), Miyawaki

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