Force ratio control of continuously variable transmissions

Details Force ratio control of continuously variable transmissions Force ratio control of continuously variable transmissions

1991-10-16

1993-02-02

Braun, Leslie A.

Machine element or mechanism

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

Preselected indexed position

74861, 474 17, 474 18, 474 70, F16H 5556

Patent

active

051829681

ABSTRACT:
A control arrangement for a continuously variable transmission utilizes a lationship between force ratio, speed ratio and the factor of safety to determine the force necessary on the secondary sheave to prevent belt slippage. The control system improves the efficiency of the transmission by reducing the excess clamping force between the CVT chain-belt and the secondary pulley sheave.

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patent: 4846019 (1989-07-01), Kumura
patent: 4881925 (1989-11-01), Hattori
patent: 5045028 (1991-09-01), Rattunde et al.

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