Vehicle speed responsive variable torque transmitting assembly

Details Vehicle speed responsive variable torque transmitting assembly Vehicle speed responsive variable torque transmitting assembly

1987-06-04

1990-06-12

Wright, Dirk

192 clutches and power-stop control

Clutches

Fluent material

475 84, 180248, F16D 3102

Patent

active

049325108

ABSTRACT:
A torque transmitting assembly comprises a first rotary element including internal cam surfaces, a second rotary element disposed in the first rotary element, the second rotary element including a rotor containing a plurality of radially outwardly opening pressure chambers facing the cam surfaces, and a hydraulic mechanism for transmitting a ratio of the input torque from one of the first rotary element and the second rotary element to the other in response to rotation speed of the second rotary element and also to differential rotation occurring between the first rotary element and the second rotary element. The hydraulic mechanism is rotatable with the second rotary element and includes pistons in the pressure chambers in engagement with the cam surfaces and reciprocable in response to the differential rotation, passages in fluid communication with the pressure chambers through which hydraulic fluid discharged from each of the pressure chambers on the discharge stroke of the associated one of the pistons, and a flow restrictor for restricting flow of the hydraulic fluid discharged from the pressure chambers.

REFERENCES:
patent: 1836684 (1931-12-01), Robbins
patent: 2440975 (1948-05-01), Robbins
patent: 2511518 (1950-06-01), Stephens
patent: 2595479 (1952-05-01), Nelson
patent: 2798580 (1957-07-01), Lenz
patent: 3198035 (1965-08-01), Mueller
patent: 3368425 (1968-02-01), Lewis
patent: 3577803 (1971-05-01), Mueller
patent: 3766804 (1973-10-01), Mori
patent: 3852998 (1974-12-01), Leeson
patent: 3854348 (1974-12-01), Stevenson
patent: 4518069 (1985-05-01), Elias

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