Torsional vibration damping device of torque converter

Details Torsional vibration damping device of torque converter Torsional vibration damping device of torque converter

1994-07-14

1996-05-07

Lorence, Richard M.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

192 554, 192208, 464 24, F16H 4502, F16D 380

Patent

active

055137318

ABSTRACT:
A torsional vibration damping device is disposed between an input front cover and a torque converter body for damping torsional vibration transmitted to an output member from an input member. The device includes a pair of side plates 20 and 21, a pair of cases 22 and 23. and a slider 25. The pair of side plates 20 and 21 are coupled together but spaced apart from one another and define an annular chamber therebetween. A piston 11 is coupled to the plates for axial movement but restricted from movement in a radial direction with respect to the plates. The pair of cases 22 and 23 is disposed between the side plates 20 and 21 within the annular chamber defining an arcuate chamber 24. The slider 25 is connectable to a driven plate 12 and is slidably disposed in the fluid chamber 24. Thee outer surfaces of the slider and tile inner surfaces of the fluid chamber 24 define a choke which restricts tile flow of fluid around the slider as it moves within the chamber. The cases 22 and 23 have overlapping portions which are pressed against each other by the pressure of tile fluid created Inside of the fluid chamber 24 in its radially outer portion.

REFERENCES:
patent: 4565273 (1986-01-01), Tojima et al.
patent: 5180044 (1993-01-01), Fukushima et al.
patent: 5240457 (1993-08-01), Leichliter et al.
patent: 5355747 (1994-10-01), Kajitani et al.
patent: 5386896 (1995-02-01), Matsuoka

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