Sealing arrangement for a torque converter vane damper

Details Sealing arrangement for a torque converter vane damper Sealing arrangement for a torque converter vane damper

1992-10-29

1993-08-31

Stodola, Daniel P.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Fluid coupling

Including multiple piston-cylinder devices radially spaced...

192 329, 1921061, 464 58, F16D 380

Patent

active

052404579

ABSTRACT:
A torsional isolator assembly for reducing driveline torsionals includes a vane damper (36) having valving (40d,40e or 161,163) and chamfers (200,201) on pistons (60 or 160). These chamfers (200,201) aid in forming a seal between a surface (42d or 142d) by creating a hydrodynamic film that biases the piston (60 or 160) toward the housing surface (42d or 142d).

REFERENCES:
patent: 4768637 (1988-09-01), Bopp et al.
patent: 5078648 (1992-01-01), Stretch
patent: 5078649 (1992-01-01), Leichliter et al.
patent: 5085617 (1992-02-01), Stretch

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