Front cover for a torque converter and method of processing the

Details Front cover for a torque converter and method of processing the Front cover for a torque converter and method of processing the

1982-02-05

1985-04-23

Krizmanich, George H.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

72124, F16H 4502, F16D 312

Patent

active

045124493

ABSTRACT:
A front cover affixed to the pump impeller of a torque converter, provided with a flat annular flat annular surface to be engaged with the clutch disk of a direct-coupling clutch formed within the torque converter.
The flat annular surface is formed in a flat and annular surface having a hard and compact metallographic structure by rolling a rolling tool made of a extremely hard material on the flat annular surface under a pressure and by thus causing plastic deformation of the flat annular surface. An intermediate part of an arcuate section of a small radius is formed between the periphery of said flat annular surface and a connecting part adjacent to the flat annular surface.

REFERENCES:
patent: 2254289 (1941-09-01), Jensen
patent: 2294324 (1942-08-01), Wilkens et al.
patent: 4353444 (1982-10-01), Bionaz
patent: 4422538 (1983-12-01), Krumm

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