Reduced cost viscous coupling by-pass element for a torque conve

Details Reduced cost viscous coupling by-pass element for a torque conve Reduced cost viscous coupling by-pass element for a torque conve

1992-03-18

1992-12-22

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

29434, 298895, 192 58B, 192109F, 464 24, F16H 4502, F16D 3500, F16D 4706

Patent

active

051727960

ABSTRACT:
A viscous coupling (11) is disclosed of the type used as a by-pass element is a torque converter assembly (T) including a torque converter housing (H) and an output shaft (S). The coupling includes a body member (13), a cover member (15), and an annular clutch assembly (19). The clutch assembly includes a pair of clutch plates (53 and 57), splined to a mounting portion (37), and the coupling housing includes a housing plate (59), disposed between the clutch plates. The housing plate (59) has an outer portion (61) which is fixed between the body and cover members. Also disclosed is an assembly and fluid fill method which eliminates the need for fill holes and plugs or balls being pressed into the fill holes. The disclosed coupling requires substantially less machining than prior art viscous coupling, and therefore, has substantially reduced manufacturing cost.

REFERENCES:
patent: 4172510 (1979-10-01), Forkel
patent: 4317510 (1982-03-01), Staub
patent: 4423803 (1984-01-01), Malloy
patent: 4462492 (1984-07-01), Mueller
patent: 4576259 (1986-03-01), Bopp
patent: 4840262 (1989-06-01), Herrmann
patent: 4874074 (1989-10-01), Damon et al.
patent: 4936434 (1990-06-01), Clancey
patent: 4962838 (1990-10-01), Clancey
patent: 4963119 (1990-10-01), Graton

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