Viscous coupling

Details Viscous coupling Viscous coupling

1991-03-14

1992-11-10

Lorence, Richard

192 clutches and power-stop control

Clutches

Plural clutch-assemblage

192 57, 192 58B, 192 7014, F16D 4706, F16D 3500

Patent

active

051616580

ABSTRACT:
A novel viscous coupling for transmitting rotary torque via a viscous fluid has first and second torque transmission members, a working chamber hermetically packed with a viscous fluid, and first and second plates alternately disposed in the working chamber. The transmission of rotary torque between the first and second transmission members is carried out via viscous resistance of the viscous fluid between the first and second plates. The aforesaid viscous coupling is characterized by providing with a multi-plate clutch to adjust transmission power of the rotary torque between at least one of the plates and the torque transmission members. The coupling includes an externally operable engaging means for fastening the multi-plate clutch by pressing clutch plates of the multi-plate clutch. Also, the coupling has passages for leading the viscous fluid to contact portions between the clutch plates and the plates.

REFERENCES:
patent: 4726455 (1988-02-01), East
patent: 4885957 (1989-12-01), Taureg et al.
patent: 4899859 (1990-12-01), Teraoka
patent: 5080210 (1992-01-01), Hagiwara

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