192 clutches and power-stop control – Clutches – Fluent material and mechanical
Patent
1990-02-02
1991-05-07
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Fluent material and mechanical
192 58B, 192 85AA, 192103F, F16D 25063, F16D 2502, F16D 43284
Patent
active
050129082
ABSTRACT:
A control coupling for torque transmission between a pair of rotary members coaxially arranged for relative rotation, which includes a cylindrical casing mounted on one of the rotary members for rotation therewith, a friction clutch assembled within the casing, a piston axially slidably coupled within the casing for rotation therewith and being in engagement with the friction clutch, an end wall member coupled with the casing for rotation therewith and spaced from the piston to form a fluid chamber filled with an amount of viscous fluid, and a rotor disposed in the fluid chamber and mounted on the other rotary member for rotation therewith. The rotor has a plurality of radial blades extending radially outwardly therefrom and being disposed between the piston and the end wall member. The radial plates each have a base portion thickened in an axial direction to increase the amount of viscous fluid stored in the fluid chamber and an outer end portion formed thinner than the base portion, and each internal surface of the piston and end wall member exposed to the fluid chamber is formed to correspond with the opposite surfaces of the radial blade.
REFERENCES:
patent: 1415841 (1922-05-01), Seitz
patent: 1861080 (1932-05-01), Chorlton
patent: 1880616 (1932-10-01), White
patent: 3762241 (1973-10-01), Roper
patent: 4058027 (1977-11-01), Webb
patent: 4503952 (1985-03-01), Hesse
patent: 4905808 (1990-03-01), Tomita et al.
patent: 4921061 (1990-05-01), Asano
Ashida Satoshi
Inui Masaki
Kobayashi Katsuyuki
Nakamura Keiichi
Yamamoto Masaji
Bonck Rodney H.
Toyoda Koki Kabushiki Kaisha
Toyota Jidosha & Kabushiki Kaisha
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