192 clutches and power-stop control – Vortex-flow drive and clutch – With brake
Patent
1975-10-28
1977-05-24
Wyche, Benjamin W.
192 clutches and power-stop control
Vortex-flow drive and clutch
With brake
188170, 192 86, 192 91A, F16D 6516
Patent
active
040249360
ABSTRACT:
A vehicle service and parking brake of the multiple oil disc configuration is included in the transmission housing of the vehicle. A plurality of interleaved braking discs arranged circumferentially about the output shaft of the transmission with one disc associated with the output shaft while the next adjacent disc is associated with the transmission housing forms the braking element. Brake applicator, movable in a first direction to cause the interleaved braking discs to come together in braking relation one with another and movable in a second direction to allow the braking discs to separate, is urged in the first direction by resilient means. The brakes are released by pneumatic means urging the brake applicator in the second opposite direction. Pneumatic service brake actuator is provided and is selectively operable to act in cooperation with the resilient means to urge the brake applicator in the first direction to apply the vehicle service brakes. Mechanical means are also provided to disengage the braking discs while no air pressure is available in the vehicle.
REFERENCES:
patent: 3132724 (1964-05-01), Ansteth
patent: 3212357 (1965-10-01), Knowles et al.
patent: 3680666 (1972-08-01), Sommer
patent: 3893549 (1975-07-01), Bennett
patent: 3893556 (1975-07-01), Lech et al.
patent: 3927737 (1975-12-01), Prillinger et al.
patent: 3946837 (1976-03-01), Houser
Caterpillar Tractor Co.
Wyche Benjamin W.
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