Retarder for rotating members

Details Retarder for rotating members Retarder for rotating members

1979-12-03

1982-01-12

Krizmanich, George H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 14, 192 18A, 188271, F16D 6700

Patent

active

043100805

ABSTRACT:
A ratarder for a power transmission shaft comprises a liquid immersed coupling between the shaft and a drag member, the drag member being normally entrained to rotate with the shaft by viscous drag in the coupling. A dry brake mechanism, having a frictional drag greater than that of the coupling, is provided to restrain the drag member for relative movement to take place in the coupling. In the embodiments shown, the coupling comprises a friction disc pack alternately connected to the shaft and the drag member, the brake mechanism firstly restraining the drag member and subsequently shifting it axially to engage the friction disc pack.
The coupling is suitable for use in heavy motor vehicle transmission systems.

REFERENCES:
patent: 3182776 (1965-05-01), Sommer
patent: 3696898 (1972-10-01), Sommer
patent: 3872954 (1975-03-01), Nordstrom et al.
patent: 3924715 (1975-12-01), Cory

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