Multiple biscuit clutch or brake with circulated immersion cooli

Details Multiple biscuit clutch or brake with circulated immersion cooli Multiple biscuit clutch or brake with circulated immersion cooli

1984-05-29

1986-01-28

Scott, Samuel

192 clutches and power-stop control

Elements

Lubricating, insulating, or cooling

192 70, 192 7012, 192 85AB, 188264D, 188 716, F16D 1372, F16D 25063

Patent

active

045665796

ABSTRACT:
A multiple biscuit clutch or brake apparatus comprising an annular disc operably secured to a rotatable shaft and having a plurality of circumferentially spaced bores provided therein, a pair of complementary pistons slidably disposed in each bore in back-to-back relation and responsive to the application and withdrawal of pressure therebetween for reciprocation within the bore, an annular flange disposed on each side of the disc and outboard of the pistons for frictional engagement thereby upon axially outward movement of the pistons within the respective bores, the frictional engagement between the pistons and the flanges providing either a braking or clutching operation, and a housing encasing the disc and flanges to provide a chamber therearound, the housing being provided with inlet and outlet ports whereby a coolant may be introduced into the chamber and circulated around the disc and pistons and flanges for dissipating the heat generated by the frictional engagement of the pistons and flanges, the coolant being discharged from the chamber through the outlet ports for either recirculation in the system or discarded, as desired.

REFERENCES:
patent: 3237738 (1966-03-01), Suppes et al.
patent: 4335808 (1982-06-01), Johnson

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