Hydrodynamic brakes

Details Hydrodynamic brakes Hydrodynamic brakes

1982-10-21

1983-10-25

Halvosa, George E. A.

Brakes

Internal-resistance motion retarder

Using a rotary-type fluid damper

60353, 192 323, F16D 5702

Patent

active

044113404

ABSTRACT:
A hydrodynamic brake is disclosed of a kind comprising a rotor bucket wheel and a stator bucket wheel in a housing and defining a torus-shaped working chamber and defining between them a bucket wheel gap. An outlet duct surrounds the perimeter of the rotor bucket wheel. A plurality of baffle type flow obstructions are provided about the periphery of the bucket wheel gap, and are movable into the bucket wheel gap and when the brake is not engaged. A small gap between the radially outermost part of the rotor bucket wheel and the housing is continuous with the outlet duct. A second duct connects the outlet duct and the space in which the baffle type flow obstructions are accommodated, thereby preventing unwanted movement of the flow obstructions into the bucket wheel gap while the brake is engaged.

REFERENCES:
patent: 3399747 (1968-09-01), Westwell et al.
patent: 4194600 (1980-03-01), Armasow et al.

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