Hydraulic retarder and control

Details Hydraulic retarder and control Hydraulic retarder and control

1989-12-14

1991-01-01

Reger, Duane A.

Brakes

Internal-resistance motion retarder

Using a rotary-type fluid damper

192 4B, 303 11, F16D 5706

Patent

active

049811983

ABSTRACT:
A hydraulic retarder has a control valve mechanism with a regulator valve for controlling the pressure of the fluid delivered to the retarder as a function of operator demand and an operating parameter of the retarder. The regulator valve has an opening pressure bias that is determined by a retarder signal valve which is responsive to an operator input and a closing pressure bias determined by the outlet pressure of the retarder.

REFERENCES:
patent: 3888335 (1975-06-01), Hanke
patent: 3931870 (1976-01-01), Memmer
patent: 3987874 (1976-10-01), Fuehrer et al.
patent: 4881625 (1989-11-01), Redelman

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