Hydraulic rotation damper

Details Hydraulic rotation damper Hydraulic rotation damper

1986-07-18

1988-01-05

Halvosa, George E. A.

Brakes

Internal-resistance motion retarder

Having a thrust member with a variable volume chamber

16 58, 92122, 192 58A, F16F 914

Patent

active

047169966

ABSTRACT:
An hydraulic rotation damper comprises a bearing housing with inner stator vanes and a rotor with rotor vanes, the rotor being arranged on a carrier arm journal which is mounted in bearings in the bearing housing with the stator vanes and the rotor vanes forming working chambers. At least one damping valve is provided for transferring working medium from pressure-loaded working chambers into unloaded working chambers. Further, the working chambers are closed at both ends by end walls containing valve-controlled passages leading into annular gaps which are separated by the end walls from the working chambers. This permits pressure medium at a pressure corresponding to the working pressure in the respective working chambers to be fed to the annular gaps where the pressure medium applies pressure to the outer surfaces of the end walls of the working chambers to prevent axial displacement of those walls.

REFERENCES:
patent: 1940871 (1933-12-01), Logan
patent: 2419651 (1947-04-01), Magrum
patent: 3237728 (1966-03-01), Rumsey
patent: 3385408 (1968-05-01), Manning

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