Brakes – Internal-resistance motion retarder – Having a thrust member with a variable volume chamber
Patent
1976-11-08
1978-08-15
Halvosa, George E. A.
Brakes
Internal-resistance motion retarder
Having a thrust member with a variable volume chamber
188269, 188282, F16F 906, F16F 940
Patent
active
041065964
ABSTRACT:
A damper cylinder is partially filled with highly compressed gas and with operating fluid. A damping piston and connected rod portion are reciprocally movable in the cylinder operating fluid. A partition wall is fixedly mounted in the inner periphery of the cylinder and is interposed between the piston and a highly compressed gas chamber in the cylinder. The partition wall has valves opening in turn during the in and out movements of the damping piston and rod; the valve which opens during the outward movement of the working piston and rod having a closing force approximately equal to the product of such compressed gas and the effective cross-section of such outward movement valve.
REFERENCES:
patent: 3070191 (1962-12-01), Allinquant
patent: 3592302 (1971-07-01), Allinquant
patent: 3787019 (1974-01-01), Freitag
Firma August Bilstein
Halvosa George E. A.
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