Safety valve with vibration-damped valve spring

Details Safety valve with vibration-damped valve spring Safety valve with vibration-damped valve spring

1980-08-12

1982-11-09

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

137522, 137529, F16K 1506

Patent

active

043579566

ABSTRACT:
A spring-loaded safety valve has a housing with inlet and outlet, a valve member mobile between open and closed positions, a valve spring urging the valve member to the closed position and having a tendency to vibrate during the operation of the valve, and vibration-disturbing element for damping the vibrations of the valve spring during the operation of the valve. The vibration-disturbing element may be formed as a damping load or a damping spring which urges a valve spindle in direction of opening of the valve.

REFERENCES:
patent: 103062 (1870-05-01), Lynde
patent: 206589 (1878-07-01), Lunkenheimer
patent: 2517858 (1950-08-01), Farris
patent: 3289686 (1966-12-01), Tyer
patent: 3543777 (1970-12-01), Howes
patent: 3848632 (1974-11-01), Powell
patent: 4064906 (1977-12-01), Berg

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