Vibration resistant flapper and nozzle

Details Vibration resistant flapper and nozzle Vibration resistant flapper and nozzle

1977-12-12

1979-10-30

Cohan, Alan

Fluid handling

Pressure modulating relays or followers

137 85, 251 80, G05D 1600

Patent

active

041724640

ABSTRACT:
A pneumatic control instrument includes a nozzle-flapper system having improved dynamic response characteristics under vibrational conditions. A light-mass, compliant flapper having a high natural frequency covers the nozzle and serves to cushion the impact of the nozzle striking the flapper by moving at the same amplitude of vibration as the nozzle so as to precisely track the nozzle over a wide range of vibrational frequencies and amplitudes.

REFERENCES:
patent: 2980076 (1961-04-01), Machlan
patent: 3083722 (1963-04-01), Dalder
patent: 3861411 (1975-01-01), Mitchell

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