Self aligning nozzle for a flapper valve

Details Self aligning nozzle for a flapper valve Self aligning nozzle for a flapper valve

1992-09-16

1993-05-04

Cohan, Alan

Fluid handling

Pressure modulating relays or followers

G05D 1618

Patent

active

052072401

ABSTRACT:
A self aligning nozzle for a flapper valve through which fluid at a controlled pressure is supplied to a servo system. The nozzle which is retained in a semi-spherical member and is adapted to be rotated about its axial center to maintain a face of an orifice in a perpendicular relationship with a face on a lever that moves about a pivot in response to an operational pressure differential in the servo system in a shut off position to prevent leakage into the servo system.

REFERENCES:
patent: 2450535 (1948-10-01), Watson
patent: 3174498 (1965-03-01), Joesting
patent: 3297044 (1967-01-01), Thorburn
patent: 3757639 (1973-09-01), Baum
patent: 4837697 (1989-06-01), Eisa
patent: 4928729 (1990-05-01), Hornby

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