Bell-mouth ports for pneumatic couplings using O-rings

Details Bell-mouth ports for pneumatic couplings using O-rings Bell-mouth ports for pneumatic couplings using O-rings

1982-06-07

1985-01-22

Chambers, A. Michael

Valves and valve actuation

With correlated flow path

Flow path joint interlocked with valve or actuator

251DIG1, 408223, F16L 3728

Patent

active

044947283

ABSTRACT:
O-rings, which are disposed within pneumatic couplings and which are recurrently moved past ports within those pneumatic couplings, tend to be abraded as they recurrently engage the changes of surface at the mouths of those ports. The present invention minimizes the abrading of the O-rings by providing the ports with bell mouths which merge smoothly into at least two spaced points on the surface of the body in which the ports are located.

REFERENCES:
patent: 1753935 (1930-04-01), Maisch
patent: 3106378 (1963-10-01), Hellstern
patent: 3106379 (1963-10-01), Sciuto et al.
patent: 3127149 (1964-03-01), Cruse
patent: 3140072 (1964-07-01), Sciuto, Jr.
patent: 3477688 (1969-11-01), Cruse
patent: 4277031 (1981-07-01), Moumaneix et al.

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