Axicage multistage choke

Details Axicage multistage choke Axicage multistage choke

1991-09-18

1992-07-28

Cohan, Alan

Fluid handling

Systems

Multi-way valve unit

13762539, 251121, 251282, F16K 4704

Patent

active

051333830

ABSTRACT:
An axicage multistage choke (10) wherein fluid flow is caused to impinge upon itself at each stage. Fluid entering inlet (14) is distributed by primary annulus (32) around the interior of upper cage (30). Fluid enters upper cage port (36) and impinges on itself in axial chamber (37). Fluid leaves chamber (37) through stem slots (38) into secondary annulus (42). From secondary annulus (42) fluid passes through lower cage ports (46) into axial chamber (47), again impinging on itself and dissipating energy. Fluid leaves choke (10) through outlet (16). Additional stages maybe added depending on the flow rate or pressure drop desired in the valve.

REFERENCES:
patent: 2692614 (1954-10-01), McLeod
patent: 2747612 (1956-05-01), Lee
patent: 2854998 (1958-10-01), MacGlashan
patent: 3880399 (1975-04-01), Luthe

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