Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1986-01-17
1987-04-07
Nilson, Robert G.
Fluid handling
Line condition change responsive valves
Direct response valves
251368, F16K 1504
Patent
active
046552472
ABSTRACT:
A ball-type check valve assembly for use in a fluid flow line includes a valve body having an inlet end and an outlet end, a ball retainer cup positioned within the valve body intermediate the inlet and the outlet end, the ball retainer cup having a passageway extending therethrough adapted to fluidly communicate the inlet passageway with the outlet passageway, spaced apart lug members attached to the valve body adapted to support said ball retainer cup, a plurality of fluid channels defined by the space between adjacent ones of the lug members to fluidly communicate the inlet passageway with the outlet passageway and being adapted to direct the flow of fluid received from the inlet passageway to a first location within the outlet passageway, a flexible skirt member having one end portion thereof abutting the ball retainer cup and extending therefrom to another end portion located at a second location within the outlet passageway between the first location and the outlet end, the flexible skirt member having a passageway extending therethrough which registers with the passageway extending through the ball retainer cup and adapted to permit fluid to flow from the channels into and through the outlet passageway, and a ball valve member adapted to be moved between the ball retainer cup and the inlet end.
REFERENCES:
patent: 1882314 (1932-10-01), Burt
patent: 3279545 (1966-10-01), Page
Lirette Brent J.
Westra Lubbert
Chromalloy American Corporation
Nilson Robert G.
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