Fluid control

Details Fluid control Fluid control

2006-12-12

2006-12-12

Fox, John (Department: 3753)

Valves and valve actuation

With material guide or restrictor

Movable or resilient guide or restrictor

C137S606000, C137S625330, C138S046000, C251S343000

Reexamination Certificate

active

07147203

ABSTRACT:
Fluid control apparatus and method of controlling fluid flow. The fluid control apparatus comprises an elongate tube having a first flow opening at an end of the tube and at least one second flow opening along the length of the tube, and a sleeve arranged to slide along said tube during fluid-flow conditions. A gap is present between the tube and the sleeve to allow some fluid to pass through the gap to displace the sleeve from the tube and to allow some flow even when in a fully closed condition. A sleeve positioning device is arranged to adjust the position of the sleeve and thereby control the fluid-flow.

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patent: 512023 (1930-11-01), None
patent: 0 714 004 (1996-05-01), None

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