Flow regulating valve

Details Flow regulating valve Flow regulating valve

1996-03-29

1998-07-07

Ferensic, Denise L.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

251122, F16K 3112

Patent

active

057753695

ABSTRACT:
A flow regulating valve combines two throttle locations in a valve housing. One throttle location is always so adjusted that a constant differential pressure prevails across the other throttle location. Therefore at that second throttle location the through flow depends only on the degree of opening and not on the differential pressure. A cone of the second throttle location comprises at least two individual portions which are displaceable relative to each other and by the spacing of which the effective cross-section of the throttle location is variable. That provides a through-flow limiting effect which is not in the form of a stroke movement limitation. Therefore the full adjusting range is available for adjusting the flow. This flow regulating valve is suitable for controlling flows of liquids in heating solutions.

REFERENCES:
patent: 2623331 (1952-12-01), Greening
patent: 3428080 (1969-02-01), Brown
patent: 3470896 (1969-10-01), Werter
patent: 3476147 (1969-11-01), Hitt et al.
patent: 3656689 (1972-04-01), Budzich et al.
patent: 3699999 (1972-10-01), Dunkelis
patent: 3904167 (1975-09-01), Touch et al.
patent: 4114850 (1978-09-01), Alamprese
patent: 4256021 (1981-03-01), Graninger
patent: 5238219 (1993-08-01), Noelke et al.
patent: 5329966 (1994-07-01), Fenimore et al.

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