Fluid handling – Systems – Multi-way valve unit
Patent
1989-08-24
1991-05-07
Hepperle, Stephen M.
Fluid handling
Systems
Multi-way valve unit
1376254, 137896, F16K 1107
Patent
active
050128418
ABSTRACT:
Pressure reduction and conditioning valve for simultaneously reducing the pressure and temperature of steam. The invention comprises a valve body divided into first and second chambers, the first chamber having an inlet port for the introduction of superheated steam under high pressure into said conditioning valve and the second chamber having an outlet port for expelling desuperheated and depressurized steam out of said conditioning valve; an annular seat affixed to the interior of said valve between said first and second chambers; a hollow cylindrical cage slidably coupled with said seat, said cage permitting the flow of steam between said first and second chambers when said cage is in a first position and permitting a controlled leakage of steam when said cage is in a second position; and water stem means coupled to said cage for adjusting said cage between said first and second positions, said stem means having an outlet for injecting desuperheating water into said second chamber to be mixed with said steam.
REFERENCES:
patent: 2354842 (1944-08-01), Spence
patent: 3050262 (1962-08-01), Curtis
patent: 3220708 (1965-11-01), Matsui
patent: 3318321 (1967-05-01), Odendahl
patent: 3331590 (1978-07-01), Battenfeld et al.
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patent: 4397331 (1983-08-01), Medlar
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patent: 4505865 (1985-03-01), Wullenkord
patent: 4718456 (1988-01-01), Schoonover
patent: 4739795 (1988-04-01), Ewbank et al.
"SteamForm" Conditioning Valves, Yarway Corporation, 1981.
"Copes-Vulcon", SA-35 Steam Atomizing Desuperheater, White Consolidated Industries (1977).
Celmet High Porosity Metal, Sumitomo Electric Industries, Ltd.
Hepperle Stephen M.
Keystone International Holdings Corp.
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