Steam throttle valve

Details Steam throttle valve Steam throttle valve

1980-08-21

1981-07-14

Chiesa, Richard L.

Gas and liquid contact apparatus

Fluid distribution

Valved

122487, 261 64R, 261115, 261117, 261118, 261DIG13, B01F 304

Patent

active

042786193

ABSTRACT:
The steam throttle valve has a number of water injection ducts distributed around the valve axis within a thin-walled hollow member which extends around the valve axis. A thin-walled water supply duct in a bore in the valve casing cover supplies water to the hollow member. The member is annular and is retained between two assembled parts of the valve, namely the cover and a valve cage. Constructing the ducts in this way obviates thermal stress cracking near them.

REFERENCES:
patent: 1526041 (1925-02-01), Bancel
patent: 3219325 (1965-11-01), Brown
patent: 3220708 (1965-11-01), Matsui
patent: 3287001 (1966-11-01), Harris
patent: 3331590 (1967-07-01), Battenfeld et al.
patent: 3719524 (1973-03-01), Ripley et al.
patent: 3732851 (1973-05-01), Self
patent: 3981946 (1976-09-01), Soya et al.
patent: 4011287 (1977-03-01), Marley
patent: 4071586 (1978-01-01), Seger

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