F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
251/90
F16K 1/00 (2006.01) F01D 17/14 (2006.01) F16K 47/04 (2006.01)
Patent
CA 1274233
ABSTRACT OF THE DISCLOSURE A control valve for a steam turbine having a toroidal shaped seat and a generally mushroom shaped plug with a frustoconical shaped portion so disposed in the dome of the mushroom shaped plug to mate with the toroidal seat, the frustoconical shaped portion having an included angle of approximately 68° and there being a sharp transition where the small diameter end of the frustoconical portion meets the top of the dome portion.
505937
Dawawala Suryakant K.
La Coste Bernard L.
Bereskin & Parr
Dawawala Suryakant K.
La Coste Bernard L.
Westinghouse Electric Corporation
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