Fluid handling – With heating or cooling of the system – Circulating fluid in heat exchange relationship
Patent
1984-10-15
1986-04-22
Chambers, A. Michael
Fluid handling
With heating or cooling of the system
Circulating fluid in heat exchange relationship
137375, 251315, F16K 4900, F16L 700
Patent
active
045835705
ABSTRACT:
Apparatus for controlling the flow of a hot material, such as gases emanating from a coal gasification plant, in which a ball is rotatable in a housing having a passage therethrough. Rotation of the valve aligns a passage in the valve with the passage in the housing to permit the passage of fluids through the assembly. Conversely, counterrotation of the ball closes the valve to the passage of fluids. Both the housing and ball are provided with channels for the passage of a cooling fluid therethrough, which prevents destruction of rubber seals, reduces erosion by abrasive materials in the gases, and reduces the thermal distortion which results in poor sealing characteristics.
REFERENCES:
patent: 2331465 (1943-10-01), Fox
patent: 3213876 (1965-10-01), Monton
patent: 3266517 (1966-08-01), Carr
patent: 3901269 (1975-08-01), Henderson
patent: 4195655 (1980-04-01), Augsberger et al.
patent: 4292992 (1981-10-01), Bhide
Chambers A. Michael
Foster Wheeler Energy Corporation
Kice Warren B.
Naigur Marvin A.
Wilson John E.
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