Closure for controlling the flow of a hot fluid

Details Closure for controlling the flow of a hot fluid Closure for controlling the flow of a hot fluid

1986-01-14

1987-05-19

Michalsky, Gerald A.

Valves and valve actuation

Reciprocating valve

Gate

126285A, F16K 300

Patent

active

046662707

ABSTRACT:
An apparatus is disclosed for controlling the flow of a hot fluid. The apparatus includes a closure member for sliding between a closed position and an open position. The closure member has a hot section defined by the portion of the closure which is subject to impingement of hot fluid when the closure member is in the closed position and a cold section disposed outside the fluid passageway and not subject to impingement of hot fluids. The cold section includes at least one cleft which facilitates expansion of the cold section in response to expansion of the hot section due to heating by impingement of hot fluid on the hot section. This, in turn, relieves stresses and reduces the extent of distortion of the closure member.

REFERENCES:
patent: 1643766 (1927-09-01), Fahrenwald
patent: 1678342 (1928-07-01), Kling et al.
patent: 1734450 (1929-11-01), Smith
patent: 1798460 (1931-03-01), Fahrenwald
patent: 1932243 (1933-10-01), Clark
patent: 1934928 (1933-11-01), Jackson
patent: 1991016 (1935-02-01), Fahrenwald
patent: 1995845 (1935-03-01), Flintermann
patent: 3228605 (1966-01-01), Diermayer et al.
patent: 4351361 (1982-09-01), Worley
patent: 4493311 (1985-01-01), Bachmann

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