Downcomer and flapper valve
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United States of America Patent
Stats
-
Jul 4, 1995
Grant Date -
N/A
app pub date -
Aug 3, 1994
filing date -
Aug 3, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A downcomer including a tubular member oriented vertically and extending downwardly from a fluidized grid and including a lower portion provided with an inclined opening formed at a first angle with respect to the tubular member, and a flapper valve including an upper portion and a lower portion formed at a second angle with respect to the upper valve portion, the upper portion of the flapper valve is mounted pivotally to the tubular member at a position to normally place the lower portion of the flapper valve in engagement with and closing the inclined opening.
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