System for casting a metal article
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 24, 2004
Grant Date -
May 1, 2003
app pub date -
Dec 3, 2002
filing date -
May 11, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The fluidized bed is formed of particulate material suspended in a flow of gas. A flow of particulate suspended in gas is conducted between a lower end portion of the fluidized bed and an upper end portion of the fluidized bed to cool the upper end portion of the fluidized bed. The flow of particulate suspended in gas may be conducted from a lower end portion of the fluidized bed to an upper end portion of a fluidized bed. Alternatively, the flow of particulate suspended in gas may be conducted from the upper end portion of the fluidized bed to the lower end portion of the fluidized bed. If desired, the flow of particulate suspended in gas may be conducted to the upper end portion of the fluidized bed from a location spaced from the fluidized bed.
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