Bellows driver slot valve
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United States of America Patent
Stats
-
Nov 2, 1999
Grant Date -
N/A
app pub date -
Jul 14, 1997
filing date -
Jul 14, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A slot valve assembly (10) including a housing (11) having a central opening (19), a valve plate (32), a strongback (20) for carrying the valve plate, a pair of actuators (34, 36) for raising and lowering the strongback to position the valve plate over opening (19), and a second set of actuators (240) for moving valve plate (32) into seating engagement with housing (11). Second actuators (240) are in fluid communication with the working chambers (48, 50) of the first pair of actuators (34, 36). First actuators (34, 36) are located within housing (11) to give the housing a much shorter height.
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Cited Art Landscape
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