Liquid-ring gas pump
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United States of America Patent
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-
Apr 7, 1998
Grant Date -
N/A
app pub date -
Oct 15, 1996
filing date -
Apr 20, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Liquid-ring gas pump with a working space containing an overhung impeller (17) and a connection casing (2) which is separated from the working space by a control plate (13). This casing contains, on one side of a hub space (11) suitable for the accommodation of a mechanical seal (12), an inlet space (5) and, on the other side, a discharge space (6). The discharge space is connected to the working space to allow the recirculation of recirculated liquid. The connection between the discharge space and the working space is passed via the hub space. The hole (19) connecting the discharge space to the hub space is expediently situated on an extension (18) of the discharge space (6), the said extension leading across to the side of the pump containing the inlet space.
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