US PATENT SUBCLASS 137 / 144
.~.~ With leakage or entrained air removal


Current as of: June, 1999
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137 /   HD   FLUID HANDLING

123  DF  SIPHONS {8}
142  DF  .~ With flow starting, stopping or maintaining means {7}
144.~.~ With leakage or entrained air removal


DEFINITION

Classification: 137/144

(under subclass 142) Apparatus having means for removing air which accumulates in the siphon while it is discharging liquid, such means comprising a positively acting eductor connected at one or more high points of a siphon and having either a separate or a line jet operated pumping means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

136+, for release of trapped air to start a siphon of the periodic type.

143, for siphon venting means which operate to reduce or stop the flow in the siphon.