.~ 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.