(under subclass 386) Apparatus which include means to control the outflow from the accumulation thereof in response to an element sensing the level of the accumulated liquid.
(1) Note. A patent to be classified in this or indented subclass must claim control of the outflow. Level responsive valve control which may control either an inflow or outflow and claimed broadly is classified in later subclasses of this group.
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165+, for float operated discharge of liquid feed traps to boilers.
192+, for float operated discriminating outlets for liquids in diverse fluid containing pressure systems.
202, for float operated discriminating outlets for gas in diverse fluid containing pressure systems.
