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Class Information
Number: 137/139
Name: Fluid handling > Siphons > Periodic or accumulation responsive discharge > Release of trapped air > Through liquid trap seal > Auxiliary liquid trap seal
Description: Apparatus in which the air releasing seal comprises a second liquid trap seal in addition to the air trapping seal necessarily present at the discharge end of the siphon element.

Patents under this class:

Patent Number Title Of Patent Date Issued
5898375 Siphon alarm and restarting mechanism Apr. 27, 1999
4625752 Flushing siphon Dec. 2, 1986
4586527 Gas-plug type valve May. 6, 1986
4319601 Trigger mechanism for siphon apparatus Mar. 16, 1982
4249559 Reliable trap filling device for siphon apparatus Feb. 10, 1981
4181142 Siphon apparatus Jan. 1, 1980
3972966 Apparatus for producing pulsed liquid flow in a distillation column Aug. 3, 1976

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