Liquid contact switch having plural compartments and electrical heater

摘要

An electrical switch of the liquid contact type having a housing divided into three compartments: (1) a power compartment having electrodes, (2) a control compartment containing a resistor and (3) an intermediate compartment communicating with the power compartment through a lower channel and communicating with the control compartment through an upper channel containing a wick. The wick prevents liquid flow but permits gaseous flow.