Patent ID: 6705162
Filing Date: 2004-03-16
Classification: G01F

Abstract:
A probe assembly for monitoring the water level in a boiler with an electric immersion resistor heater for steam generation, comprising: a hollow body associated with and partially inserted in the boiler; at least one submersible, electricity powered sensor element for water level monitoring to be arranged inside the hollow body; a plug provided on an external portion of said hollow body which is arranged outside the boiler; an electrical power supply cable, a contact end whereof is arranged at said portion of hollow body that is arranged outside the boiler; at least one electrical contact; said plug axially supporting said at least one sensor element with an end of said at least one sensor element arranged at said plug being connected, upon installation of said plug, by way of said at least one electrical contact, to said electrical power supply cable, said electric contact being a sliding electric contact, said plus being rotatable, said sliding electric contact comprising a fixed portion to which said electrical power supply cable is connected, and said sliding electric contact comprising a sliding portion in electrical sliding contact with said fixed portion iron rotation of said plug.