Patent ID: 11898654

Abstract:
A heating cartridge with a thermally conductive tube which can be immersed in a thermodilatable material of a thermostatic member. Having a cylindrical body extending axially via a flare; internal electric heating; a base of a plastic material, secured to the tube by overmolding the flare, supporting an electrical connection between the heater and an external current source, and is suitable to be received in a casing of the valve housing. A seal is attached to the base and has a first portion pressed radially against the housing in the casing so as to seal the interior of the casing. In order to improve the sealing of said cartridge, the seal also includes a second portion, which is separate from the first portion and which is pressed radially against the cylindrical body of the tube to seal the overmolding interface between the flare of the tube and the base.