| abstract |
An electronic immersion heater includes a tube closed at one end that contains in succession from its bottom to its open end: a heating element, an electronic circuit board with the corresponding support and with a temperature sensor, and a hermetic plug. The electronic heater is characterized in that the sensor is pushed into direct or indirect contact with the tube by means of a single helical spring, which furthermore simultaneously acts as a spacer and as an electrical contact, without conventional rheophores, between the temperature sensor and the electronic circuit board. |