Electric space heating system

Abstract

Abstract A closed circuit heating system employing a liquid heated by electrical resistance elements and circulated between the tank and radiators. The liquid employed has a lower coefficient of expansion than water and also a lower freezing point than water. The tank is of cylindrical shape and horizontally disposed. The liquid inlet and outlet are located at the bottom and top of the tank respectively, midway between the ends of the tank and are in vertical register. At least one pair of electrical resistance elements extend within the tank substantially horizontally from the ends of the tank towards each other at substantially the same level above the bottom of the tank and terminating within the tank at substantially equal distance from the ends of the tank. Baffles are located in the tank opposite and spaced from the inlet and outlet, respectively, and located intermediate the same and the electrical resistance elements. The baffle located over the inlet directs the liquid towards the ends of the tank and the baffle located opposite the outlet prevents the liquid in the center zone of the tank from flowing directly towards the outlet. Thus, the liquid is caused to circulate in substantially two sets of symmetrical paths on both sides of the central zone of the tank between the inlet and the outlet without any preferential path in each set. The liquid comes in contact with the electrical elements at substantially uniform velocity over the entire length of said elements. Thus, the liquid is heated substantially uniformly during its passage in the tank.

Inventors

• 👤 Armand Pepin

Bibliographic Details