Patent ID: 8822892
Filing Date: 2014-09-02
Classification: H05B

Abstract:
1. A combined metal PTC rapid electric heater comprising: at least one electric heating device having a metal PTC tube and a tubular shaped electric heating tube body; wherein the diameter of the metal PTC tube is smaller than the diameter of the electric heating tube body, wherein the metal PTC tube is disposed inside the electric heating tube body so that the two are concentric, wherein a plurality of heat radiating fins are attached to the outer surface of said electric heating tube body, wherein said combined metal PTC rapid electric heater is characterized in that said electric heating tube body has two straight tubes and one C-shape tube; and one of said straight tubes having a wiring terminal at one end and at the other end being connected to said C-shaped tube, and another of said straight tubes also having a wiring terminal at one end and at the other end being connected to the same said C-shape tube, and each end of said C-shape tube is connected to each of the two said straight tubes.