| 20110286728 | HEATER AND ELECTRIC INSTANT WATER HEATER - The present invention provides a heater and an electric instant water heater with the heater. The electric instant water heater includes a water tank having an outlet, a heater communicated with the outlet of the water tank and a control circuit. The heater includes an electric heating pipe and a thermal conductor having a curved water channel. The electric heating pipe is embedded in the thermal conductor. The spiral electric heating pipe is embedded in the thermal conductor to thereby increase the heat transferring area, and the spiral water channel is formed in the thermal conductor. The inner wall of the metal pipe is provided with screw threads to increase the heated area and have a self-cleaning function. Thus, the cold water is instantly heated. | 11-24-2011 |
