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Electric water heater that keeps the hot water at a preset temperature constantly

  • US 7,570,877 B1
  • Filed: 02/16/2007
  • Issued: 08/04/2009
  • Est. Priority Date: 02/16/2007
  • Status: Expired due to Fees
First Claim
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1. An electric water heater, comprising:

  • a container;

    a cold water inlet pipe having a first end extended into the container and a second end protruded from the container;

    a hot water outlet pipe having a first end extended into the container and a second end protruded from the container;

    a separation board mounted in the container to divide an inside of the container into a heat storage space which is connected to the first end of the cold water inlet pipe and an instantaneously heating space which is connected to the first end of the hot water outlet pipe;

    wherein the separation board includes a first vertical plate having a first end connected to an upper portion of the container, a separation plate having a first end connected to a second end of the first vertical plate, and a second vertical plate having a first end connected to a second end of the separation plate and a second end connected to a lower portion of the container;

    the first vertical plate of the separation board is formed with a first conducting hole connected between the heat storage space and the instantaneously heating space of the container;

    the instantaneously heating space of the container has an upper portion formed with a high temperature space located beside and connected to the first end of the hot water outlet pipe and the first conducting hole of the separation board.

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