Solar heat exchanger

Details Solar heat exchanger Solar heat exchanger

1979-11-09

1983-02-08

Jones, Larry

Stoves and furnaces

Tool having fluid fuel burner

Curling iron

126417, 126438, 126442, F24J 302

Patent

active

043722911

ABSTRACT:
A solar heat exchanger for vaporizing virtually all the liquid entering the exchanger. The solar heat exchanger of the invention is comprised of a metal tube, a feedwater inlet tube of much smaller diameter located within the metal tube and a transparent glass envelope enclosing the metal tube. The annular space between the inner surface of the glass envelope and the outer surface of the metal tube is evacuated to pressure of 10.sup.-6 torr. A vapor outlet pipe is provided at one end of the exchanger. A feedwater inlet pipe extends from the opposite end of the exchanger within and for approximately the length of the interior of the metal tube. In use incoming feedwater is pumped through the feedwater pipe and sprays outwardly through small spray orifices onto the hot inside surface of the metal tube, which converts it to steam.

REFERENCES:
patent: 1068650 (1913-07-01), Harrison
patent: 4092979 (1978-06-01), Kotlarz
patent: 4124020 (1978-11-01), Noble
patent: 4136670 (1979-01-01), Davis
patent: 4153042 (1979-05-01), Tragert
patent: 4186724 (1980-02-01), Nelson
patent: 4237868 (1980-12-01), Overton

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