Means for protecting solar water heating equipment against frost

Details Means for protecting solar water heating equipment against frost Means for protecting solar water heating equipment against frost

1978-12-11

1980-10-14

Yeung, James C.

Stoves and furnaces

Tool having fluid fuel burner

Curling iron

137 59, 165134R, 138 28, F24J 302

Patent

active

042275121

ABSTRACT:
A solar water-heater absorber with upper and lower cylindrical headers has a rubber tube within each header. These tubes are sealed at one end and connected at the other ends to rigid copper tubes extending through sealed ends of the headers and connected to a pair of normally flattened rubber tubes housed within a further pipe. This pipe is disposed in a situation free from frost and its interior is connected to the water supply pipe line to the absorber.

REFERENCES:
patent: 1952780 (1934-03-01), Small
patent: 2273505 (1942-02-01), Florian
patent: 3407837 (1968-10-01), Fulton et al.
patent: 3480027 (1969-11-01), Noland
patent: 3989032 (1976-11-01), Harrison
patent: 3999708 (1976-12-01), Henkel

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