Rotatable, hermetically sealed, tubular, solar heat collecting s

Details Rotatable, hermetically sealed, tubular, solar heat collecting s Rotatable, hermetically sealed, tubular, solar heat collecting s

1980-08-06

1981-12-29

Yeung, James C.

Stoves and furnaces

Tool having fluid fuel burner

Curling iron

126424, 126438, 126446, F24J 302

Patent

active

043077129

ABSTRACT:
A system comprising one or more straight, rotatable, hermetically sealed, tubular solar heat collecting units employs for each unit an outer tube and concentric with it an inner tube, the two tubes double-housing an axial multi-flanged or finned tubular conductor of fluid to be heated; to heat fluid a reflective sheet is disposed to take the curve of the reflective trough and concentrate radiant energy from the sun onto the conduit when stray reflections may be caught by the flanges, relieving requirement for good optical figure in the reflective sheet; end caps seal the unit except for the protrusive ends of the conductor; the conductor can act as axis of rotation for each unit; in array a plurality of the units can be interconnected and driven in unison to follow the sun.

REFERENCES:
patent: 4129119 (1978-12-01), Yoke
patent: 4150662 (1979-04-01), Summers
patent: 4151828 (1979-05-01), Mather et al.
patent: 4153042 (1979-05-01), Tragert

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