Tubular heating-pipe solar water-heating-system with integral ta

Details Tubular heating-pipe solar water-heating-system with integral ta Tubular heating-pipe solar water-heating-system with integral ta

1996-08-29

2000-01-18

Yeung, James C.

Stoves and furnaces

Solar heat collector

With means to convey fluent medium through collector

126655, 126657, F24J 244

Patent

active

06014968&

ABSTRACT:
A collector core (104) for a solar water-heating-system (100) includes a plurality of heat-absorbing pipes (108) each of which surrounds a cooler-water return-pipe (116). The heating-pipes (108) may connect directly to an insulated hot-water storage-tank (104) from which cooler water descends through the return-pipes (116) into the heating-pipes (108). Upon reaching the end of the return-pipes (116), the cooler water flows outward into the space between the surrounding heating-pipes (108) and the inner return-pipes (116). Upon warming, water between the two pipes (108, 116) rises upward back to the hot-water storage-tank (104) thus completing the thermosyphon flow cycle. Preferably, the inner return-pipe (116) is made of polyvinyl chloride ("PVC"), polybutelene ("PB"), or other compressible material which permits collector core (106) operation both in freezing and non-freezing environments. Alternatively, the collector core (106) may be added to an existing solar water-heating panel (102') to improve its operation.

REFERENCES:
patent: 2122821 (1938-07-01), Mohr
patent: 2247830 (1941-07-01), Abbot
patent: 4084578 (1978-04-01), Ishibashi
patent: 4353352 (1982-10-01), Zinn
patent: 4438759 (1984-03-01), Kitajima et al.
patent: 4505261 (1985-03-01), Hunter
patent: 4566431 (1986-01-01), Takeuchi et al.
patent: 4615329 (1986-10-01), Takeuchi et al.
patent: 4724826 (1988-02-01), Muramatsu
patent: 4766885 (1988-08-01), Muramatsu

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