Heating systems – Miscellaneous – Special liquid
Patent
1977-10-14
1979-11-06
O'Dea, William F.
Heating systems
Miscellaneous
Special liquid
126400, F24J 302
Patent
active
041733045
ABSTRACT:
In my U.S. Pat. No. 4,054,246, a double-walled structure collects solar heat with air as the heat transfer medium, which heat is stored in subterranean gravel pits. In the present invention, (1) the design of the gravel pits is improved, (2) the efficiency of the solar collectors is improved, whereby needed collection area is reduced, (3) seepage into the pits is minimized, and (4) novel modes of operation using ambient air are disclosed.
REFERENCES:
patent: 3424232 (1969-01-01), Garrett
patent: 4006856 (1977-02-01), Nilsson
patent: 4010731 (1977-03-01), Harrison
patent: 4024910 (1977-05-01), Werner
patent: 4051891 (1977-10-01), Harrison
patent: 4051999 (1977-10-01), Granger et al.
patent: 4054246 (1977-10-01), Johnson
patent: 4081024 (1978-03-01), Rush et al.
Burke James J.
O'Dea William F.
Tapolcai, Jr. William E.
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