Heating systems – Water
Patent
1980-11-26
1983-02-08
Makay, Albert J.
Heating systems
Water
126 79, 122 20B, 165DIG12, F24D 300
Patent
active
043724876
ABSTRACT:
Furnace structures having smoke and gas return are disclosed. The structures have a closed circuit combustion gas loop and a closed circuit liquid heat transfer loop. The two loops are circulated countercurrent to one another so that maximum heat transfer efficiency is achieved and exhaust emissions are reduced to a minimum.
REFERENCES:
patent: 951703 (1910-03-01), Sawyer
patent: 2026399 (1935-12-01), Pierce
patent: 4033320 (1977-07-01), Jury
patent: 4277021 (1981-07-01), Daye
patent: 4312320 (1982-01-01), Jennings
Bennett Henry
Makay Albert J.
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