Stoves and furnaces – Hot-air furnaces – Compressed air
Patent
1991-06-24
1992-03-24
Yeung, James C.
Stoves and furnaces
Hot-air furnaces
Compressed air
126 99R, 126116R, 165111, 261124, 261153, F24H 302
Patent
active
050978195
ABSTRACT:
A direct contact condensing heat-exchanger is provided with a water heat transfer medium in which combustion product gases are dispersed in finely divided bubble form against a relatively low hydrostatic pressure differential for efficient sensible heat and latent heat recovery purposes. In one actual application, a warm-air furnace system having a burner that produces combustion product gases as a heat source is provided with the novel direct contact condensing heat-exchanger as a seondary heat-exchanger that advantageously recovers both sensible heat and latent heat from the combustion product gases.
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patent: 4340572 (1982-07-01), Ben-Shmuel et al.
patent: 4515145 (1985-05-01), Tallman et al.
patent: 4561421 (1985-12-01), Hwang et al.
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patent: 4681085 (1987-07-01), Clawson
patent: 4799941 (1989-01-01), Westermark
Christensen Richard N.
DeVuono Anthony C.
George, II Paul E.
Talbert Sherwood G.
Gas Research Institute
Yeung James C.
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