Carrier Corporation

James N Friedman

Chester D Ripka

Thomas E Drago

A liquid-backed gas-fired heating system is disclosed which utilizes an infrared burner module having a helical coil wrapped concentrically thereabout. The helical coil located in the radiant zone and convective zone of the module receives heat from the hot products of combustion and transfers the heat to a circulating fluid, which in turn transfers the heat through a fan coil to the space to be heated.

Liquid-backed gas-fired heating system

A method and apparatus for recovering heat from the combustion gas discharged from a submerged horizontal burner. The burner is at atmospheric pressure while an induction fan reduces the pressure inside the heat exchanger and draws the ignited combustion gas through a submerged combustion chamber and through the liquid to a flue. The liquid flows in counterflow arrangement with the combustion gas which further enhances the heat transfer between the combustion gas and the liquid.

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Manlius, NY, United States of America

James N Friedman