Heating – Processes of heating or heater operation – Controlling flame position or work atmosphere
Patent
1990-10-18
1991-09-03
Yuen, Henry C.
Heating
Processes of heating or heater operation
Controlling flame position or work atmosphere
432 30, 432181, 431170, 136253, F27D 700, F27D 1700
Patent
active
050449397
ABSTRACT:
A linear combustion emitter regenerator process capable of operating at high temperatures for sustained periods of time, that includes flowing reactants including fuel and air to a combustion zone; adding regenerated heat to at least one of the reactants flowing to the zone; combusting the reactants at the zone to produce combustion products at high temperature, to heat radiant emitter; operating the emitter to radiate energy from the zone passing selective wavelengths of said radiated energy spectrum through an optical filter and converting the radiation from the emitter into photovoltaic-produced electricity; mounting optical filter on water-cooled window to act as a heat shield to protect photovoltaic cells from overheating; reflecting back to the emitter portions of the spectral emission not able to activate the photovoltaic cells; extracting heat absorbed by liquid-cooled window by means of a heat exchanger to transfer heat to incoming combustion air; extracting heat from the combustion products for return to the at least one of the reactants as the recuperated heat; removing the products of combustion at reduced temperature, and; providing a porous bed at and to which the extracted heat is transferred; and periodically reversing the direction of flow of at least one of the reactants, and in heat transfer contact with the bed.
REFERENCES:
patent: 4671346 (1987-06-01), Masters et al.
patent: 4898530 (1990-02-01), Wills et al.
patent: 4944670 (1990-07-01), Watson
patent: 4976611 (1990-12-01), Knop et al.
Haefliger William W.
Yuen Henry C.
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