Hot water heater
AssigneeFraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
InventorsKonstantin Ledjeff, Juergen Gieshoff, Alexander Schuler
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Abstract
A hot water heater has an inlet for liquid fuels, a plurality of inlets for resh air, an inlet for a fluid to be heated, at least two combustion stages traversed by the fuel-air mixture with catalytic combustion chambers surrounded at least partially by at least one fluid chamber filled with fluid and with an offgas heat exchanger for fluid to be heated. The heat exchanger is traversed by the offgas escaping from the combustion chambers. The first combustion stage has an evaporation chamber that has on its outside surface, at least a partial catalyst layer.
Claims12
A hot water heater,comprising
- a first inlet for a liquid fuel;
- a plurality of inlets for air;
- a second inlet for a fluid to be heated;
- a first combustion stage traversed by a fuel-air mixture;
- a second combustion stage traversed by the fuel-air mixture;
- a fluid chamber for said fluid from the second inlet;
- wherein said first combustion stage comprises a combustion chamber having an outer wall and including therein an evaporation chamber, said evaporation chamber having a catalyst layer at least partially surrounding an outer surface of said evaporation chamber;
- and
- wherein said fluid chamber at least partially surrounds said outer wall of said combustion chamber such that exhaust gas from said evaporation chamber flows between said catalyst layer and said outer wall of said combustion chamber.
Dependencies are inferred from the claim text.