Heat exchanger
AssigneeRinnai Corporation
InventorTakashi OJIRO
Life of this patent
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Abstract
The heat exchanger (1) has a plurality of heat exchange units (10) stacked in a direction of a gas flow passage of combustion exhaust gas, each of the heat exchange units (10) includes an internal space (14) through which a fluid to be heated flows, a plurality of gas vents (13) penetrating the internal space (14) in a non-communicating state and through which the combustion exhaust gas passes, and an inwardly directed step portion (17) reducing a height of the internal space (14) between adjacent gas vents (13).
Claims8
A heat exchanger comprising a plurality of heat exchange units stacked in a direction of a gas flow passage of combustion exhaust gas,
- wherein each of the plurality of heat exchange units includes:
- an internal space through which a fluid to be heated flows;
- a plurality of gas vents penetrating the internal space in a non-communicating state and through which the combustion exhaust gas passes;
- and
- an inwardly directed step portion reducing a height of the internal space between adjacent gas vents.
Dependencies are inferred from the claim text.