Water heater

A drainage water discharge pipe is connected to a secondary heat exchanger for discharging drainage water to the outside of the secondary heat exchanger. An air passage pipe is connected to an exhaust box. A three-way pipe joint allows merging of a flow path on a side of the drainage water discharge...

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Bibliographische Detailangaben
1. Verfasser:	Wada, Norihide
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS,e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USERAPPLICATIONS FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEAT EXCHANGE IN GENERAL HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING LIGHTING MECHANICAL ENGINEERING RANGES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	A drainage water discharge pipe is connected to a secondary heat exchanger for discharging drainage water to the outside of the secondary heat exchanger. An air passage pipe is connected to an exhaust box. A three-way pipe joint allows merging of a flow path on a side of the drainage water discharge pipe and a flow path on a side of the air passage pipe, and allows connection of the merged flow path to a drainage water tank connection pipe. In the three-way pipe joint, the flow path on the side of the air passage pipe is greater in diameter than the flow path on the side of the drainage water discharge pipe, and the flow path on the side of the drainage water tank connection pipe is decreased in diameter after merging of the drainage water discharge pipe and the air passage pipe.