Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F24
HEATING; RANGES; VENTILATING
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F24H
FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
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1/00
Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
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F24H1/48
Water heaters for central heating incorporating heaters for domestic water
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F24H1/52
incorporating heat exchangers for domestic water
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F24H1/526
Pipes in pipe heat exchangers for sanitary water
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F24H1/526

Water heat exchanger with tube drainage member
10465943 · 2019-11-05 · ·

A heat exchanger having a drainage member (1) mounted on an open end (322) of a heat-transfer tube (32), wherein the drainage member (1) contains a flow guide portion (11) including an insertion portion (11a) configured to be inserted into the heat-transfer tube (32) from the open end (322), and a projecting portion (11b) projecting toward an outside of the heat-transfer tube (32) from the open end (322) and extending downward.

HEAT EXCHANGER AND WATER HEATER
20180058717 · 2018-03-01 ·

A heat exchanger having a drainage member (1) mounted on an open end (322) of a heat-transfer tube (32), wherein the drainage member (1) contains a flow guide portion (11) including an insertion portion (11a) configured to be inserted into the heat-transfer tube (32) from the open end (322), and a projecting portion (11b) projecting toward an outside of the heat-transfer tube (32) from the open end (322) and extending downward.