HOT WATER STORAGE TYPE ELECTRIC WATER HEATER

HOT WATER STORAGE TYPE ELECTRIC WATER HEATER

PROBLEM TO BE SOLVED: To make water in a tank easily usable in an emergency when water is not supplied in unexpected suspension of water supply, disaster and the like.SOLUTION: A hot water storage type electric water heater includes: a hot water storage tank in which an electric heater is provided;...

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1. Verfasser: KISHIMOTO SHOJI
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL
HEATING
LIGHTING
MECHANICAL ENGINEERING
RANGES
VENTILATING
WEAPONS
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creator KISHIMOTO SHOJI
description PROBLEM TO BE SOLVED: To make water in a tank easily usable in an emergency when water is not supplied in unexpected suspension of water supply, disaster and the like.SOLUTION: A hot water storage type electric water heater includes: a hot water storage tank in which an electric heater is provided; a water supply pipe for guiding water from a water supply source to the hot water storage tank; a hot water tapping pipe for guiding hot water and water in the hot water storage tank to a water discharge part; a first check valve provided at the hot water tapping pipe; a by-pass pipe for connecting a bottom part of the hot water storage tank and the hot water tapping pipe which is on further downstream side than the first check valve; a pump provided in the by-pass pipe and conveying the hot water and water to the hot water tapping pipe; pressure measurement means for measuring pressure on the downstream side of the pump; and a control unit for controlling the pump. The control unit operates in such a manner that, when a measurement value of the pressure measurement means is below a predetermined pressure, it operates the pump, and when the measurement value of the pressure measurement means is equal to or greater than the predetermined pressure, it stops the operation of the pump.
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subjects BLASTING
FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL
HEATING
LIGHTING
MECHANICAL ENGINEERING
RANGES
VENTILATING
WEAPONS
title HOT WATER STORAGE TYPE ELECTRIC WATER HEATER
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