Hot water heaters
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United States of America Patent
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Mar 19, 1996
Issued Date -
N/A
app pub date -
Aug 15, 1994
filing date -
Apr 19, 1989
priority date (Note) -
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status (Latency Note)
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Abstract
A hot water heater capable of delivering a relatively large quantity of hot water, the quantity being larger than the total volume of the storage capacity of the heater is disclosed. The hot water heater comprises a vessel having an inlet port and an outlet port, a cold water inlet coupled to the inlet port, a hot water outlet line coupled to the outlet port, with heating means for heating water in the vessel, and control means for establishing a flow path between the inlet and outlet lines. The arrangement is such that water flowing in the inlet line is divided between the flow path and inlet port in a predetermined ratio whereby water flowing in the outlet line is, in use, colder than the water passing through the outlet port. The control means is arranged to store hot water in the vessel at a higher temperature than is normally required in the outlet line and the cold water which passes through the flow path reduces the temperature of the water in the outlet line but increases the effective volume of hot water flowing from the heater.
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