Hot water tempering system utilizing a storage tank, a bypass li

Details Hot water tempering system utilizing a storage tank, a bypass li Hot water tempering system utilizing a storage tank, a bypass li

1994-06-20

1996-12-24

Jeffery, John A.

Electric resistance heating devices

Heating devices

Tank or container type liquid heater

126362, 126344, 137341, 137 99, 137109, 251248, 251208, F24H 118

Patent

active

055880886

ABSTRACT:
A hot water tempering system tempers the output of a hot water storage tank by mixing that output with a cold water flow in a defined ratio to produce a flow of water at a steady intermediate temperature. The system comprises a bypass line connectable between an inlet line and an outlet line of the storage tank, and a proportional flow controller for controlling the relative water flow rates through the tank and through the bypass line. The flow controller may be positioned on the inlet line and the bypass line, or on the outlet line and the bypass line. The tempering system allows the temperature of water in the storage tank to be maintained near the boiling point for killing organisms, but at the same time ensures that water leaves the system at a temperature sufficiently low to be safe for human use.

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