Electric resistance heating devices – Heating devices – Continuous flow type fluid heater
Patent
1990-05-10
1993-06-01
Reynolds, Bruce A.
Electric resistance heating devices
Heating devices
Continuous flow type fluid heater
392486, 219497, 7320416, 7320423, F24H 110
Patent
active
052167437
ABSTRACT:
The present invention provides a flow-through instantaneous fluid heater system designed to satisfy the need for a heater not limited by being connected to a storage tank and which can be made using a plastic casing, incorporating cool-down when out of service and with features of venting and simplified flushing and draining. The system incorporates the use of one or more compartments, usually assembled in two compartment modules connected in series. Each compartment includes a casing having a hollow cylindrical interior region. An inlet aperture is located at one end of the casing and an outlet aperture is located at the other end of the casing. The lower end of each casing is closed by a removable base and the upper end of the casing is closed by a top plate and a heating element. The heating element is positioned axially in the interior region of the compartment. The heating element is activated by a control system which senses and compares temperatures of the water at the compartment outlets. The control system uses temperature comparisons to detect flow through the system to determine whether the heating elements should be activated to maintain the fluid at a stand-by temperature or at an operational temperature.
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Jeffery John A.
Reynolds Bruce A.
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