Heat exchanger and washing apparatus comprising the same

Details Heat exchanger and washing apparatus comprising the same Heat exchanger and washing apparatus comprising the same

2011-04-05

2011-04-05

Campbell, Thor S (Department: 3742)

Electric resistance heating devices

Heating devices

Continuous flow type fluid heater

C392S491000, C392S465000

Reexamination Certificate

active

07920779

ABSTRACT:
A heat exchanger comprises a substantially pillar sheathed heater, a substantially cylindrical case, and a spiral spring. The sheathed heater is accommodated in the case. The spring is provided so as to be wound around an outer peripheral surface of the sheathed heater. Thus, a spiral flow path is formed among an outer peripheral surface of the sheathed heater, an inner peripheral surface of the case, and the spring. The spring functions as a flow velocity conversion mechanism, a turbulent flow generation mechanism, a flow direction conversion mechanism, and an impurity removal mechanism. A water inlet and a water outlet are respectively arranged at positions eccentric from a central axis of the case on a side surface of the case.

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Partial English Language Translation of KR 1997-0006466.
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