Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1977-08-17
1980-01-22
Bartis, A.
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
219309, 219331, 219332, 219496, 222146HE, H05B 102, H05B 382, F24H 110
Patent
active
041851870
ABSTRACT:
Under full flow conditions circulated water is conducted for heating through an elongated vertical chamber by a pump along a down-flow path from an upper lateral inlet to a lower outlet and in surrounding relationship to a vertically disposed electrical heating element in the chamber. The chamber is defined by a housing dimensioned to conduct flow with substantially no storage of water therein in order to progressively elevate the water temperature as the water is circulated through the chamber. The heating element extends upwardly from the lower axial end of the housing and terminates substantially at the level of the bottom of the inlet. Operation of the heating element is controlled by a thermostat and a flow responsive control both mounted on the upper axial end of the housing so that the heating element is energized only during periods of flow at a predetermined flow rate when the liquid is below a predetermined temperature. In this manner the internal temperature can be maintained at a relatively low value thus enabling the use of synthetic resins and other inexpensive components.
REFERENCES:
patent: 1196487 (1916-08-01), Simon
patent: 1558823 (1925-10-01), Bayne
patent: 1920284 (1933-08-01), Wells
patent: 1965208 (1934-07-01), Ackerman
patent: 2263833 (1941-11-01), Aldrich
patent: 2419429 (1947-04-01), Voiles
patent: 3261963 (1966-07-01), Weinstein
patent: 3593649 (1971-07-01), Novi et al.
patent: 3638619 (1972-02-01), Hall et al.
patent: 3898428 (1975-08-01), Dye
Bartis A.
Jacobson Harvey B.
O#Brien Clarence A.
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