Electrical heat exchange device

Details Electrical heat exchange device Electrical heat exchange device

1988-09-12

1990-06-19

Pellinen, A. D.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219307, 338 57, 338 58, F24H 300

Patent

active

049356879

ABSTRACT:
An electrical heat exchange device comprising a plurality of electrically conductive metal plates secured side by side in spaced apart relationship by electrically insulating spacer means. Each of the plates has a plurality of conductive path sections formed therein so that current will flow along a predetermined elongated path through the plate. The plates have a plurality of perforations, at least along the elongated path for the passage of a fluid conducted therethrough under pressure whereby to heat the fluid by the plurality of plates. The perforations decrease the conductive cross-section area thereby increasing the electrical resistance of the plate. Electrical connectors are provided for connecting the plates in series with one another at opposed ends of the elongated path. Connectors are provided for connecting the series of plates to an electrical power source for heating the plates by joule effect.

REFERENCES:
patent: 2084556 (1937-06-01), Hamilton
patent: 2570692 (1951-10-01), Knight
patent: 3244860 (1966-04-01), Lindley
patent: 3344257 (1967-09-01), Moller
patent: 4025794 (1975-05-01), Marzonne et al.
patent: 4491118 (1985-01-01), Woddridge
patent: 4521674 (1985-06-01), Scanlan et al.
patent: 4713524 (1987-12-01), Leo et al.

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