Throughflow electric heater for fluids such as air

Details Throughflow electric heater for fluids such as air Throughflow electric heater for fluids such as air

1978-07-11

1980-11-11

Bartis, A.

Electric heating

Heating devices

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

219298, 219300, 219307, 219319, 219367, 219374, 219536, 219537, 219539, 338 55, 422174, 422199, H05B 302, F24H 304

Patent

active

042334942

ABSTRACT:
Air is pumped from an upper chamber in a cylindrical housing through parallel groups of Ni-Cr steel heating tubes to a lower chamber communicating with a carbon-dioxide adsorber in an air-rectification system. The tube groups are suspended at their upper ends from respective Al.sub.2 O.sub.3 -ceramic holder plates seated on flanges projecting into respective openings of a carrier plate in turn removably fastened to the inside of the housing. The tubes in each group are connected in series with one another to a voltage source, the lower ends of the tubes in a group being gripped by a form-fitted ceramic spacer slidably inserted into a pipe section aligned in a support plate with an associated opening in the upper carrier plate, thereby ensuring the electrical insulation of the tubes. The holder plates and the openings are shaped as circles or as circular sections.

REFERENCES:
patent: 912985 (1909-02-01), Aalborg
patent: 1712372 (1929-05-01), Winship
patent: 1727585 (1929-09-01), Carleton
patent: 2619579 (1952-11-01), Cartinhour
patent: 2790889 (1957-04-01), Hynes
patent: 2797297 (1957-06-01), Nihlen
patent: 2868944 (1959-01-01), Koch et al.
patent: 3270182 (1966-08-01), Hynes
patent: 3541304 (1970-11-01), Cohn

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