Electric cartridge heater

Details Electric cartridge heater Electric cartridge heater

1984-11-16

1986-06-03

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

With heating unit structure

219523, 219540, 219552, 219531, 219541, 425549, 338241, 338242, 29615, H05B 344

Patent

active

045931828

ABSTRACT:
A cartridge heater includes an inner casing in which a heating element is accommodated. This inner casing is surrounded by an coaxially arranged outer casing of larger diameter so that an annular space is defined between the inner and outer casings. In the space a helical coolant piping is arranged, embedded in a highly heat-conductive substance of granular and/or pulverulent form so as to allow excess heat to be carried away.

REFERENCES:
patent: 2009980 (1935-07-01), Abbott
patent: 3678249 (1972-07-01), Lennox
patent: 4279588 (1981-07-01), Gellert
patent: 4300038 (1981-11-01), Schwarzkopf
patent: 4304544 (1981-12-01), Crandell
patent: 4349727 (1982-09-01), Churchill
patent: 4419567 (1983-12-01), Murphy et al.

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