Apparatus for heating an electrically conductive flowable materi

Details Apparatus for heating an electrically conductive flowable materi Apparatus for heating an electrically conductive flowable materi

1989-02-07

1990-09-25

Bartis, Anthony

Electric heating

Heating devices

Combined with diverse-type art device

99451, 219284, 219288, 219295, 338 80, 426247, H05B 360, H05B 102, A23L 332, F24H 110

Patent

active

049595253

ABSTRACT:
A heating apparatus for heating an electrically conductive flowable medium includes a pipe having a conductivity no greater than that of the medium and a pair of electrodes projecting in a cantilever fashion into the pipe at spaced locations therealong and each having a noble metal plated surface exposed to the flowable medium. Each electrode is sealed to the wall of the pipe with a flat-faced aspetic seal formed between a flat end face of the elctrode and a cooperating flat face on the pipe wall. The electrodes may be hollow, fluid cooled and have a rounded free end made of an electrically non-conducting material on which is mounted a temperature or pressure sensor. The exposed electrode surface may be partially coated with an electrically insulative material to confine heating current flow to a particular surface portion of the electrode.

REFERENCES:
patent: 918531 (1909-04-01), Goucher
patent: 1147558 (1915-07-01), Shelmerdine
patent: 1398630 (1921-11-01), Dawe
patent: 1546061 (1925-07-01), Drefahl
patent: 2319477 (1943-05-01), Rush
patent: 3354256 (1967-11-01), Vaughan
patent: 3590752 (1971-07-01), Bilynsky
patent: 3714392 (1973-01-01), Katzman et al.
patent: 4417132 (1983-11-01), Simpson

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