Device for the electrical induction heating of a fluid contained

Details Device for the electrical induction heating of a fluid contained Device for the electrical induction heating of a fluid contained

1990-03-09

1991-04-09

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

219 1065, 219 1075, 219 1079, H05B 610

Patent

active

050066838

ABSTRACT:
The device is a transformer comprising a magnetic circuit (22) in the form of a closed frame having four parallel columns (23, 24, 25a, 25b) and two primary windings (26a, 26b), each arranged around an inner column of the frame (22). The windings (26a, 26b) are connected at one end to a first phase (P1) and a third phase (P3) respectively and at their other end to a second phase (P2) of the three-phase current source (27). The pipeline (28) comprises a closed circuit consisting of three branched tubular arms (29a, 29b, 29c), each passing through a gap between two columns (23, 24, 25a, 25b) of the frame of the magnetic circuit, the inner columns (25a, 25b) being surrounded by an electrical windings (26a, 26b).

REFERENCES:
patent: 1402873 (1922-01-01), Ledwinka
patent: 1656518 (1928-01-01), Hammers
patent: 1814225 (1931-07-01), Neiss
patent: 3388230 (1968-06-01), Cunningham et al.
patent: 4602140 (1986-07-01), Sobolewski
patent: 4791262 (1988-12-01), Ando et al.

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