FIELD: heating. SUBSTANCE: boiler shell accommodates parallel metal heating pipes and magnetic circuit with a core in the form of closed rods with windings. The pipes are shot-circuited. Heat insulation is positioned on their internal surface, The rods with windings are installed inside the pipes in a spaced relation to heat insulation with formation of air passages. EFFECT: improved design. 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| ELECTRIC INDUCTION BOILER | 0 |
|
SU768020A1 |
| 0 |
|
SU1781845A1 | |
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