| 摘要 |
803,005. Induction heaters for fluids. FORSYTH, C. T. Sept. 10, 1956, No. 27667/56. Class 39(3) An induction heater for fluids comprises a square section core on which are mounted eccentrically conducting plate-like elements forming a secondary assembly. In Fig. 1, the secondary assembly 18 is in two and is secured on a core 14 which also carries a primary winding 16. A partition, preferably of heat insulating material, separates the assembly 18 from the winding 16, and air may be passed through a casing 10 for heating. In a water heater, Fig. 2, a water-tight container 22 for the winding 16 is threaded at 24 and the secondary assembly 18<SP>1</SP> is intended to be immersed in the water. Fig. 4 shows details of the secondary assembly which includes rectangular plates 30, 34 having square central apertures corresponding in size to the cross section of the core 14. The plates are clamped together by bolts and nuts 42, and end plates 48 have lugs and screws for securing the assembly on the core. The spacing between the larger plates 30 permits fluid to flow readily between them for heating.
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