Electric heating – Metal heating – Of cylinders
Patent
1991-06-14
1993-05-04
Reynolds, Bruce A.
Electric heating
Metal heating
Of cylinders
219 65, 219 85, 219 1041, 219 10491, 219 1071, 219 1075, 373160, 373162, 336150, 336187, H05B 636
Patent
active
052084337
ABSTRACT:
A cooling tube (T) is incorporated into each conductor (C1) of the coil. The current carried by this conductor is divided between the strands which are maintained in thermal contact with the tube even in transposition or twist areas in which the conductor undergoes particularly marked deformations. The conductor features at least one half-turn twist between the electrical terminals of the coil.
REFERENCES:
patent: 1986353 (1935-01-01), Northrup
patent: 2249909 (1941-07-01), Pisarev
patent: 4072873 (1978-02-01), Nottingham
patent: 4176237 (1979-11-01), Bingen
patent: 4277768 (1981-07-01), Burgeson et al.
patent: 4820892 (1989-04-01), Holmstrom et al.
patent: 4859823 (1989-08-01), Faber
patent: 4864266 (1989-09-01), Feather et al.
patent: 4874916 (1989-10-01), Burke
Hellegouarc'h Jean
Prost Gerard
Hoang Tu
Reynolds Bruce A.
Rotelec S. A.
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