Electric heating – Heating devices – With heating unit structure
Patent
1979-11-30
1981-07-21
Mayewsky, Volodymyr Y.
Electric heating
Heating devices
With heating unit structure
219548, 219552, 338238, 338257, 428679, 428680, 174102R, H05B 344
Patent
active
042800463
ABSTRACT:
A sheath heater having a heating wire embedded in a ceramic insulator such that the thermal deformation of the heating wire is substantially prevented, wherein the heating wire is formed of a nichrome-based wire having an Al-rich surface layer so as to permit forming an oxidation-protective alumina layer on the surface of the nichrome-based wire.
REFERENCES:
patent: 1736745 (1929-11-01), Lohmann
patent: 2360267 (1944-10-01), Osterheld
patent: 2816200 (1957-12-01), Mudge
patent: 3121154 (1964-02-01), Menzies et al.
patent: 3244861 (1966-04-01), Colburn
patent: 3622755 (1971-11-01), Vedder
Yajima et al., Nihon Kinzoku Gakkai Shi, "Some Experiments on Improvement of Electrical Heat Resisting Wire by Al Diffusion", (Report 2), vol. 19, p. 369, (1980).
Gulbransen et al., J. Electrochemical Soc., "Oxidation Studies on the Nickel-Chromium and Nickel-Chromium-Aluminum Heater Alloys," vol. 106, p. 941, Nov. 1959.
Izumi Isao
Murabayashi Hideki
Shimotori Kazumi
Mayewsky Volodymyr Y.
Tokyo Shibaura Denki Kabushiki Kaisha
LandOfFree
Sheath heater does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Sheath heater, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sheath heater will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2433219