Electric heating – Heating devices – With power supply and voltage or current regulation or...
Patent
1992-02-26
1995-05-30
Paschall, Mark H.
Electric heating
Heating devices
With power supply and voltage or current regulation or...
219508, 219505, 219481, 219501, 361 57, 307117, H05B 102
Patent
active
054203961
ABSTRACT:
A heating apparatus comprising a heating member, energization element for energizing said heating member, a temperature detection member for detecting a temperature of said heating member, a first switching element for turning on/off energization by said energization means on the basis of the temperature detected by said temperature detection member, abnormal current detection element for detecting an abnormal current flowing through said heating member, a second switching element for turning off energization by said energization element, and energization stop member for operating said second switching element to turn off energization.
REFERENCES:
patent: 4065802 (1977-12-01), Mizukawa et al.
patent: 4751371 (1988-06-01), Clinton
patent: 5162038 (1992-11-01), Wilker
patent: 5175413 (1992-12-01), Holling et al.
Gima Takeji
Hashimoto Hiroshi
Inuyama Toshihiko
Ishizu Masanori
Itoh Toshiyuki
Canon Kabushiki Kaisha
Paschall Mark H.
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