Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1979-08-20
1982-04-13
Macon, Robert S.
Electricity: circuit makers and breakers
Liquid contact
Time delay
H01H 3366
Patent
active
043249604
ABSTRACT:
The disclosed windmill-shaped electrode comprises a central circular flat portion, a tapered portion connected to the central flat portion to encircle it and four circular arc-shaped slots extending radially and circumferential through the tapered portion and terminating at the flat portion. The flat portion has a radius not smaller than 0.4 time and not larger than 0.7 time a maximum radius of the electrode. Each slot describes a circular arc having a single radius not smaller than the radius of the flat portion.
REFERENCES:
patent: 2949520 (1960-08-01), Schneider
patent: 3008022 (1961-11-01), Lee
patent: 3158719 (1964-11-01), Polinko et al.
patent: 3185797 (1965-05-01), Porter
patent: 3280286 (1966-10-01), Ranheim
patent: 3327081 (1967-06-01), Pflanz
patent: 3462572 (1969-08-01), Sofianek
patent: 3522399 (1970-07-01), Crouch
Aoki Shin-Ichi
Takeya Yasushi
Macon Robert S.
Mitsubishi Denki & Kabushiki Kaisha
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