Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices
Reexamination Certificate
2011-01-25
2011-01-25
Enad, Elvin G (Department: 2832)
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Automatic circuit-interrupting devices
C335S010000
Reexamination Certificate
active
07876181
ABSTRACT:
A circuit breaker for overcurrent protection and earth leakage protection includes a main housing, a circuit board, a zero-phase current transformer, an earth leakage detection circuit, a trip coil, a sensitivity current-switch, an action time switch, and an earth leakage test switch. The earth leakage detection circuit, the sensitivity current-switch, the action time switch, and the earth leakage test switch are mounted on the circuit board and installed in the main housing.
REFERENCES:
patent: 4013929 (1977-03-01), Dietz et al.
patent: 4728914 (1988-03-01), Morris et al.
patent: 4786885 (1988-11-01), Morris et al.
patent: 5172293 (1992-12-01), Matsumoto et al.
patent: 5414395 (1995-05-01), Garnto et al.
patent: 5466903 (1995-11-01), Faber et al.
patent: 5633483 (1997-05-01), Oster et al.
patent: 5757254 (1998-05-01), Kurono et al.
patent: 6201460 (2001-03-01), Winslett et al.
patent: 6784770 (2004-08-01), Gimenez et al.
patent: 6882257 (2005-04-01), Anamura et al.
patent: 7535327 (2009-05-01), Desilva et al.
patent: 2007/0035367 (2007-02-01), Desilva et al.
patent: U-H03-118536 (1991-12-01), None
patent: H07-085768 (1995-03-01), None
Asano Hisanobu
Nakano Masaaki
Enad Elvin G
Fuji Electric Fa Components & Systems Co., Ltd.
Kanesaka Manabu
Talpalatskiy Alexander
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