Method and device for the secure operation of a switching...

Details Method and device for the secure operation of a switching... Method and device for the secure operation of a switching...

2011-01-18

2011-01-18

Mai, Anh T (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Multiple contact type

C335S006000

Reexamination Certificate

active

07872552

ABSTRACT:
A method and a device for the secure operation of a switching device are disclosed, including at least one main contact which can be switched on and off and which includes contact pieces and a displaceable contact bridge, and also at least one control magnet which includes a displaceable anchor. The anchor acts upon the contact bridge when it is switched on or off such that the corresponding main contact is opened and closed. In at least one embodiment, the method includes: a) the displaceable contact bridge of the at least one main contact recognizes when an opening point has been exceeded after being switched off, and b) the additional operation of the switching device is interrupted, according to a predetermined duration of time, when the opening point is not exceeded.

REFERENCES:
patent: 4292611 (1981-09-01), Bresson et al.
patent: 4307358 (1981-12-01), Haury et al.
patent: 4470028 (1984-09-01), Vayre et al.
patent: 4737749 (1988-04-01), Held
patent: 4803587 (1989-02-01), Fournier et al.
patent: 5099385 (1992-03-01), Faffart
patent: 5163175 (1992-11-01), Mori et al.
patent: 5455733 (1995-10-01), Waggamon
patent: 5986528 (1999-11-01), Meier et al.
patent: 6023110 (2000-02-01), Henrion et al.
patent: 6150909 (2000-11-01), Meier
patent: 6833777 (2004-12-01), Bollinger et al.
patent: 6943654 (2005-09-01), Zhou et al.
patent: 101084561 (2007-12-01), None
patent: 3540460 (1987-05-01), None
patent: 19734224 (1999-02-01), None
patent: 19937074 (2001-06-01), None
patent: 69612975 (2001-11-01), None
patent: 0 224 081 (1991-02-01), None
patent: 0224081 (1991-02-01), None
patent: 0 694 937 (2000-03-01), None
patent: 0 832 496 (2001-05-01), None
patent: 0832496 (2001-05-01), None
patent: 1 298 689 (2003-04-01), None
patent: 1298689 (2003-04-01), None
patent: 7077112 (1995-03-01), None
patent: 2008-525950 (2008-07-01), None
Translation of Korean Office Action.
Chinese Office Action.
Office Action for German patent application No. 10 2004 062 267.1-34 dated Nov. 2, 2010.

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