High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Operating mechanism structure or arrangement
Patent
1998-03-24
2000-02-01
Donovan, Lincoln
High-voltage switches with arc preventing or extinguishing devic
Arc preventing or extinguishing devices
Operating mechanism structure or arrangement
218 84, 218140, 218120, H01H 300
Patent
active
060205679
ABSTRACT:
An operation apparatus of a circuit breaker provided with a mobile contact and a fixed contact, the mobile contact is pressed against the fixed contact or drawn apart from the fixed contact, comprising an operation rod fixed to the mobile contact and held to be movable with respect to the fixed contact, a mobile member movably connected to the operation rod, a relative movable range of the mobile member to the operation rod being limited within a predetermined value, a first elastic member for urging the operation rod with respect to the mobile member in a direction in which the mobile contact is pressed against the fixed contact, a fixed member for movably holding the mobile member, a second elastic member for urging the mobile member with respect to the fixed member in a direction in which the mobile contact is drawn apart from the fixed contact, a permanent magnet for driving the mobile member with respect to the fixed member in a direction in which the mobile contact is pressed against the fixed contact, an operation electromagnet for applying a magnet force to the permanent magnet so as to drive the mobile member, and a power supply circuit for energizing the operation electromagnet.
REFERENCES:
patent: 2442477 (1948-06-01), Wallace et al.
patent: 4086645 (1978-04-01), Gorman et al.
patent: 5809157 (1998-09-01), Grumazescu
ABB Leaflet, DEACE 2140-97E, Printed in Germany (07.97-2000-PPI), Jul. 1997 .
Ishikawa Yoshinobu
Kanai Yasuharu
Ohashi Hiroshi
Shiire Hidetake
Taniguchi Makoto
Donovan Lincoln
Kabushiki Kaisha Toshiba
LandOfFree
Operation apparatus of circuit breaker does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Operation apparatus of circuit breaker, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Operation apparatus of circuit breaker will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-939196