EP 0122694 A1 19841024 - Control switch and limiter.
Title (en)
Control switch and limiter.
Title (de)
Kontroll- und Endschalter.
Title (fr)
Interrupteur de contrÔle et de fin de course.
Publication
Application
Priority
HU 135083 A 19830419
Abstract (en)
The invention relates to a control switch and limiter especially for use in an explosive environment, comprising an outer housing (1) made of insulating material, a switch chamber (19) in the outer housing (1) including switching means, an actuator (16) connected to and actuating the switching means, and a movable contact (3) changing its position between fixed contacts (2, 2a) in the said switching means for switching, wherein the improvement is that the actuator (16) comprises a magnetic element generating magnetic forces outside of the outer housing (1), and inside of the outer housing (1) an inner permanent magnet (8) is coupled with the magnetic element and said inner permanent magnet (8) is interconnected with an insulating body (7) guided for actuating the movable contact (3). The device according to the invention ensures higher life duration than the devices according to the art and may be used also in explosive or agressive environment without the risk of breaking down or involving explosion.
IPC 1-7
IPC 8 full level
H01H 13/18 (2006.01); H01H 13/12 (2006.01); H01H 36/00 (2006.01)
CPC (source: EP)
H01H 36/00 (2013.01)
Citation (search report)
- [X] FR 2045254 A5 19710226 - DAVID MICHEL
- [Y] FR 2438907 A1 19800509 - FRANQUEVILLE PHILIPPE
- [X] FR 2513807 A1 19830401 - MENARD GILLES [FR]
- [X] FR 2492580 A1 19820423 - DANEROL JACQUES [FR]
- [X] FR 2451093 A1 19801003 - DALMAU RAYMOND
- [X] FR 1114385 A 19560411 - LABINAL ETS
- [X] US 3529269 A 19700915 - GARDINER WILLIAM P
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
DOCDB simple family (application)
EP 84301039 A 19840217; JP 7676484 A 19840418