EP 0616721 B1 19971229 - PRESSURE SWITCH DEVICE
Title (en)
PRESSURE SWITCH DEVICE
Title (de)
DRUCKSCHALTER VORRICHTUNG
Title (fr)
DISPOSITIF COMMUTATEUR A PRESSION
Publication
Application
Priority
- GB 9221492 A 19921013
- GB 9302117 W 19931013
Abstract (en)
[origin: WO9409503A1] A pressure operated switch device in which switch operation is effected by movement of the diaphragm in response to a fluid pressure difference across it, permanent magnets (40, 41) hold the diagphragm assembly (10) against switch operating movement until a reset device (45) is operated to release the diaphragm assembly from the magnets. A further permanent magnet (32) assists snap action and movement of the diaphragm assembly against the plungers of microswitches (20, 21), mounted on a bracket (25) which limits diaphragm movement against the plungers. A return spring (36) biasses the diaphragm assembly against the permanent magnets (40, 41).
IPC 1-7
IPC 8 full level
H01H 5/02 (2006.01); H01H 35/26 (2006.01)
CPC (source: EP)
H01H 5/02 (2013.01); H01H 35/2621 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IE IT LI NL PT SE
DOCDB simple family (publication)
WO 9409503 A1 19940428; AT E161654 T1 19980115; AU 5283093 A 19940509; DE 69315978 D1 19980205; DE 69315978 T2 19980730; EP 0616721 A1 19940928; EP 0616721 B1 19971229; FI 942770 A0 19940610; FI 942770 A 19940610; GB 9221492 D0 19921125; NO 307396 B1 20000327; NO 942123 D0 19940608; NO 942123 L 19940613
DOCDB simple family (application)
GB 9302117 W 19931013; AT 93922991 T 19931013; AU 5283093 A 19931013; DE 69315978 T 19931013; EP 93922991 A 19931013; FI 942770 A 19940610; GB 9221492 A 19921013; NO 942123 A 19940608