Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › H01H 50 - Details of electromagnetic relays
Patents for H01H 50 - Details of electromagnetic relays (9,923)
12/1990
12/05/1990EP0400442A2 Contact piece for electrical switching device
12/05/1990EP0400434A1 Casing for connecting an electric component particularly a relay to electric vehicle dashboard conductors
12/04/1990US4975739 Electromagnetic relay
12/04/1990US4975545 Sealed relay assembly
11/1990
11/29/1990DE3923137C1 Socket for plug-in terminal pins or relay - has tongues for internal wiring accepting further plug-in unit e.g. adaptor
11/27/1990USRE33457 Switch
11/22/1990EP0398627A1 Water cover arrangement for a solenoid apparatus
11/20/1990US4972166 Electromagnetic relay
11/20/1990US4972165 Electrical structural component
11/20/1990US4971566 Printed wiring board connector
11/13/1990US4969844 Electromagnetic contector
11/13/1990CA1276217C Quick-mount device for contactors
11/07/1990EP0396098A2 Method of manufacturing base of electromagnetic relay
10/1990
10/31/1990EP0394833A1 Terminal Device
10/31/1990EP0394804A1 Plug-in socket for relay
10/24/1990EP0393628A2 Casing for an electromechanic component
10/24/1990EP0393597A2 Contact device
10/18/1990DE4010142A1 Magnetschalter mit verriegeltem zwangsbetrieb Magnetic switch with locked forced operation
10/18/1990DE3911906A1 Compact relay with monostable anchor element - moves in guide rail perpendicular to coil axis, and has contact and coil leads in separate compartments insulated from each other
10/17/1990EP0392761A2 Operation display apparatus for electromagnetic relay
10/17/1990CN2064100U Contactor of detachable contact system
10/17/1990CN2064098U Electricity-saving coil of a.c. contactor
10/16/1990US4964144 Counter for electric switch device
10/11/1990DE3908442A1 Electromagnetic switching device
10/10/1990CN2063687U Protective winding for ac contactor
10/09/1990CA1275140A1 Circuit breaker, in particular an accessory or motor contactor
10/09/1990CA1275138A1 Electromagnetic relay
10/04/1990DE4010136A1 Electromagnetic protection switch assembly - uses locating device between coil carrier and cover incorporating contact carrier
10/03/1990EP0390553A1 Core and contact assembly for a coaxial engine starter
09/1990
09/26/1990EP0388823A2 Locking device against simultaneous switching-on of two mecanically or electromecanically operated switchgears
09/25/1990US4959627 Electromagnet relay
09/25/1990CA1274573A1 Translation movement direct current electro-magnet
09/20/1990DE3908319A1 Electromagnetic contactor for machinery or air conditioning
09/18/1990US4958137 Electromagnetic relay
09/11/1990US4956624 Auxiliary switch attachment block
09/11/1990US4956623 Electromagnetic relay
09/04/1990US4954798 Device for coupling reversible electromagnetic contactors to each other with an interlock unit
08/1990
08/29/1990EP0384790A1 Electromagnetically or forcedly controlled switching apparatus
08/22/1990EP0383416A1 Electromechanic relay
08/21/1990US4951018 Electromagnetic contactor
08/21/1990US4951017 Electromagnetic relay
08/21/1990US4951016 Polarized electromagnetic multi-contact relay
08/21/1990US4950846 Multiple pole electric relay
08/21/1990CA2010513A1 Contactor with protected switches
08/16/1990EP0382525A1 Electromagnetic relay
08/16/1990EP0382328A1 Relay with adjusting device
08/14/1990US4949058 Electromagnetic relay
08/09/1990WO1990009028A1 Electromechanical microrelay
08/09/1990DE4003109A1 Three=phase inverter switch
08/08/1990EP0381542A1 Protected phase-reversal contactor using a multifunctional transmission system for the control of confirmation switches
08/07/1990US4947285 Reversing circuit for direction reversal in direct current drives
08/07/1990US4947146 Electromagnetic contactor
08/03/1990CA2007196A1 Protected converter invester with multifunctional transmission system to control confirmation switches
08/01/1990CN2060011U Direct-push type bidirection magnetic maintainer
07/1990
07/31/1990US4945328 Electrical contactor
07/26/1990WO1990008419A1 Terminal box having built-in connection switching contactor for three-phase induction motor
07/26/1990DE3901513A1 Connecting device for contactor coils
07/26/1990CA2000444A1 Improved electromagnetic contactor
07/12/1990DE3842940A1 Electromagnetic relay
07/04/1990EP0375732A1 Locking device for switchgear with electromagnetic drive
06/1990
06/28/1990DE3843944A1 Electrical contactor arranged in a housing
06/27/1990EP0375398A2 Electromagnetic relay
06/27/1990EP0374552A2 Method for making an electromagnetic relay, and relay obtained thereby
06/27/1990EP0374304A1 Electromagnetic relay
06/26/1990US4937544 "Contact arrangement for a relay"
06/26/1990US4937543 Relay assembly having plug connections
06/14/1990WO1990006588A1 Electromagnetic relay
06/13/1990EP0373142A1 Bistable magnet
06/13/1990EP0372554A2 Electromagnetic relay
06/12/1990US4933655 Mounting structure of a reed switch for an eddy-current indicator
06/12/1990US4933654 Polarized electromagnetic relay
06/06/1990CN1042800A Magnetic system for snap-opening
06/06/1990CN1042796A Lock mechanism for limiting contact maker
06/05/1990US4931757 Contactor and/or circuit breaker
05/1990
05/31/1990WO1990005989A1 Armature/actuator for a relay
05/30/1990EP0370452A2 Electromagnetic relay having an improved terminal structure
05/23/1990EP0369844A1 Locking mechanism for a current-limiting contactor
05/23/1990EP0369111A1 Magnet system for rapid disconnection
05/16/1990EP0367931A1 Adjustable relay
05/15/1990US4926150 Electromagnetic relay
05/15/1990US4926149 Protected electric switching apparatus and a device for fixing same
05/10/1990DE3837666A1 Relay
05/10/1990DE3837299A1 Method and device for producing a loop relay
05/08/1990US4924197 Electromagnetic relay
05/01/1990US4922216 Electromagnetic switching device
04/1990
04/18/1990EP0363976A1 electromagnetic relay
04/18/1990EP0363523A1 Mechanical interlock
04/18/1990EP0363410A1 Improvements in and relating to electrical components
04/17/1990US4918414 Electromagnetic switching device
04/12/1990DE3834413A1 Electrical apparatus, especially for motor vehicles
04/11/1990CN2055988U Contactor suitable for fitting with capacitor
04/10/1990US4916423 Water cover arrangement for a solenoid apparatus
04/10/1990US4914806 Method of manufacturing contact block
04/04/1990EP0361442A2 Relay device for switching radio frequency signal
04/04/1990EP0361392A2 Polarized electromagnetic relay
04/04/1990CN1007469B Magnetic system for rapid interruption
04/03/1990US4914411 Electro-magnetic relay
04/03/1990US4914410 Relay for printed circuit board
03/1990
03/28/1990EP0360271A2 Electromagnetic polar relay
03/21/1990EP0359566A2 I/O relay interface module
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