| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 335172000 | Tripping means | 19 |
| 20110090031 | MOLDED CASE CIRCUIT BREAKER HAVING INSTANTANEOUS TRIP MECHANISM - Disclosed is a molded case circuit breaker having an instantaneous trip mechanism capable of instantaneously breaking a circuit upon occurrence of a fault current, the circuit breaker comprising: a main circuit unit present in a lower compartment of the molded case circuit breaker, and configured to open or close a circuit by having a stationary contactor and a movable contactor rotatable to contact with or separated from the stationary contactor; a switching mechanism present in an upper compartment of the molded case circuit breaker, and having an open position where the switching mechanism is connected to the main circuit unit to drive the main circuit unit to open a circuit, and a closing position where the switching mechanism drives the main circuit unit to close a circuit; an instantaneous trip mechanism present in the upper compartment, and operating by an electromagnetic attraction in response to generation of a fault current on a circuit so as to trigger the switching mechanism to the open position; and an intermediate insulation barrier installed between the upper compartment and the lower compartment for electrical insulation by partitioning the lower compartment having the main circuit unit and the upper compartment having the instantaneous trip mechanism and the switching mechanism. | 04-21-2011 |
| 20120001708 | Electromagnetic trip device for an electric switch apparatus, electric switch apparatus comprising one such trip device - An electromagnetic trip device comprising a shell and a moving core sliding due to the action of a coil, the shell comprising a radial surface having an opening through which the moving core passes, superposition of a radial crown of the moving core and the radial surface forming a magnetic flux transfer surface enabling flow of an axial magnetic flux. The trip device comprises intercalary adjustment means of said transfer surface respectively positioned between the moving core and the opening, said intercalary adjustment means comprising two calibrated elements adjoined surface against surface and being respectively formed by an alternation of magnetic sectors and non-magnetic sectors; movement of a calibrated element with respect to the other enabling a variation of said transfer surface to be obtained. | 01-05-2012 |
| 20130214885 | ENCLOSED SWITCH INCLUDING A SHUNT TRIP MECHANISM - An enclosed switch includes a switch assembly having separable contacts; an operating mechanism structured to open and close the separable contacts; and a shunt trip mechanism cooperating with the operating mechanism to trip open the separable contacts, wherein the operating mechanism includes a manual operating mechanism. | 08-22-2013 |
| 20140292452 | SWITCHING-DEVICE TRIPPING APPARATUS - A switching-device tripping apparatus for a switching device includes contact pieces that can be moved relative to one another. Relative motion between the contact pieces is generated by a gear or transmission configuration. The gear or transmission configuration has a pawl in order to control motion of the contact pieces relative to each other. First and second tripping devices are provided, which work or operate the same pawl and drive the same pawl. | 10-02-2014 |
| 20150303015 | ELECTROMAGNETIC RELAY - An electromagnetic relay includes a coil, an armature, an iron core, a card, a first contact, and a second contact. The card is connected to the armature and formed of an insulating material. The first contact and the second contact are in contact when there is no flow of electric current through the coil. The first contact and the second contact are separated with the armature being attracted to the iron core to interpose the card between the first contact and the second contact when there is a flow of electric current through the coil. | 10-22-2015 |
| 335174000 | Magnetically operated | 14 |
| 20090153276 | Current trip unit for circuit breaker - A trip unit having a current carrying element, an anchor having an up and a down position, and an oscillator having a first position and a second position. The oscillator in the first position permits the anchor to move into the down position, and the oscillator in the second position blocks the anchor from moving into the down position. Additionally, a magnetic yoke surrounds the current carrying element and the anchor. A magnetic flux flowing through the magnetic yoke moves the anchor into the down position. A magnetic yoke surrounding the current carrying element and the oscillator provides a magnetic flux flowing through the magnetic yoke moves the oscillator into the first position, or into the second position. | 06-18-2009 |
| 20090160588 | ELECTROMAGNETIC OPERATING DEVICE FOR SWITCH - An electromagnetic operating device for a switch comprises a fixed yoke ( | 06-25-2009 |
| 20090237190 | TRIPPING MODULE FOR A SWITCH DEVICE - A tripping module for a switching device includes at least a magnetic system having at least an armature, a coil, and a yoke. The coil is arranged about the armature, and the yoke is arranged about the coil. The armature is provided for tripping at least indirectly a disconnecting apparatus of the switching device. In order to increase security in electric installation arrangements, the yoke includes at least a bent sheet-metal part. | 09-24-2009 |
| 20100066470 | CIRCUIT INTERRUPTER TRIP APPARATUS AND METHOD - A circuit interrupter trip apparatus operably connected to an operating mechanism of a circuit interrupter includes a sensor and a switch operably connected and responsive to the sensor. The switch is positioned such that the sensor changes the operating state of the switch in response to detection of a predetermined electrical condition, such as an electrical fault. A controller is operably connected to the switch and is configured to activate the operating mechanism in response to a change in the operating state of the switch. | 03-18-2010 |
| 20100164659 | OPERATING DEVICE - An operating device performs opening and closing operations of a switch. The operating device includes a lever member that is coupled to a movable contact of the switch and biased by an energy storage spring; a tripping latch that can be engaged with the lever; a tripping trigger that can be engaged with the tripping latch; first and second electromagnets that can operate independently of each other and each of which has a plunger; and a rotating lever that can come into contact with a different portions of the plunger of the first electromagnet, the plunger of the second electromagnet, and the tripping trigger and that is rotated by being pushed by at least one of the plunger of the first electromagnet and the plunger of the second electromagnet, thereby pushing the tripping trigger. | 07-01-2010 |
| 20110169593 | PULSE ACTIVATED MAGNETIC TRIP/RESET MECHANISM FOR A GROUND FAULT CIRCUIT INTERRUPTER - A pulse activated magnetic trip/reset mechanism for a ground fault circuit interrupter, comprising: (i) a body, (ii) a ferrite core, (iii) a plunger, (iv) a ferrite surrounding, (v) a permanent magnet, (vi) a trip/reset coil, (vii) a reset spring positioned between a plunger block and the body, (viii) a first fixed contact holder having a first fixed contact point, and (ix) a first movable contact holder having a first movable contact point, wherein the first movable contact holder is attached to the body of the plunger such that when the plunger is in its first position (trip position), the first movable contact point is not in contact with the first fixed contact point, and when the plunger is in its second position (reset position), the first movable contact point is in contact with the first fixed contact point. | 07-14-2011 |
| 20120025933 | SWITCH AND ELECTRONIC DEVICE - A switch and an electronic device maintain a power supply ON state until data processing is completed, and automatically turn OFF the power supply after the data processing is completed. The switch includes a rotation operating body that does not receive an operation force from an operating element when OFF operated is arranged inside the operating element. The rotation operating body includes a switch operating portion for turning ON a power supply switch mechanism and a return spring regulating piece for biasing a return spring in an anti-biasing direction. A regulating state of the return spring regulated by the return spring regulating piece is held, where the ON state of the power supply switch mechanism is held with a permanent magnet, and the ON state of the power supply switch mechanism is released by applying a release force on the permanent magnet when the power supply is reset. | 02-02-2012 |
| 20120218062 | CIRCUIT BREAKER - A circuit breaker is disclosed, wherein the circuit breaker according to an exemplary embodiment of the present disclosure includes a permanent magnet rotatably hinged to a yoke, and wherein the permanent magnet is changed in magnetic path direction thereof by rotation to set up a sensitivity current, whereby a defect ratio of product is minimized. | 08-30-2012 |
| 20130009733 | SHORT-CIRCUIT RELEASE HAVING AN OPTIMIZED MAGNETIC CIRCUIT - A short-circuit release is disclosed, in particular for a power circuit-breaker. In at least one embodiment, the short circuit release includes an armature and pole that are located inside a coil former and further includes a yoke plate and terminal connection that are positioned around the coil former. Arranged opposite the yoke plate is a magnetic plate resting against the terminal connection. | 01-10-2013 |
| 20140070909 | ELECTRIC MAGNET DEVICE AND SWITCH PROVIDED THEREWITH - An aspect of the present invention provides an electric magnet device, in which a smooth movement of an armature is ensured and, even if a vibration or an impact is applied, an attraction state between a yoke and the armature is maintained to prevent a malfunction, and a switch provided therewith, where the electric magnet device includes: a coil adapted to insert through an armature and a yoke so as to attract surfaces of the yoke and the armature, which are opposed to each other, to receive a voltage, to excite for separating the surfaces of the yoke and the armature; the armature disposed on one end side of the coil; and the yoke disposed on the other end side of the coil and adapted to oscillate, such that an oscillation angle of the yoke is greater than that of the armature. | 03-13-2014 |
| 20140118096 | PRY PLATE TRIPPING CIRCUIT BREAKER - A pry plate tripping circuit breaker includes a housing, an operation mechanism, a lock catch, a tripping mechanism, a movable contact, an immovable contact, an arc extinguish chamber and a bimetallic strip. The lock catch includes a lock portion to cooperate with the operation mechanism and an action portion to cooperate with the tripping mechanism. The trigging mechanism includes a pry plate unit and a drive unit to drive the pry plate unit. The drive unit includes a conductive plate electrically connected with the bimetallic strip and an electromagnetic induction member on the conductive plate. The pry plate unit includes a pry plate. One end of the pry plate is provided with an armature, and another end of the pry plate corresponds to the action portion of the lock catch. The pry plate is provided with an elastic member. | 05-01-2014 |
| 20140184365 | METHOD FOR AUTOMATIC DECOMMISSIONING OF NETWORK PARTICIPANTS - Disclosed is a memory device in which the state of the memory may be set by a mechanical action, with or without mains power present. The memory state may be detected by a microcontroller. The state for the memory device may be reset by a microcontroller. The microcontroller may be external to an apparatus containing the memory device, adjacent to or within the apparatus. | 07-03-2014 |
| 20140347150 | Device and Method for Switching Electrical Load Circuits - A device and method for switching electrical load circuits involve the use of an overload contact integrated in an exciting current circuit of a magnetic coil. The electrical load circuits include an electromagnetic contactor having a magnetic drive formed from a magnet yoke with a magnet coil and a magnet armature to which a contact bridge is coupled as a movable contactor contact by a contact retainer. In the switched-on state the contactor generates a magnetic retaining force for contacting the contact bridge with fixed contacts. The retaining force results from a magnetic field generated by the magnet coil, and the retaining force is greater than an armature opening force. The overload contact is integrated in the exciting current circuit of the magnet coil in such a manner that that when the exciting current circuit is closed and a movement of the contact bridge against the magnetic retaining force occurs, the magnet coil can be short-circuited by closing the overload contact. | 11-27-2014 |
| 20160012998 | Circuit Breaker and Apparatus Including Slot-Retained Armature Linkage and Methods of Fabricating the Same | 01-14-2016 |
