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Class 218/84 - Operating mechanism structure or arrangement


Subclass of Class 218 - High-voltage switches with arc preventing or extinguishing devices
Definition: Subject matter including details of the structure or arrangement
No. of patents: 133
Last issue date: 11/03/2009


1        
NumberTitleIssue Date
7612309Buffering mechanism for gas circuit breaker
A buffering mechanism for a gas circuit breaker includes a center piece which includes two protrusions extending from two ends thereof and two match surfaces are defined in two opposite sides of the center piece. Two side boards each have a pivot hole and a slot def...
11/03/2009
7343137Circuit, switching module comprising the same, and use of said switching module
The invention relates to a circuit comprising an antenna input (1), a signal input (2) and a signal output (3), and a switching unit (4), wherein the antenna input (1) is connected to a first protection device (6) against el...
03/11/2008
7332989Switch mechanism
A switch mechanism has at least one set of contacts including at least one fixed contact and at least one moveable contact which is carried by an axially moveable carrier that is held by a spring-loaded detent when the contacts are closed, the carrier being released...
02/19/2008
7277294Contactor draw out tray
An electrical contactor draw out tray has a movable frame and a stationary frame in which the movable frame carries the electrical components for an electrical feeder circuit. The stationary frame is preferably housed within a power distribution center and has input...
10/02/2007
7211750Switching mechanism with shock absorber
A switching mechanism provides sequential switching of first and second circuit breakers to enable switching between a primary power supply and a backup power supply. The switching mechanism comprises an actuating mechanism to sequentially actuate a pair of circuit ...
05/01/2007
7189933Solid insulated disconnection switch
Provided is a solid insulated disconnection switch including a base frame to which outside electrical equipment is electrically connected, a driving assembly generating rotating power, a shaft of which an outside surface has a screw thread and which is rotated by th...
03/13/2007
7148677Vacuum circuit interrupter including circuit monitoring leakage or loss of vacuum and method of monitoring a vacuum interrupter for leakage or loss of vacuum
A method monitors a vacuum interrupter for leakage or loss of vacuum. The vacuum interrupter includes a line side, a load side and separable contacts electrically connected therebetween. The line side has a line side voltage and the load side has a load side voltage...
12/12/2006
7045733Low-voltage circuit-breaker and corresponding positive-opening-operation device
Described herein is a low-voltage circuit-breaker, which comprises at least one mobile contact and a corresponding fixed contact, and a positive-opening-operation device. The positive-opening-operation device in turn comprises: a moving element associated to the mob...
05/16/2006
7038157Vacuum circuit breaker with coaxial coil for generating an axial magnetic field in the vicinity of the contact members of the circuit breaker
Vacuum circuit breaker, provided with a casing, in which a fixed and movable contact member are each attached to a supporting contact rod and supported therein in a mutually electrically isolated manner, and a coil coaxial to the casing and surrounding the contact m...
05/02/2006
7009130Switching device
A switching device changes over breaking and closing of an electric current by opening/closing a contact portion. An electrically-operated motor generates energy for closing a contact and energy generated by the rotation of the electrically-operated motor is accumul...
03/07/2006
6927355Circuit breaker
The invention relates to a circuit breaker, preferably for high or medium voltage. The movable conact of each breaker pole is connected, via mechanical means for transmitting movement, to a movable part of an electric motor (6). The movable contact and the me...
08/09/2005
6921989Electrical switchgear with synchronous control system and actuator
A closed loop feedback system controls electrical switchgear that moves at least one contact relative to another contact to switch power on and off in an AC electrical circuit. The control system includes a position feedback device that is operatively coupled to at ...
07/26/2005
6919785Pressure sensitive trip mechanism for a rotary breaker
A pressure sensitive trip mechanism for actuating a circuit breaker operating mechanism to trip a circuit breaker includes a trip lever and a trip bar. The trip lever is rotatable about a first pivot. The trip bar is positioned proximate the trip lever. The trip bar...
07/19/2005
6818850Disconnect switch for switching capacitive currents
A disconnect apparatus for electrical power lines comprises a circuit interrupter having a fixed contact and a moveable contact. A linkage mechanism has first and second coupling elements. The second coupling element is secured to the moveable contact for operating ...
11/16/2004
6815629Hydraulic pressure actuating apparatus for circuit breaker
In a hydraulic pressure actuating apparatus for a circuit breaker, contacts of the circuit breaker have a moving contact and a stationary contact for turning on/off current. A shaft, at an end portion of which is attached the moving contact, and at the other end of ...
11/09/2004
6762387Gas-insulated switch
A gas-insulated switch equipped with a fixed contact and a moving contact that can contact with and separate from the fixed contact, wherein a single shock absorber absorbs the shock in both the breaking action and the closing action of the moving contact. ...
07/13/2004
6747232Vacuum contactor
In a vacuum contactor, the armature is initially deflected from an armature rest position through an initial movement distance, and then through a driving movement distance to an armature operating position when a pull-in current is applied to a drive coil. An opera...
06/08/2004
6717088Gas-insulated switch
A gas-insulated switch equipped with a fixed contact and a moving contact that can contact with and separate from the fixed contact, wherein a single shock absorber absorbs the shock in both the breaking action and the closing action of the moving contact. ...
04/06/2004
6649853Combined type fluid pressure driving apparatus
The present invention provides a switchgear, which can achieve miniaturization and simplification while securing high operation reliability, and excellent in assembly, operability and inspection, and further, has a compact size. A fluid pressure operating...
11/18/2003
6486420Disconnector contact drive devices for switching installations which supply and distribute power
Disconnector contact drive devices for switchgear for power supply and distribution are described, in particular for air-insulated medium-voltage switchgear, having movable pole units. In where in a first movement sequence, the disconnector contacts are s...
11/26/2002
6429394Power breaker
The power breaker is provided with at least one arcing chamber (2) which is filled with SF6 gas, is rotationally symmetrical, and extends along a longitudinal axis (3). The arcing chamber (2) has a power current path with a central contact pin ...
08/06/2002
6410873High voltage circuit breaker, especially a gas-blast circuit breaker
In a high-voltage power breaker having two mutually opposite switching contacts which, when connected are surrounded by an insulating material nozzle, coaxially with respect to which a shielding electrode is arranged, with a first switching contact, which...
06/25/2002
6396018Power circuit switch
There are provided an operating mechanism that drives the opening/closing of contacts, and a sliding conduction part that forms electrical connection of these contacts and the main circuit on receipt of a connection voltage; grease is applied to the mecha...
05/28/2002
6365863High voltage circuit-breaker with a counter-contact which can be actuated
In a high voltage circuit breaker having a contact system comprising a contact driven by a switch mechanism and a counter-contact opposite the contact and driven by an auxiliary gear, the parallel current path leading over the auxiliary gear is interrupte...
04/02/2002
6316742Limited restrike circuit interrupter used as a line capacitor and load switch
An actuator mechanism that decreases the time needed to move the contacts of a circuit interrupter between a closed circuit position and an open circuit position to reduce the probability of the occurrence of restrikes. The actuator mechanism uses a toggl...
11/13/2001
6271494High voltage circuit breaker with two arcing contacts which can be actuated in an opposite direction
A high-voltage circuit breaker is described having arcing contacts, which can be driven in opposite directions, as well as corner gears that are coupled, via a driving rod, with the driven insulating nozzle surrounding the arcing contacts, with the corner...
08/07/2001
6229109Power circuit breaker with rack-pinion operating mechanism for movable contact
A contact pin is operationally connected through racks and pinions to a movable mating contact arrangement in such a way that it executes a movement counter thereto. Through two spokes through which the racks are guided, it bears a contact ring which surr...
05/08/2001
6207919Load break interrupter having shunt circuit break actuating mechanism
A load break interrupter includes a case, an arc-suppressing tube mounted on and projecting outwardly from the case, a shunt circuit rod slidably supported in the tube with the rod and tube having electrical contacts mounted thereto and convertible betwee...
03/27/2001
6177643High-voltage circuit-breaker having an axially displaceable field electrode
In a high-voltage circuit-breaker having arcing contact pieces that are movable relatively to each other, and an axially movable insulating nozzle, provision is made for an axially displaceable field electrode on the side lying opposite the drive. Used as...
01/23/2001
6072142Switch assembly for high voltage overhead lines
A switch assembly for high voltage overhead lines. The assembly includes circuit breakers with associated operators and circuit disconnectors with associated operators. These are supported by a stand. This switch assembly construction reduces the amount o...
06/06/2000
6020567Operation apparatus of circuit breaker
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...
02/01/2000
6018134Main circuit switching apparatus
A main circuit portions are arranged in the order of a breaking section fixed-side conductor, a breaking section movable-side conductor, a disconnecting section movable-side conductor, and a disconnecting section fixed-side conductor, and first and second...
01/25/2000
5932858Stored-energy mechanism for a high-voltage circuit-breaker pole filled with an insulating gas
A stored-energy mechanism for a high-voltage circuit-breaker pole filled with an insulating gas with a drive rod, which transmits the drive movement to an interrupter unit by thrust or traction and which can be driven through a drive crank attached to a d...
08/03/1999
5902979Gas insulation type load break system
An improved gas insulation type load break system, which is capable of more easily discharging remaining current of a cable to which the power supply is disconnected, and enabling an easier cable connection test after the cable connection work is finished...
05/11/1999
5898151Circuit-breaker with a disconnector
A circuit-breaker including main contacts and arcing contacts includes a shaft carrying a first lever connected to the moving main contact. A hub is mounted inside the shaft and carries a second lever connected to the moving arcing contact; the shaft and ...
04/27/1999
5898149Power circuit-breaker
This power circuit-breaker has at least one cylindrically constructed arcing chamber which is provided with a stationary contact, with a moving contact and with a quenching zone between the two contacts. A shaft of the moving contact is permanently connec...
04/27/1999
5889248Operating mechanism for combined interrupter disconnect switch
An apparatus for operating a combined interrupter disconnect switch is disclosed. The disconnect switch is operated by a slow speed linear motion of a mechanism pullrod. The interrupter, which is a component of the disconnect switch arm, is operated by a ...
03/30/1999
5856642Clutch coupled switch operator
The present invention provides a clutch-coupled crossarm mounted switch operator. The switch operator of the invention includes rotational motor means, a non-positive contact or infinite engagement clutch mechanism, and an output coupling. The rotational ...
01/05/1999
5841087Isolating switch
The isolating switch (1) contains an isolating switch housing (2) and at least two switching points (18, 19, 20) which are arranged in the isolating switch housing (2), are of axially symmetrical design, and each have one fixed switching element (7, 8, 9)...
11/24/1998
5814782Rower circuit-breaker having a closing resistor
The power circuit-breaker is provided with at least one arcing chamber which extends along a central axis and has at least one power interruption point with at least one contact which is moved by a drive. A closing resistor is connected in series with the...
09/29/1998
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