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Patent Searching and Data


Matches 351 - 400 out of 15,789

Document Document Title
WO/2001/052289A1
A circuit breaker having a contact arm for rotatably holding a movable element by a movable element pin, wherein the lateral wall of a casing opposed to the front end of the movable element pin is formed with an inclined surface such tha...  
WO/2001/045129A1
The invention relates to a simulation switch for incorporation into a flight simulator and simulation of an excess-current circuit breaker which can be manually actuated using an actuating element (10). The inventive simulation switch co...  
WO/2001/041168A1
A circuit breaker that utilizes pressurized gas produced by the generation of arcs and that is compact and has a high cut-off performance. The circuit breaker comprises a stator (33) having a fixed contact (34), a turnable movable elemen...  
WO/2001/027958A1
The invention concerns a reverse current relay comprising a relay magnet and a protective device each capable of acting through a multipolar member on mobile contacts in response respectively to a deliberate command or an electric fault ...  
WO/2001/027948A1
An electric pole for a low-voltage power circuit breaker, comprising: a fixed contact and a movable contact which can be mutually coupled/uncoupled; at least two conducting elements, suitable to electrically connect the movable contact t...  
WO/2001/027959A1
A plug-in circuit breaker wherein a safety trip device (20) comprises a trip bar (21) engageable with a trip mechanism (30), a compression spring (22) biasing the trip bar (21) toward a mounting unit (2) and a case (23) housing therein t...  
WO/2001/028054A1
A connection device for a low-voltage power circuit breaker, wherein the circuit breaker comprises: a fixed part, provided with terminals for connection to an electric circuit in which the circuit breaker is inserted, and with disconnect...  
WO/2001/024207A1
The invention relates to a low-voltage power circuit breaker, comprising a contact unit (5), specifically designed to accommodate contact levers (8), which has receiving bores (12) for a bearing bolt (10) that passes through the contact ...  
WO/2001/024214A1
The invention relates to a load-disconnecting switch with a permanent magnet holding circuit. When excited, a coil (5) generates a magnetic flux that is opposite to the flux of the permanent magnet (9). The armature (6) is pre-stressed i...  
WO/2001/020631A1
The invention relates to a low-voltage switchgear. The aim of the invention is to minimize guide play occurring in the bridge contact that is guided in the housing of such a switchgear. To this end, the inventive low-voltage switchgear c...  
WO/2001/016987A1
A circuit interrupter including a housing, separable main contacts disposed in the housing, and an operating mechanism disposed in the housing and interconnected with the contacts. The operating mechanism includes a cradle for rotating f...  
WO/2001/009908A1
An electrical circuit breaker comprises at least one pair of electrical contacts (52) adapted for connection to an electrical circuit through which electrical current flows, at least one insulating element (54), and an actuator (55) whic...  
WO/2001/006530A1
The invention relates to a displaceable contact (10), especially for a circuit-breaker which is rotatably mounted with a rotor in a concentric manner, which connects two fixed contacts to one another when in a closed position, and which ...  
WO/2001/002178A1
A method of calibrating a micro electro-mechanical device in the form of an ink ejection nozzle having an actuating arm that is caused to move an ink displacing paddle when heat inducing electric current is passed through the actuating a...  
WO/2001/002180A1
A method of detecting a fault within a micro electro-mechanical device in the form of an ink ejection nozzle having an actuating arm that moves an ink displacing paddle when heat inducing electric current is passed through the actuating ...  
WO/2001/002289A1
A micro electro-mechanical device embodied within an ink ejection nozzle having an actuating arm that is caused to move an ink displacing paddle (27) when heat inducing electric current is passed through the actuating arm. The device inc...  
WO/2001/003153A1
A switching contact arrangement (5) of a low voltage circuit breaker (1) has a stationary contact group (7) and a moving contact group (10) that interacts with the same. These contact groups (7, 10) have interacting main contacts (20, 22...  
WO/2001/001426A1
A dual-rated current transformer circuit (10) has a first current line (12) which delivers a first current (IA) and a second current line (14) which delivers a second current (IB). A current transformer (20) is coupled to both the first ...  
WO/2000/065621A1
The invention relates to a switching gas damper (1) for low voltage power circuit breakers (2) which is arranged as a top part placed above the arcing chambers (6, 7, 8) in order to effect additional damping, deionization and cooling of ...  
WO/2000/063939A1
An integrated electrically actuable mechanical release mechanism provides three separate fault detectors each arranged to detect a different current-driven fault in an electrical circuit. In a preferred embodiment a bimetallic strip is u...  
WO/2000/060628A1
An electro-mechanical circuit breaker has first and second normally open electrical contacts (14, 16) and a manual reset member (30) which can be moved axially, by pushing on a button (34), to set the circuit breaker by latching the cont...  
WO2000024014A9
A mid-trip stop circuit breaker (10) having a handle (160) adapted for displacement about an axis of rotation (170) between a first position and a second position. The handle (160) being linked to a member (500) whose position correspond...  
WO/2000/046880A1
The invention concerns an electric switch assembly comprising multipolar quick-assembly appliance and quick-connect appliances which can be quickly assembled. The body of an appliance, or its power terminal strip, is directly fixed to th...  
WO/2000/046824A1
The invention relates to a circuit-breaker comprising a switch compartment housing (1) which is made of a plastic material and houses an interrupter. Said interrupter comprises at least one fixed switching element (4, 5) which via a busb...  
WO/2000/041201A1
Trip system for an electric switch, comprising a yoke of magnetic material, consisting of a yoke base part, a first yoke leg and a second supporting yoke leg, said first and second yoke legs extending at a mutual spaced relation and in t...  
WO/2000/041197A1
A rotary contact circuit breaker having a venting arrangement to vent gasses operated by a short circuit interruption to a location substantially above the load strap of the breaker whereby electrical components are not damaged by the ga...  
WO/2000/041202A1
A current limiter having an excellent current-limiting function and produced at low cost and a circuit breaker comprising the same and having a small impedance are provided so as to prevent the case from being damaged because of an unwan...  
WO/2000/039826A1
The invention relates to an actuating element (3) for producing a switching connection between a drive element (5) of a main switch (1) and an actuator (6) of an auxiliary switch (2). This arrangement enables a movement of the drive elem...  
WO/2000/036624A1
A circuit breaker and method for interrupting the flow of electric current in a line having a load and a source including a first switch connected in series with the line and a first actuating device coupled to the first switch and adapt...  
WO/2000/034971A1
The invention relates to a circuit breaker protecting electric circuits especially in motor vehicles. Said circuit breaker comprises a flat housing consisting of an insulating material with two juxtaposed flat plugs. The flat plugs are c...  
WO/2000/024012A1
A parallel pole magnetohydraulic circuit breaker (10), having a single trip element (271) and a pair of trip mechanisms (101, 102), achieving an increased current carrying capacity with reduced nuisance trips. The trip mechanisms (101, 1...  
WO/2000/024014A1
A mid-trip stop circuit breaker (10) having a handle (160) adapted for displacement about an axis of rotation (170) between a first position and a second position. The handle (160) being linked to a member (500) whose position correspond...  
WO/2000/013196A1
An instantaneous trip power transformer particularly well suited for residential circuit breaker applications includes a high current main outer winding wound to have one or more turns, for providing the main breaker contact current path...  
WO/2000/011696A1
Resettable circuit interrupting devices (10) having a reset lockout and an optional independent trip mechanism (50, 52, 54) are provided. The reset lockout prevents the resetting of the circuit breaker if the fault protection is non-oper...  
WO/2000/010188A1
The invention relates to a switch-operating lever unit for switches, comprising a switch-operating lever body (2) on which a contact lever (3) is mounted. Caps (8) for covering and mounting the switch-operating lever body (2) are arrange...  
WO/2000/007205A1
A power limiting mechanism must be provided especially for protecting electrical-mechanical contactors from welding during power surge resulting from a short circuit. According to the invention, the power limiting mechanism (1) closes a ...  
WO/1999/062092A1
A circuit breaker rotary contact assembly employs a common pivot between the rotor assembly and the rotary contact arm. A pair of off-center expansion springs directly engage the rotor at one end and engage the rotary contact arm via a l...  
WO/1999/060593A1
An improved trip mechanism for an overload relay includes a housing, a bistable armature mounted in the housing on a pivot for pivotal movement between two stable positions and fixed contacts within the housing. Moveable contacts are loc...  
WO/1999/060594A1
Ease of assembly, inexpensive construction and improved reliability may be achieved in a trip mechanism for an overload relay including a housing (10) containing a bistable armature (18) mounted in the housing (10) on a pivot (16) for pi...  
WO/1999/057742A1
A circuit protection apparatus includes a circuit breaker coupled in series with a circuit to be protected. The circuit breaker has a trip input and is responsive to a trip signal at the trip input for changing from a closed circuit cond...  
WO/1999/056371A1
The invention relates to a circuit breaker with which it is possible to adjust the nominal current of the switch on the electronic tripping device. The solution is suited for all circuit breakers having an electronic tripping device whic...  
WO/1999/049490A1
The invention relates to a circuit-breaker which is activated by rotation and which has a leading auxiliary switch. When the circuit-breaker is switched on, the auxiliary contacts of the auxiliary switch (4) are activated temporally befo...  
WO/1999/036928A1
The load lugs electrically connecting circuit breakers employing electronic trip units with associated electrical distribution circuits are shaped to provide magnetic flux concentration to Hall effect current sensors within the electroni...  
WO/1999/037006A1
A circuit interrupter of the type including an electronic trip unit for overcurrent determination which includes a small-sized iron core current transformer to power the trip unit electronics along with a giant magnetic resistor semicond...  
WO/1999/031697A1
A reverse deflection prevention arrangement is provided for use in a circuit breaker for preventing a bimetal from bending in a direction opposite its normal thermal deflection. The reverse deflection prevention arrangement includes a ta...  
WO1999010902A3
A Positive Temperature Coefficient Resistivity (PTC) element has a resistivity that increases as the temperature increases. Circuit breakers having PTC elements can achieve better overload and short circuit protection than existing produ...  
WO/1999/013483A1
An electronic switch circuit (10) including an electromagnetic relay device (18) having an electromagnet (20) and at least two contacts (21), a controlled semiconductor device (22), a semiconductor command circuit (24) for controlling th...  
WO/1999/010902A2
A Positive Temperature Coefficient Resistivity (PTC) element has a resistivity that increases as the temperature increases. Circuit breakers having PTC elements can achieve better overload and short circuit protection than existing produ...  
WO/1998/048436A1
The invention relates to an electromagnetic switching device (1) having an electromagnetic driving device (3) that acts as an auxiliary magnetic system, with which, on occurrence of a short-circuit current, the contact force is increased...  
WO/1998/038666A1
Electro-mechanical switching devices have at least one movable contact and one pertaining drive mechanism in the casing of an appliance. Means for contactless identification of switching status have already been disclosed, wherein magnet...  

Matches 351 - 400 out of 15,789