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Patent Searching and Data


Matches 101 - 150 out of 669

Document Document Title
WO/1995/022164A1
A contact blade assembly for a circuit breaker comprises a blade carrier, an elongated blade, and a toggle spring. The blade carrier includes a blade pivot and a first spring pivot. The elongated blade has an electrical contact mounted t...  
WO/1995/022165A1
A blade suspension assembly for a circuit breaker comprises a pivot pin, a torsion spring, an elongated blade, and a blade carrier. The torsion spring includes a lateral middle section, a pair of end legs disposed on opposite sides of th...  
WO/1995/003619A1
Such switches have current connections for contacts. One contact may be a fixed contact and the other contact may be a mobile contact. A drive opens the mobile contact when a predetermined electric current intensity is exceeded. The elec...  
WO/1994/010734A1
A device for protecting against overcurrents includes at least one body (10) of an electrically conductive elastomeric material, and two electrodes. The defining surface of the elastomeric body is intended to abut with and be deformed ag...  
WO/1993/021677A1
An overload protector includes at least one body (10) made of an electrically conductive elastomeric material, and two electrodes. The defining surface (10') of the elastomeric body is intended to lie against and be deformed against a su...  
WO/1993/020571A1
The vacuum switch described has a vacuum tube (10) operated by means of a lever assembly via an actuator. A two-arm actuator lever (51) is mounted to pivot on a displaceable connector bolt (15) on the tube (10) and operates in conjunctio...  
WO/1993/013537A1
A compact circuit breaker (10) in an enclosure (24) surrounding at least one stationary contact (38) and movable contact (40). A rotary operator (104) including rotary members (106) and a contact lever train (82) selectively causes the s...  
WO/1993/008579A1
A molded plastic current limiting circuit breaker (10) includes an interrupter assembly (20, 32, 26, 28), an over-molded magnet (34), arc stack (36), baffle stack (38), chamber liner (40) and a trip or operating unit (50).  
WO/1993/008585A1
A molded plastic current limiting circuit breaker having for each pole, a stationary contact (28) and movable contact (26) separable upon occurrence of a current higher than a predetermined level. The stationary and movable contacts are ...  
WO/1992/012524A1
A thermally-responsive electrical switch for use in domestic electrical appliances for switching off the electrical supply to the appliance in an over temperature situation is configured to be manufactured as an auto-reset switch, as a m...  
WO/1992/000598A1
The invention relates to a contact arrangement particularly intended for current limiting low-voltage circuit breakers, the contact arrangement having an elongated movable contact (10) which, at its mid-point, is rotatably journalled abo...  
WO/1991/013452A1
A quick-action circuit breaker assisted by a semiconductor control circuit comprising a repulsion coil, a repulsion disk (37) linked to a contact bridge (39) which carries movable contacts (41), said repulsion disk (37) co-operating with...  
WO/1991/005391A1
The invention refers basically to a control device, which presents in its multiple variations, capable of changing the state by using only a well defined amount of energy which is limited, or by means of a circuit with capacitor, or by m...  
WO/1991/000610A1
The invention relates to a contact arrangement, intended for a current-limiting low-voltage circuit breaker, with an elongated contact carrier (1) rotatably journalled at its mid-point, the contact carrier being arranged between two U-sh...  
WO/1991/000609A1
A circuit breaker equipped with a mechanism for current limiting by the use of electromagnetic repulsion, aiming at solving a technical problem of improving current-limiting performance by increasing the contact-opening speed of a contac...  
WO/1990/013903A1
The invention relates to an automatic cutout with high current-limiting capacity which contains no conductor connections of any kind, has only two weld or solder joints and requires no adjustment. This automatic cutout can be assembled p...  
WO/1989/007327A1
The electric switching device according to the invention has at least one fixed and one movable contact (9 and 11, respectively), of which the movable contact (11) is influenced by a contact pressure spring (23) and is displaceable with ...  
WO/1988/006801A1
A current-limiting circuit breaker comprises at least one contact pair (1, 2), one of the contacts (3, 5) of which is rigidly connected to an electrodynamic current limiter (9, 10) electrically connected to a controlled pulse current sou...  
WO/1987/001237A1
An electric circuit breaker capable of being opened and closed from a remote location. The circuit breaker includes a stationary contact (14), a movable contact (16) mounted on a carrier (18) and a trip mechanism (40) that trips the circ...  
WO/1986/001934A1
The switch has one or several stationary contacts (1, 2) and moving contacts (3 and 4), which make contact with one another in pairs, as well as two triggering devices (13, 14) which operate on the moving contacts (3, 4) and of which the...  
WO/1986/001935A1
An automatic electric side-by-side two-pole circuit breaker having an insulating casing formed from the complementary association of a base casing (10), an intermediate casing (12) and a cover (18) which provide a pair of mechanism recei...  
WO/1984/002802A1
The switch comprises a fixed contact (2) and a moveable contact (3) subjected to the action of a magnetic part (12). The moveable contact (3) is carried by a lever (4) pivoting about an axis (10) integral with a control member (6). The e...  
WO/1979/000127A1
Defect current protection switch, in which the conductors (5) are associated to a core (6) of which the magnetic induction flux actuates, in case of defect, a tripping device. When a magnetic field produced by the defect current is super...  
JP2023141132A
To realize cost reduction and size reduction by reducing the number of components used for switching a contact mechanism.An electronic overload relay includes a contact mechanism that can be switched between a steady state and a trip sta...  
JP7123007B2
To reduce a tripping operation time.First electromagnetic force F1 from a main magnetic path M1 and second electromagnetic force F2 in the opposite direction to the first electromagnetic force F1 from an attractive magnetic path M2a act ...  
JP7071353B2
A pressure-actuated tripping device for an electrical line protection apparatus, of the circuit-breaker type, delimited by an enclosure and comprising inside the enclosure: - a gas inlet orifice opening into an upstream chamber; - a down...  
JP6242347B2  
JP5914519B2
A device for transferring motion from a manual lever to a reset lever of a pressure trip mechanism in a molded case circuit breaker. The pressure trip mechanism is activated when hot gasses are released during an arc event and the result...  
JP5644690B2  
JP4738530B2
A magnetic circuit includes a stationary iron core, a permanent magnet, and an armature, in a circular pattern. A contact mechanism spring separates the armature from the stationary iron core to open the magnetic circuit to switch a cont...  
JP4683950B2
A switching device is provided that includes a switching mechanism unit and a switch drive control circuit. In the switching device, an operating member is maintained in an ON position by the sucking force of a permanent magnet and a yok...  
JP4629754B2
A low-voltage circuit breaker, comprising: a rotating contact supporting shaft, is provided with a seat that accommodates the central body of a moving contact so that the first arm protrudes externally from the seat, at least one first s...  
JP4480312B2  
JP4387034B2
Circuit breaker comprises housing, opening mechanism with energy accumulator, and poles. Each pole has auxiliary mechanism w energy accumulators drawing back support (58) towards opening position on all or part of support stroke, between...  
JP4321296B2
The device has a movable contactor (2) with a movable contact (2a) at one and rotatably supported by a shaft at another end. An open-close mechanism drives the contactor to open and close the contactor. Another movable contactor (7) has ...  
JP4293099B2  
JP4278787B2
An electromagnetic compensating device and limiting device hold the contact position of fingers (41) to other contact, when the current through a pair of contact (28,30) is less than a limiting threshold, otherwise drive the fingers to r...  
JP4265725B2
A current limiting device comprising a first and a second contact member having at each one end portion to define a pair of contact pairs, means for providing a contacting pressure to the contact pairs, and a cylindrical insulator cylind...  
JP4262845B2
A collapsible contact arm drive link arrangement for a circuit breaker operating mechanism has a pair of upper links for receiving the circuit breaker operating mechanism and a lower link for receiving a circuit breaker contact arm carri...  
JP4237832B2
The mechanism for a multi-polar circuit breaker comprises a pivoting lever system (14) associated with a release hook (44) and a switching bar (22). An opening pawl (50) co-operates with the hook to ensure the arming and release of the m...  
JP4224757B2
A system and method for preventing contact weld under various fault current conditions is disclosed. The system includes a contactor having stationary and movable contacts biased towards each other and switchable between an open and clos...  
JP4214494B2
The apparatus comprises a main circuit (14) for conducting electric current to the electric motor (12) during its normal operation. The main circuit includes a motor starter (20) and a current limiting switch assembly (30), connected in ...  
JP4205862B2
A circuit breaker for protecting electrical circuits, particularly in motor vehicles, includes a flat housing, which comprises an insulating material and has two adjacent flat plugs. A bimetal that is embodied as a snap-action element an...  
JP4193158B2
A conductor housing (16) has a pair of stationary contacts (18). Movable contact carrier (12) has movable contacts (20). Magnetic components (26,30) are movably located near contact (20) and rigidly mounted on the carrier, respectively. ...  
JP2008269937A
To provide a circuit breaker allowing a trip state to be determined from the state of an operation handle, and allowing condition display to be easily seen with a simple structure.This circuit breaker has a link mechanism equipped with: ...  
JP4170289B2
A device for protection against voltage surges comprises a stationary electrode and a movable electrode arranged facing an arc extinguishing chamber. The movable electrode is driven by a mechanisms, by an electromechanical actuator and/o...  
JP4131301B2
An electric motor control apparatus (40) includes an electrical current control apparatus (60) which is operable to limit current to an electric motor (42). When the electric motor (42) is a three-phase motor, three current limiting swit...  
JP4115000B2
A circuit breaker rotary arm (26) for movable contacts (29,30) is used within a plurality of single pole circuit breakers (11, 12, 13) ganged together to form a single multi-pole circuit breaker (10). To provide uniform contact wear amon...  
JP4087862B2
The assembly has rotation shaft (110) with holding groove surfaces (116) for receiving slide pins (131) on an outer circumferential surface of the shaft, such that motion of a movable contactor (120) is delayed to return to fixed contact...  
JP4056567B2
PCT No. PCT/DE98/00975 Sec. 371 Date Oct. 15, 1999 Sec. 102(e) Date Oct. 15, 1999 PCT Filed Apr. 6, 1998 PCT Pub. No. WO98/48436 PCT Pub. Date Oct. 29, 1998An electromagnetic switchgear unit has an electromagnetic drive appliance which a...  

Matches 101 - 150 out of 669