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Patent Searching and Data


Matches 651 - 700 out of 22,387

Document Document Title
WO/2012/083829A1
A contact system for a circuit breaker, wherein: moveable shafts (b1, b2) which are formed with hollow pipes; rotating bearing shafts (c5) are formed at each the connection ends of each spring (c1, c2, c3, c4) matched with the moveable s...  
WO/2012/041574A3
The invention relates to a high current switch having a switching bridge (10) having a contact surface, wherein a first part (12, 15) of the contact surface is formed and arranged elastically in relation to a second remaining part (13) o...  
WO/2012/080392A1
Disconnector unit for a medium voltage application, comprising a conductive pen (7) inside a housing (8). The conductive pen (7) is moveable between an operational position in which an electrical contact is provided between a first termi...  
WO/2012/080091A1
The invention relates to a contact arrangement (1) for a relay (28) and to a relay (28) with a contact arrangement (1) for switching a high load current. In order to at least reduce overloads of components of the relay (28) not designed ...  
WO/2012/076605A1
The invention relates to a switch having a fast quenching behavior for electric arcs irrespective of the respective polarity and being suitable for single pole operation. The switch comprises a switching chamber having a two-way switch w...  
WO/2012/076604A1
The invention relates to a switch having a fast quenching behavior for electric arcs irrespective of the respective polarity and being suitable for multi-pole operation. The switch comprises at least two switching chambers (11a, 11b) hav...  
WO/2012/076606A1
The invention relates to a switch which has a fast and reliable quenching behavior for electric arcs irrespective of the current direction and which is suitable for multi-pole operation. The switch (1) comprises at least two switching ch...  
WO/2012/076603A1
The invention provides a switch having an extinguishing response, which is rapid and independent of the respective polarity, for arcs and thermal protection of the bridge arrangement, wherein the switch comprises at least two separate im...  
WO/2012/076281A1
The present invention relates to an electrical contact element for providing electrical contact in an electrical circuit, where the contact element includes a Me- 16/17 compound acting as a lubricant of at least part of at least one cont...  
WO/2012/073468A1
Provided is an electromagnetic contactor that is produced using a simplified step for gas sealing and that is low-priced and has stable quality, a gas sealing method for an electromagnetic contactor, and a manufacturing method of an elec...  
WO/2012/072647A1
Latching device for a circuit breaker comprising - a manual operating toggle (2) which is moveable arranged between an OFF-position and an operation-readiness position, - a moveable contact (52) and a fixed contact (51), wherein the move...  
WO/2011/033184A9
So as to make the best use of the modularity provided by a double-casing multipolar circuit breaker (100), a novel architecture is provided. A potion of the outer housing (48) of the cutoff apparatus (100) is formed directly during the a...  
WO/2012/072599A1
The invention relates to a contact apparatus of an electrical switching device, in which contact apparatus the electrodynamic effect of flows which flow in parallel is used, in particular, for electrodynamic contact separation. In this c...  
WO/2012/072810A1
The invention relates to a method for determining switch contact wear of an electrical circuit breaker (1), in which an arc (33) occurs between the switch contacts (26, 26a, 36, 36a) during a switching action, wherein electrical voltage ...  
WO/2012/071767A1
A method for preparing a fibrous silver-based electrical contact material involves: uniformly mixing powder material acting as reinforcing phase with silver powder as base before ball milling; mixing the obtained complex powder with the ...  
WO/2012/066831A1
[Problem] The purpose of the present invention is to provide: a sliding contact which has particularly excellent reliability and productivity in comparison to conventional sliding contacts; and a method for producing the sliding contact....  
WO/2012/063598A1
Provided are a first connector housing (10), a second connector housing (20) that joins to and disengages from the first connector housing (10), a lever (30) that is rotatable in the second connector housing (20) and makes a joining forc...  
WO/2012/059418A1
The invention relates to a contact arrangement (1) for a relay (28) and to a relay (28) with a contact arrangement (1) for switching a high load current. In order to minimise switching forces caused by the load current, it is provided ac...  
WO/2011/043808A8
A solenoid (12) is provided for an electrical switch. The solenoid (12) includes a coil (50) having a passageway extending therethrough along a central longitudinal axis (96). The solenoid (12) also includes a movable core (46) having a ...  
WO/2012/051053A1
The present invention relates to non-volatile memory chips having graphene drums. In some embodiments, the non-volatile memory chips have one or more layers that each includes a plurality of graphene - drum memory chip cells. Each graphe...  
WO/2012/049288A1
The invention relates to an appliance (1) comprising an operating unit, said operating unit comprising an actuating element (6) for triggering a pre-determined action, said actuating element being mechanically actuatable by force exerted...  
WO/2012/045339A1
A plate (1) for reinforcing a movable contact (2) of an electromagnetic contactor (13) during switching operation, the plate (1) includes a flat portion (3) having a location (7) on which a damping spring (6) is adapted to be placed, a l...  
WO/2012/047778A1
Switch assemblies and electrical distribution devices for making and breaking electrical connections in an electrical circuit are disclosed herein. One aspect of the present disclosure is directed to a switch assembly that includes a pai...  
WO/2012/040092A1
The present invention generally relates to MEMS devices and methods for their manufacture. The cantilever of the MEMS device may have a waffle-type microstructure. The waffle-type microstructure utilizes the support beams to impart stiff...  
WO/2011/158023A3
A thermally responsive switch (1) comprises first and second electrical terminals (12, 24; 25), a thermally responsive switch actuator (6), and a housing comprising a first metal plate (4) in electrical contact with the first electrical ...  
WO/2012/039207A1
Provided is an electric contact material having excellent welding resistance, wear resistance and thermal performance. The electric contact material (31) contains more than 55 mass% and not more than 80 mass% of tungsten carbide, 2 to 5 ...  
WO/2012/038227A1
The switch is used for interruption of large currents and contains a housing (10) filled with insulating gas, a contact arrangement which is arranged in the housing (10) and has two switching pieces (20, 30), which can move relative to o...  
WO/2012/038091A1
The invention relates to an electrical contact arrangement for medium to high voltage applications with an annulus unit consisting of circular arranged and axially directed contact fingers (2), which are attached to a distal end of a con...  
WO/2012/034698A1
The invention relates to an electrical contact device (1), in particular an emergency stop switch-contact device, comprising a first switch contact unit (4) for creating or disconnecting an electrically conductive connection and a second...  
WO/2012/032902A1
This multipoint contact vacuum switch is a vacuum switch such that two contact parts are disposed in a vacuum vessel facing each other and switching can be performed between the two contact parts, wherein a conductive plate and a plurali...  
WO/2012/030498A1
A system (112) includes memory (132) that stores pre-determined high voltage circuit breaker (106) contact travel distance information and a processor (224) that estimates a travel curve for at least one of a closed, an open or a combina...  
WO/2012/024825A1
A rubber strip comprises an insulating elatsic body (1) in which a longitudinal through hole (11) is disposed. The inner wall of said longitudinal through hole (11) is provided with two longitudinal conductive strips (12) which are space...  
WO/2012/025302A1
The invention relates inter alia to an electrical switch having at least one switching unit (100) which comprises: a contact lever (20) which is pivotable about a pivot axis having at least one electrical switch contact (30, 31) and two ...  
WO/2012/025222A1
The invention relates to an electric switch (1) having a housing (3), a contact system located in the housing (3) and an operating member (6) protruding from the housing (3) for a switching action on the contact system. Electrical termin...  
WO/2012/019773A1
The invention relates to an electrical contact arrangement for medium to high voltage applications comprising a contact arm (1) having a distal end section (2) on which a circular shaped annulus arrangement consisting of several axially ...  
WO/2012/020528A1
Provided is a contact device that enables the gap between stationary contacts and a movable contact to be reduced, and that reduces the number of parts, thereby enabling manufacturing costs to decreased. Also provided is an electromagnet...  
WO/2011/151707A3
An electrical system includes first (4), second (6) and third (8) power busses; a first interrupter (10) electrically connected between the first and second power busses; a second interrupter (12) electrically connected between the secon...  
WO/2012/017090A1
The invention relates to a switching apparatus (100) for a low-voltage electrical switching device with a rotary contact having switching pieces (400) bearing at least two end contacts (410) and with means for applying a contact-pressure...  
WO/2012/017282A1
The present invention relates to an improved contact arrangement in a low voltage switching device to withstand high fault currents. The improved contact arrangement in a low voltage Switching device, preferably a power circuit breaker c...  
WO/2012/016257A2
The invention provides a process for producing a Cu-Cr material for a switching contact, in particular for vacuum switches, by powder metallurgy, said process comprising the following steps: (S2) a Cu-Cr powder mixture formed from Cu pow...  
WO/2012/014949A1
In silver-oxide electric contact materials, there has been the problem of oxides being deposited on the contact surface by repeated electrical opening/closing, resulting in contact resistance at the contact surface and causing a temperat...  
WO/2012/013440A1
The invention relates to a switching device, in particular a circuit breaker, with a thermal release (2), on which a moving switching piece (4) is arranged by a contact link support (3), which moving switching piece (4) is borne on a spr...  
WO/2012/010660A1
The invention relates to a pressure switch (1), in particular an oil pressure switch, which comprises a contact plate (3) and a switching part (2) as contact elements, wherein the switching part (2) has at least one contact region which,...  
WO/2012/006816A1
A movable contact device for a circuit breaker includes a movable contact body (1) and a conductive contact (2). The movable contact body (1) is a sheet structure, which has a hole in the middle for allowing a shaft to pass through. The ...  
WO/2012/007172A1
Method for producing a circuit-breaker pole part (1) comprising an external insulating sleeve (7) made of a solid synthetic material for supporting and housing a vacuum interrupter insert (8) for electrical switching a medium-voltage cir...  
WO/2012/007173A1
Method for producing a circuit-breaker pole part by molding an external insulating sleeve (9) with insulation material, mounting a vacuum interrupter insert (8) inside the insulating sleeve (9), electrically connecting the vacuum interru...  
WO/2012/007243A1
A disconnector, particularly of the double-break double-movement type, comprising: – a crossmember (11), which has the contact pins (12) at its opposite ends; – C-shaped contact sockets (13), which are aligned so as to correspond to ...  
WO/2012/001159A1
A rotary selector switch (100) comprises a first switching contact (110), which is opened in an off angle range and is closed outside the off angle range, in particular for switching an electrical load on and off, a coding device (120) w...  
WO/2012/003193A1
An interrupter includes at least four pairs of contacts (127 a-d). Each pair of contacts includes a stationary contact (128 a-d) positioned to abut a corresponding moveable contact (129 a-d). The moveable contacts are coupled to a rotati...  
WO/2011/162107A1
The disclosed electrical contact material is highly resistant to welding and wear and exhibits excellent temperature performance. Said electrical contact material (31) contains, by mass, more than 30% and no more than 55% tungsten carbid...  

Matches 651 - 700 out of 22,387