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WO/2020/242524A1 |
An apparatus includes an electrical switch (202) that includes (i) multiple first electrical contacts (206, 208) and (ii) a second electrical contact (210) configured to bridge the first electrical contacts in order to form at least one ...
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WO/2019/220341A1 |
A power switch device has a housing 12, a movable shuttle 56 with a bridge contact 54 and at least one shape memory alloy actuator 52. The housing has a cavity 30 provided with a heat conductive fluid 80 and stationary current carrying c...
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WO/2018/221931A1 |
A switch structure body comprises: a first anchor structure body which is connected to a contact control electrode installed on a substrate; an anchor portion which includes a second anchor structure body which is connected to a separati...
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WO/2018/207222A1 |
The present invention concerns an electric actuator (A, A'), comprising a rotor member (6) and an actuating assembly (4) configured to interfere with said rotor member (6), causing it to rotate, characterized in that said rotor member (6...
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WO/2017/082985A3 |
A zero-power plasmonic microelectromechanical system (MEMS) device is capable of specifically sensing electromagnetic radiation and performing signal processing operations. Such devices are highly sensitive relays that consume no more th...
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WO/2017/086577A1 |
The present invention relates to a system and method for independently controlling a relay, using a bimetal, wherein, when a current equal to or larger than a threshold value flows on a circuit, the bimetal is operated on the basis of a ...
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WO/2016/187302A1 |
With applications such as soft robotics being severely hindered by the lack of strong soft actuators, the invention provides a new soft-actuator material - Electrically Actuated Hydraulic Solid (EAHS) material - with a stress-density tha...
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WO/2016/168295A1 |
An electrically controlled switching device (10) includes a support (12), a first contact (16) coupled to the support (12), a second contact (18) coupled to the support (12), an SMA element (20) operably connected with the second contact...
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WO/2014/080558A1 |
Provided is a thermal overload relay capable of preventing a reset bar from being depressed by an external cause other than a reset operation. A thermal overload relay in which the following are disposed inside a casing (2): a main bimet...
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WO/2014/051209A1 |
The electromagnetic contactor according to the present invention comprises: a lower body; a magnetism generating unit installed inside the lower body and magnetized by externally supplied power so as to perform an attraction movement; a ...
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WO/2013/170891A1 |
The invention relates to an apparatus (1) for protecting a load (2) against thermal overloading, and also to a method for the apparatus (1). In order to provide an improved apparatus (1) which is of optimum design, in particular in respe...
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WO/2013/151964A1 |
Door locking device for a domestic appliance, comprising: a housing (12) carrying at least a first and a second fixed electric contact (N, L), - a retaining slider (14) having a locking hole (42) and movable with respect to the housing (...
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WO/2013/092813A3 |
The actuator device (1) comprises: - a stationary support structure (2, 3), - a movable member (5) displaceable relative to said structure (2, 3), and - a wire (SMW) of a shape-memory material, which extends in the structure (2, 3) betwe...
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WO/2013/083385A1 |
The invention relates to an integrated circuit comprising, on top of a substrate, a portion (RITX) comprising a plurality of metallization levels separated by an insulating region. The integrated circuit further comprises, inside said pa...
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WO/2013/061234A1 |
A bistable electric switch comprises as actuators a pair of opposing SMA wires (1, 2) acting on a drive element (6) integral with a snap-action spring (4) so as to toggle it between two stable positions corresponding to two operating pos...
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WO/2011/141183A3 |
A perfected rotational actuator, comprising, in two box-shaped shells (31, 32), a pair of plates (12, 13) connected to each other by a central pin (14) and containing, between the same, a plurality of pulleys (25), with two superimposed ...
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WO/2012/038795A1 |
The object of the present invention is a thermostat (1) suitable for both the function of thermoregulation and thermal protection. Thermal protection is performed by a bistable bimetallic element (4) activated through one or more resisto...
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WO/2011/141183A2 |
A perfected rotational actuator, comprising, in two box-shaped shells (31, 32), a pair of plates (12, 13) connected to each other by a central pin (14) and containing, between the same, a plurality of pulleys (25), with two superimposed ...
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WO/2011/094980A1 |
An electronic starter for a refrigeration compressor is provided with a stop bar (7) and an inclined wedge (11) which are matched to each other and are separately located in a housing (10). A stop bar bevel surface (7-1) and a stop bar f...
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WO/2011/048732A1 |
A reset rod (43) of a thermomotive overload relay is configured to be switchable between a manual reset position, wherein a reversal mechanism (21) is returned manually to an initial state before the reversal by a pushing-in operation, a...
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WO/2010/057284A1 |
The present invention refers to a protection and startup modular combo for airtight refrigeration compressor (1), requiring a low number of tools to produce several combo configurations, compared with previous techniques, as well as the ...
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WO/2009/137563A1 |
An automatic switch control fits over a switch on a wall to move a toggle of the switch between an on position and an off position The automatic switch control generally includes a housing and a wheel member rotatably supported by the ho...
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WO/2009/106046A1 |
Disclosed is a micromechanical actuator (1) comprising: - a movable first spring element (2) that contains metal and/or silicon; - a second spring element (12) which is connected to the first spring element (2) and contains silicon; - an...
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WO/2007/044189A3 |
An electrical receptacle senses its operating temperature and automatically turns off when the temperature rises above a predetermined threshold. The receptacle has button (101) that visually indicates when the receptacle has reached its...
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WO/2007/055862A3 |
A MEMS thermal device is made in a smaller size by decreasing the distance that the two cantilevered portions, a spring cantilever and a latch cantilever, of the device must travel. The smaller distance is accomplished by positioning the...
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WO/2006/130808A3 |
Over-temperature protection devices, over-temperature applications on substrates, such as printed circuit boards, and over-temperature protection circuits, e.g., over-temperature protection in combination with a fuse or heater are provid...
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WO/2009/023088A1 |
A representative embodiment of the invention provides a thermal actuator for a MEMS-based relay switch. The thermal actuator has an "active" arm that is movably mounted on a substrate. The "active" arm has (i) a thermal expansion layer a...
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WO/2008/108863A3 |
The disclosed devices use shape memory materials, and specifically shape memory polymers and composites to allow or disallow mechanical or physical movement. By positioning the shape memory polymer so it is near the mechanical device whi...
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WO/2008/124339A1 |
A portable electronic device (100) includes a controllable skin texture surface that includes a skin texture surface actuation structure having a plurality of hinged elements (802-808) with a shape memory alloy (812) coupled thereto to e...
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WO/2008/033269A3 |
A micro-electromechanical actuator (100) employs metal for the hot arm (101) and silicon for at least the flexible portion of the cold arm (105). The cold arm (105) made of silicon is coupled to a metal wire (107) that moves with it and ...
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WO/2008/017978A3 |
The proposed invention application describes a novel configuration of an extremely small self-locking switching component, based on micro- electromechanical systems (MEMS) technology. Conventional MEMS switches need a continual control s...
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WO/2008/038339A1 |
Bimorph switch (1A) comprising substrate (10) equipped with fixed contact (11) and bimorph beam (20A) equipped at its distal end (43) with traveling contact (44), wherein the bimorph beam (20A) includes first bimorph part (40) furnished ...
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WO/2008/033269A2 |
A micro-electromechanical actuator (100) employs metal for the hot arm (101) and silicon for at least the flexible portion of the cold arm (105). The cold arm (105) made of silicon is coupled to a metal wire (107) that moves with it and ...
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WO/2008/017978A2 |
The proposed invention application describes a novel configuration of an extremely small self-locking switching component, based on micro- electromechanical systems (MEMS) technology. Conventional MEMS switches need a continual control s...
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WO/2007/020630A3 |
A temperature responsive valve (TRV), for controlling a flow of gas, employing a shape memory alloy (SMA) wire. The SMA wire is forced by the flow of gas to elongate at temperatures not exceeding a limit known as the transition temperatu...
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WO/2005/094499A3 |
An electrical receptacle has an outlet and senses the operating temperature and automatically turns off when the temperature rises above a predetermined threshold. The receptacle has a reset button that must be manually operated to enabl...
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WO/2007/055862A2 |
A MEMS thermal device is made in a smaller size by decreasing the distance that the two cantilevered portions, a spring cantilever and a latch cantilever, of the device must travel. The smaller distance is accomplished by positioning the...
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WO/2007/044189A2 |
An electrical receptacle senses its operating temperature and automatically turns off when the temperature rises above a predetermined threshold. The receptacle has button (101) that visually indicates when the receptacle has reached its...
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WO/2007/043482A1 |
A testing apparatus for testing a device to be tested is provided with a pin electronic section for transmitting and receiving signals to and from the device; a pattern generating section for inputting a test pattern to the device throug...
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WO/2006/099065A3 |
An actuator includes a bistable mechanism having a tension beam (106) and a compression beam (108) defined by a relief slit in a flexible substrate (102); and a first shape memory element (110) that upon heating actuates the actuator fro...
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WO/2006/130808A2 |
Over-temperature protection devices, over-temperature applications on substrates, such as printed circuit boards, and over-temperature protection circuits, e.g., over-temperature protection in combination with a fuse or heater are provid...
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WO/2006/103722A1 |
A thermal trip comprises a bimetal (2) having one acting end (21) and the other cantilevered fixed end (22) secured to a heater (1) serving as a fixed terminal. The acting end (21) of the bimetal (2) bends as the bimetal is heated when t...
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WO/2006/099065A2 |
An actuator includes a bistable mechanism having a tension beam (106) and a compression beam (108) defined by a relief slit in a flexible substrate (102); and a first shape memory element (110) that upon heating actuates the actuator fro...
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WO/2006/094710A1 |
A run-on switch (10) comprises a temperature-dependent switch (14) which produces an electrically conductive connection between its two outer contacts (16, 20) above its response temperature, a PTC thermistor module (17) and a housing (1...
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WO/2006/077987A1 |
There is provided an electro-mechanical switch capable of performing high-speed switching response with a low drive voltage. An electro-mechanical switch main body (10) which is a MEMS switch includes a first movable electrode (14) and a...
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WO/2006/057910A1 |
A doubly-anchored thermal actuator includes a base element formed with a depression having opposing anchor. A deformable element, attached to the base element at the opposing anchor edges, is constructed as a planar lamination including ...
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WO/2006/033271A1 |
A microswitch for switching a signal path of a high frequency signal. The microswitch is provided with a circuit board; a pair of first feed through wirings arranged apart from each other on the circuit board for electrically connecting ...
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WO/2006/032060A2 |
A fuse for a high voltage/high current application, such as a hydro-electric vehicle ("HEV") application is provided. The fuse employs a variety of arc quenching features to handle a large amount of arcing energy that is generated when s...
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WO/2006/026545A2 |
Methods and an apparatus are provided for arc protection in motor relays (14). Circuitry such as a transient voltage suppressor (18), capacitor (16), resistor (24), and diodes (26) can be implemented to prevent or minimize arcs and to al...
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WO/2006/025456A1 |
This invention provides a bimorph element comprising a silicon oxide layer, a higher-expansion coefficient layer provided on the silicon oxide layer and having a higher coefficient of thermal expansion than the silicon oxide layer, and a...
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