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WO/2008/003598A1 |
The invention relates to an electric motor comprising a number n of poles (4a - 4d), where n is even and greater than 2 and a number m of brushes (1, 2), where 2 ≤ m ≤n. Said motor is equipped with a number r of additional brushes (3...
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WO/2007/143570A2 |
The present invention provides systems and methods for power factor control of a motor. A phase detector uses a line voltage of a power supply and a motor terminal voltage of a motor. The output of the phase detector is synchronized to a...
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WO/2007/137989A1 |
The invention relates to an electrical machine (1) with a stator (3) that comprises a number of pole shoes (8) separated from one another and a number of permanent magnets (9) correlated with the pole shoes (8), and with a rotor (2) rota...
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WO/2007/122767A1 |
[PROBLEMS] To provide a DC motor in which the wear resistance of first brushes is enhanced with excellent control response since the contact area of the first brushes is increased without increasing the size of a disk having a commutator...
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WO/2007/115907A2 |
The invention relates to a drive and evaluation unit for displacing a displacement object, particularly for raising and lowering a side window in a motor vehicle, comprising a commutator motor, a stator and two diametrically opposed perm...
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WO/2007/104591A1 |
The invention describes an electrical machine comprising an armature (20) with armature slots (25) for accommodating armature coils, wherein at least one armature coil is formed from two coil elements (51, 52), which are arranged symmetr...
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WO/2007/104976A1 |
The invention relates to a generator, to a magnetic flux conducting unit for a generator, and to a power generation machine comprising such a generator. In an embodiment of the invention, a generator (412) is disclosed which comprises at...
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WO/2007/098220A2 |
A permanent magnet, DC motor especially well adapted for use in power tools, and particularly hand-held, battery powered power tools. The motor includes two sets of armature coils, with each set of coils being coupled to separate sets of...
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WO/2007/094488A1 |
Provided is a DC motor capable of eliminating a DC current reverse rectification performed in a conventional DC motor and enabling rotation of maximum torque at all rotation angle and having a shape and a function for facilitating a comb...
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WO/2007/088101A1 |
The invention relates to an electric motor (1) comprising a stator (3), a rotor (2) and a number of permanent magnets (6). The aim of the invention is to permit the use of parallelepipedal permanent magnets (6), without impairing perform...
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WO/2007/087841A1 |
In a displacement drive (2) of a motor vehicle, having a drive motor (1), which has a motor magnet (7), which produces a magnetic main exciter field (BE), and a motor armature (8), which is arranged rotatably between the magnet poles (7a...
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WO/2007/077359A2 |
This motor (10) comprises a main casing (12), a brush holder (18) positioned in the main casing (12) and an electrical power supply device (20) secured to the holder (18), comprising an electronic control board. The board has at least on...
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WO/2007/073415A1 |
A motor is disclosed that operates on either AC outlet power or DC battery power with decreased power drop when switching between AC and DC power. The AC power to the motor may be stepped down by using a clipper circuit, while the DC pow...
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WO/2007/060908A1 |
In a rotary electric device in which a commutator variable is set to the number of slots multiplied by 2, a coil is wound around an armature so as to obtain a preferable magnetic balance. A first winding (12) electrically connected to an...
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WO/2007/053133A2 |
An armature for a brush commutated electric motor having a distributed coil winding arrangement for reducing brush arcing and electro-magnetic interference (EMI). The winding pattern involves winding a first coil Cl into a first pair of ...
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WO/2007/051681A1 |
The electric motor has a rotor (1), at least two magnet segments (2, 2’), a magnetic return path ring (3) and a housing (4) consisting of aluminum. The housing (4) has at least one helical projection (4’) on its outer side parallel t...
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WO/2007/044680A2 |
A motor module, method, apparatus and system for implementing linear and rotary motors, such as relatively large rotary motors, are disclosed. In one embodiment, an electrodynamic machine can include magnets having angled magnetic surfac...
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WO/2007/039341A1 |
The invention relates to an electric motor (10) and to a method for producing said electric motor, especially for adjusting mobile parts in a motor vehicle. Said electric motor comprises a collector (36), arranged on an armature (38) and...
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WO/2007/037141A1 |
An electric motor in which a power supply device and a rotation detection device that are installed in a motor case are connected to a control device via a connector section. This facilitates assembly of the electric motor. A power windo...
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WO/2007/026308A2 |
A commutation apparatus drives a brushless motor having a stator equipped with a plurality of coils and a rotor. The commutation apparatus comprises a rotatable commutator shaft, two or more conducting rings carried discretely about the ...
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WO/2007/025060A2 |
A Radio Frequency Identification (RFID) tag using multiple microradios and inkjet printing techniques together with a method and system for manufacturing and applying the tag to an end item are disclosed.
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WO/2007/019700A1 |
A continuous direct current generator comprises a plurality of windings, each being adapted to rotate between two magnetic fields and in unison with a rotator having a plurality of brush contacts. The windings are electrically connected ...
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WO/2007/018128A1 |
A DC machine with a brush of which the commutation characteristics are improved and the lifetime is prolonged. As shown on Fig. 2, a reduced flux density portion is formed in the pole section of an anisotropic bond magnet. Since the redu...
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WO/2007/015499A1 |
Windings (M1 to M8) are wound by concentrated winding around teeth (T1 to T8) of an armature core (107, 317) to which insulators (X, Y) are attached. A feeding member (108, 314) for feeding current to the windings (M1 to M8) has a connec...
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WO/2007/006271A1 |
The invention relates to a resistor component (16, 36) for an electric machine, comprising at least one resistor (1, 21) and insulation material (5, 23, 25). According to the invention, the resistor (1, 21) is surrounded by the insulatio...
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WO/2007/001340A2 |
A rotating electrical machine, such as an aircraft starter-generator, that may be operated in either a DC motor mode or an AC generator mode. The machine includes a conventionally wound main stator (124) that is selectively configurable ...
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WO/2006/137125A1 |
An armature for a rotary electric motor, where a winding on a magnetic pole tooth does not come loose and where stable electrical connection between the winding and a commutator is achieved. Magnetic pole teeth (2) of the armature can be...
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WO/2006/128231A1 |
A switched reluctance electrodynamic machine is disclosed. One magnetically permeable path includes a source of mmf (10, 110, 210, 310, 410, 710, 813). Another magnetically permeable path includes a coil (6, 206, 706, 86). A still furthe...
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WO/2006/122522A1 |
The invention relates to a disc armature for a planar motor for driving an adjuster device in a motor vehicle, comprising an armature disc provided with a coil system and embodied and provided for cooperation with permanent magnets on a ...
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WO/2006/124934A2 |
A BLDC motor assembly and method for manufacturing same is disclosed. The motor has a housing, a shaft supported for rotation within the housing, a stator disposed within the housing for generating an electro-magnetic field, a rotor oper...
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WO/2006/121818A2 |
Disclosed are electroactive polymer fibers (100), processes of preparing electroactive polymer fibers (100), and devices (114) containing electroactive polymer fibers(100). Devices (114) can be used as actuators and sensors, generators a...
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WO/2006/116553A2 |
A clip for a motor stator housing to engage at least a first magnet and at least a second magnet of the motor stator includes a generally annular plate having an outer circumferential edge and an inner side. A plurality of outer tabs are...
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WO/2006/111144A1 |
The invention relates to a method for determining the current position of a rotor, in particular, the rotational angle of the rotor of an electric motor and a method for determining the rotational speed and/or rotational angle of an elec...
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WO/2006/103144A1 |
The invention relates to an electrical machine (10), and to a method for producing such an electrical machine, especially for adjusting mobile parts in a motor vehicle. Said machine comprises a rotor (20) on which a bipolar electrical wi...
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WO/2006/094864A1 |
The invention relates to an anti-parasitic device (10) for suppressing high-frequency parasitic emissions of a direct-current motor (12), said device comprising at least one first bushing-type capacitor (18) which is arranged in an elect...
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WO/2006/076507A2 |
The present invention generally relates to self-activated sensors, including various systems and methods involving such sensors. In one aspect, the invention includes an article, for example, a cantilever, comprising a piezoelectric mate...
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WO/2006/074214A2 |
An electric motor includes a rotation shaft (10) and an armature coupled to the rotation shaft. A commutator (25) is coupled to t rotation shaft and is electrically connected to the armature. At least two power brushes (40) are fixed rel...
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WO/2006/074442A2 |
A motor that delivers high force linear motion or high torque rotary motion to a moving element (Figure 5). The motor include a driving brake (504), a driver (502), a holding brake (506) and a flexible moving element (508).
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WO/2006/069842A1 |
The invention relates to a method for producing the rotor winding of an electric machine (10) comprising at least four exciter poles in the stator (11) and a commutator rotor (13) with a number of pole teeth (Z) which deviates from the n...
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WO/2006/059603A1 |
[PROBLEMS] To improve the resistance to an organic solvent and the deterioration with age of a motor device. [MEANS FOR SOLVING PROBLEMS] A motor device, wherein an exiting magnet is formed with an anisotropic bonded magnet (13) in a hol...
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WO/2006/057449A1 |
A commutator motor includes a field magnet having a field magnet core and a field magnet winding, and an armature having a rotary shaft, an armature core fixed to the rotary shaft, an armature winding wound on slots of the core, and a co...
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WO/2006/049642A2 |
A two speed direct current electric motor comprising: an armature having a commutator assembly that is adapted to receive an electromotive force to cause the armature to operatively rotate. A brush assembly having a common brush and a lo...
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WO/2006/049995A2 |
A high torque AC motor of the repulsion type that includes at least four stator poles and an armature with chordally oriented windings. The armature windings are cyclically shorted and opened in groups at appropriate angular positions of...
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WO/2006/047580A2 |
Disclosed herein are systems and methods for generating a rotating magnetic field. The rotating magnetic field can be used to obtain rotating-field NMR spectra, such as magic angle spinning spectra, without having to rotate the sample ph...
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WO/2006/045930A1 |
The invention relates to an electric commutator motor comprising a housing and a shaft which is solidly connected to a rotor. According to the invention, the housing comprises a stator and supply brushes (100, 200) which can be connected...
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WO/2006/043627A1 |
An armature of a motor generator well balanced while enabling the free setting of the total number of coils disposed in slots to wind the coils around an armature core and a method of manufacturing the armature. In the armature, the coil...
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WO/2006/039381A2 |
A housing assembly (30) is provided for a permanent magnet motor. The housing assembly includes a ferrous flux ring structure (38) having an exterior (39) and an interior (36). Magnet structure (34) is carried within the interior of the ...
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WO2006026295A9 |
An aero acoustic fan assembly is provided and generally includes a fan wheel, a frame, and first and second air outlet diffusing structures. The fan wheel generally, and typically includes an axial air inlet delimited by an air inlet con...
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WO/2006/031765A2 |
A system (10) includes electromagnetic indicator coils (30) included in surgical devices, examples of surgical devices (20) including guidewires; surgical instruments including dilators, stents, catheters, jejunostomy tubes, and endoscop...
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WO/2006/025444A1 |
A motor provided with an armature body having a field body provided with a plurality of field poles, and a plurality of coils disposed on the radial-direction outer side of the field body. A commutator fixed to the armature body has a pl...
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