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Patent Searching and Data


Matches 201 - 250 out of 13,854

Document Document Title
WO/2011/121991A1
Disclosed is a DC motor equipped with: a stator having a plurality of field poles; an armature equipped with an armature core, an armature coil, and a commutator; and a brush that is in sliding contact with the commutator. The armature c...  
WO/2011/108528A1
The disclosed motor is able to increase the probability of a magnetic material being stopped at the boundaries of the north and south poles of a magnet and thereby prevent a coil stopping at a dead point. The motor (1) has: a central sha...  
WO/2010/043407A3
The invention relates to an electric motor (1) having an armature (13), comprising a brush commutator (18) having a number of brushes (22) and a number of brush disks (20) associated with the armature (13), a number of stator magnets (26...  
WO/2010/149932A3
The invention relates to a brush device (50) for a rotating electric machine having magnets, in particular a starter for a motor vehicle combustion engine, this device (50) comprising means for adapting an angle of commutation (α1) of t...  
WO/2011/095243A1
In an electromechanical energy converter having an outer body and an inner body, which are mounted movably relative to one another about an axis of rotation, an outer body according to the invention surrounds an annular structural elemen...  
WO/2011/096888A1
A permanent magnet motor having two or more permanent magnets and two coil assemblies, in which the permanent magnets are positioned between the two coil assemblies, and each of the two or more permanent magnets are not mounted onto any ...  
WO/2011/089695A1
A rotating electrical-machinery having an armature that is composed of a shaft; an iron core that is fixed to this shaft, and has multiple slots extending in the axis direction; a winding inserted in slots; a commutator installed on the ...  
WO/2011/063617A1
A four-brush DC permanent magnet motor for a lawn mower comprises a shell (1). A stator (2), a rotor (3), a commutator (4) and carbon brushes (5) are arranged in the shell (1). The stator (2) is fixed on the internal wall of the shell (1...  
WO/2011/061233A2
The invention relates to a pitch drive device (26) for a wind power or hydroelectric power station (22) comprising a synchronous motor (13) and a motor operation switchover unit (21) for switching between normal operation and emergency o...  
WO/2011/039974A2
A motor has an output shaft which is rotatably supported by a housing, a rotor which is fixed to the output shaft and which comprises a printed-wiring board, and a stator which is fixed to the housing and which comprises a magnet facing ...  
WO/2011/033370A1
A new configuration for a double-sided rotor, radial flux, air-cored, permanent magnet electric generator (1 ) is disclosed. The generator (1 ) includes two radially spaced apart rotor portions (33, 35) defining an air gap between them a...  
WO/2010/105794A3
In order to automatically detect a mechanically commutated DC motor (2), it is provided to acquire an electrical engine size (Ew), to determine current ripples (R) in said engine size (Ew), to evaluate the amplitude (AR), the duration an...  
WO/2011/016789A1
The electric motor relates to nonreversible direct and single-phase alternating current electric machines. The motor operates on the principle of the interaction of electromagnets on a stator with electromagnets formed on an armature, th...  
WO/2011/012551A1
Provided is a series motor having a stator (26) and a rotor, including at least one field winding connected in series to a rotor winding and including at least one permanent magnet (34), the magnetic field of which is superimposed on the...  
WO/2011/005146A1
The invention relates to modular electric machines and can be used in any field of the economy. The machine comprises a body with an even and an odd number of modules, each of which comprises a removable shaft connected by a connection m...  
WO/2011/005976A1
An electromagnetic motor having a frame, and at least one disc rotatably mounted to the frame. At least one permanent magnet is mounted on the disc, and at least one electromagnet is mounted to the frame in magnetic proximity to the at l...  
WO/2011/000618A1
The invention relates to a modular brush holder for an electric machine, comprising a baseplate and at least one functional module that can be fixed to the baseplate. Furthermore, the invention comprises a component kit for a modular bru...  
WO/2010/149932A2
The invention relates to a brush device (50) for a rotating electric machine having magnets, in particular a starter for a motor vehicle combustion engine, this device (50) comprising means for adapting an angle of commutation (α1) of t...  
WO/2010/145876A1
A use of a starting device for internal combustion engines is proposed, said starting device having a starter motor (13) which is configured as a DC motor with three pole pairs in the stator (35), and with an armature (37) which can have...  
WO/2010/083814A3
The invention relates to a device for reversing the direction of rotation and/or adjusting the carbon brushes (7) for a reversible electric motor, in particular for an electric hand tool, having a socket (5) and having a carrier (6) pivo...  
WO/2010/145867A1
The invention relates to an electric machine (1), comprising an interference suppression printed circuit board (4), a first sliding contact (5) and at least one second sliding contact (6). According to the invention, the interference sup...  
WO/2010/114631A8
A brushless, liquid or air cooled, direct current motor formed from a three stack stator and three section rotor assembly using an integrated water cooled or air cooled housing and over-molding techniques.  
WO/2010/137642A1
Provided is a multipolar motor, wherein the coils are easy to wind, and the output thereof can be switched. The motor is provided with at least eight magnetic poles, an armature having at least 10 pieces of tooth sections, a commutator h...  
WO/2010/136234A1
The invention relates to an electric motor, especially a direct current motor, comprising a constructional component which is used for the typical operation of an electric motor, the electric motor comprising an additional constructional...  
WO/2010/133903A1
The subject of the invention is a non-rectangular segment-angled commutator, applicable in the rotor of electromotors, resulting in considerable increase of the useful life of electromotors of direct current, and universal electromotors,...  
WO/2010/015240A3
The invention relates to a DC commutator motor for a drive device, especially in a motor vehicle. Said commutator motor comprises a stator having a plurality of stator poles, an armature rotor having a plurality of armature teeth which a...  
WO/2010/130488A1
An electrical machine, in particular an electric motor, has a first number (k) of commutator laminates (10, 12, 14) and brushes (16, 18), wherein the commutator laminates (10, 12, 14) are arranged distributed uniformly in the circumferen...  
WO/2010/125262A1
The machine of the invention includes an inductor (11), an armature (10) and means for compensating the armature magnetic reaction. According to the invention, the means for compensation the armature magnetic reaction includes at least o...  
WO/2010/125817A1
In an electric motor, the peripheral wall of a yoke is formed in a polygonal shape in plan view in the axial direction. A permanent magnet is arranged in a flat section of the peripheral wall. A first bearing section for rotatably suppor...  
WO/2010/114631A1
A brushless, liquid or air cooled, direct current motor formed from a three stack stator and three section rotor assembly using an integrated water cooled or air cooled housing and over-molding techniques.  
WO/2010/107982A1
The present disclosure generally relates to systems and devices for spraying fluid materials such as paints, stains, and the like, and more specifically, but not by limitation, to a dual voltage electromagnet motor for an airless fluid s...  
WO/2010/093276A1
The invention relates to electrical engineering. A multi-collector rectified current machine comprises a rotor with a winding, a magnetic conductor divided into mutually insulated sections, a machine shaft, at least two collectors connec...  
WO/2010/083814A2
The invention relates to a device for reversing the direction of rotation and/or adjusting the carbon brushes (7) for a reversible electric motor, in particular for an electric hand tool, having a socket (5) and having a carrier (6) pivo...  
WO/2010/083776A1
A dc commutator doubly salient reluctance motor is composed of a stator component, a rotor component, a commutator component, a brush component and a motor housing. The commutator does not rotate with a shaft, but the brush rotates with ...  
WO/2010/080739A2
In one aspect, the present invention provides a wireless power supply having a plunger for mechanically interconnecting a remote device with the power supply. The plunger may be extendable/retractable to interfit with the remote device. ...  
WO/2010/075655A1
A water pump with permanent-magnet D.C. motor (11) having double commutators, wherein a first and a second water outlet (21, 22) are settled on the cover (13) of the water pump, a diaphragm (23) is arranged between the first and the seco...  
WO/2010/075926A1
The invention relates to a device and to a method for operating a drive (100) having a mechanically commutated electric motor (110), - wherein a rotary position (s) of the drive (100) is determined by a circuit (300) from a ripple of a m...  
WO/2010/073743A1
Provided is a space-saving coaxial inversion coreless generator of a simple structure wherein a high output can be obtained by utilizing the rotational force of a wind turbine, for example. The coaxial inversion coreless generator (1) co...  
WO/2010/031610A3
The invention relates to a six-pole DC machine, particularly a DC motor for use in a motor vehicle, having a stator (16) excited preferably by a permanent magnet and a rotor (20) which is rotatably supported in a pole housing (12) and wh...  
WO/2010/060647A1
The invention relates to an electric motor/gear mechanism unit (20) having a housing (1), an iron-free rotor winding (2) which is rotatably arranged in the interior of the housing (1), a collector (4) which is connected to the rotor wind...  
WO/2010/060525A1
In a drive unit (10) for an adjuster in a vehicle, in particular for a vehicle seat, having at least one motor (12) which has a stator (16) with at least one coil (24), at least one rotor (18) which interacts with the stator (16) in a ma...  
WO/2010/060489A1
The present invention provides a gear motor assembly, comprising a body, a coreless coil rotor rotatable within the interior of said body, a commutator connected to said rotor, an ar¬ mature shaft extending through said commutator, and ...  
WO/2010/021963A3
In accordance with an aspect of the present disclosure, a power tool has an electric motor having a stator disposed in a field case. The stator has field coils having opposed axial ends that extend axially outwardly from opposed axial en...  
WO/2010/058851A1
Disclosed is a motor that comprises magnets, an armature, a common brush, a low-speed drive brush, and a high-speed drive brush. The magnets have four or more magnetic pole parts. The armature comprises a rotary shaft, an armature core w...  
WO/2009/050456A3
A hybrid powertrain (10) comprises an electric motor (12) which drives a set of wheels (22) of a vehicle, and energy storage means (24) electrically connected to the electric motor (12) to provide a supply of electrical energy to the ele...  
WO/2010/041448A1
Disclosed is a motor in which connecting wires which short-circuit segments that become equipotential are provided in a commutator (10); brushes (21) consist of low-speed brushes (21a), high-speed brushes (21b), and shared brushes (21c) ...  
WO/2010/037813A1
A direct-current electric motor, particularly for operating automatic sliding doors, comprising a single stator body (2) that supports permanent magnets (3) and accommodates a rotor (4) constituted by a single driving shaft (5) around wh...  
WO/2010/036745A2
In one possible embodiment, an aircraft electric motor cooling system is provided having an airflow path through a spinner which includes a first airflow path between an inner rotor and a stator, a second airflow path between an outer ro...  
WO/2010/029837A1
Provided is a vibration motor, the outside dimension of which can be reduced in thickness and the vibration amount of which can be improved while suppressing a manufacturing cost to a low level. A vibration motor (1) comprises: field mag...  
WO/2009/150375A3
The invention relates to a direct-current electric rotary machine, in particular a starter (1) for an automobile, wherein said machine comprises: a magnetised structure including at least a first type of sector (41; 42) having a magnetis...  

Matches 201 - 250 out of 13,854