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Patent Searching and Data


Matches 401 - 450 out of 13,801

Document Document Title
WO/2005/055394A1
The invention relates to an electromotive drive comprising an electric motor with a commutator that is located in a motor housing, in addition to gearing that is flange-mounted on the electric motor. In said drive, the armature shaft pas...  
WO/2005/053138A1
The invention relates to a stator housing for an electric machine comprising a base body (2) and a region (3) for a magnetic return, which is configured in one piece with the base body (2). Said region (3) for the magnetic return is conf...  
WO/2005/050815A2
The subject of the present invention is armature for both DC and AC rotating electric machines working in elevated temperature environment. The armature is built of metal core having isolating and conductive layers. The armature having n...  
WO/2005/046025A1
An electric motor (10), particularly for displacing moveable parts in a motor vehicle, comprising a commutator (36) which is electrically connected to an electrically conducting carrier plate (42) by means of carbon brushes (38). The car...  
WO/2005/043722A1
A generator comprising a shaft (16), plurality of magnetic disks (19) coupled to the shaft, each of the plurality of magnetic disks having a plurality of permanent magnets arranged with alternative north and south poles (25), the axis of...  
WO/2005/043716A1
A stator assembly (16) for a brush-type permanent magnet DC motor includes a stator body (17) having a central axis A and an annular inner wall (20) disposed about the central axis. The inner wall has at least one raised portion (21) and...  
WO/2005/043715A2
The invention relates to an actuator comprising an electric control motor, a transmission mechanism and a control element, wherein the control motor is a direct current motor consisting of a first part with permanent magnets and a second...  
WO/2005/036717A1
A direct current motor whose rotor can be downsized and power supply method for the motor. A direct current motor (11) includes a stator (12) and a rotor (13). The stator (12) has a core (21), a coil (22) wound on the core (21), and a co...  
WO/2005/036724A1
In a rotating electric machine, a coil wound on an armature is wound so as to obtain preferable magnetic balance. The rotating electric machine has four poles, ten slots (6c), and twenty rectification pieces (7b). A pair of coils (10) el...  
WO/2005/034315A1
A short-circuiting member which prevents the length in the shaft direction of a commutator from being increased and prevents the kinds of parts of the commutator from being increased. A short-circuiting member comprises a plurality of co...  
WO/2005/031951A1
A motor comprising a stator (1) consisting of a magnetic element around which no field magnetic winding is wound, a rotor (4) disposed on the inner side of the stator (1) and wound with a rotor winding (5), a commutator (7), and a brush ...  
WO/2005/031949A1
The invention relates to a direct-current motor provided with a housing, a rotor and a stator comprising electrical windings. A commutator/carbon-brush system is provided in order to provide the electrical windings with current. The stat...  
WO/2005/025032A1
An electric motor comprising an armature contained rotatably in the motor housing, and a pair of magnets secured to the inner surface of the motor housing. The armature has an armature core (17) secured to a rotary shaft (16) and a windi...  
WO/2005/020423A2
A motor actuator (52) of a climate control system (37) includes an specialized electric motor (62) with a motor housing enclosing an encoder ring (104) on a motor shaft (77) having a plurality of opposite encoder-segment sets with encode...  
WO/2005/013458A1
The invention relates to an electric motor (10), in particular for adjusting mobile parts in a motor vehicle comprising at least two permanent magnets (16) having one radial surface area (28) which are embodied in the form of stator (17)...  
WO2004107528A3
The invention relates to a device for fixing permanent magnets inside the cylinder head of a field winding of an electric engine. The inventive device comprises spring clips (12) which are disposed between the permanent magnets in order ...  
WO/2004/114505A1
The invention relates to electromechanical engineering and can be used in the form of a traction electric drive for transport means. The inventive direct current motor comprising a stator, a tooth armature provided with a winding, a swit...  
WO/2004/107528A2
The invention relates to a device for fixing permanent magnets inside the cylinder head of a field winding of an electric engine. The inventive device comprises spring clips (12) which are disposed between the permanent magnets in order ...  
WO/2004/102774A1
A DC motor (11) with an armature coil for generating torque capable of increasing motor efficiency and generated torque while reducing a size and a thickness, comprising magnets (23A) to (23D) and armature coils (31A) to (31C) and (32A) ...  
WO2004070913A3
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 main stator that is selectively configurable as a multi-pole AC stator a...  
WO/2004/091957A1
The invention relates to electrotechnical and mechanical engineering, in particular to the structural embodiment features of electric motors, mainly for means of transport. Said invention is characterised in that the inventive electric m...  
WO/2004/091077A1
Salient poles (3a, 3a) are formed on a rotor core (3) such that their surfaces opposed to permanent magnets (1a, 1b) are each formed of an arc whose radius varies according to places, its middle and its borders. Further, the angle betwee...  
WO/2004/084384A1
A method of manufacturing a small-sized motor, comprising the steps of assembling, as a rotor, laminated core (7), a winding (6), a commutator (5), and a thrust brush (8) integrally with a shaft (11), or assembling, as a small-sized moto...  
WO/2004/084386A1
A rotating electrical machine, such as an aircraft starter-generator, that may be operated in either a motor mode or an generator mode. The machine includes a main rotor that is selectively configurable as an M-pole rotor or an N-pole ro...  
WO/2004/084383A1
A brush type DC motor (10) having an armature (15) and positive and negative power leads is provided. The motor includes an RFI choke (12) as a transformer in series with at least one of the positive and negative power leads to amplify c...  
WO/2004/082092A1
In order to ensure a significantly efficient protection for several electric motors, even serially arranged, the invention provides for a protection system (1) against an electric motor (2) overload, in particular for an electrically con...  
WO2004068696A3
A control system for a multiphase permanent magnet motor having a controller for producing a control signal to energize each phase winding. The controller includes a current value calculator for determining a value of phase current advan...  
WO/2004/073145A1
A DC motor type fuel pump delivering fuel while boosting at a pump section (20) secured to the yoke (3) at a motor section (10) as a DC motor at the motor section (10) is driven, wherein the yoke (3) comprises a first tubular yoke (4) ha...  
WO/2004/070913A2
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 main stator that is selectively configurable as a multi-pole AC stator a...  
WO/2004/068696A2
A control system for a multiphase permanent magnet motor having a controller for producing a control signal to energize each phase winding. The controller includes a current value calculator for determining a value of phase current advan...  
WO/2004/062069A1
An electric motor (10) which includes a housing which has first and second opposed sides (24, 26), rotor (14) which is formed from a settable material and which is mounted for rotation inside the housing, a plurality of windings which ar...  
WO/2004/055956A2
A stator assembly (30) for an electric motor includes a stator housing (32), an expandable flux ring (34) inserted into the stator housing and a plurality of magnets (36) on an inner surface of the flux ring. Overmold material (84) is mo...  
WO/2004/040741A1
The invention relates to a stator for an electric machine, in particular to a direct current motor which contains a laminated core (34) provided with at least two stator poles (32) and at least two permanent magnets (33) associated to on...  
WO/2004/036722A1
The invention concerns a direct current engine (30) comprising a rotor (11) mounted rotatable about an axis (29) in a housing (16) and at least one winding (13) which is fed with direct current from outside, in alternating directions, by...  
WO/2004/034555A1
The invention relates to a sensor assembly for detecting rotation-related variables of a motor, in particular a windscreen-wiper motor, comprising a stationary Hall sensor. According to the invention, the motor is controlled or regulated...  
WO2003098780A3
The invention concerns a motor-reduction gear unit (10) comprising: an electric motor (11) driving a motor shaft in rotation, a magnet (24) on the motor shaft, a Hall-effect sensor (14) proximate the magnet (24). The invention also conce...  
WO/2004/030203A1
A rotation device rotates a rotor iron core (5) having a rotor winding (4) together with a commutator (8) with respect to a fixed iron core (2) having a field winding (1) and being excited. The rotation device includes a brush (12) in co...  
WO/2004/030188A1
The invention concerns a motor (10) comprising: a coil (12), a motor shaft (14) driven in rotation by a supply current circulating in the winding (12), the supply current varying in accordance with the torque supplied by the motor shaft ...  
WO/2004/021545A1
The invention relates to a fixing device which is used to fix a component (4; 15) to a brush carrier (1) for an electric machine. The fixing arrangement is integral with the brush carrier (1) and has at least one tapered area (7; 25, 26)...  
WO2003005529A3
An electric machine according to prior art comprises a rotor shaft which must be mounted as a separate component. The inventive electric machine (1) is designed with a housing (4) and a bearing arrangement (49) in such a way that a rotor...  
WO2003052287A3
A rotary drive mechanism is disclosed comprising a housing (10), a first motor (12) having a first rotor (38) and a first stator (32) connected to the housing and a second motor (50) having a second rotor (52) and a second stator (54) co...  
WO/2003/098780A2
The invention concerns a motor-reduction gear unit (10) comprising: an electric motor (11) driving a motor shaft in rotation, a magnet (24) on the motor shaft, a Hall-effect sensor (14) proximate the magnet (24). The invention also conce...  
WO/2003/092021A1
A method for preparing a flexible magnet which comprises a step of subjecting a compound comprising a magnet powder and a novel flexible thermosetting resin composition comprising a thermosetting resin and a thermoplastic resin or the li...  
WO/2003/091737A1
The invention relates to a method and a device for determining the rotational speed and/or rotational direction and/or the position of a shaft in an electric motor. The invention is characterised in that a magnetic field generator is cro...  
WO/2003/088456A1
The fuel cell powered electrical motor comprises an electrical motor and a plurality of fuel cell stacks. The electrical motor includes a shaft assembly, a stator encircling the shaft assembly, a rotor encircling the stator, a flywheel l...  
WO2003032469A3
Disclosed is an electric machine, especially a starter device for motor vehicles, comprising a stator (36) and a rotor (39). The rotor has a hollow shaft (63) with various shaft sections. The electric machine is characterized in that the...  
WO/2003/069764A1
The present invention relates to a kind of high efficiency DC motor which is composed of a control module and a motor with a interior magnet. The said motor with a interior magnet is manufactured in such a way that a shaft is past throug...  
WO/2003/067742A1
The invention relates to a securing device for securing an annular magnet (2) to a rotor shaft (3) of an electric machine. Said annular magnet (2) is used in order to determine the speed of the rotor shaft and/or the rotational direction...  
WO/2003/067741A1
Disclosed is a rotor for an electric machine, particularly a DC motor, comprising a commutator (22) carried by a rotor shaft (23) and a ring magnet (24) which is placed on the rotor shaft (23) in a rotationally fixed manner and scans the...  
WO2003055035A3
The invention relates to an electric motor and to a method for the production thereof. According to the invention, an electricmotor with improved electrical, magnetic and mechanical properties and especially mass-power ratio can be provi...  

Matches 401 - 450 out of 13,801