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Patent Searching and Data


Matches 451 - 500 out of 13,807

Document Document Title
WO/2003/055035A2
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...  
WO/2003/055043A1
A small-motor mechanical encoder capable of acquiring a plurality of pulses per one motor turn, the pulses having a small variation of duty ratio with time. A rotary contact portion (12) is arranged on a rotor shaft (1) and a pair of bru...  
WO/2003/052287A2
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/2003/049254A1
A small-sized motor is made, and an arrangement is prepared for facilitating the mounting of the motor itself and ensuring the electric connections of conduction terminals. There is provided a terminal base of an insulating resin to be f...  
WO2003007458A3
The invention relates to a collector motor (1) comprising a cylindrical housing (3), which is easy to mount and easily adapted to different outer supply connection configurations and/or to different components of the brush plate, said br...  
WO/2003/038974A1
The invention relates to an electric machine comprising a rotatable brush plate (10, 12) which is fixed in its end positions by means of at least one fixing unit (16, 18) acting in the circumferential direction (14). According to the inv...  
WO/2003/032469A2
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...  
WO2002068235A3
A cylindrical magnet ring assembly having a cylinder magnet flux ring (102) formed with a plurality of inwardly projecting anchors (108); a plurality of permanent magnets (104), wherein the magnet can be formed with step portions (112) i...  
WO2002102534A3
A power tool has a motor with end caps (52,54) secured by cold forming to the motor. The end caps include bearings (56) retained in the end cap by deformation of the end cap. The motor includes an armature shaft (42) which is staked to r...  
WO/2003/017450A1
A motor commutator 10 is equipped with a magnet 16 for inclusion in a sensor assembly for detecting and diagnosing motor inefficiencies and problems as well as in adjusting motor parameters to impact motor operation. The commutator compr...  
WO/2003/014546A1
A slow release inhibitor-generating device (10), including a pellet (16), for an IC engine (10b) having a cooling system (10a). The device (10) is installed in-line with a hose (23) of the cooling system (10a) for slowly releasing concen...  
WO/2003/007458A2
The invention relates to a collector motor (1) comprising a cylindrical housing (3), which is easy to mount and easily adapted to different outer supply connection configurations and/or to different components of the brush plate, said br...  
WO/2003/007460A1
The invention concerns a reversible polyphase rotating machine comprising a current supply device (3) for the windings (12-14) of the stator produced in the form of a mechanical static converter (2) adapted to be coupled to said shaft of...  
WO/2003/005529A2
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...  
WO/2002/102534A2
A power tool has a motor with end caps (52,54) secured by cold forming to the motor. The end caps include bearings (56) retained in the end cap by deformation of the end cap. The motor includes an armature shaft (42) which is staked to r...  
WO/2002/093718A1
An electromagnetic motor has an outer housing and a shaft rotatably mounted in the housing to extend along the central axis and out through one end of the housing. A plurality of electromagnets are mounted in the housing at spaced interv...  
WO/2002/089294A1
A DC electric motor, wherein field magnets (26) and (27) are installed on the inner peripheral surface (28a) of a stator core (25) specifying a rotor through-hole (28), a plurality of recesses (31) opened to the rotor through-hole (28) a...  
WO2002039564A3
An arc length-contacting with a commutator-of two brushes in a rotational direction of a motor is defined as not more than 5% of an outer rim length of the commutator, i.e., not more than pi x/20, where A is an outside diameter of the co...  
WO/2002/080340A1
The invention relates to a multi-pole commutator motor (14) comprising at least four stator poles (16-19) and armature windings (31-42) that co-operate with said poles and that are respectively electrically connected to two commutator ba...  
WO/2002/080314A1
The invention relates to a commutator (22; 22a; 22b), for a multi-pole commutator motor (14), with at least four stator poles (16 - 19) and with armature windings (31 - 42), co-operating therewith, each electrically connected to two comm...  
WO/2002/075900A1
The invention relates to a stand for an electric motor, comprising permanent magnets, particularly for a starter in an internal combustion engine, consisting of a stack of circular steel sheets whose inner surface is associated with the ...  
WO/2002/075899A1
An actuating drive according to prior art comprises a plug contact arranged on a printed circuit board, and a brush holder which is not arranged on the printed circuit board, but is electrically connected thereto, the disadvantage of one...  
WO2002049191A3
A motor includes a cylindrical frame (1) made of ferromagnetic material, a pipe (2) fitted in and disposed within the frame concentrically, a sintered bearing (7) press-fitted into the pipe, a cylindrical magnet (4) fixed on an outer wal...  
WO/2002/068235A2
A cylindrical magnet ring assembly having a cylinder magnet flux ring (102) formed with a plurality of inwardly projecting anchors (108); a plurality of permanent magnets (104), wherein the magnet can be formed with step portions (112) i...  
WO/2002/064269A1
A small-sized vibrating motor, comprising a cup-shaped external case (15) having a rise tube (15b) installed at the center of a closed face (15c), wherein a stator and a rotor are stored in the external case (15) from one shaft end of a ...  
WO/2002/065624A1
A motor and fan structure 10 includes direct current motor assembly 18 having a stator assembly 20 including a flux plate 22 and permanent magnet structure 24 mounted on the flux plate 22. The flux plate 22 defines one end of the motor a...  
WO2002003528A3
A flux ring for a motor of a power tool has an annular housing which fits inside the motor can of the motor. At least one magnet is on the ring. The at least one magnet includes a portion formed from an isotropic magnetic material and a ...  
WO2002050618A3
A power generation system is disclosed having several embodiments such as in one embodiment, the power generation system includes a fuel source to provide fuel, a turbogenerator (200), coupled to the fuel source, to generate AC power, an...  
WO/2002/060035A1
The present invention discloses a generator (1) able to generate either unidirectional current or bi-directional current. A rotatable disc (7) has a conductive track (9) and a ferromagnetic bridge (8). Brushes (12, 13) switchingly open c...  
WO/2002/050618A2
A power generation system is disclosed having several embodiments such as in one embodiment, the power generation system includes a fuel source to provide fuel, a turbogenerator (200), coupled to the fuel source, to generate AC power, an...  
WO/2002/049191A2
A motor includes a cylindrical frame (1) made of ferromagnetic material, a pipe (2) fitted in and disposed within the frame concentrically, a sintered bearing (7) press-fitted into the pipe, a cylindrical magnet (4) fixed on an outer wal...  
WO2002021665A3
Structures of direct current motors or ac commutator (Universal) motors which use a concentrated winding on the rotor with coils wound around the teeth. The number of commutator segments is higher than the number of rotor teeth. Several ...  
WO/2002/039564A2
An arc length-contacting with a commutator-of two brushes in a rotational direction of a motor is defined as not more than 5% of an outer rim length of the commutator, i.e., not more than $g(p)x/20, where A is an outside diameter of the ...  
WO2001031760A3
The invention relates to a gearmotor which is easy to install and which due to its especially flat design can be utilized in various ways also in narrow spaces. To this end, the gearmotor is provided on one side of a wheel-shaped housing...  
WO/2002/023710A1
Disclosed is a pole-change type motor that provides a variable-speed (two-pole or four-pole type) operation system capable of reducing the load of the motor of the normal operation system and improving the cooling efficiency. In case of ...  
WO/2002/021665A2
Structures of direct current motors or ac commutator (Universal) motors which use a concentrated winding on the rotor with coils wound around the teeth. The number of commutator segments is higher than the number of rotor teeth. Several ...  
WO/2002/021667A1
The invention relates to an electric drive system, especially for a fan of a motor vehicle, comprising an electric drive motor and an electronic control unit for controlling the drive motor. Said drive motor comprises a commutator and as...  
WO2001099259A8
In an electrical drive unit according to prior art, a signal receiver which is arranged on a printed circuit board in an electronic housing has to be brought close to a signal transmitter, thereby requiring considerable effort. The inven...  
WO/2002/019500A1
A component for an electrical motor, comprising at least one electrical conductor and at least one element for electrical signal processing and supply, is produced according to conventional means, by producing the component and then appl...  
WO2001084691A3
A portable device integrates a small dc motor. The mounting structure of the motor allows an easy installation of the motor and to lower an electric noise level substantially. An insulating first elastic member and a conductive second el...  
WO/2002/005409A1
An electric motor with two sets of stator coils (51, 53, 55 and 52, 54, 56), where the coils in each set are coupled in a star configuration. The motor has two sets of contactors with two rotor brushes. The electric current path always c...  
WO/2002/003531A1
The invention relates to an electric motor comprising a shaft (1; 10). Said shaft has a commutator (2; 20) and a magnetic element (3; 30), whose speed and/or angular position is detected by a sensor (4; 40). The invention is characterise...  
WO/2002/003528A2
A flux ring for a motor of a power tool has an annular housing which fits inside the motor can of the motor. At least one magnet is on the ring. The at least one magnet includes a portion formed from an isotropic magnetic material and a ...  
WO/2002/000080A1
In a hand mixer (1) having two mains terminals (10, 11) and having interference suppression means (16) for a motor (27) and having a switching means configuration (130) which includes speed switching means (60) for switching the speed of...  
WO/2001/099259A1
In an electrical drive unit according to prior art, a signal receiver which is arranged on a printed circuit board in an electronic housing has to be brought close to a signal transmitter, thereby requiring considerable effort. The inven...  
WO/2001/089064A1
A rotation sensor for sensing the rotational state of a rotary shaft, which comprises a decreased number of parts and can be fixed easily. An elongated holder receiving part (10) is formed in the rear of an opening (7b) in the case body ...  
WO/2001/084691A2
A portable device integrates a small dc motor. The mounting structure of the motor allows an easy installation of the motor and to lower an electric noise level substantially. An insulating first elastic member and a conductive second el...  
WO/2001/083925A1
An automation assembly is adapted to be connected to a door system of a motor vehicle. The automation assembly is modular and includes a frame that is fixedly secured to the motor vehicle. A motor is fixedly secured to the frame and adap...  
WO/2001/082454A1
The invention relates to a device for use in an electronic driving dynamics control system, comprising an electromechanical converter, especially an electromotor, a hydraulic pump (17), and an electric control device (4, 5, 16) for the c...  
WO/2001/079787A1
The invention concerns a connector for an electric motor, said motor comprising a magnetic ring (21) which is the source of a magnetic field relative to the engine operational parameters, which includes a magnetic current conducting memb...  

Matches 451 - 500 out of 13,807