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Patent Searching and Data


Matches 501 - 550 out of 13,801

Document Document Title
WO/2001/080377A1
The invention relates to an electrical machine, especially a starter motor for starting an internal combustion engine, that comprises an armature. Said armature is rotatably mounted inside an excitation winding and comprises commutator w...  
WO/2001/080407A1
The invention relate to a drive system for an adjustable vehicle part. Said drive system has an electromotor (10), a worm gear which has a worm wheel (28) that is surrounded by a gear housing (36, 38; 136, 148); and electronic components...  
WO/2001/078217A1
A flat type vibrating motor capable of providing a big vibration while a size is reduced and eliminating a start dead point, wherein a ring-shaped stator (4) divided into eight parts in circumferential direction and magnetized alternatel...  
WO/2001/076058A1
A power generator in which the rotor's mechanical rotation speed and the output frequency can be varied substantially independently of each other through electronic controls (80), to achieve results such as better match between speed and...  
WO/2001/073926A1
The invention relates to a device for receiving large-scale integrated electronic components (25) in the interior of an electromotor (1). Said electromotor is provided with a base (9) enclosing a commutator (7), a plug connector (10) bei...  
WO/2001/069763A1
A commutator motor capable of utilizing any of dc and ac power supplies and superior in the function of preventing the burning of coil wires during overload. This commutator motor includes an iron core having a plurality of slots, a rota...  
WO/2001/067582A1
This invention relates to a device for an electric motor comprising a stator (10) with at least one stator winding (11), a rotor (14) with a commutator (18) and rotor windings (17) and at least one brush (21) which is pressed against the...  
WO/2001/061828A1
The invention relates to an electric motor, in particular for raising and lowering the panes of a motor vehicle, comprising a driving gear (11), a driving gear housing (10) and an electronic control system located in said driving gear ho...  
WO/2001/057990A1
The invention relates to an electrically driven motor (1) having a shaft (4), whose rotational speed is picked off by a hall sensor (10) assigned to said shaft. The Hall sensor (10) is mounted on a support element (13) that is fixed to a...  
WO/2001/056138A1
The invention relates to an electric drive for a vehicle. A housing (1) that is stationary in relation to the vehicle frame is provided. A motor housing (5) having a stator (4) and a rotor (7) being provided in said motor housing (5) are...  
WO/2001/054235A1
An improved flat or cylindrical mechanical electric commutator with neutral segments (4) between the current carrying segments which allow the current carrying carbon brushes (11, 12, 13, 14) in a brush holder (7) to pass from a negative...  
WO/2001/051883A1
A low cost Hall position sensor comprises a standard surface mount Hall effect sensing device (2) having its three leads (4, 6, 8) soldered directly to an exposed electro-conductive end portion of a standard flexible multiconductor circu...  
WO/2001/051251A1
The invention relates to a hand machine tool (10), in particular, an angle grinder, with a housing (12), which accommodates an electric motor (21) and a gearbox (26). The motor (21) comprises a rotor (210), mounted in rotor bearings (210...  
WO/2001/041288A1
A novel low cost limited angle torque DC brushless servomotor is disclosed. The motor itself is a modified standard low cost DC brush motor which is modified by removing the brush assembly and substituting in its place an appropriately c...  
WO/2001/037407A1
A current feeding device for dc motors, and a method of fabricating the same, wherein after motor brush-pressing plate spring members (52) having a plurality of motor brushes (54) fixed thereto are attached to a brush holding plate (51),...  
WO/2001/037405A1
A DC motor is used to open and close the valve of an EGR valve device. A device for energizing the DC motor includes a commutator mounted on the rotor and divided into sections to produce n phases from the direct current supplied by a po...  
WO/2001/037406A1
A DC motor comprises a stator (2) including n phase coils arranged at substantially regular intervals around the stator core (3), a rotor (8) including a plurality of permanent magnets (9) at respective positions corresponding to the coi...  
WO/2001/037402A1
A current feeding device for EGR valve devices, wherein a power supply motor brush (25) in the current feeding device is arranged on the side of a sensor body power supply section (21) having a sensor, thereby dispensing with a connectio...  
WO2000062402A9
The armature is fabricated from pre-machined copper sheet metal parts with an electrical conductor pattern of numerous axially extending conductive bands. These precision machined sheet metal parts are cold rolled to form two work harden...  
WO/2001/037409A1
An EGR valve device, wherein a rotor (55) on which a magnet (57) is installed is assembled rotatably into a stator comprising a stator core (53) and a coil (54) through bearings (58) and (59), and a power supply device comprising a recti...  
WO/2001/031760A2
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/2001/028071A1
A high efficiency and low audio noise motor includes an armature (Figure 5) and a stator (Figure 6). The armature has an armature aspect ratio which is equal to the armature diameter (DA) divided by the armature thickness and is not less...  
WO2000074216A3
The invention relates to a commutator motor, notably a control motor for vehicle units such as window lifts, sun roofs and such like, which comprises a brush holder (19) fixed to the motor housing (11) and a device (22) for detecting the...  
WO2000062402A8
The armature is fabricated from pre-machined copper sheet metal parts with an electrical conductor pattern of numerous axially extending conductive bands. These precision machined sheet metal parts are cold rolled to form two work harden...  
WO/2001/022561A1
The aim of the invention is to ensure easy fixation of a sensor for sensing a speed and/or the direction of rotation (3), especially in the form of a brittle magnetic rotor, in a manner which is devoid of tractile or compression stress, ...  
WO/2001/020754A1
A permanent magnet field-type compact DC motor having a high output and a low cogging torque is made by fixing a pair of rare earth magnets (1) mainly composed of rare earth-iron-based rapidly quenched and solidified flakes to a soft mag...  
WO/2001/017093A1
A permanent magnet small DC motor wherein an arcuate rare earth magnet (1) having a maximum thickness of 1 mm or less which is formed with a binder by compression forming from rare earth metal-iron rapidly-cooled solidified flakes is pre...  
WO/2001/011757A1
A power tool has an electric motor with a stator assembly and an armature rotatable within the stator assembly. A commutator (50) is rotatable with the armature and is connected to the armature via a shaft (42). The commutator (50) has a...  
WO2000057532A3
A motor includes a shaft, at least one bearing, a rotor, a stator, and a brush carrier. The bearing is located adjacent to the shaft. The rotor is interconnected to the shaft and magnetically interacts with the stator. The brush carrier ...  
WO/2001/006619A1
An electric motor (19) comprises a first part (21) and a second part (23) which are moveable with respect to each other. The first part comprises a foil-shaped insulating substrate (51) on which a plurality of series- connected spiral-sh...  
WO/2001/005018A1
A device for energizing a DC motor having a commutator segmented into pieces in a circumferential direction to commutate the DC current that is fed from a power source via a first brush and a slip ring that is segmented into n parts in a...  
WO/2001/002139A1
A portable motor power device comprising a cordless battery pack removably installed in a housing to feed a low DC voltage to a DC motor, and a corded power pack removably installed in the housing to convert an AC power voltage into a hi...  
WO/2000/074216A2
The invention relates to a commutator motor, notably a control motor for vehicle units such as window lifts, sun roofs and such like, which comprises a brush holder (19) fixed to the motor housing (11) and a device (22) for detecting the...  
WO/2000/074208A1
Magnetic shells (4-7) for permanent-magnet-excitation are fixed on the inner periphery of the motor housing (1) by means of clamping elements (2; 3) that are simply pressed into place between the tangential front faces of adjacent magnet...  
WO2000038297A9
An electro-mechanical machine having a field producing assembly (34, 34', 34a, 34b) providing a cup-shaped air gap (133) which is circumferentially disposed about an axis of rotation. The field assembly (34, 34', 34a, 34b) produces a cir...  
WO/2000/062402A1
The armature is fabricated from pre-machined copper sheet metal parts with an electrical conductor pattern of numerous axially extending conductive bands. These precision machined sheet metal parts are cold rolled to form two work harden...  
WO/2000/060725A1
A coreless motor having an improved assembling accuracy and a high accuracy constituted by reducing the number of metallic parts, the weight, the number of parts, the assembling man-hour, and the manufacturing cost. The device is equippe...  
WO/2000/060723A1
A motor for a power tool adapted to be powered by either an AC power source or a DC power source. The motor (12) includes a permanent magnet field (30) having an armature (34) disposed within the field (30). The armature (34) includes a ...  
WO/2000/057532A2
A motor includes a shaft, at least one bearing, a rotor, a stator, and a brush carrier. The bearing is located adjacent to the shaft. The rotor is interconnected to the shaft and magnetically interacts with the stator. The brush carrier ...  
WO/2000/057542A1
The invention concerns a method for producing a coil for a rotating electric machine comprising slots for receiving the turns of the electrically conductive wires to form at least two coil layers. Said method consists in: (a) producing a...  
WO2000030238B1
The present invention relates to an electric machine presenting a constructive base form that enables said machine to be used both as a motor and as a generator and to provide a high yield of the air-core coil on the smallest area possib...  
WO/2000/054396A1
The invention relates to an electric DC generator (10) with a rotor (26) that is rotatably mounted in a housing (12) and that has a plurality of electromagnets arranged at a distance to the rotational axis with respective coil windings (...  
WO/2000/051222A1
The invention relates to a method of fitting sensors to a rotary electric direct current machine having a stator (1) being equipped with a main winding (2) and a number of commutating coils (3) and having a rotor (4) rotatably journalled...  
WO/2000/046906A1
A method of efficiently converting electrical energy to mechanical energy and electrical energy that includes constructing a cylindrical stator casing (11) from a non-magnetic, non-conductive material, and mounting a plurality of armatur...  
WO/2000/046907A1
An Electro-Mechanical Energy Conversion (EMEC) device comprises a stator (11); a rotor (13); a direct current power source (15); a commutator (14), and fluorescent lamps acting as a non-linear, capacitive, voltage-limiting load (19). Fou...  
WO/2000/046905A1
An Electro-Mechanical Energy Conversion (EMEC) device (10) for electro-magnetically converting electrical energy to mechanical energy and electrical energy. The EMEC device comprises a non-magnetic cylindrical stator casing (11); a rotor...  
WO/2000/046908A1
An Electro-Mechanical Energy Conversion (EMEC) device (10) which produces an amount of output energy that is greater than the input electrical energy. Four armature coils (12) of a first magnetic polarity are concentrically mounted on a ...  
WO/2000/045500A1
A motor which is reduced in external size and ensures satisfactory sizes for a rotor and a winding part, wherein heteropolar permanent magnets (4a, 4b) are installed alternately at the corners of a square, hexagonal, or octagonal box-sha...  
WO/2000/041289A1
An electric miniature motor having a stator of magnetic soft material and a permanent magnetic rotor. The stator has a low electrical conductivity at least in the direction of the rotor shaft to dampen eddy currents in the stator materia...  
WO/2000/039912A1
The invention relates to an electric motor with electromagnetic brake which is used notably for an angle grinder and comprises a stator (11) having at least one pole pair. The at least one first pole (14) has a pole shoe (15) facing inwa...  

Matches 501 - 550 out of 13,801