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Patent Searching and Data


Matches 801 - 850 out of 13,288

Document Document Title
WO/2001/069760A1
The invention concerns a commutator device (1) for electric motor, comprising a housing part (2) and commutator brushes (3) housed in the housing part, each brush comprising a contact surface (8) designed to be pressed in contact against...  
WO1999060667A3  
WO/2001/061795A1
Electrical machine with collector rings for conducting an electric current to and from the collector rings on the rotor via a plurality of stationary carbon collector shoes, the collector rings being provided with a hard and wear-resista...  
WO/2001/056136A1
A connector support block has a recess defined in part by an arcuate surface for limiting deflection of a main lead connector coupled between the main lead terminal and the innermost turn of end coils on a generator. The recess is spanne...  
WO/2001/054251A1
The present invention relates to a brush assembly of a motor, wherein a rectifier is assembled in the configuration of a roller, which enables the rolling-contact between the rectifier and the brush connected thereto, and more particular...  
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/2001/051251A1
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/2001/050578A1
A switched reluctance motor (10), having a stator (20) with poles (24) defining a gap (28) between adjacent stator poles (24). Windings (32a, 32b) for two phases are wound about the stator poles (24) such that windings (32a, 32b) and sta...  
WO/2001/048873A1
The invention relates to a method for producing a hooked commutator for an electromotor, which has a metal layer (7). In a first step, the metal layer (7) is applied solely to a broad face (4) of a metal strip (3) in such a way that said...  
WO2000051210A3
Addressed herein are commutators and methods of manufacturing them. The methods permit the carbonaceous material and core of a commutator to be molded simultaneously, rather than in a two-step process, and can eliminate one of two curing...  
WO2000072408A9
A swiveling electrical connector (560) is described. A male assembly (500) has three conductors (504, 508, 510) electrically isolated from each other. A first one of the three conductors in the male assembly includes a cylindrical surfac...  
WO/2001/041260A1
The invention concerns an armature commutator (24) of an electric rotary machine, in the shape of a drum comprising an outer cylindrical surface whereon are arranged axially oriented longitudinal conductor segments (30) each comprising a...  
WO/2001/041167A2
An element (20) for making an electric contact to another contact member (19) for enabling an electric current to flow between said element (20) and said contact member comprises a body having at least a contact surface thereof coated wi...  
WO/2001/041261A1
The invention concerns an armature commutator (24) of an electric rotary machine, in the form of a drum comprising an outer cylindrical surface whereon are arranged axially oriented longitudinal conductor segments (30) comprising each a ...  
WO/2001/039336A1
A plane commutator for an electrical machine comprises a support body (1) consisting of insulating molded material, a plurality of conductor segments (3) and the same number of carbon segments (4), which are situated at the front and whi...  
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...  
WO/2001/037408A1
A rotor for a dynamoelectric machine includes a rotor shaft, a commutator, an armature, and a plurality of risers. The commutator includes a plurality of commutator bars extending circumferentially from the rotor shaft. The armature incl...  
WO/2001/035499A1
A coaxial drive (22) employs a base member (26) which is secured to a housing (18) and is open to atmosphere and mounts rotatably an interior drive shaft (90) about the base member (26) so that rotation of the drive in either direction i...  
WO/2001/033699A1
A small-sized motor wherein a brush device is composed of a carbon brush (1), a straight brush arm (2) holding the same and a brush base (3) connected to the brush arm (2). The brush base (3) is provided with a receptacle terminal (5) fo...  
WO/2001/022558A2
A connector module (11) for an electric motor is in the form of first and second contact ball-bearing assemblies (12, 13) mounted coaxially about the motor shaft (5) in a single plane, such that a first component (15) rotates with respec...  
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...  
WO/2001/010575A1
In a machine for testing and sorting miniature electrical inductors (30) of the type having spaced-apart, opposed first and second metal-terminated ends, wherein the machine includes a feed station (2) having an inlet, an outlet and adap...  
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/2001/006601A1
The invention relates to a rotatable electrical joint, joint holder and cordless electrical applicance. Prior art electrical connectors have not good coupling mechanical strength, electrical contact, security, and cordless electrical app...  
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/2000/078216A1
The invention relates to a method of and a device for cleaning a slip ring (1) which is rotatable about an axis of rotation, is supported by a frame (9) and a circumferential surface of which is provided with a signal (4) or power (3) tr...  
WO/2000/077889A1
The invention relates to a method for producing a flat commutator (1) in which a metallic supporting body which forms segment supporting parts (4; 104) is provided (52; 152) with a hub (6) made of an electrically insulating material. Sai...  
WO/2000/077448A1
An illumination device (5), for illumination of a portable electronic device comprises: a white LED (9) in a flexible arm (7), plugs into and is powered through a utility power jakc (4) of a portable electronic device (1) in a manner tha...  
WO/2000/074181A1
The invention relates to a method of producing a flat commutator with a hub body formed from an insulating molded material, a plurality of conductor segments and a equal number of carbon segments that form the bearing surface. The hub bo...  
WO/2000/072401A1
The present invention relates to an electrical signal coupling device and more particularly to a rotary signal coupler suitable for use in transmitting electrical signals between transducers mounted on a shaft and wiring which is fixed r...  
WO/2000/072408A1
A swiveling electrical connector (560) is described. A male assembly (500) has three conductors (504, 508, 510) electrically isolated from each other. A first one of the three conductors in the male assembly includes a cylindrical surfac...  
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 ...  
WO2000025410A9
Devices for the management of contact spots, partly consisting of surface plating, partly of surface polishing and partly of substrate surface profiling in the form of parallel grooves stretched out in the direction of sliding and/or of ...  
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/2000/051209A1
The invention concerns a brush-holder mount for electric machines comprising two components (3, 4) directly assembled on each other, one (3) with several guide cages (3c) each receiving a brush (1) and a spring (7), the other (4) consist...  
WO/2000/051210A2
Addressed herein are commutators and methods of manufacturing them. The methods permit the carbonaceous material and core of a commutator to be molded simultaneously, rather than in a two-step process, and can eliminate one of two curing...  
WO/2000/046899A1
The invention relates to an electric motor comprising a commutator and lever-type carbon brushes which are elastically pressed against said commutator and pivot about a pivot axis. A connecting line which is perpendicular to the pivot ax...  
WO/2000/045474A1
The invention relates to a carbon brush for an electromotor. The carbon brush consists of two sections, the section that lies adjacent to the moving motor part consisting of a usual material and the second section that is located between...  
WO/2000/036710A1
Planetary connectors (10) for coupling signals and power between stationary and moving structures. The planetary connector comprises a pressure plate (13) that abuts a conformal pad that in turn contacts a first printed wiring board (15)...  
WO/2000/036728A1
The invention relates to an electric drive unit for units of a motor vehicle such as window lifters, wipers or the same, comprising a commutator motor (11) with a commutator (16) and commutator brushes (17) and electric components (18-21...  
WO/2000/033429A1
The invention relates to stabilized hammer brush holders (2). Saucer-type bearing surfaces (2.2; 2.3) of said hammer brush holders can be radially slipped onto knife-edge bearings (1.2; 1.3) of the stator part of a motor, especially of a...  
WO/2000/033428A1
The aim of the invention is to provide a commutator that has extremely exact geometrical dimensions, a long-time stability and is easy to produce. To this end, a commutator (1; 101; 201) with a pre-shaped, substantially cylindrical suppo...  
WO/2000/031861A1
A power generating electromagnetic motor (9) which comprises a novel pulsed plasma commutator (22) in conjunction with a bipolar magnetic rotor (16) made of high BH.sub.max permanent magnets (14) affixed to a core element (18) disposed a...  
WO/2000/025410A1
Devices for the management of contact spots, partly consisting of surface plating, partly of surface polishing and partly of substrate surface profiling in the form of parallel grooves stretched out in the direction of sliding and/or of ...  
WO/2000/019584A1
The invention relates to an easy to produce, reliable means for the brushes (2; 3) situated on a brush supporting plate (1) of pressing on the commutator, in the form of a tension element (4-10) which is braced essentially crosswise to e...  
WO/2000/017988A1
A small-sized lightweight coreless motor manufactured by assembling a fixed shaft (10) which is a chief component, and a field magnet (11a) through which the fixed shaft (10) extends and which is fixedly disposed at nearly the center of ...  
WO/2000/005787A1
Brush card or holder assemblies are disclosed. The assemblies avoid any need for a separate plastic cap and utilize a lead wire (which could be or include a rod or other electrically-conductive device) both electrically to connect a brus...  
WO1999057797A8
A barrel or face-type carbon-segment commutator assembly (12c) for an electric motor includes a segmented commutating surface (22c) defined by an annular array of commutator sector (14c, 18c), each sector including a carbon segment (18c)...  
WO/1999/060667A2
The invention relates to a turning connection (1) for connecting a tool (2) to a robot hand (3). The turning connection (1) comprises at least one electrical connection (7) having two connection plates (8, 9) which are mounted so they ca...  

Matches 801 - 850 out of 13,288