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Patent Searching and Data


Matches 851 - 900 out of 13,196

Document Document Title
WO/1997/030621A1
The invention relates to a high-speed electric motor (2) with a rotor (3), a stator (4) and an impeller (6) fastened to a rotor shaft (5), wherein due to a diversion, the motor cool air fed through the impeller (6) flows partially throug...  
WO/1997/026746A1
A jack socket (100) comprises a body (110) in which are formed an axial bore (112) adapted to receive a phone jack (114), an annular groove (116, 118) in at least two locations spaced along the axial bore, concentric with, and perpendicu...  
WO/1997/019502A1
The invention relates to a brush holder plate which is provided with pins which comprise a blade terminal (30) with an extension (31) connected thereto. The extension (31) of said pins is inserted into the brush holder plate which is pro...  
WO/1997/015099A1
Brush-holder for electric motors provided with a wear signalling device, comprising a metal body for guiding the brush, pressure-spring means which act on the brush by means of an oscillating pressure finger, and electrically insulated c...  
WO/1997/007573A1
The invention concerns a plug-in commutator with a hub body (1) which is made of electrically insulating material and comprises identical grooves which are uniformly disposed over its periphery and in each of which is inserted one of the...  
WO/1997/003486A1
In order to produce a flat commutator, a metal support member, forming segment carrier parts (3), is provided with a hub (4) made from pressed material, forming a complete cover for the cylindrical delimiting surface of a central bore (7...  
WO/1997/002642A1
An eddy current drive (711) has an electromagnet (15, 17) and an armature (19). Either one of the electromagnet or the armature is coupled to a motor shaft (31) so as to rotate therewith, while the other is coupled to a load portion (21)...  
WO/1997/001878A1
A brush holder embodies certain generic features that render it suitable for use in numerous brush card assemblies. The brush holder has sidewalls that provide guidance of an associated brush, and integral locators for locating an associ...  
WO/1997/001200A1
A grounding system for a motor comprising a conductive brush in resilient contact with a contamination-free conductive member removably secured onto a rotating part such as a motor shaft. The contacting surface is shielded from contamina...  
WO/1996/041410A1
In an ordinary DC motor in a windshield wiper, operating speed tends to increase as the motor brushes become seated. The invention counteracts this tendency by providing a brush geometry which causes the effective angular position of a b...  
WO/1996/037930A1
A coupling (40) is described for conducting electrical signals between two members (70, 72) which are movably mounted to each other. The coupling uses a piece of compressed electrically conductive elastomer (90) material to maintain phys...  
WO/1996/037029A1
The invention relates to a plate (10) for the magnetic circuit of an electrodynamic machine with a central aperture (12) and segments (14, 16) arranged around said aperture with radial legs (18, 20) and possibly peripherally extending ar...  
WO/1996/033534A1
A process is disclosed for manufacturing collectors, in particular flat collectors for electric machines. The individual connection elements (2) are at first directly shaped by crowding in a substantially non-machined raw conductive mate...  
WO/1996/031926A1
Disclosed is an electrical rotary coupling, in particular for lighting units and/or live rail adapters, comprising: a housing (10); a connecting part (12) connected to the housing so as to be capable of rotating; a stack (40) of several ...  
WO/1996/027925A1
A contact (102) for engaging a magnet wire in an insulation displacement manner comprising a magnet wire insulation displacement contact section (104) for engaging the magnet wire, a conductor engaging portion (118) for engaging an elect...  
WO/1996/026526A1
Disclosed herein are several sliding contact materials of which compositions are AuAgCu, AuAgPdCu, PtAuAgCu, AgCuNi, AgPdCuNi and PtAgCuNi. The sliding contact material can be employed for forming a three-pole commutator which then may b...  
WO/1996/025083A1
The invention relates to a coupling (19, 23) comprising a first coupling member (39) and a second coupling member (41), which are rotatable relative to one another about an axis of rotation (43) of the coupling (39, 41). The first coupli...  
WO/1996/025777A1
An improved electrical commutator which is particularly useful in a vehicle steering wheel system, includes sets of wire brushes or fingers on a first plate. The wire brushes or fingers contact plural co-planal rings on a second plate. T...  
WO/1996/024202A1
The description relates to a device for data transmission with optical signals between a transmitter and a receiver which are movable in relation to each other, in which the receiver is formed along the trajectory resulting from the rela...  
WO/1996/021260A1
The description relates to a carbon brush for an electric motor. Such carbon brushes must meet two requirements. Firstly, they must be as abrasion-resistant as possible and secondly as little noise as possible must be generated at the br...  
WO/1996/014678A1
The invention relates to an arrangement for the transfer of electric current, a liquid medium and a gaseous medium between a section (1, 1') in a fixed position and a section (2) rotating in relation thereto, the arrangement for the tran...  
WO/1996/011515A1
The invention relates to a commutator for rotary electric machines, especially motors running in fluids which are electrically non-conductive or poorly conductive, especially fuels, with laminae in sliding contact with a brush arrangemen...  
WO/1996/009134A1
The invention relates to an ultrasonic welding process and an ultrasonic welding device for securing at least two superimposed wire ends to contact regions of electrical components, especially to contact regions of commutator bars for ro...  
WO/1996/008058A1
An improved commutator anchoring system (100) and methods of manufacturing such a system are disclosed. The system includes a wound fibreglass or other ring (22) embedded in the internal core (18) of the commutator to reinforce the resul...  
WO/1996/007232A1
According to the invention the rotor winding (2) is powered via a circular current transformer (5), the secondary winding strands (7a, 7b) of which each have a symmetrical central tapping (8a, 8b). The central tappings (8a, 8b) are condu...  
WO/1996/005016A1
A fusing electrode (36) is mounted on a vertically movable carriage raised by a first air actuator and lowered by gravity into engagement with a commutator tang (120). During a fusing cycle, varying fusing pressure is applied to the tang...  
WO/1996/001336A1
Described is a quick-closing power-supply/drive adapter designed to hold, so that they can rotate, printing cylinders (15) which are to be plated in galvanic baths. The adapter has the following main components: a power-pickup device, in...  
WO/1995/032543A1
A multi-speed, direct current motor (120) incorporates a high speed (24) brush disposed between the low speed (22) and the common ground (26) brushes and having a non-arcuate end face (25) which , unlike the conventional arcuate brush en...  
WO/1995/030269A1
A brush holder (20) for a four pole single speed motor is fabricated from three separate elements, a base member (22) with a central aperture (26) having 4 elongated slots (28) extend equally and angularly from the central aperture (26) ...  
WO/1995/022185A1
An armouring ring (10) for rotating bodies, for example commutators, comprises at least one metal ring (12) having a rectangular cross-section and a glass fibre ring (14) having a rectangular cross-section, the metal ring and the glass f...  
WO/1995/022184A1
An armouring ring (10) for rotary bodies, e.g. commutators, consists of a metal ring (12) of rectangular cross section and a glass fibre ring (14) of rectangular cross section, the faces of which are joined together to form a single unit.  
WO/1995/021476A1
A low profile rotatable electrical plug (10) includes a housing (14) and a set of conductive prongs (44) positioned on one face of the housing for insertion into a conventional wall outlet. A power cord (46) parallels to wall when the pl...  
WO/1995/020837A1
Proposed is a commutator-type electric machine for use in generator sets. The machine includes an annular support plate (14) extending round the rotational axis of the commutator and supporting tubular metal brush-holders (20) with a rec...  
WO/1995/020251A1
Liquid metal electrical contact compositions are disclosed. Compositions of this invention consist of a metal mixture of first and second Periodic Table Group III metals and a lubricant. A gallium/indium metal mixture is preferred. Prefe...  
WO/1995/017031A1
A commutator has a plurality of ring-shaped segments (1) that are regularly spaced from each other in the circumferential direction. Each segment (1) has a ring-shaped groove (6) with a linearly variable diameter. From its open end to it...  
WO/1995/014178A1
The invention concerns a body (10) with a shaft rotatively mounted in an aperture (12) in the body (10), the aperture (12) being sufficiently undersized and the body (10) and/or the shaft being sufficiently elastic for the shaft to be he...  
WO/1995/012238A1
There is presented an electric motor having a drive shaft, an armature and a commutator fixed on the drive shaft, a housing disposed around the armature, magnets disposed between the armature and the housing, and an endframe fixed to the...  
WO/1995/012231A1
There is presented an electric motor having a drive shaft (10), an armature (14) and commutator (16) fixed on the drive shaft, a metal housing (20) disposed around the armature, permanent magnets (22) disposed between the armature and th...  
WO/1995/010867A1
A plurality of shaped flat plates with slots and teeth along one edge, capable of coincident superposition. Two such plates in juxtaposition, one inverted can pivot longitudinally to form symmetrical wedge shapes suitable for commutators...  
WO/1995/009458A1
Rotary connector (12) for use with a small diameter flexible elongate member (13) having electrical capabilities and having a proximal extremity (16) with at least first and second spaced-apart conductive sleeves (26) thereon. The rotary...  
WO/1995/008855A1
A brush holder body for a dynamoelectric machine comprising a molded body (84), integrated cantilever fingers (88) molded into the body, the cantilever fingers extending radially inward from distal portions of the body, the cantilever fi...  
WO/1995/008205A1
For the simple fitting of a low-noise brush box (2) which can be elastically pressed into a seat (1.1) in a brush box holder (1), at least one side surface of the brush box (2) has an elastic shoulder (2.1-2.4) at a distance from the nei...  
WO/1995/006965A1
A carbon brush for an electric motor is disclosed. Said carbon brushes (3) are guided in tubular brush-holders (2) and pressed against a collector. In the state of the art, such carbon brushes have a square cross-section and stand vertic...  
WO/1995/006964A1
Rotary connector (11) for use with a flexible elongate member (12) having electrical properties and having a proximal extremity (16) with at least first and second conductive spaced-apart sleeves (26, 27) provided thereon. A housing (31)...  
WO1994029935A3  
WO/1995/000584A1
Proposed is a moulding compound, in particular a moulding compound for use in the manufacture of commutators for electric motors and dynamos, containing a phenolic resin or a mixture of phenolic resins plus added fillers and glass fibres...  
WO/1994/029935A2
Disclosed is an improvement to the stability of D.C. motor brushes mounted in brush boxes with wings, is improved by angling the wings toward the commutator such that the brush spring contacts the brush at one or more points intermediate...  
WO/1994/026005A1
A transducer (45) for measuring contact force pressure between a brush and commutator (52), the transducer (45) including a transducer block (46) made of a material having similar characteristics to the brush, a transducer head (47), a r...  
WO/1994/018726A1
The invention concerns reinforcing rings comprising a bearing ring (3) that is made of an insulating material which is compression proof even at high working temperatures and a metal clamping ring (4) into which the bearing ring is fitte...  
WO/1994/015382A1
An electric rotary machine (32) of the type having a commutator (36) and brushes (34, 34) comprising: a dielectric fluid (40) comprising a halogenated aliphatic hydrocarbon; and means for applying said dielectric fluid (40) continuously ...  

Matches 851 - 900 out of 13,196