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Patent Searching and Data


Matches 851 - 900 out of 13,264

Document Document Title
WO1998053311A9
This invention provides methods and apparatus for performing microanalytic and microsynthetic analyses and procedures. Specifically, the invention provides a microsystem platform for use with a micromanipulation device to manipulate the ...  
WO/1999/019946A1
When a commutator is slid onto a rotor shaft provided with semiliquid epoxide, a swelling of epoxide forms on the connection front end of the commutator core. This epoxide swelling can hinder the winding of the rotor. The aim of the inve...  
WO/1999/018637A1
A carbon-segment face commutator assembly (12) for an electric motor includes an annular array of copper conductor sections (14) which is overmolded with an electrical-conducting resin-bonded carbon composition which mechanically interlo...  
WO/1999/013538A1
The invention relates to an electric hand tool (10) with an electric motor (16), the commutator (20) of which can be connected to a voltage source by means of at least one carbon brush (22) which is pressed against said commutator (20) b...  
WO/1999/010968A1
A copper ring (45) having hooks (43) and fabricated by forming a copper plate is brazed to a carbon member (46), with a brazing filler material having a melting point higher than the temperature at which a coil is connected to a conducti...  
WO/1999/009621A1
A replaceable roller (4) turns on an axle supported at the end of a cantilever arm (6). The roller is preferably brass or other highly conductive, durable material for making electrical contact with a terminal of an electrical device, e....  
WO/1999/008367A1
A carbon commutator characterized in that segments one end of each of which serves as a sliding part to slide on a brush and to the other of which a conductive terminal member is secured are arranged annularly while being insulated from ...  
WO1998053311A3  
WO/1999/004460A1
Indicators of incremental brush wear are disclosed. Versions of the indicators may comprise signal wire assemblies (14) embedded in brushes (B) so that they continuously contact rotating components of electrical machines. Each such wire ...  
WO/1999/001584A1
A sliding contact material having an alloy composition which is free from any harmful material such as Cd and excellent in particularly contact resistance, has good electrical functions, does not change with the elapse of time, and has e...  
WO/1998/054821A1
A brush holder with which the electrical short-circuit failure of a plus side lead can be avoided structurally, the productivity can be improved and the cost can be reduced. Claws by which a plus side brush holding frame is fixed are dia...  
WO/1998/053806A1
Ophthalmic compositions for preventing corneal clouding and corneal refraction insufficiency, ultraviolet protective agents for protecting the ocular tissue or skin from harmful UV light, or antiallergic agents for topical administration...  
WO/1998/054820A1
A brush holder with which common brush holding frames can be used regardless of the direction of the drawing-out of a lead, the productivity can be improved and the decline of quality such as defective assembly, etc., can be avoided. A p...  
WO/1998/053311A2
This invention provides methods and apparatus for performing microanalytic and microsynthetic analyses and procedures. Specifically, the invention provides a microsystem platform for use with a micromanipulation device to manipulate the ...  
WO/1998/052350A1
A coupler (20) for transmitting signals across a rotating interface (22). The coupler (20) comprises a first part (24) and a second part (26) mounted for rotation about an axis with respect to the first part (24). The first part (24) com...  
WO/1998/037600A1
A multi-channel band-gear system for a rotary joint has a ring gear assembly with a conducting ring band in electrical contact with corresponding conducting bands of a set of intermediary planetary gears, which in turn are in electrical ...  
WO/1998/037613A1
With rotors for electric motors, the commutator is usually mounted on the rotor shaft by means of a press fit connection, which results in undesirable damage to the surface of the rotor shaft. The invention relates to a novel rotor, in w...  
WO/1998/032193A1
The invention relates to a signal conductor (1) for high frequency signals for connecting a slip ring body with at least three slip rings, having at least one electrically conducting signal path (2) at a lateral distance (A) between two ...  
WO/1998/028824A1
In a device for transmitting electric currents to moving machine parts in vacuum processing plants, the machine parts are movably mounted at a substantially constant distance from each other, independently of the transmission device. At ...  
WO/1998/026478A1
The invention concerns a commutator (10) with a reinforcing system comprising a stepped insulating ring (20) with a carrier part (22) and a flange part (24) and a metal ring (18) which has a rectangular cross-section and is fitted into t...  
WO/1998/023022A1
To reduce wear and tear of brushes (6;6) and to extend their useful working lives, it is possible to reduce sparking on the rear edge (6.2) of the brushes (6;6) by means of a commutating magnetic field (M), e.g. by an additional magnet (...  
WO/1998/018191A1
The invention relates to an electric motor, especially to drive a hydraulic pump, with an end shield (1) made of an electrically insulating material. The end shield (1) is provided with carbon brushes (7) and power supply leads (6) for t...  
WO/1998/016979A1
Disclosed is a method for manufacturing switches, whereby a plurality of segments (3) of a metal material are placed in an assembly basket (1) to form a segment lattice. Said lattice is compressed using an insulating material mouldable i...  
WO/1998/010493A1
Commutator for electrical apparatus and equipment, in particular rotary electric machines, comprising a supporting member (45) and a number of electrically conductive segments (51-59) provided at a surface (45A) of the supporting member ...  
WO/1998/005104A1
A brushless slip ring includes a housing, a plurality of annular spaces (15) disposed in the housing and spaced apart along a common longitudinal axis (A), and a cageless assembly of electrically conductive spherical balls (16) freely ro...  
WO/1997/048153A1
In a carbon brush pressed from a powdered material together with a current derivation (5, 6) in the tangential direction in relation to a collector, on which the carbon brush bears when in use, the current derivation (5, 6) is radially c...  
WO/1997/043819A1
An assembly of a collecting housing (3) and a reducing motor connector (4), particularly for operating motor vehicle fittings, is disclosed. The collecting housing comprises electrical projecting terminals (8a, 8b) insertable into recess...  
WO/1997/040568A1
A motor driver (1A) is provided with a circuit board (100) on which a feeder circuit is formed, a supporting member (8) fixed to the substrate (100), and a small-sized motor (2A) detachably attached to the member (8). The motor (2A) is a...  
WO/1997/040557A1
A cost-effective process is disclosed for producing individual bars (4) for individual bar commutators by cutting them out of a strip (1) of electroconductive material. A bar element with a contact section (6) and an anchoring section (5...  
WO/1997/040336A1
An articulated coordinate measuring arm (1) having swiveling joints (7a, 7c, 7e) which are unlimited by an end-stop. Power and signals are transmitted through a swiveling joint using a multi-conductor electrical slip-ring sub-assembly (1...  
WO/1997/039498A1
A swiveling electrical connector (fig. 2) is described which includes a male assembly (100) and a female assembly (120) having a receptacle (158) for receiving the male assembly. A locking mechanism coupled to the female assembly locks t...  
WO/1997/037847A1
A conductive fiber brush including a brush stock (1) composed of plural conductive fibers or strands of fibers at least some of which may have plural bends along the length of the fibers or strands. The fibers may have a diameter less th...  
WO/1997/037360A1
A flat electrical cable (10) and a method of assembling a flat electrical cable is provided wherein the flat cable includes an upper layer (20) having ribs (25) protruding along its length and substantially parallel to one another, conti...  
WO/1997/035375A1
The rotor proposed for electric motors including a laminated core (1) and a shaft (2) which extends out beyond the laminated core at each end and which is positively connected by means of insulating compound (3) to the laminated core. Th...  
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...  

Matches 851 - 900 out of 13,264