Class 310/228 - With cleaning, lubricating, resurfacing or repairing

Subclass of Class 310 - Electrical generator or motor structure
Definition: Subject matter having cleaning, lubricating, resurfacing
No. of patents: 38
Last issue date: 03/29/2011

Number	Title	Issue Date
7915782	Electrical machine and method of retrofitting an electrical machine There is described an electrical machine with a rotor shaft, a slip ring, arranged on the rotor shaft, and at least two sliding contacts arranged along the circumference of the slip ring for producing an electrical connection with the slip ring. The electrical machi...	03/29/2011
7615908	Vehicle alternator with improved operation reliability An alternator for a vehicle is disclosed as having front and rear frames supporting a stator having a stator winding, a rotor fixedly carried on a rotary shaft and rotatably disposed inside the stator while having a field winding, a bush unit accommodating brushes h...	11/10/2009
7362029	Fuel pump comprising an electric motor The invention relates to a fuel pump which comprises an electric motor. Said electric motor is provided with carbon brushes (11) that cover a plurality of lamellae (17) of a collector (9). Grooves (7) in an armature (6) include sec...	04/22/2008
7358641	Brush device for rotary electric machine A brush device assembled in a vehicular alternator is composed mainly of a pair of brushes, a pair of springs, and a brush holder. The brush holder accommodates the brushes and the springs. The springs push the brushes toward slip rings placed on and fixed to a rota...	04/15/2008
7352103	Motor assembly with a sealed commutator/brush interface A motor assembly includes a commutator having a shaft extending axially therefrom, a commutator end bracket assembly, and at least two brushes carried by the commutator end bracket assembly and in contact with the commutator. A disc is carried by the commutator for ...	04/01/2008
7339302	Electrical contact technology and methodology for the manufacture of large-diameter electrical slip rings The present invention provides several improvements in a slip ring (36) that is adapted to provide electrical contact between a rotor (42) and stator (40). In one aspect, a brush tube (39) is crimped around the upper marginal end portions...	03/04/2008
7294166	Metal-graphite brush A brush body 4 of a metal-graphite brush 2 is composed of a commutator side portion 6 which contains graphite, copper and a metal sulfide solid lubricant, and a lead side portion 8 which contains graphite and copper but does not contain a...	11/13/2007
7188407	Brush assembly A brush assembly (10) for a miniature electric motor has a beryllium copper strip brush arm (14) and a graphite material brush head (12) moulded to an end thereof. The brush arm (14) has a number of apertures. The brush head (12) h...	03/13/2007
7129615	Metal coated carbon brush Disclosed is a metal coated carbon brush having a carbonaceous substrate and a metal coating formed on a surface of the carbonaceous substrate having a mean pore radius of 0.1–2.0 μm and an accumulative pore volume of 50–600 mm3/g. ...	10/31/2006
7102266	Motor assembly with a sealed commutator/brush interface A motor assembly includes a commutator having a shaft extending axially therefrom, a commutator end bracket assembly, and at least two brushes carried by the commutator end bracket assembly and in contact with the commutator. A seal is carried by either the commutat...	09/05/2006
7067951	Copper-graphite brush A copper-zinc alloy powder of which zinc content is from 10 to 50 wt % and of which mean particle diameter is from 15 μm or under is added to a Pb-less brush body comprising graphite, copper and a metal sulfide solid lubricant of a copper-graphite brush. ...	06/27/2006
7038351	Metal-graphite brush and motor including a metal-graphite brush A metal-graphite brush for supplying electricity to a coil wound around a core provided at a rotor of a motor is made of sintered material having porosities at a surface of, or inside, the sintered material. The metal-graphite brush is infiltrated by a liquid contai...	05/02/2006
7014432	Fuel pumping unit, with a plurality of commutator brush assemblies with engaging members for restricting brush movement toward the pump motor section A fuel pump includes a housing, a pump section, a motor section including a commutator, a cover disposed at one end of the housing, a pair of brushes disposed in a pair of brush holes formed in the cover to be in contact with the commutator; and a pair of brush spri...	03/21/2006
6724123	Dynamo electric machine A brush replacement kit for use with a dynamo electric machine of the kind having a yoke, apertures in the yoke through which brushes of the machine are accessible, and a brush holder assembly for supporting the brushes in a predetermined alignment in relation to a ...	04/20/2004
6707217	Electric machine During the operation of an electrical machine, brush dust is generated as a result of a frictional wear of the brushes (5, 50), The brush dust is deposited in undesired locations of the electric machine and causes sparkovers or increased frictional resistance...	03/16/2004
6633104	Method and apparatus for estimating DC motor brush wear An apparatus for estimating DC motor brush wear comprising: a wear element calculator adapted to calculate a plurality of wear elements from at least one environmental variable; a wear element multiplier adapted to multiply the wear elements by respective...	10/14/2003
6552466	Wet-running direct-current motor having fluted brush contact faces A wet-running direct-current motor for a fuel pump having a commutator (2) formed from carbon lamellas (5), and carbon brushes (3) having brush running faces (6) which are fluted in the direction of rotation. The fluting is obtained by curved, parallel ri...	04/22/2003
6472791	Envelope for slip-ring contacting members in high-power rotary current collector system An electrical current collector system (20) comprises a rotatable shaft (28) having at least one and preferably plural electrically conductive slip rings (27) mounted thereon. For each phase, a slip ring is paired with a fixed conducting ring assembly (44...	10/29/2002
6465926	Cleaning/cooling of high-power rotary current collector system An electrical current collector system (20) comprises an electrically conductive slip ring (27) mounted to a rotatable shaft (28), as well as a fixed conducting ring assembly (44) having slip ring-contacting members (240, 404) mounted thereon. The slip ri...	10/15/2002
6342747	Wing type ultrasonic transducer A wing type ultrasonic transducer is free from a reduction in the output power and has one ultrasonic generator. This ultrasonic generator has piezoelectric ceramic materials with two countermasses respectively coupled to the outside ends of the piezoelec...	01/29/2002
6068926	Carbon brush and process for impregnating same The invention relates to a carbon brush, which is impregnated with a modified siloxane....	05/30/2000
5517072	Method and apparatus for increasing the efficiency of electrical rotary machines An improved electric motor having a commutator and brushes incorporates a fluid comprising one or more stable halogenated aliphatic hydrocarbons which is liquid from ambient temperatures up to about 150° F., and means for applying said fluid continuously...	05/14/1996
5502343	Miniature motor A miniature motor comprising a case made of a metallic material, formed into a bottomed hollow tubular shape and having a permanent magnet fixedly fitted to the inner circumferential surface thereof, a rotor having an armature facing the permanent magnet ...	03/26/1996
5361012	Method and apparatus for increasing the efficiency of electrical rotary machines A method and apparatus for introducing a continuous bath of high dielectric liquids to the integral components of an electric motor. One such liquid for example, is methyl chloroform. Significant improvements in efficiency are achieved by the continuous i...	11/01/1994
5357159	Miniature motor A miniature motor comprising a case made of a metallic material, formed into a bottomed hollow cylindrical shape and having permanent magnets on the inner circumferential surface thereof, a rotor consisting of an armature facing the permanent magnets and ...	10/18/1994
4707628	Dynamoelectric machine roll back collector housing A collector housing over the collector and brush assembly of a dynamoelectric machine is provided with a special valve called a vacuum breaker for permitting by manual operation the alleviation of negative pressure within the housing while the machine is ...	11/17/1987
4659954	Carbon brushes in sealed silicone environment with controlled vapor pressure A sealed enclosure surrounding the brushes and metallic contact members of a dynamoelectric machine is maintained at a positive pressure with an inert gas. A predetermined vapor pressure of a silicone lubricant is maintained in the sealed enclosure. The s...	04/21/1987
4529899	Leaf brushes for small electric motor Leaf brushes for small electric motors having commutator slide surfaces for making electrical contact with a motor commutator and constructed so that a multiplicity of fine ridges are densely formed on the commutator slide surfaces....	07/16/1985
4519698	Image forming apparatus including a cleaning blade and drum lubricant An image forming apparatus comprises a rotatable photosensitive drum driving mechanism for rotating the photosensitive drum; and a cleaning blade which is capable of being in contact with the outer circumferential surface of the photosensitive drum and wh...	05/28/1985
4476410	Eddy current coupling with slip ring cleaning mechanism An eddy current coupling (11) includes a housing (13, 15, 17), a rotor (29), an inductor drum means (25), coil means (41) for electro-magnetically coupling the rotor member and the inductor drum means and a slip ring assembly (45) for energizing the coil....	10/09/1984
4409505	Electric motor having improved operating characteristics An economical, miniature electric motor exhibiting improved efficiency and in-specification, first-use performance after substantial periods of non-use, which is especially suited for operating the film eject mechanism of a self-developing camera, include...	10/11/1983
4361774	Lubrication slinger with lint sweeper for a motor A wiper mounted for rotation with the shaft of an apparatus such as an electric motor for preventing wicking by lint collecting on the portion of the housing surrounding the shaft opening thereof. The wiper, in the illustrated embodiment, is carried on th...	11/30/1982
4277708	Environment and brushes for high-current rotating electrical machinery A high-current electrical machine, comprises a stationary and a moving member and at least one current collector brush disposed between the members and in frictional contact with one member; where the brush comprises a plurality of flexurally independent,...	07/07/1981
4119875	Direct current electric motor In a permanent magnet motor wherein commutator segments have surfaces arranged in a plane perpendicular to the motor shaft for sliding contact with brushes, each brush is made of sheet metal and comprises an inner portion affixed to an end cap of the moto...	10/10/1978
4084669	Composite collector A collector for collecting and passing an electric current in sliding contact, which is used for an electric train, a crane, a hoist or the like, said collector comprising a substrate metal or metal matrix into which a solid lubricant is dispersed, a laye...	04/18/1978
4034249	Commutator rounding brush An electrical contact brush having interposed in a central longitudinal slot an abrasive element which frictionally contacts the commutator surface at crests where the radius of curvature of the commutator is less than that of a concave contact surface pr...	07/05/1977
4020645	Motor-compressor unit of the sealed type for refrigerating appliances A motor-compressor unit of the sealed type for refrigerating appliances, characterized by the combination of the following features: A. the motor which drives the compressor is a direct current electric motor of the commutator type; B. the chamber containing t...	05/03/1977

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Class 310/228 - With cleaning, lubricating, resurfacing or repairing