Class 310/240 - Brush-lifting

Subclass of Class 310 - Electrical generator or motor structure
Definition: Subject matter relating to means for lifting the brushes.
No. of patents: 37
Last issue date: 10/27/2009

Number	Title	Issue Date
7608970	Brush holder assemblies with removable rotatable handles and methods of replacing brush holders Brush holder assemblies are detailed. The assemblies permit on-line brush replacement and are interchangeable with devices currently provided by original equipment manufacturers. As well, they allow use of brushes longer than those employed in existing on-line repla...	10/27/2009
7417354	Brush holder apparatus, brush assembly, and method Devices and methods of use for brush holder assemblies are disclosed. Brush holder assemblies including a mounting block and a brush holder are disclosed. Also illustrated is a brush holder assembly including a first portion in sliding engagement with a second porti...	08/26/2008
7365470	Brush holder assemblies including brush holders with handles Brush holder assemblies are detailed. The assemblies permit on-line brush replacement and are interchangeable with devices currently provided by original equipment manufacturers. As well, they allow use of brushes longer than those employed in existing on-line repla...	04/29/2008
7291957	Universal terminal bar structure with ground contacting feature integrated into a body structure with versatile RFI suppression for electric motors A method of providing RFI suppression in a DC motor provides a universal terminal bar structure 70 including a positive terminal bar 72 and a negative terminal bar 76, a first choke 80 electrically connected with the positive terminal bar...	11/06/2007
7218028	Brush holder assembly for dynamoelectric machines A brush holder assembly that cannot be assembled incorrectly includes a brush inserted into a brush holder, a block attached to the top of the brush, a spring engaging the block that applies radial pressure to the block and brush, and a hook pin that holds the sprin...	05/15/2007
7141906	Brush holder apparatus, brush assembly, and method Devices and methods of use for brush holders are disclosed. A brush holder assembly including a brush catch and a brush release is disclosed. Also illustrated is a brush holder assembly including a first portion in sliding engagement with a second portion. Sliding e...	11/28/2006
7122935	Brush holder apparatus, brush assembly, and method Devices and methods of use for brush holders are disclosed. A brush holder assembly including a brush catch and a brush release is disclosed. Also illustrated is a brush holder assembly including a first portion in sliding engagement with a second portion. Sliding e...	10/17/2006
7034430	Brush holder apparatus, brush assembly, and method Devices and methods of use for brush holders are disclosed. A brush holder including an over-center locking device is disclosed. Also illustrated are methods and devices for maintaining brush pressure against a moving conductive surface using a spring without a back...	04/25/2006
6967426	Brush support jig used in mounting a brush assembly of a rotary electric machine, and method of mounting the brush assembly using the brush support jig A brush support jig for use during mounting of a brush assembly on a rotary electric machine having slip rings, to restrain the brushes against contact with the slip rings during the mounting operation, is of pin configuration having a linear portion formed of a lin...	11/22/2005
6927523	Brush device and motor with brush The present invention aims at making a motor with a brush in the direction of its motor shaft small by providing a thin brush device and at preventing deterioration of functions thereof. A guide portion is provided at a brush base portion and a recess portion is pro...	08/09/2005
6924577	Brush box assembly A brush box assembly for use in an electric motor and an electric motor having a brush biasing mechanism that also retains the brushes to allow installation of a sliding electrical contact assembly is described. The brush box assembly has a plurality of brush holder...	08/02/2005
6885126	Supporting structure for brush mechanism in motor A motor has a motor housing, a brush mechanism having a substrate, and a pair of electricity supply lines extending from the substrate. A first support portion, a second support portion and a third support portion are located about the central axis of the substrate....	04/26/2005
6873083	Double brush assembly A multi-brush cage assembly for a subfractional horsepower electric motor has two brushes 22, 23 received in separate chambers 24, 25 of the cage and urged by springs 26, 27 towards a commutator 15 of the motor. An L-shaped changeover lev...	03/29/2005
6836050	Terminal structures for motor with brush to connect motor to external circuit A motor with brush includes a rotor having a rotary shaft and a commutator retained at the rotary shaft, two brush sections each having a plane surface in an axial direction of the rotor and in sliding contact with the commutator, and two brush terminals that are in...	12/28/2004
6831381	Electric drive, especially for motor vehicles In an electrical drive mechanism, in particular for motor vehicles, having a commutator motor (14) disposed in a housing (10), which commutator motor (14) has a rotor shaft (17) with a commutator (22) non-rotatably supported on it ...	12/14/2004
6713932	External connecting structure of electric motor An external connection structure for an electric motor in which basic members are able to be commonly used in an electric fan motor for which either a lead wire or a direct coupler are prepared as an external connection member. Tip end portions of first and third co...	03/30/2004
6680556	Base plate for a carbon brush including means for engaging and disengaging the brush A brush holding apparatus for at least one carbon brush includes a support plate with at least one brush guide, a spring element constructed and arranged for urging a carbon brush having a longitudinal axis mounted in the brush guide in a direction toward...	01/20/2004
6465927	Miniature electric motor A miniature electric motor comprises a housing, a cover plate fitted in an opening portion of the housing, a stator fixed to an inner circumferential surface of the housing, a rotor supported rotatably to one and the other bearing portions mounted on the ...	10/15/2002
6087754	Cut-out brush for electric hand tool A manual electric machine tool (10), having an electric motor (16), whose commutator (20) can be connected to a voltage source via at least one carbon brush (22) pressed against the commutator (20) by spring means (26), wherein the carbon brush (22) inclu...	07/11/2000
6054777	Starter having brush displaceable to and from commutator A positive-side brush and a negative-side brush are held by a motor frame and contact the sliding-contact surface of a commutator. A displacement member switches the state of one brush connected with a starting power source from an ON state in which the b...	04/25/2000
5864194	Starter In a starter, an armature is covered with a cylindrical yoke. A rear end opening portion of the yoke is spread perpendicularly outward so as to form a flange. A disc portion having a larger outer circumferential portion than the outer diameter of the cyli...	01/26/1999
5821663	Power supply configuration for an electric motor with four brushes Power supply is accomplished via two rails, which are arranged in one plane and which in each case have lugs, which can be bent out from the rail plane. In this case, contact arm of at least one lug is run away over a rail. In this way, a system which is ...	10/13/1998
5808393	Brush holder for producing a constant brush pressure A brush holder assembly comprises a non-conductive brush holder body covered by a printed wiring board cover. The brush holder body includes a brush cavity for holding a brush, a spring cavity for holding a spring and a shunt wire cavity for holding a shu...	09/15/1998
5747911	Brush holder Brush holder for a DC motor is disclosed as having at least one brush box for housing a brush biased radially toward an opening through the brush holder. A brush retainer is provided for preventing the brush from entering the opening of the brush holder u...	05/05/1998
5734219	Sliding brush system with shape memory alloy element for two-speed direct current motor A brush system for providing an electric connection to a rotating commutator wheel of an electric machine is disclosed. The brush system has a switched brush selectively switchable between an engaged position and a disengaged position and a switch connect...	03/31/1998
5285125	Short-circuiting and brush-lifting device for asynchronous motors equipped with a slip-ring rotor A short-circuiting and brush-lifting device comprises a rotatable actuating ring having with brush-actuating rods levers cause the brushes of the motor to lift up via the rotating actuating after the slip rings have been short-circuited as a result of the...	02/08/1994
5059846	Brush holding apparatus for a dynamoelectric machine A brush holding assembly comprises two elements: a body element semi-permanently secured to the machine housing and a cartridge element detachably secured to the body element. The cartridge element includes at least one brush compartment having upper and ...	10/22/1991
5049772	Reduced noise commutator A commutator arrangement includes a commutator member rotatably mounted on a support and including a plurality of circumferentially adjacent contact pads that are mechanically connected with one another and electrically separated from each other by respec...	09/17/1991
5019741	Brush holder device for electric motor A brush holder device for an electric motor has a brush holder, a brush movably received in the brush holder, and a spring which acts between the bottom of the brush holder and the outer end of the brush so as to resiliently press the brush into contact w...	05/28/1991
4977345	Spring mounted carbon brush wear indicator Apparatus for visually indicating a worn brush condition for carbon brushes arranged in a gang-type brush holder. A strip of red Teflon tape, or other distinctive marking, is positioned on the linear spring having a coiled top portion which biases the bru...	12/11/1990
4908540	Electric generator for vehicles An electric generator organization, particularly adapted for small vehicles such as motorcycles, is described in which a rectifier mechanism electrically disposed between the stator and the rotor is mechanically connected to the rotor for rotation therewi...	03/13/1990
4567414	Method and a device for controlling a brush-commutator assembly of an electric machine A method and a device for controlling a brush-commutator assembly of a machine under application of an electrical processing and control unit, by sensing one or more operating parameters of the electric machine, the sensing values being processed and conv...	01/28/1986
4539500	Commutator motor and improved brush construction for use in portable machine tools A commutator motor specifically designed for incorporation into portable machine tools such as a hand drill includes a stator winding in a machine housing, and a rotor winding including a rotor shaft with a commutator ring journalled in the housing. Elect...	09/03/1985
4516047	Electric motor with two directions of rotation and shiftable brushes A reversible electric motor has two pairs of brushes, a separate pair for each direction of rotation. The mean diametrical positions of the two pairs are fixed with respect to the motor's stator and angularly offset. The brushes of the one or the other pa...	05/07/1985
4341967	Charging generator for vehicle A charging generator for a vehicle comprises a stator; a rotor facing said stator with a gap; a pair of slip-rings mounted on said rotor; a pair of brushes sliding on said slip-rings; a brush holder for holding each said brush; a first hole formed on the ...	07/27/1982
4296346	Brush holding apparatus for rotary electric machine A brush holding apparatus for a rotary electric machine permitting removal and replacement of brushes without stopping the rotation of the rotary electric machine comprises a brush holder which can be detached from a stationary unit, and a securing device...	10/20/1981
3968391	Brush holder for electrical apparatus A brush holder structure for use in conjunction with transfer of current between a brush and a collector ring or commutator, respectively, on the rotor component of a dynamoelectric machine and which can be removed while the machine is in operation in ord...	07/06/1976

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Class 310/240 - Brush-lifting