Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8179014 | 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... | 05/15/2012 |
| 8154169 | Rail brush assembly with detent A rail brush assembly for an electric motor having a commutator, comprises a brush, a spring, a pair of rails and at least one detent for retaining the brush on the rails. The brush has a groove on each of a pair of opposite sides. The rails are disposed in the groo... | 04/10/2012 |
| 7990018 | 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... | 08/02/2011 |
| 7923892 | Switch for a brush wear recording circuit A switch for a recording circuit used to determine brush wear of an electrical brush comprises a flag having a first end and a second end defining distal ends of the flag. The flag is mounted on the electrical brush at the first end so as to move in unison with brus... | 04/12/2011 |
| 7816835 | Tandem AC generator for vehicle and method of producing brush assembly thereof A brush holder in a tandem vehicle alternator for a vehicle is composed mainly of a primary brush holder and a secondary brush holder accommodating plural brushes, respectively. The primary and secondary brush holders are independently formed. During a step of produ... | 10/19/2010 |
| 7791243 | Direct current motor A gear housing accommodates a worm shaft. A brush holder includes a base member and a retaining member loosely fitted to the base member. The base member is located between the gear housing and the retaining member. The retaining member retains a first brush and a s... | 09/07/2010 |
| 7772740 | Brush holder A brush holder (2) has a carbon holder (4) which forms a guide (38) for a carbon brush (6) and at which a holding spring (10) that presses the carbon brush (6) against a first guide side of the guide (38) with a holdi... | 08/10/2010 |
| 7732971 | Carbon brush holder A carbon brush holder includes an insulated housing having a through hole with a first section, a second section and a stepped portion between the first and second sections. A carbon brush-holding member is inserted into the first section of the insulated housing an... | 06/08/2010 |
| 7698932 | Device for measuring uneven wear of starter brushes for vehicle The present invention provides a device for measuring uneven wear of starter brushes for a vehicle which can accurately measure and compare the lengths of the starter brushes and easily determine whether or not eccentricity of an armature occurs, the device comprisi... | 04/20/2010 |
| 7696665 | Brush holder for an electrical collector machine, particularly for a direct current motor A brush holder for a motor. The brush holder includes a plastic support structure corresponding incorporating at least a first and a second essentially rigid conducting element connected, respectively, between positive and negative brush or brushes and associated co... | 04/13/2010 |
| 7671507 | Brush bag for a dynamo-electric machine A brush bag, a brush and a current transfer unit for a dynamo-electric machine comprising a commutator, in particular for an electromotor. The current transfer unit comprises at least the brush, which is embodied, in particular, as a multi-layer carbon brush, and a ... | 03/02/2010 |
| 7608971 | Brush-holder for a carbon brush An electric motor, in particular a motor and gear box unit for activating functional equipment in a vehicle, includes a rotor shaft (1) carrying a commutator (2) co-operating with conductive brushes (3) disposed in brush supports (4) fixe... | 10/27/2009 |
| 7560849 | Motor vehicle AC generator having substantially identical rates of wear of the generator brushes In an AC generator of a motor vehicle, having a positive polarity brush from which current flows into a corresponding slip ring and a negative polarity brush into which current flows from the corresponding slip ring, the brushes or the springs of the brushes are con... | 07/14/2009 |
| 7495367 | Brush mounting plate with brush guiding plates A brush mounting plate for a universal motor includes U-shaped brush guiding plates (4) for radially guiding carbon brushes (3) and having radially offset guiding plate feet (5) which extend through associated mounting holes (6) formed in... | 02/24/2009 |
| 7432627 | Brush assembly including biasing member for applying force A brush assembly may include a support member, a conductive arm having a first end portion and a second end portion, where the first end portion is coupled to the support member, a brush coupled to the second end portion of the conductive arm, and a biasing member c... | 10/07/2008 |
| 7423359 | Fluid-dispensing reservoir for large-diameter slip rings The invention provides an improvement in a slip ring (20) adapted to provide electrical contact between a stator (21) and a rotor (22). The improvement includes: a current-carrying conductor (23) mounted on the stator; a brush tube (24... | 09/09/2008 |
| 7420311 | Brush arrangement for an electric machine A brush device for an electric machine having at least one brush and at least one element such as a helical, scroll, or plunger spring for pressing each brush against a rotating contact element, for example a commutator. In at least one further element for example a... | 09/02/2008 |
| 7414346 | Brush holder for dynamo-electric machine Terminal plates are located in a brush holder base, a spring and a brush are located in the brush holder base, and the terminal plates are connected to pigtails in an area within 90° in a backside of an introducing portion of the pigtails in the brush, whereby oper... | 08/19/2008 |
| 7402933 | Constant force modular integrated internal brush holder In one embodiment of the present invention there is provided a brush holder for use with an electric motor, generator, or actuating device. The brush holder includes a body having an upper portion and a lower portion. A pair of flanges separately extends from opposi... | 07/22/2008 |
| 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 |
| 7362030 | Brush type small motor having non-linear spring device A spring device includes of a coil spring case formed of right, left, back and front side plates and a spring receiving plate, a coil spring having a linear spring property, and a spring urging member for urging the coil spring into the coil spring case. A distance ... | 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 |
| 7358640 | Automotive rotary electric machine The present invention provides an automotive rotary electric machine enabling brush abrasion limit detection reliability to be increased and stable brush abrasion limit detection indication to be performed. The construction thereof is provided with a detecting termi... | 04/15/2008 |
| 7355314 | Device for reversing rotational direction of a motor An electrical hand-held power tool (2) includes an electric motor (4) with a stator (12), and a device (26) for reversing the rotational direction of the motor (4) and which has a contact carrier (28) fixedly securable on th... | 04/08/2008 |
| 7323796 | Motor-driven tool In a motor-driven tool, a carbon brush part 8 is arranged between a suction port 6 and a commutator 11 of the motor and includes a cylindrical side wall 8a. The cylindrical side wall 8a located on an outer periphery o... | 01/29/2008 |
| 7298065 | Brush assembly A brush assembly 22 for an electric motor 10 has brush holder 24 supporting a brush 26 and a brush spring. The brush holder 24 has a strip of brass having a central portion and two end portions 28, 40. The central portion ha... | 11/20/2007 |
| 7288179 | Method for providing electrical and fluid communication to a rotating microelectronic workpiece during electrochemical processing A method and apparatus for transmitting electrical signals and fluids to and/or from a microelectronic workpiece. An apparatus in accordance with one embodiment of the invention includes a shaft rotatable about a shaft axis and having a first end with a first electr... | 10/30/2007 |
| 7274127 | Automotive alternator and automotive alternator brush abrasion detection system A brush holding apparatus is mounted to an inner wall surface of a rear bracket and a cap mounted to a head portion of a brush holder portion is exposed through an opening in the rear bracket. Brushes are housed inside brush insertion apertures of the brush holder p... | 09/25/2007 |
| 7265465 | Small-sized motor, small-sized vibration motor, and portable information device The present invention is constituted such that a motor is small in size and can be mounted simply, with a sure electrical connection by means of power terminals. There is provided a terminal seat made of insulating resin fitted and fixed to one end of a motor housin... | 09/04/2007 |
| 7265474 | Spiral and leaf spring arrangement for holding and applying power to a carbon brush The invention relates to an arrangement for holding and/or guiding and applying power to a carbon brush (16, 18) in the direction of a current-transferring commutator (14) comprising a first spring element (20), which acts upon the side of the c... | 09/04/2007 |
| 7256527 | Brush holding device The brush holding device includes a brush holder having a brush-housing chamber, and a holder plate to which the brush holder is attached. The holder plate is formed with a center hole at a center portion thereof, the center hole having a size allowing a commutator ... | 08/14/2007 |
| 7242127 | Brush device and motor with brush A brush device having the longitudinal direction of a coil shaped coil spring aligned with the face of a brush holder, in which one end of a support post at the surface of a brush base is formed as a hollow cylinder and a projection at the other end is insert molded... | 07/10/2007 |
| 7239063 | Motor having supply brushes A motor has a plurality of excitation coils, a commutator having a plurality of segments, a plurality of supply brushes and a short-circuit line. Each coil is connected to corresponding ones of the segments. The supply brushes include a plurality of supply brushes e... | 07/03/2007 |
| 7230362 | Brush holder for an electric-motor driven actuator and an electric-motor driven actuator An electric-motor driven actuator has a housing, in which a motor and a carrier plate are arranged and the carrier plate is connected in a fixed manner to a brush holder. The brush holder has a first brush holder which is rigidly connected to the carrier plate. A se... | 06/12/2007 |
| 7218027 | High-power direct current engine comprising a collector and carbon brushes for a racing car serving as prototype A DC motor includes a rotor which is mounted in a housing so that it can rotate about an axis. The rotor includes at least one winding to which direct current is applied from the outside in alternating directions via a commutator, which is arranged on the rotor. Bru... | 05/15/2007 |
| 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 |
| 7215057 | Commutator housing for an electric motor A commutator housing for an electric motor includes a support to receive a commutator having at least two integrated stops and at least two brushes each fixed on a spring component. The spring components force the brushes into a contact position against the commutat... | 05/08/2007 |
| 7193349 | Brush holder for a carbon brush An electric motor, in particular a motor and gear box unit for activating functional equipment in a vehicle, includes a rotor shaft carrying a commutator co-operating with conductive brushes disposed in brush supports fixed to a printed circuit card; the motor is pr... | 03/20/2007 |
| 7180219 | DC motor with externally mounted carbon brush This invention discloses a DC motor with externally mounted carbon brushes, comprising a front end cover, a housing, magnet, a rotor, a commutator and a back end cover, characterized in that the outer wall of the back end cover is provided with two mounting holes fo... | 02/20/2007 |
| 7180220 | Motor carbon brush assembly A motor carbon brush assembly is composed of an insulated holder, a first electrically conductive member, a resilient member, a second electrically conductive member, a carbon brush, a spring, and a rear cover. The resilient member includes a contact portion elastic... | 02/20/2007 |
