William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 8148869 | Brush holder A brush holder includes terminals and a holder body, wherein each terminal includes a pair of connecting terminals provided to sandwich a cut-off portion in which the conducting path is cut to mount an electrical component for connecting the component in series with... | 04/03/2012 |
| 8102094 | Device for connecting an electric motor intended for use in a fuel tank, in particular of a motor vehicle A device for connecting an electric motor intended for use in a fuel tank, in particular of a motor vehicle, with connection contacts carbon brushes sliding over an armature of a rotor, and electrical leads arranged between the connection contacts and the carbon bru... | 01/24/2012 |
| 7898142 | Electric motor with brush General versatility of a brush holder is enhanced regarding a difference of specifications of connector parts, and costs of an electric motor with brush are reduced. A pair of brush-side connection terminals electrically connected to brushes is provided to a brush h... | 03/01/2011 |
| 7705512 | Dynamoelectric machine conductor A dynamoelectric machine conductor includes a bus including a central portion, a first connectable site of the central portion connectable with a first conductor and a first arm having a second electrically connectable site connectable with a second conductor. A fir... | 04/27/2010 |
| 7696666 | Dynamoelectric machine grommet A dynamoelectric machine grommet including, a body portion of the grommet sealably engagable with an opening in a housing of a dynamoelectric machine, and at least one projection extending from the body portion and receptive to a conductor and providing electrical i... | 04/13/2010 |
| 7638918 | Carbon brush having a shunt wire in a carbon brush body In a process for attaching a shunt wire to a carbon brush body in which a resin-containing cement is tamped into a cavity in the brush body, an improved cement is used, formed from a mixture of polyphenylene sulfide powder having a grain size of 5 to 50 μm and copp... | 12/29/2009 |
| 7541712 | Fuel pump A fuel pump forming part of a fuel supply system for an automotive internal combustion engine. The fuel pump includes a hollow casing in which a pump section and an electric motor for driving the pump section are disposed. A connector is provided for connecting the ... | 06/02/2009 |
| 7482726 | Carbon brush with lead wire for use in rotary electric machine A carbon brush composed of a brush body and a lead wire is used for supplying electric current to a rotor of a rotary electric machine. The lead wire is made by twisting many thin wire elements each having a diameter smaller than 0.05 mm. A cross-section of the lead... | 01/27/2009 |
| 7449809 | Brush holder with crimp connection A brush holder (2) has a support element (4) to which a carbon cartridge (6) is attached, with a carbon brush (8) being held therein so as to be displaceable, and to which an electrical fixed contact (28) is attached which is elect... | 11/11/2008 |
| 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 |
| 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 |
| 7358644 | Method for controlling an actuator and control device belonging thereto A method for the electric control of an actuator, especially a piezoelectric actuator of an injection system comprises the following steps: charging the actuator; waiting during a specific period of time (D1, D2) and discharging the actuator after the ... | 04/15/2008 |
| 7349089 | High transmission multi-wavelength filter and method An optical arrangement and method of filtering include a beam splitter that accepts an incident beam and transmits light from the incident beam of a first polarization and reflects light from the incident beam of a second polarization. The transmitted light is a fir... | 03/25/2008 |
| 7308759 | Method for production of a multi-layer carbon brush A method for production of a multi-layer carbon brush including at least two electrically-conducting functional layers made from carbon material and at least one insulation layer made from an electrically-insulating material, running between consecutive functional l... | 12/18/2007 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7176591 | Pot-like or cup-like carrier The invention relates to a system consisting of carbon brushed and circular pot-like carriers (10) having at least one electrical interconnection and surrounding a commutator of a motor, and a frame (18) that projects peripherally over the carrier and ... | 02/13/2007 |
| 7173359 | Brush holder assembly for an electric motor A universal motor has a brush cage assembly in which a U-shaped clip 34 is located about a wall of a through hole 28 of a bearing bracket 24 for receiving a brush cage 30. The clip 34 has an outer limb 42 with inwardly and r... | 02/06/2007 |
| 7148600 | Electrical current transferring and brush pressure exerting interlocking slip ring assembly An annular stator holder within a homopolar motor housing is positioned within magnetic fields established by magnet coils positioned in surrounding relation to brushes in sliding contact with the motor rotor. Also enclosed within the stator holder is a slip ring pr... | 12/12/2006 |
| 7129414 | Twist-on wire connector An on-the-go twist-on wire connector for enhancing the current carrying capacity of the electrical wires contained therein with the housing having a closed end and an open end with a wire engaging coil located in the closed end of the housing for bringing a pluralit... | 10/31/2006 |
| 7109628 | 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... | 09/19/2006 |
| 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 |
| 7034436 | Device to control a piezoelectric actuator A device for controlling a piezoelectric actuator (Cp), in particular for a fuel-injection valve of an internal combustion engine, comprises an energy source (EQ), which supplies the actuator (Cp) with energy (E0), whereby the extension of the piezoelectric a... | 04/25/2006 |
| 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 |
| 6998754 | Brush assemblies Detailed are brush assemblies for electric motors. The assemblies may include retention springs or other mechanisms designed to bias brushes away from surfaces of commutators during assembly of the motors. Such retention mechanisms additionally may be fitted into ca... | 02/14/2006 |
| 6989617 | Command component assembly for alternator to automatic vehicle A brush holder for a vehicle electrical machine having an insulating support, an electrical circuit including a semiconductor control component; and at least one metallic heat dissipation member in contact with the ambient environment and arranged to receive heat fr... | 01/24/2006 |
| 6975059 | Electric motor An object of the invention is to improve a layout property of members arranged on the brush holder. Power feeding terminals are formed in a flat shape extending in an axial direction of an armature shaft, and the power feeding terminal is arranged side by side in a ... | 12/13/2005 |
| 6951467 | Conductive rivet for circuit card The conductive rivet designed to connect the first and second conducting surfaces of circuit board through an aperture in the board. The rivet includes a conical member with an associated insulating washer associated on one side of circuit board. A T-shaped rivet an... | 10/04/2005 |
| 6949861 | Carbon brush holder A carbon brush holder includes a tubular copper conducting receptacle, a lead wire terminal riveted to the outside wall of the copper conducting receptacle, and an electrically insulative hollow holder base holding the copper conducting receptacle, the electrically ... | 09/27/2005 |
| 6946770 | Electric motor In an electric motor having a brush holding portion for holding a brush and a pigtail holding means for holding a pigtail connected to the brush, on a holder surface of a brush holder, the pigtail holding means holds the pigtail in both a lateral direction along the... | 09/20/2005 |
| 6930418 | Centralized power distribution unit having bus bars accommodated in holding grooves of insulating holders A centralized power distribution unit for a vehicular thin brushless motor includes a plurality of bus bars, an insulating holder that holds the bus bars to form a predetermined gap between the bus bars, and a resin insulating layer that covers the bus bars. Each of... | 08/16/2005 |
| 6922003 | Brush holder device for dynamoelectric machine Each brush holder is formed by bending a holder material made of a metal plate, so that the brush holder is shaped into a generally rectangular tubular body, which includes opposed first and second lateral walls, a top wall and a base wall. A base plate includes hol... | 07/26/2005 |
| 6911758 | Stator for a rotary electric machine Output wires are all led out of Address 1 in slots and vibration-absorbing bent portions are formed on all of the output wires between a leader portion led out from a rear-end coil end group and a tip portion of the output wire. ... | 06/28/2005 |
| 6909218 | End cap and brush box assembly A end cap and brush box assembly for a mechanically commutated electric motor including an end cap constructed from high temperature material which also has resilient mechanical properties. The end cap and brush box assembly includes a two piece brush box having a f... | 06/21/2005 |
| 6873076 | Electric drive unit consisting of an electromotor and an electronic module An electric drive unit provides a simple and economical electrical connection of an electric motor and an electronic module. The commutator of the electric motor, a brush rocker ring arranged on the commutator, and the drive shaft of the electric motor as well as th... | 03/29/2005 |
| 6809454 | Motor having brush holder with communication hole In a motor having a motor unit and a speed-reducing unit, a brush holder is sandwiched between a yoke housing of the motor unit and a gear housing of the speed-reducing unit. The brush holder includes holder body, joining portion, and connector portion. The holder b... | 10/26/2004 |
| 6787963 | Brush assembly An brush assembly is provided in which electric power losses in brushes 32 are reduced, thereby suppressing an abnormal or excessive rise in temperature of the brushes. A tip end of a lead wire 33 inserted into a corresponding brush 32 in a dire... | 09/07/2004 |
| 6787962 | Starter with overheat protection device including brush device The brush device of a starter with an overheat protection device of the present invention is provided with brush holders, brushes slidably supported in the brush holders, respectively, springs contacting one sides of the brushes to press the brushes in the radial, i... | 09/07/2004 |