Bizarre Patents
Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 8148868 | Slip ring assembly with cooling The present invention relates to a slip ring assembly for providing electricity to or from a rotor rotating in relation to a stator in a generator or an electrical motor. The slip ring unit rotates around a centre axis and has at least one first slip ring with an ou... | 04/03/2012 |
| 8110960 | Electromotor with a stator having cooling conduits An electromotor including a rotor rotatably running on bearings on a rotor shaft and a stator surrounding the rotor. The stator has a short-circuit body and a winding which can be impinged by current. The short-circuit body receives at least partly the medium line(s... | 02/07/2012 |
| 7271515 | Gas-cooled electrical machine with pressure charging A gas-cooled electric machine includes a generator housing, a rotor shaft, at least one axial fan disposed on the rotor shaft inside the generator housing and having a hub, and a pressure boosting apparatus associated with the axial fan and configured to raise an ab... | 09/18/2007 |
| 7174806 | Flexible bearing damping system, energy storage system using such a system, and a method related thereto A bearing damping system for damping vibrations and conducting heat from vibration-producing, heat-generating devices, an evacuated energy storage system including such a bearing damping system for damping vibrations produced by the rotating shaft and conducting hea... | 02/13/2007 |
| 7166939 | Electric hand tool An electric hand tool having a machine housing, with an electric motor accommodated in the machine housing for driving a tool, and a fan wheel accommodated in the machine housing for generating a main cooling air current that flows from a main air inlet to a main ai... | 01/23/2007 |
| 7163372 | Diffuser for a motor fan assembly A floor care appliance is provided with a motor-fan assembly that includes a diffuser to improve efficiency but also reduces any resultant noise generated. The diffuser is disc shaped and has a plurality of equi-distant spaced vanes around the periphery. The vanes i... | 01/16/2007 |
| 7161255 | Isolated generator equipment compartment A power plant has a generator that is cooled by hydrogen gas. The power plant has a terminal compartment for housing stator terminals of the generator and conductor connections of a main bus taking electrical power away from the power plant. The power plant has a ge... | 01/09/2007 |
| 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 |
| 7098568 | Current-transfer assembly A current-transfer assembly for electric machines, including a shaft (22) with electrically conductive slip elements (13, 14, 16, 18) originating from and coaxially surrounding the shaft, the elements supporting carbon brushes. According to the inventi... | 08/29/2006 |
| 7028385 | Method for improved distribution of cooling air in an electric machine Method for retrofitting an electric machine to reduce temperature rise therein. The method allows for removing at least a portion of an originally assembled coil support on a spider structure of the machine. The originally assembled coil support is configured to all... | 04/18/2006 |
| 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 |
| 6959756 | Device for cooling a bearing; flywheel energy storage system using such a bearing cooling device and methods related thereto Featured is a heat transferring device being configured and arranged so that at least some of the heat energy being generated by a heat producing device, such as the a bearing assembly of a flywheel energy storage system, is communicated directly from the locus of t... | 11/01/2005 |
| 6949847 | Rotary joint In a rotary joint A including an electric signal slip ring 31 for passing different electric signals between a stator 1 and a rotor 6, for the purpose of stable transmission of electric signals in the electric signal slip ring 31, station... | 09/27/2005 |
| 6930413 | Linear synchronous motor with multiple time constant circuits, a secondary synchronous stator member and improved method for mounting permanent magnets The linear synchronous motor consists of a specific primary and secondary part. The secondary portion is a ferromagnetic back plate. An array of permanent magnets are attached to the back plate so that a fixed or variable pole pitch occurs in a precise manner betwee... | 08/16/2005 |
| 6903482 | Electrical current collector cleaning and cooling for high voltage rotating machines An electrical current collector system has an electrically conductive slip ring mounted to a rotatable shaft and a fixed conducting ring assembly forming a partially enclosed AC high voltage electrical current conductive ring channel in which slip ring contacting me... | 06/07/2005 |
| 6710499 | AC generator having air port in slip ring cover An AC generator for a vehicle has a brush unit. The brush unit comprises a brush held in sliding contact with a slip ring, a spring for pressing the brush, a brush holder having a portion for receiving the brush, and a slip ring cover for covering the outer peripher... | 03/23/2004 |
| 6703754 | Electric motor and brush retaining assembly The present invention generally provides a motor-fan unit including a motor assembly having a shaft, a commutator supported on the shaft, and a pair of brushes in electrical contact with the commutator, a fan assembly having an impeller coupled to the sha... | 03/09/2004 |
| 6664671 | Rotating electrical machine The invention relates to a rotating electrical machine with a contacting device whose circumference has at least one slide contact disposed on it, which remains in sliding contact with a brush apparatus (slide system), in which the at least one slide cont... | 12/16/2003 |
| 6625868 | Totally integrated engine cooling module for D.C. motors An engine cooling module includes a shroud structure 12. A housing 20 of a d.c. electric motor is formed integrally with the shroud structure 12. The housing has an open end 21. The motor has a drive shaft 26. A heat sink 22 is disposed opposite the open ... | 09/30/2003 |
| 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 |
| 6040645 | Electrical machines An electrical machine, such as an electric motor, dynamo or alternator has a casing (26) with cooling vents (64) enabling cooling fluid (F) to flow into and out of the casing when the rotor (10) of the electrical machine rotates. The rotor (10) may be for... | 03/21/2000 |
| 5982071 | Cooling of electrical machinery An electrical machine has a stator, and a rotor defining an axis of rotation, the stator including laminations located along that axis, the laminations having protrusions, the protrusions on each lamination being circularly spaced apart about the axis to ... | 11/09/1999 |
| 5977682 | Brush holder assembly having dynamic loading An improved method for the manufacture of a compact brush guide holder assembly which is commonly found on machines in which electricity is to be transferred between an electrically conductive brush element as it moves and makes contact with a rotatable c... | 11/02/1999 |
| 5923113 | Slip-ring arrangement with integrated rotary swivel joint for liquids An arrangement for the transfer of electric current, a liquid medium and a gaseous medium between fixed and rotatable sections. A protective casing surrounds sliding brushes pressing against sliding surfaces. A passage for each medium is parallel with rot... | 07/13/1999 |
| 5742111 | D.C. electric motor The commutator segments for a d.c. electric motor includes one or plurality of slots which improves horsepower at less amperage.... | 04/21/1998 |
| 5610456 | Permanent magnet direct current motor Disclosed is an improvement to the stability of D.C. motor brushes mounted in brush boxes with wings is improved by angling the wings toward the commutator such that the brush spring contacts the brush at one or more points intermediate the ends of the br... | 03/11/1997 |
| 5592039 | AC and DC motor-generator set having stators with annular end plate water cooling channels A motor-generator set stator core includes a plurality of flat thin annular winding support plates, a pair of improved annular end plates, and a plurality of elongated flat attachment members for retaining the end plates and support plates assembled toget... | 01/07/1997 |
| 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 |
| 5283493 | Cold air cooling of brushes for motorized wheels A brush cooling system for a direct current electric motor of the type having a housing with an air inlet at one end for admitting forced cooling air to the motor and brushes located at an end of the motor distal from the air inlet, includes at least one ... | 02/01/1994 |
| 4922163 | Actively cooled brush box assembly A current collecting brush box assembly for a homopolar generator wherein the assembly includes a high electrical and thermal conductivity, low weight controlled porosity metallic foam for heat transfer and current conduction purposes as well as for direc... | 05/01/1990 |
| 4922146 | Cooling arrangement for a DC motor A commutator type, prior art dynamoelectric machine normally has an inlet for cooling air at the end of the machine remote from the commutator. The air flows from the inlet through axially extending passages in the rotor, outwardly through spaced radial d... | 05/01/1990 |
| 4908538 | Totally enclosed electric motor There is provided a totally enclosed electric motor which is effectively cooled by means of an internal ventilation system and an external ventilation system. The internal ventilation system includes an internal fan driven by the rotor which forces intern... | 03/13/1990 |
| 4866320 | Fan assembly A fan assembly that includes an impeller driven by an electric motor. The housing for the impeller has an air intake opening and a pressure-side connection for the discharge of air, with the pressure-side connection being provided with an air inlet openin... | 09/12/1989 |
| 4837471 | Dynamoelectric machine stator using cylindrical keybar with improved dovetail configuration A dynamoelectric machine is provided with an improved stator assembly which permits a stator lamination sector to be directly placed at any desired location on the keybar dovetail which supports such sector. The keybar exhibits a unique dovetail geometry ... | 06/06/1989 |
| 4764700 | Armature including integral cooling means There is disclosed an armature for an electric motor having an armature winding electrically connected to the armature commutator. The armature also has three or more housings in which portions of the armature winding are located and the connection includ... | 08/16/1988 |
| 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 |
| 4668898 | Electronically commutated motor An electronically commutated motor has a printed circuit board with opposite sides and a heat dissipating means arranged in spaced apart relation at least in part in the path of at least some of the cooling circulated in the electronically commutated moto... | 05/26/1987 |
| 4626720 | Cooling apparatus for motor means to protect commutator from dust and moisture in cooling air Cooling air is introduced through an opening in a wall portion of the motor housing radially opposing the commutator. A deflecting surface is provided for deflecting the cooling air entering the motor through the opening away from the commutator and towar... | 12/02/1986 |
| 4513217 | Rotary armature with cooling of commutator A commutator includes an annular end portion with a reduced diameter on each of its axially opposite sides formed by cutting away axially opposite end portions of a plurality of commutator segments included in the commutator into opposite steps, a shrink ... | 04/23/1985 |
| 4437030 | Rotor with a cooling device, more particularly of the commutator, for electric motors, and the method and means for making this device A rotor having a thermal bridge embedded in the rotor for transferring heat released by the commutator of the rotor to the inner bushing of the drive shaft of the electric motor thereby cooling the rotor. The bridge may either be formed of a solid metal p... | 03/13/1984 |
