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Date/App# patent app List of recent G Rotor-related patents
04/17/14
20140103774
 Wound-field synchronous machine including rotor damper-sleeve patent thumbnailnew patent Wound-field synchronous machine including rotor damper-sleeve
A wound-field synchronous machine includes a stator and a rotor. Around the rotor is a rotor sleeve including a damper bar assembly forming an amortisseur circuit..
04/03/14
20140093412
 Vacuum pump stators and vacuum pumps patent thumbnailVacuum pump stators and vacuum pumps
Combined booster and primary pump arrangements can be bulky and require separate supplies of purge gas and cooling water. In order to overcome this problem invention provides a vacuum pump in which two or more pumping mechanisms, i.e.
04/03/14
20140093380
 Noise reduction tab and method for wind turbine rotor blade patent thumbnailNoise reduction tab and method for wind turbine rotor blade
Rotor blade assemblies for wind turbines and methods for reducing rotor blade noise are disclosed. A rotor blade assembly includes a rotor blade having external surfaces defining a pressure side, a suction side, a leading edge, and a trailing edge extending between a tip and a root.
04/03/14
20140091172
 Rotary wing vehicle patent thumbnailRotary wing vehicle
A rotary wing vehicle includes a body structure having an elongated tubular backbone or core, and a counter-rotating coaxial rotor system having rotors with each rotor having a separate motor to drive the rotors about a common rotor axis of rotation. The rotor system is used to move the rotary wing vehicle in directional flight..
03/27/14
20140084514
 Frame assembly, mold, and method for forming rotor blade patent thumbnailFrame assembly, mold, and method for forming rotor blade
Frame assemblies, molds, and methods for forming rotor blades are provided. A frame assembly for a rotor blade mold includes a plurality of frames, at least one of the plurality of frames movable relative to the others of the plurality of frames, and a bed supported by the plurality of frames.
03/27/14
20140082928
 Method for manufacturing double-axis parallel motor and cover assembly jig patent thumbnailMethod for manufacturing double-axis parallel motor and cover assembly jig
In a rotor assembly process for assembling rotors to a case main body where stators are fixed, lower portions of the rotor shafts are fitted into two bearings fixed to the case main body with two lower shafts being fitted into inner circumferential surfaces of the rotor shafts. In a cover assembly process for assembling a rear cover to the case main body, two bearings fixed to the rear cover are fitted into upper portions of the rotor shafts with the lower shafts being fitted into the inner circumferential surfaces of the rotor shafts.
03/20/14
20140079554
 Fastening rotor blades to the hub of wind turbines patent thumbnailFastening rotor blades to the hub of wind turbines
The invention relates to the fastening of rotor blades to the rotor hub of wind turbines using transverse pins and tension rods in the region of the blade root. The transverse pins are arranged throughout the entire blade root shell wall and can be connected to a flange of the hub by the tension rods in the form of expansion screws.
03/20/14
20140077652
 Rotor for rotating electrical machine, rotating electric machine, and method for producing rotor for rotating electrical machine patent thumbnailRotor for rotating electrical machine, rotating electric machine, and method for producing rotor for rotating electrical machine
Provided is a rotor for a rotating electrical machine which is capable of minimizing increases in eddy current losses via a magnet, while making insulating film processing of the surface of the magnet unnecessary. The rotor for the rotating electrical machine includes: a rotor core having a magnet insertion hole extending inside; a magnet inserted in the magnet insertion hole; and an insulating filler which is filled between the inner wall of the magnet insertion hole and the magnet so as to secure the magnet.
03/20/14
20140076668
 Electric motor, hoisting machine and elevator system patent thumbnailElectric motor, hoisting machine and elevator system
An electric motor, a hoisting machine and also an elevator system are disclosed. The electric motor includes a stator, which stator includes slots, into which slots a concentrated winding is fitted.
03/13/14
20140072440
 Attachment system for a wind turbine rotor blade accessory patent thumbnailAttachment system for a wind turbine rotor blade accessory
A rotor blade assembly for a wind turbine has a rotor blade. A strip-member blade accessory is mounted to one of the rotor blade surfaces that stretches under normal operating conditions of the wind turbine.
03/13/14
20140072417
Turbo-molecular pump
A turbo-molecular pump includes a case member, a rotor accommodated in the case member, the rotor having rotor blades arranged in multiple steps, a rotor shaft provided coaxially with the rotor, a plurality of stator blades provided on an inner surface of the case member and arranged between the rotor blades, and a plurality of spacers for supporting the stator blades. One of the plurality of spacers has a cooling thick portion for covering an outer peripheral side surface of at least one adjacent upper or lower spacer, and a cooling pipe through which a cooling medium is circulated is provided in the cooling thick portion..
03/13/14
20140070541
System and method for separating fluids and creating magnetic fields
A system and method in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through a vortex chamber into an expansion chamber and then through at least a portion of a waveform pattern present between at least two rotors and/or disks. In further embodiments, a system and method is offered for harnessing fields created by a system having rotating rotors and/or disks having waveform patterns on at least one side to produce current within a plurality of coils.
03/06/14
20140064966
Systems and methods of tracking rotor blades
A blade tracking system including a detector having one or more sensors to detect radiation from at least one field of view of the detector, the one or more sensors generating signals based on changes in incident radiation to the one or more sensors as a rotor blade passes the field of view, and a processor to determine a pass time for the rotor blade to pass through the at least one field of view based on the generated signals.. .
03/06/14
20140064962
Electromechanical linear actuator for in blade rotor control
A rotor blade assembly includes a rotor blade and a movable trim tab located along a span of the rotor blade. A linear positioner is located inside the rotor blade and operably connected to the trim tab to move the trim tab thereby reducing rotor blade vibration.
03/06/14
20140061392
Aircraft with integrated lift and propulsion system
A vertical take-off and landing (vtol) aircraft is designed to be so efficient that it can be commercially competitive with runway dependent aircraft operating in a range of 100 to 1000 miles or more, with glide ratios of at least 24. Improvements include a combination of high efficiency tilting rotor and wing design that enable both vertical takeoff and efficient high speed cruising, a high aspect ratio wing, and a variable speed propulsion system efficient in both hover and cruise flight.
02/27/14
20140056745
Fixed-vane positive displacement rotary devices
A fixed vane positive displacement rotary device is disclosed that includes a primary rotor and one or more scavenging rotors rotatably disposed in a rotor encasement. The primary rotor includes a plurality of protrusions.
02/27/14
20140056697
Mechanical coolant pump
A mechanical coolant pump for an internal combustion engine includes a pump rotor wheel comprising rotor blades configured to pump a coolant radially outward. A non-rotating ring of pump stator blades is configured to encircle the pump rotor wheel.
02/27/14
20140054993
Electrical motor
The present invention relates to a downhole electrical motor elongated in a longitudinal direction, comprising a housing, a stator comprised inside the housing, a rotor comprised inside the stator rotatably connected to the stator, wherein the rotor has a locked end and a non-locked end and is locked in the locked end to avoid movement of the rotor in the longitudinal direction, and the rotor is able to move along the longitudinal direction in the non-locked end of the rotor to avoid thrust loads on the rotor due to thermal expansion of the rotor during rotor heating when the electrical motor is in operation and further comprising a locked bearing connected to the stator for supporting the rotor in the locked end and a non-locked bearing connected to the stator for supporting the rotor in the non-locked end, wherein the bearings are at least partially made from a ceramic material. Furthermore, the invention relates to a downhole tool comprising an electrical motor according to the invention and to a downhole system comprising a plurality of electrical motors according to the invention..
02/20/14
20140051538
Multi-speed transaxle for electric and hybrid vehicle application
An electric drive module for transferring torque to wheels of a motor vehicle a planetary gearset having a first member driven by the rotor and a second member. A synchronizer restricts a third member of the planetary gearset from rotation when the electric drive module operates at a first drive ratio.
02/20/14
20140049128
Permanent magnet electrical machinery
The invention is the permanent magnet electrical machinery that does not need any other energy and can be used as an electromotor or a generator. It consists of a shell that installed with iron cores, coils, principal axis, switches and a control circuit.
02/20/14
20140047903
Viscosity/elasticity measurement device and measurement method
A viscosity/elasticity measurement device includes a container for containing a measurement target material for detection of viscosity/elasticity is contained, a floating rotor made of material including a conductor, formed in a plate and circular shape when seen in plan view, and configured to be floated on a surface of the measurement target material, a magnet applying a magnetic field to the floating rotor in a direction perpendicular to a surface of the measurement target material, a rotational magnetic field control unit driving the magnet to apply a rotational magnetic field to the floating rotor, inducing an induction current in the conductor, and applying rotational torque to the floating rotor to rotate by lorentz interaction between the induction current and the magnetic field applied to the floating rotor, and a viscosity detection unit detecting the viscosity/elasticity of the measurement target material based on a rotation state of the floating rotor.. .
02/13/14
20140044566
Fluid transporter and fluid transporter driving method
A fluid transporter which transports fluid by pressing a plurality of radially disposed pressing shafts against a tube held in a circular-arc shape in directions from the inside of the circular-arc shape in accordance with rotation of a rotational pressing plate having a plurality of projections on the outer circumference thereof so as to allow flow of fluid includes: a first detecting section which detects the rotation angle of the rotational pressing plate; a second detecting section which detects the rotation angle of either a driving rotor for giving a rotational force to the rotational pressing plate or a reduction transmission mechanism for connecting the driving rotor and the rotational pressing plate; a data table which shows the relationship between the rotation angle of the rotational pressing plate and a cumulative delivery amount; and a controller which controls the drive of the driving rotor.. .
02/13/14
20140044565
Fluid transporter and fluid transporter driving method
A fluid transporter which transports fluid by pressing a plurality of radially disposed pressing shafts against a tube held in a circular-arc shape in directions from the inside of the circular-arc shape in accordance with rotation of a rotational pressing plate having a plurality of projections on the outer circumference thereof so as to allow flow of fluid includes: a first detecting section which detects the rotation angle of the rotational pressing plate; a second detecting section which detects the rotation angle of either a driving rotor for giving a rotational force to the rotational pressing plate or a reduction transmission mechanism for connecting the driving rotor and the rotational pressing plate; a data table which shows the relationship between the rotation angle of the rotational pressing plate and a cumulative delivery amount; and a controller which controls the drive of the driving rotor.. .
02/13/14
20140044550
Restraint mechanism for rotor blades of a turbo engine, an assembly method and a turbo engine
A restraint mechanism for rotor blades of a turbo engine on a rotor disk having blade root receptacles for radial guidance of the rotor blades is disclosed. The restraint mechanism has a plurality of axial securing elements, each having at least one web for positioning in a blade root receptacle, such that each web has a retaining section at one end for establishing a form-fitting design to a mating brace of another axial securing element.
02/13/14
20140042861
Rotor yoke and motor applying rotor yoke
A rotor yoke includes plural rotor cores having a disk shape laminated to be formed in a cylindrical shape, plural magnet inserting holes each including a longitudinal side and a transverse side, penetrated in a laminating direction of the rotor yoke, a bridge portion arranged between the magnet inserting holes adjacent to one another in a circumferential direction of the rotor cores and connecting an inner area to an outer area, a recessed portion arranged at the bridge portion and formed from the outer circumferential surface of the rotor cores toward radially inward and a protruding edge protruding toward an inside of the magnet inserting hole.. .
02/06/14
20140037452
Fixture for connecting rotors of rotary machine and method of connecting rotors
A fixture for connecting rotors of a rotary machine includes: an axial member provided with a column-like fitting portion which is disposed inside of a first bolt hole and fits the first bolt hole; and a sleeve provided with a cylindrical fitting portion which is disposed inside of a second bolt hole and fits the second bolt hole. The axial member further includes a tapered portion which is formed on an end portion of the column-like fitting portion, and is gradually reduced in diameter from the first bolt hole toward the second bolt hole.
02/06/14
20140037448
Control system and method for mitigating rotor imbalance on a wind turbine
A wind turbine includes multiple blades, multiple micro inertial measurement units (mimus) for sensing parameter signals of the blades, and a control system. The control system includes a blade bending moment calculation unit, a blade bending moment error signal calculation unit, and a pitch angle compensation command calculation unit.
02/06/14
20140035529
Systems, methods, and apparatus for a homopolar generator charger with integral rechargeable battery
Systems, methods, and apparatus for providing a homopolar generator charger with an integral rechargeable battery. A method is provided for converting rotational kinetic energy to electrical energy for charging one or more battery cells.
02/06/14
20140035422
Rotor, motor and method for manufacturing rotor
A motor includes a shaft, a rotor, and a stator. The rotor includes first and second rotor cores, and a field magnet.
02/06/14
20140034262
Method of manufacturing rotor such as impeller or turbine wheel
Disclosed is a method of manufacturing an impeller or a turbine wheel having a disk hub and an air foil. The method includes forming a mold for casting including a cavity of a shape corresponding to the rotor, arranging a core at a location corresponding to an inside of the rotor in the cavity of the mold for casting, injecting molten metal into the mold for casting where the core has been arranged, and removing the core from a casting which has been cast in the mold for casting..
01/30/14
20140029881
Support disc bearing for an open-end spinning device
A rotor bearing comprising at least one support disc pair, which is comprised of two support discs (40, 41, 42, 43), which are arranged in such a way that they form a wedge gap, and a spinning rotor (3) with a rotor shaft (4), which is mounted in the wedge gap. The invention is to provide a support disc bearing that is easy to produce.
01/30/14
20140028237
Inverter control apparatus and control method thereof
An inverter control apparatus and a control method thereof are provided. The inverter control apparatus and a control method thereof stably operate a three-phase motor using a capacitor having a small capacitance for a dc link.
01/30/14
20140028141
Rotor and generator for reducing harmonics
A rotor for a generator comprises a stack of laminate plates and conductive end caps on either side thereof. The laminate plates and the end caps have holes near a periphery thereof, and conductive rods are positioned in the holes, and secured to the end caps.
01/30/14
20140027937
Device and method for producing polymer agglomerates
The invention relates to a device (1) for producing polymer agglomerates, comprising a compounder (2) having a housing (21) and a twin screw (22) arranged therein as well as a plurality of material inlets (3, 4) for admission of a polymer and additives, tempering units for heating the mix comprising polymer and additives, at least one degassing unit (5) and an outlet (23) and an agglomerating vessel (11) having an agglomerating tool (8) and a cooling tool (10). The agglomerating vessel (11) is connected via a connection channel (6) to the outlet (23) of the compounder (2), wherein the twin screw (22) of the compounder (2) is designed as a co-rotating twin screw (22) and the agglomerating tool (8) of the agglomerating vessel (11) is arranged in the fall direction of the mix below the connection channel (6) and comprises mutually engaging rotors (81) and stators (82) for producing agglomerates of defined particle size.
01/30/14
20140027416
Method for manufacturing rotor
An exemplary method for manufacturing a rotor is disclosed. A fixture is firstly made.
01/30/14
20140027086
Hybrid operating apparatus of regenerative heater and hybrid operating method of regenerative heater
A hybrid operating apparatus including an absolute humidity sensing unit configured to sense an absolute humidity of air supplied to a dehumidifying rotor; a dew point temperature sensing unit configured to sense a dew point temperature of air returned from a dry room; a regeneration exhaust temperature sensing unit configured to sense a temperature of exhaust air regenerated in the dehumidifying rotor; a control unit configured to operate the regenerative heater to a regeneration temperature corresponding to the sensed absolute humidity; and a memory unit configured to store the regeneration temperature of the regenerative heater.. .
01/30/14
20140026688
Control moment gyroscopes including torsionally-stiff spoked rotors and methods for the manufacture thereof
Embodiments of control moment gyroscopes (cmgs) are provided, as are embodiments of a method for fabricating cmgs. In one embodiment, a cmg includes a stator housing, an inner gimbal assembly (iga), and a torque motor coupled to the stator housing and configured to rotate the iga housing about a gimbal axis to selectively generate a desired output torque during operation of the cmg.
01/23/14
20140024421
Threshing element for harvesters
A threshing element includes a structure having an outside surface for threshing a crop material, and an inside surface. A body is operatively connected to a sensor.
01/23/14
20140023508
Rotor assembly
A rotor assembly includes a rotor disc and a plurality of circumferentially-spaced, radially outwardly extending rotor blades. The rotor disc has a rim and a plurality of circumferentially spaced slots provided in the rim of the rotor disc, each rotor blade having a root, the root of each rotor blade being arranged in a corresponding one of the slots in the rim of the rotor disc, and at least one of the slots having a chocking device accommodated within a space between a radially outer surface of the slot and a radially inner surface of the root of the rotor blade.
01/23/14
20140021890
Comminuting machine drive system
A comminuting machine includes a frame, a comminuting rotor coupled to the frame, and a rotary drive coupled to the rotor. The rotary drive including a controller, a multi-phase motor connected to the controller, a set of contactors disposed between the controller and the multi-phase motor for selectively providing driving motive force to the multi-phase motor, and at least one rheostat disposed between the controller and the multi-phase motor, in parallel with the first set of contactors, for selectively providing a stopping resistance to the multi-phase motor to effect frictionless braking of the comminuting rotor, wherein the controller is configured to operate the set of contactors and the at least one rheostat to single phase lines of the multi-phase motor for providing the stopping resistance..
01/23/14
20140021809
Reluctance motor
Some exemplary reluctance motors disclosed herein comprise a rotor having a plurality of radially outwardly projecting rotor poles and a plurality of generally u-shaped stator units positioned circumferentially around the rotor. Each stator unit is spaced circumferentially apart and magnetically isolated from adjacent stator units.
01/23/14
20140020992
Brake assembly with compression spacer
A braking system for retarding rotation of a wheel includes a rotor having two opposing rotor sides, wherein the rotor is coupled to the wheel. The braking system also includes a knuckle rotatably coupled to the rotor, a caliper disposed relative to the knuckle, and first and second friction pads.
01/16/14
20140015362
Sphere zone coupling of magnetic devices and multiple applications
A sphere zone coupling of magnetic devices has a first rotor containing permanent magnet array and a second rotor. The first rotor and the second rotor have the sphere zone surfaces forming from magnetic array or similar of almost the same sphere radius facing with constant air gap at overlapped area.
01/16/14
20140015304
Chamber for milling machine
A chamber for a milling machine includes a milling rotor rotatably mounted transversely on the chamber. The chamber also includes a side plate mounted on the chamber, adjacent to the milling rotor, in a substantially vertical position.
01/09/14
20140010698
Multiple segment lobe pump
Designs for multiple segment lobe pumps are shown. The designs include pumps using rotors having two lobes to a plurality of lobes and segments that include two segments to a plurality of segments.
01/09/14
20140010660
Axial-radial rolling contact bearing, in particular for supporting rotor blades on a wind turbine
The invention relates to an axial-radial rolling contact bearing, in particular for supporting rotor blades (2) on a wind turbine (1), comprising a first bearing ring (7) and a second bearing ring (8), which form an inner ring and an outer ring, and comprising a radial rolling contact bearing row (4) and a plurality of axial rolling contact bearing rows between the first bearing ring (7) and the second bearing ring (8). According to the invention, at least four axial rolling contact bearing rows (5a, 5b, 5c, 5d) which are arranged at a distance from each other in the axial direction (x) are provided, said radial rolling contact bearing row (4) being arranged between the second axial rolling contact bearing row (5b) and the third axial rolling contact bearing row (5c) in the axial direction (x)..
01/09/14
20140009102
System and method of speed detection in an ac induction machine
A system and method for determining rotor speed of an ac induction machine is disclosed. The system is programmed to estimate a rotor speed of the induction machine according to a linear speed estimation algorithm and based on name plate information (npi) of the induction machine and parameters of the ac induction machine during operation thereof.
01/09/14
20140008498
Tilt wing rotor vtol
An aircraft for vertical take-off and landing. The aircraft comprises a first wing, a second wing and a fuselage.
01/02/14
20140001297
Comminuting device comprising a comminuting rotor having a continuous knife
A comminuting device for waste products and/or production waste, comprising a driving equipment that drives at least one comminuting rotor presenting on the periphery thereof a plurality of comminuting tools that are fixed to the comminuting rotor, for forming at least one knife bank extending in the axial direction with one directional component, the comminuting tools cooperating with at least one counterknife arrangement adapted in its form to the rotation surface of the comminuting rotor equipped with said tools, for disintegrating the material to be processed. Neighboring comminuting tools within a knife bank are arranged adjacent to each other at respectively associated lateral faces and offset to each other on the periphery of the rotor, wherein equivalent cutting edges of neighboring comminuting tools have the same distance to the rotor axis and each lie in a plane that runs parallel to the rotor axis..
01/02/14
20140000096
Method for manufacturing rotor core
A rotor core is manufactured by forming thin plate-like core pieces including holes, forming a lamination body including insertion holes by laminating the core pieces, and inserting and embedding a permanent magnet in each of the insertion holes of the lamination body. The holes of each core piece include one or more first holes, in each of which a position determining portion for determining the position of the permanent magnet is formed, and one or more second holes, in which a position determining portion is not formed.
12/26/13
20130343879
Turbine comprising a sealing device between the stator blade carrier and the housing
The invention relates to a turbine of a power plant, having a stator, which has a housing and in the housing at least one stator blade carrier comprising stator blades. A rotor is provided which has a rotor shaft having rotor blades.
12/26/13
20130342049
Cooled magnet motor
An electric motor/generator comprises a rotor with magnets mounted on the surface of the rotor, the magnets facing the stator over a gap. The magnets have a very high flux density but a limited ability to withstand high stator currents at high temperatures, preferably magnets made of the n48h material.
12/26/13
20130342040
Switched reluctance motor and switched reluctance motor drive system
A regenerative switched reluctance motor and a motor drive system therefor are provided. The motor has a rotor 33 with stacked rotor units 33a-33d each comprising 2n salient poles and a stator 31 with stacked stator units 31a-31d surrounding and corresponding to the rotor units and each comprising 4n magnetic poles to form a predetermined gap with the salient poles of the corresponding rotor unit.
12/26/13
20130342039
Switched reluctance motor and switched reluctance motor drive system
A regenerative switched reluctance motor and a motor drive system therefor are provided. The motor has a rotor 33 with stacked rotor units 33a-33d each comprising 2n salient poles and a stator 31 with stacked stator units 31a-31d surrounded by and corresponding to the rotor units and each comprising 4n magnetic poles to form a predetermined gap with the salient poles of the corresponding rotor unit.
12/12/13
20130332022
Determining rotorcraft collective adjustment during ground test
A method for evaluating a collective alignment of rotor blades for an aircraft while the aircraft is on the ground is disclosed. The method includes determining an air density altitude, and determining a torque value for each engine of the aircraft, while the aircraft rotor blades are operated at a normal speed and the rotor blades are set to a full down position for ground operations via a collective controller.
12/12/13
20130327859
Drive system for a ball mill and method for operating a ball mill
A drive system for a ball mill includes a motor with a slip-ring rotor. The motor is assigned a family of characteristics relating the torque of the motor to a further characteristic variable.
12/05/13
20130319106
Flow meter with hollow blocking rotor
A flow meter is disclosed with a hollow blocking rotor. The flow meter includes a housing that has a cavity with an inlet and an outlet.
11/28/13
20130313936
Rotor and motor including rotor
A rotor includes: a rotor core fixed to a rotating shaft so as to be rotatable together with the rotating shaft; and a plurality of permanent magnets embedded and fixed in the rotor core. Each permanent magnet is formed of a pair of magnet pieces having a pair of magnetic pole-facing portions radially extending and magnetized so that poles of the same polarity face each other in a circumferential direction.
11/28/13
20130313934
Rotor of motor and fan driving motor including rotor
Provided are a rotor of a motor capable of attaining a high-speed rotation by appropriately dispersing a stress exerted on a flux barrier portion while reducing a leakage of magnetic flux, and a fan driving motor including the rotor. A second inner wall surface is greater than a first inner wall surface in length in a cross-section perpendicular to a rotational axis (c).
11/28/13
20130313933
Rotor of motor and fan driving motor including rotor
Provided are a rotor of a motor capable of attaining a high-speed rotation by appropriately dispersing a stress exerted on a flux barrier portion while reducing a leakage of magnetic flux, and a fan driving motor including the rotor. A second inner wall surface is greater than a first inner wall surface in length in a cross-section perpendicular to a rotational axis (c).
11/28/13
20130312383
Haymaking machine
A haymaking machine, or a windrower, including a support structure including a main beam on which is articulated at least one lateral arm supporting at least one windrowing rotor. The rotor is connected to a support device forming an interface with a support mounted on the lateral arm.
11/21/13
20130307357
Permanent magnet motor with a closed cooling system
An electric, permanent magnet motor (10) is described, where the motor comprises a motor housing (12) with a stator (14) and an internal rotating rotor (16) connected to a central shaft (24), as the rotor (16) is equipped externally with magnets (30) and the stator (14) is internally equipped with coils (32) and that during operation of the motor, the torque is transferred to the central shaft (24) for operation of external equipment. The motor (10) is equipped with a closed cooling system in the form of a rotor cooling system and a stator cooling system, where the closed rotor cooling system comprises an internal fan system in the motor housing (12) and which is arranged to force a cooling agent to flow through an air gap (52) between the rotor (16) and the stator (14), and past one or more heat exchangers (54) inside the motor housing (12), for cooling the cooling agent which shall be forced through the air gap (52) again, and the stator cooling system comprises a cooling jacket (40) in the motor housing (12), and which surrounds the stator (14), as the fluid is forced to flow through the cooling jacket (40) to take up the heat loss from, at least, the stator (14), and where the cooling jacket (40) of the stator cooling system comprises an internal fluid channel (42) for circulation of the fluid..
11/21/13
20130305850
Control moment gyroscopes including rotors having radially-compliant spokes and methods for the manufacture thereof
Embodiments of control moment gyroscopes (cmgs) are provided, as are embodiments of a method for fabricating cmgs. In one embodiment, a cmg includes a stator housing, an inner gimbal assembly (iga), and a torque motor coupled to the stator housing and configured to rotate the iga housing about a gimbal axis to selectively generate a desired output torque during operation of the cmg.
11/14/13
20130304400
System and method of determining rotor loads and motion
A system for reconstructing sensor data in a rotor system that comprises a rotating component of the rotor system, a plurality of sensors in the rotating component to sense at least one of loads and motion characteristics in the rotating component and to generate sensor data, and an analysis unit to generate reconstructed sensor data from the sensor data using numerical analysis for low-rank matrices.. .
11/14/13
20130302169
Rotor assembly for an axial turbine
A rotor assembly includes a drive shaft; a rotor having rotor blades, which each comprise a profiled rotor blade section and a blade fastening section; wherein each blade fastening section comprises a first contact region and a second contact region, the first contact region being at least indirectly supported on the blade fastening section of a first adjacent rotor blade, the second contact region being at least indirectly supported on the blade fastening section of a second adjacent rotor blade; the blade fastening sections are fastened in a formfitting manner and/or by a screw connection on the drive shaft, so that there is a connection between rotor blade and drive shaft on an axial end face of the blade fastening section. Intermediate elements having an elastic intermediate layer are between the blade fastening sections of adjacent rotor blades..
11/14/13
20130302163
Method and apparatus for connecting turbine rotors
Connecting rotors in rotary machines, particularly turbines, is generally described. Some aspects of the invention provide for a simplified attachment rotors to each other and/or other components of a turbine assembly, such as, drive shaft, using friction fit..
11/14/13
20130300182
Construction vehicle for preparation of a road surface
The invention relates to a construction vehicle for preparation of a road surface, more particularly a road milling machine or a ground stabilizer, comprising a rotatably driven milling cutter, more particularly a milling rotor or a milling drum, and a drive unit for a milling tool, comprising a drive motor and a gear unit interposed between the drive motor and the milling cutter, wherein the gear unit is in the form of a cogwheel gearbox and comprises at least two gear pairings having different gear ratios, wherein the gear pairings can be selectively engaged to form part of the drive connection or disengaged therefrom.. .
11/14/13
20130298686
Device and method for monitoring a rotor
A monitoring device for monitoring rotors of turbines, including: an acoustic sensor; and a sound waveguide for connecting the acoustic sensor to a sensing point close to the rotor of the turbine. The acoustic sensor is configured to detect, as soundwaves, pressure fluctuations due to pressure differences between suction and pressure sides of blades of the rotor as they move past in proximity of a sensing point.
11/07/13
20130294190
Stirrer
A stirrer having a motor; a hollow shaft that is drivable via the motor and is provided with at least one additive outlet opening, via which an additive passed through the hollow shaft can be discharged; and a rotor arranged on the hollow shaft and having rotor blades, characterized in that a second rotor having rotor blades is provided on the hollow shaft at a distance from the first rotor, and in that the at least one additive outlet opening is provided between the two rotors, wherein the rotors are designed and drivable such that, during operation, a negative pressure and a centrifugal force are generated in the intermediate space defined between the rotors.. .
10/31/13
20130285624
Device and method for inhibiting vibration of superconducting magnetic suspension rotor
A device and a method for inhibiting vibration of a superconducting magnetic suspension rotor. The device comprises a rotor cavity housing, lateral coils, a superconducting rotor with a rotor top plane, a copper plate, pole shoes, a z-axial vibration measuring sensor, an x-axial vibration measuring sensor, a y-axial vibration measuring sensor, and a copper ring, the pole shoes having a spherical inner surface and being arranged symmetrically up and down so as to form a rotor cavity; the annular lateral coils being closely adjacent to an outside cylindrical surface of the rotor cavity housing and fixed to the same; the z-axial vibration measuring sensor being fixed to a central region of the copper plate; the x-axial vibration measuring sensor being mounted along an x-coordinate axis and the y-axial vibration measuring sensor mounted on a on the copper ring which is mounted along an equatorial plane of the rotor..
10/31/13
20130283754
Open-end spinning rotor
An open-end spinning rotor (1), comprising a rotor shaft (4), a rotor cup (2) and a coupling device (3) releasably connecting the rotor shaft (4) and rotor cup (2). The coupling device (3) has locking bodies (6), arranged in a holding element (5) and lock the rotor cup (2) and the rotor shaft (4) in the axial direction under centrifugal force during operation of the open-end spinning rotor (1).


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G Rotor topics: Electrical Machine, Rotor Shaft, Gas Turbine, Control Solution, Gas Turbine Engine, Mathematica, Magnetic Field, Wind Turbine, Longitudinal Axis, Partitioning, Data Acquisition, Storage Device, Flywheel Energy Storage, Modulation, Synchronous

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