Electrical generator or motor structure patents
Featured patents
Positioning System for Positioning a Positioning Unit Along a Longitudinal Axis
US 08823220 B2, Sept. 2, 2014, Support for movable element, Robert Axelsson et al. / Mydata Automation AB (Taby, SE)
A positioning system for positioning a positioning unit along a longitudinal…
Thermoelectric Generator
US 08773003 B2, July 8, 2014, Voltage, spark or current generator, Thomas Skotnicki / STMicroelectronics (Crolles 2) SAS (Crolles, FR
A thermoelectric generator comprising:…
Multiple Arm Smart Material Actuator With Second Stage
US 08729774 B2, May 20, 2014, With mechanical energy coupling means, Jeffery B. Moler / Viking AT, LLC (Sarasota, US)
An actuator apparatus comprising a smart material device, a compensator,…
Alignment of Segmented Stators for Electric Machines
US 08736134 B2, May 27, 2014, Coil retainers or slot closers, David M. Lyle / Nidec Motor Corporation (St. Louis, US)
A stator segment for a segmented stator, the stator segment comprising:…
Mechanical Temperature Compensation Methods and Devices
US 08664832 B2, March 4, 2014, With mechanical energy coupling means, Göran Cewers / Mindray Medical Sweden AB (Sundbyberg, SE)
A mechanical temperature compensation element for use as a compensation element…
Transverse Flux Motor as an External Rotor Motor and Drive Method
US 08624463 B2, Jan. 7, 2014, C- or U-shaped core, Michael Schmidt / Leantec Motor GmbH & Co. KG (Saalfeld, DE)
A transverse flux motor, comprising:…
Electric Machine Having Radial Dividers for Guiding Cooling Air
US 08614528 B2, Dec. 24, 2013, Rotor passage, Ekkehard Ressel et al. / Siemens Aktiengesellschaft (München, DE)
An electric machine, comprising:…
Systems and Methods for Operating Piezoelectric Switches
US 08552621 B2, Oct. 8, 2013, With mechanical energy coupling means, Robert Carpick et al. / The Trustees Of The University of Pennsylvania (Philadelphia, US)
A method for operating a piezoelectric switch, the piezoelectric switch…
Permanent Magnet Drive Apparatus and Operational Method
US 08487484 B1, July 16, 2013, Motor having both linear and rotary movement, Andrew E. Colson, Jr. et al. / Torque Multipliers, LLC (Watchung, US)
A magnetic drive apparatus, comprising:…
Terminal Module for Rotating Electric Machine Having a Guide Portion, Rotating Electric Machine, and Manufacturing Method Thereof
US 08482172 B2, July 9, 2013, Connectors, terminals or lead-ins, Kei Sasaki et al. / Toyota Jidosha Kabushiki Kaisha (Aichi-ken, JP)
A terminal module for a rotating electric machine mounted on an end surface…
Patentorg has 1755 documents under Electrical Generator or Motor Structure Patents.
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- Non-Dynamoelectric 8
- P-N Semiconductor 3
- Direct Charge Particle Emission 2
- Thermal or Pyromagnetic 5
- With Heat Actuated Bimetal Element 2
- Charge Accumulating 1
- Electrostatic 36
- Friction 3
- Piezoelectric Elements and Devices 10
- Adding or Subtracting Mass 2
- Surface Acoustic Wave Devices 25
- Orientation of Piezoelectric Material 3
- Interdigitated Electrodes 5
- Envelope or Apodized 1
- Electrical Systems 3
- Temperature Compensation Circuits 2
- Input Circuit for Simultaneous Electrical and Mechanical Output From Piezoelectric Element 7
- Charging and Discharging 4
- Input Circuit for Mechanical Output From Piezoelectric Element 24
- Input Circuit for Electrical Output From Piezoelectric Element 8
- Electrical Output Circuit 5
- Piezoelectric Slab Having Different Resonant Frequencies at Different Areas 10
- Combined With Resonant Structure 8
- Acoustic Wave Type Generator or Receiver 4
- Direct Mechanical Coupling 5
- Motor Producing Continual Motion 17
- Traveling Wave Motor 2
- Stator 1
- Support 1
- Piezoelectric Element or Electrode 1
- Pressing Means Detail 3
- Langevin or Pencil Type Motor 3
- Output Member Detail 1
- Roller or Ball Element 1
- Eliptical Motion at Fixed Point or Ratchet and Pawl Motor 7
- Positions an Object 2
- Device Performs Work on an Object 1
- Horn or Transmission Line 1
- Detector 1
- Diaphragm 10
- Sandwich or Langevin Type 1
- Combined With Damping Structure 1
- On Back of Piezoelectric Element 1
- With Mechanical Energy Coupling Means 56
- Including Inertia Type Operator 5
- Bending Type 9
- Plural Elements 1
- Multimorph 4
- Shear or Torsional Type 1
- Acoustic Wave Type Generator or Receiver 34
- With Lens or Reflector 1
- Nondestructive Testing Type 2
- Underwater Type 1
- Force or Pressure Measuring Type 8
- Voltage, Spark or Current Generator 59
- Encapsulated or Coated 3
- With Temperature Modifier and / or Gas or Vapor Atmosphere Control 1
- With Heating Element 1
- Sealed Unit 22
- Supported by Elastic Material 3
- With Temperature Compensating Structure 6
- With Mounting or Support Means 22
- Air Gap 1
- Suspended by Thin Member 2
- Contact at Edges Only 1
- 90 Degrees to Major Surface and Margin Clamped Only 1
- Orientation of Piezoelectric Polarization 1
- Ceramic Composition 15
- Electrode Materials 4
- Multilayer 4
- Electrode Arrangement 7
- More Than Two 7
- Piezoelectric Element Shape 5
- Rectangular Plate 1
- Circular Disc, Ring, or Cylinder 2
- "U" or "Tuning Fork" Shape 27
- Conducting Fluid 2
- Reciprocating 21
- With Cooling or Temperature Modification 1
- With Other Elements 1
- Motion-Converting Mechanism 5
- Reed Type 23
- Magnetostrictive 6
- Pivoted or Flat-Spring Armature 3
- Solenoid and Core 5
- Solenoid and Core 1
- Oscillating 5
- With Motion-Converting Mechanism 1
- Linear 4
- Having Structure to Facilitate Assembly 1
- Specific Use Device 4
- X-Y Positioner 6
- Precision Type 2
- Projector 1
- Plural Dynamoelectric Machines 1
- Motor Having Both Linear and Rotary Movement 6
- Plural Stators or Movable Elements 5
- Solenoid and Core Type 3
- Voice Coil Type 11
- Synchronous Type 3
- Having Structure to Facilitate Control 3
- Coil Structure 2
- Shape or Spacing 5
- Coating 1
- Magnet or Pole Structure 2
- Size, Spacing or Orientation 5
- Shape 1
- Mechanical Element 1
- Cooling 2
- Support for Movable Element 3
- Enclosure 1
- Molded Plastic 19
- Powdered Metal 2
- Impregnated or Coated 4
- Magnetic Motors 1
- Having a Particular Dimension 1
- Axially Thin Type 1
- Having a Particular Stator Pole to Rotor Pole Relationship 1
- Having Stator With Winding and Permanent Magnet 1
- Positioned in Magnetic Air Gap 1
- Portable or Hand Tool 16
- Vibration or Noise Suppression 10
- Cooling or Fluid Contact 20
- With Control Means 3
- Liquid Coolant 43
- Intermediate Confined Coolant 6
- Circulation 13
- Plural Units or Plural Paths 16
- Self-Forced 1
- Rotor Passage 13
- Suction Pump or Fan 8
- Pressure Pump or Fan 5
- Hollow Passages 2
- Heat-Exchange Structure 14
- Spacers 2
- With Other Elements 1
- Inbuilt or Incorporated Unit 17
- Bicycle-Hub Generators 1
- Electric Circuit Elements 16
- Shaft-Driven Switch 1
- Connectors, Terminals or Lead-Ins 71
- Impedance Devices 3
- Condition Responsive 26
- Temperature, Current-Responsive, i.e., Protectors 7
- Conversion Elements, 14
- Inertia or Fly-Wheel Device 5
- Drive Mechanism 6
- Brake 4
- Clutch 2
- Motion Conversion 8
- Unbalanced Weight 6
- Swash Plate 1
- Gearing 15
- Rim Drive 2
- Flexible Shaft or Coupling and Hollow Shaft Drive 1
- Shield in Air Gap 5
- Submersible 5
- Dirt, Moisture or Explosion Proof 7
- Housings, Windows or Covers 15
- Bearing or Air-Gap Adjustment or Bearing Lubrication 39
- Magnetic Bearing 25
- Supports 11
- Torque-Transmitting Clutches or Brakes 1
- Magnetic Field Type 16
- With Air-Gap Shield 1
- Induced or Eddy Current Type 1
- Plural Units, Structurally United 7
- Motor-Generator Sets 8
- Plural Rotary Elements 8
- Mechanically Controlled Element 1
- Squirrel Cage Type 2
- Plural Armature Windings 1
- Permanent Magnet Machines 1
- Permanent Magnet Stator 1
- Mounted to Magnet Yoke 1
- Embedded in Core or Pole 1
- Clip Secured to Housing 1
- With Specific Dimension 1
- Specific Magnetization 1
- Specific Position or Shape 1
- Permanent Magnet Rotor 2
- Transverse Flux 4
- Separate Portion of the Rotor Magnet Used as a Thrust Bearing 2
- Additional Flux Directing Magnets 1
- Mounting (Such as on a Surface of a Shaft) 6
- Keyed to Shaft 3
- Magnets in Shaft 1
- Mounted on a Sleeve / Hub 6
- Keyed to a Sleeve / Hub 2
- Induced Flux Pole on Sleeve / Hub 1
- With an Adhesive 3
- With an Axial End Clamp 4
- Including Thermal Compensation 1
- Sleeve Covering Magnet Face 3
- Sleeve Parallel to Magnetic Face 1
- Banding Around Magnet 2
- Including an Axial Air Gap 5
- With Pole Shoes 2
- With Single Rotor Magnet and Plural Stators 1
- With Plural Sets of Rotating Magnets 2
- With Single Stator and Plural Sets of Rotating Magnets 1
- Specific Shape 6
- Specific Magnetization 6
- Specific Dimensions 2
- Skewed 3
- Pole Shoes / Pole Pieces 4
- Radial Flux Path and Radially Positioned Pole Shoes 1
- Embedded in a Core 28
- Induced Flux Return Poles 2
- Circumferential Flux Path and Circumferential Pole Shoes 1
- Embedded 1
- With Slots or Holes to Guide Flux 11
- Pole Shoes Fixed to Hub or Shaft 2
- Claw Poles / Interfitting Poles / Lundel 3
- Additional Support for Magnet 1
- Damping Features 1
- Damper in Pole Pieces 1
- Including a Flux Barrier 1
- Universal (A.C. Or D.C.) 1
- Synchronous 1
- Inductor-Type Generators (Variable Reluctance) 1
- Shifting Field 1
- D.C. 2
- Homopolar 2
- Windings and Core Structure 17
- Field or Excitation Windings or Structure 10
- Combined Permanent and Electromagnet 8
- Damper Winding 1
- Plural Field Windings 7
- Magnetic Shunts for Shifting Field Flux 1
- Adjustable Magnetic Structure 3
- Nonuniform Core Cross Section 4
- Coil Supports and Spools 21
- Armature or Primary 5
- Corona-Prevention 3
- Plural Windings 14
- Variable Length or Tapped Windings 1
- Bar Windings 14
- Closed Windings 1
- Wave 4
- Coils 14
- Squirrel Cage 13
- Coil Retainers or Slot Closers 9
- Slot Liners 24
- Core 3
- Pole-Less Core 1
- Laminated Core 4
- Having Particular Grain Orientation 1
- Plural Laminated Segments Radially United 2
- Plural Axially Laminated Segments Circumferentially United 4
- Having Particular Mating Joint Structure 7
- Circumferentially Offset Laminations 1
- Offset Pole Teeth 1
- Plural Diverse Elements 1
- Diverse Laminations 5
- Magnetic and Nonmagnetic Laminations 1
- E-Shaped 1
- Having Winding on Center Leg and Magnetically Coupled Poles 1
- C- or U-Shaped Core 2
- Plural Cores Unified by Magnetic Coupling Between Poles, With a Winding Around the Middle Bend of Each Core 1
- Plural Unified Cores Having a Pole Winding 1
- Having Axially Extended Spiral Lamination 1
- Having Bending Notch 1
- Radially Stacked 1
- Spirally Wound 1
- Having Interlamina Mating Structure on Lamina Face 1
- Having a Lamination Including a Radially Extending Mounting Projection 2
- Dovetail Projection 1
- Laminated Pole 2
- Securing Means 2
- Laminated Pole Tip 1
- Having Slot of Particular Shape 2
- Plural Diverse Slot Shapes 1
- With Plural Diverse Pole Shapes 1
- Pole Structure 4
- Particular to Switch Reluctant Machine 1
- Removable Pole 2
- Pole Tip 1
- Defining Non-Uniform Air Gap 4
- Tapered Tip 1
- Via Tip Slot 1
- Removable Tip 1
- Magnetic Inter-Pole Bridging Structure 1
- Cylindrical Bridging Structure 1
- Having Flux Guide 1
- Core Having a Particular Dimension 1
- Having a Particular Binding or Supporting Means 2
- End Ring or Plate 3
- Secured to Shaft 1
- Secured to Frame 2
- Secured to Shaft 2
- Secured by Axially Extending Bar 2
- Positioned in Axial Through Hole 1
- Secured by Bonding Agent 1
- Current Collectors 1
- With Cooling 1
- Slip Rings 3
- Commutators 3
- Disc 1
- Fixed Structure 3
- Brush Holders or Rigging 10
- Brush-Lifting 1
- Brush Engagements or Guides 4
- Brush Affixed to Pivoted Arm 1
- Brushes 4
- Structure 1
- End Shield 1
- Having Legs for Supporting a Bearing 2
- Two Cup-Shaped End Shields 1
- Having Ventilation Hole 1
- Shaft Mounted Spider 1
- Base With Bearing Support 1
- Having Axial Tie Bar for Attaching Core 2
- Dovetailed to Core 1
- Miscellaneous Stator Structure 4
- For Railway-Type Machines 1
- Interfitting or Claw-Tooth Stators 2
- End Turn Supports 4
- Miscellaneous Rotor Structure 9
- Interfitting or Claw Tooth Rotors 7
- Hollow 4
- Disc 5
- Salient Pole 2
- Piezoelectric Polymers 2