Electrical generator or motor structure patents
Featured patents
Arrangement to Ensure an Air Gap in an Electric Machine
US 08791617 B2, July 29, 2014, Nonuniform core cross section, Henrik Stiesdal / Siemens Aktiengesellschaft (Munich, DE)
An arrangement to ensure an air gap in an electrical machine, comprising:…
Permanent Magnet Embedded Rotor for Rotating Electric Machine and Rotating Electric Machine
US 08766503 B2, July 1, 2014, Embedded in a core, Yoshiyuki Nakane et al. / Kabushiki Kaisha Toyota Jidoshokki (Aichi, JP)
A permanent magnet embedded rotor for a rotating electric machine, the rotor…
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,…
Polarity Switching Circuit
US 08736142 B2, May 27, 2014, Input circuit for mechanical output from piezoelectric element, Shih-Chang Chen / Microjet Technology Co., Ltd. (Hsinchu, TW)
A polarity switching circuit for converting a DC high voltage into an output AC…
Systems, Methods, and Apparatus for Shorting Slip Rings of an Induction Motor
US 08674581 B2, March 18, 2014, Slip rings, Nelson Kawasaki et al. / General Electric Company (Schenectady, US)
A system for shorting slip rings of an induction motor, comprising:…
Cooling of Permanent Magnet Electric Machine
US 08604651 B2, Dec. 10, 2013, Cooling or fluid contact, Richard A. Himmelmann / Hamilton Sundstrand Space Systems International, Inc. (Windsor Locks, US)
A cooling system for an ancillary component of an electric machine comprising:…
Linear Vibrating Motor
US 08552598 B2, Oct. 8, 2013, Reciprocating, Yong-Hua Pu / AAC Acoustic Technologies (Shenzhen) Co., Ltd. (Shenzhen, CN
A linear vibrating motor, comprising:…
Generator Motor
US 08569919 B2, Oct. 29, 2013, Bearing or air-gap adjustment or bearing lubrication, Yukihiko Sugimoto et al. / Komatsu Ltd. (Tokyo, JP)
A generator motor comprising:…
Fan Motor Using Epoxy Resin
US 08492939 B2, July 23, 2013, Molded plastic, Takakazu Hasegawa et al. / Minebea Motor Manufacturing Corporation (Tokyo, JP)
A fan motor comprising:…
Brushless DC Motor
US 08476796 B2, July 2, 2013, Condition responsive, Songfa Tang / ZhongShan Broad-Ocean Motor Co., Ltd. (Zhongshan, CN)
A brushless DC motor, comprising:…
Patentorg has 1755 documents under Electrical Generator or Motor Structure Patents.
Narrow down the browsing criteria below to see more patents.
- 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