Variable impedance in stator or rotor circuit

Industry

CPC
H02P25/24

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Parent Industries

HELECTRICITY H02Electric power H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS H02P25/00Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details

Current Industry

H02P25/24Variable impedance in stator or rotor circuit

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Rotary machine driving system and vehicle
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Methods and controllers for operation of electric motors
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- Oleksiy P. Sergyeyenko
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Output filter and motor drive system including the same
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Apparatus and method for increasing efficiency of electric motors
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Method and apparatus for reducing generated heat in three-phase mot...
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- John Kernkamp
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Asymmetric drive motor for a barrier operator or the like
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- The Chamberlain Group, Inc.
- James J. Fitzgibbon
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Asymmetric drive motor for a barrier operator or the like
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Line termination network assembly for an electric motor
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Current control system for an electric motor
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- Gene Tai
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Multi-voltage motor and timer clock
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- Carl L. C. Kah
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Fan motor control system
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Capacity-movement model AC inductive motor switch-changeover capaci...
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- Tai-Her Yang
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Remote speed controller for a motor
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- David Vincent
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Wiring construction of a control switch controlling a ceiling fan
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- Dick Y. Hsu
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Permanent split capacitor single phase electric motor system
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- Herbert S. Kirschbaum
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Speed control system and method for electric motor
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- Roger W. Holston
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Multiple position power switch
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- Silent Running Corporation
- James R. Hannas
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Washing machine motor control system
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- Linear International
- Claude M. Brimer
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Alternating current motor with adjustable output torque by means of...
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- Issue date Feb 26, 1980
- Kreso Mikulic
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3075133
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2732522
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- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

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ROTARY MACHINE DRIVING SYSTEM AND VEHICLE
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ROTARY MACHINE CONTROLLER, REFRIGERANT COMPRESSOR, REFRIGERATION CY...
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INFRARED INTELLIGENT CONSTANT-TEMPERATURE ELECTRIC BLOWER
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MOTOR CONTROLLER SYSTEM AND METHOD FOR MAXIMIZING ENERGY SAVINGS
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- Paul H. Kelley
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Apparatus and method for controlling operation of compressor
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- LG ELECTRONICS INC.
- Eon Pyo Hong
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Asymmetric drive motor for a barrier operator or the like
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- The Chamberlain Group, Inc.
- James J. Fitzgibbon
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Asymmetric drive motor for a barrier operator or the like
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- The Chamberlain Group, Inc.
- James J. Fitzgibbon
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Asymmetric drive motor for a barrier operator or the like
- Publication number 20030178957
- Publication date Sep 25, 2003
- The Chamberlain Group, Inc.
- James J. Fitzgibbon
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Variable impedance in stator or rotor circuit

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Rotary machine driving system and vehicle

Rotary machine controller, refrigerant compressor, refrigeration cy...

Power conversion device for controlling discharge of a capacitor

Infrared intelligent constant-temperature electric blower

Methods and controllers for operation of electric motors

Handheld power tool with compact AC switch

Flow control actuator

Electric generator arrangement and method for reducing a rotor ecce...

Drive system for a ball mill and method for operating a ball mill

Motor controller system and method for maximizing energy savings

Output filter and motor drive system including the same

Electric vehicle drive apparatus

Apparatus and method for increasing efficiency of electric motors

Method and apparatus for reducing generated heat in three-phase mot...

Asymmetric drive motor for a barrier operator or the like

Asymmetric drive motor for a barrier operator or the like

Line termination network assembly for an electric motor

Current control system for an electric motor

Multi-voltage motor and timer clock

Fan motor control system

Capacity-movement model AC inductive motor switch-changeover capaci...

Remote speed controller for a motor

Wiring construction of a control switch controlling a ceiling fan

Permanent split capacitor single phase electric motor system

Speed control system and method for electric motor

Multiple position power switch

Washing machine motor control system

Alternating current motor with adjustable output torque by means of...

3075133

2732522

Patents Applicationslast 30 patents

METHOD FOR ADJUSTING AN OPERATIONAL PERFORMANCE OF AN ELECTRIC MACH...

ROTARY MACHINE DRIVING SYSTEM AND VEHICLE

ROTARY MACHINE CONTROLLER, REFRIGERANT COMPRESSOR, REFRIGERATION CY...

POWER CONVERSION DEVICE

INFRARED INTELLIGENT CONSTANT-TEMPERATURE ELECTRIC BLOWER

HANDHELD POWER TOOL WITH COMPACT AC SWITCH

MOTOR CONTROLLER SYSTEM AND METHOD FOR MAXIMIZING ENERGY SAVINGS

DRIVE SYSTEM FOR A BALL MILL AND METHOD FOR OPERATING A BALL MILL

Flow control actuator

CONTROL DEVICE OF A DRIVING APPARATUS

OUTPUT FILTER AND MOTOR DRIVE SYSTEM INCLUDING THE SAME

MOTOR CONTROLLER SYSTEM AND METHOD FOR MAXIMIZING ENERGY SAVINGS

MOTOR CONTROLLER SYSTEM AND METHOD FOR MAXIMIZING ENERGY SAVINGS

Electric vehicle drive apparatus

Apparatus and Method for Increasing Efficiency of Electric Motors

Apparatus and method for controlling operation of compressor

Asymmetric drive motor for a barrier operator or the like

Asymmetric drive motor for a barrier operator or the like

Asymmetric drive motor for a barrier operator or the like