Classifications

• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
  • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
  • H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
  • H02P25/10—Commutator motors, e.g. repulsion motors
  • H02P25/14—Universal motors
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01C—RESISTORS
  • H01C10/00—Adjustable resistors
  • H01C10/50—Adjustable resistors structurally combined with switching arrangements
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
  • H01H9/02—Bases, casings, or covers
  • H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
  • H01H9/02—Bases, casings, or covers
  • H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
  • H01H9/061—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner enclosing a continuously variable impedance
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
  • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
  • H02P23/28—Controlling the motor by varying the switching frequency of switches connected to a DC supply and the motor phases

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Control Of Direct Current Motors (AREA)
• Adjustable Resistors (AREA)
• Portable Power Tools In General (AREA)
• Control Of Ac Motors In General (AREA)
• Drilling And Boring (AREA)
• Portable Nailing Machines And Staplers (AREA)
• Basic Packing Technique (AREA)
• Mechanical Control Devices (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=22866028

Family Applications (1)

Country Status (10)

Families Citing this family (2)

Family Cites Families (10)

• 1973
  • 1973-02-15 CA CA164,137A patent/CA973942A/en not_active Expired
  • 1973-02-16 CH CH229673A patent/CH579332A5/xx not_active IP Right Cessation
  • 1973-02-16 AU AU52267/73A patent/AU476253B2/en not_active Expired
  • 1973-02-20 GB GB831773A patent/GB1417737A/en not_active Expired
  • 1973-02-27 DE DE2309783A patent/DE2309783C2/en not_active Expired
  • 1973-02-27 IT IT48487/73A patent/IT977536B/en active
  • 1973-02-28 FR FR7307100A patent/FR2174155B1/fr not_active Expired
  • 1973-02-28 NL NL7302787A patent/NL7302787A/xx not_active Application Discontinuation
  • 1973-03-01 JP JP48023798A patent/JPS4899781A/ja active Pending
  • 1973-03-01 ES ES412197A patent/ES412197A1/en not_active Expired

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