1211802

Information

• Patent Grant
• 1211802

• References
• Source

• Patent Number

  1,211,802

• Date Filed

  Not available

• Date Issued

  Tuesday, January 9, 1917
  108 years ago

• CPC

  • H02J7/20 - due to variation of continuously variable ohmic resistor
  • Y10S388/905 - Armature and field windings connected in series
  • Y10S388/934 - Thermal condition

• US Classifications

  • 320 - Electricity: battery or capacitor charging or discharging
  • 307 - Electrical transmission or interconnection systems
  • 318 - Electricity: motive power systems
  • 322 - Electricity: single generator systems
  • 388 - Electricity: motor control systems