3904947

Information

• Patent Grant
• 3904947

• References
• Source

• Patent Number

  3,904,947

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1975
  49 years ago

• CPC

  • H02J7/027 - with safety or indicating device
  • B60L11/1805 - for vehicles propelled by dc-motors
  • B60L11/1818 - Adaptations of plugs or sockets for charging electric vehicles
  • B60L11/1824 - Details of charging stations
  • B60L11/1825 - Charging columns for electric vehicles
  • B60L11/185 - Fast charging
  • B60L11/1859 - Preventing deep discharging
  • B60L11/1862 - Target range for state of charge [SOC]
  • B60L2250/10 - by alarm
  • Y02T10/7005 - Batteries
  • Y02T10/7044 - Controlling the battery or capacitor state of charge
  • Y02T10/705 - Controlling vehicles with one battery or one capacitor only
  • Y02T10/7072 - Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
  • Y02T90/121 - by conductive energy transmission
  • Y02T90/128 - Energy exchange control or determination
  • Y02T90/14 - Plug-in electric vehicles
  • Y10S320/10 - Nonbattery load controls charging
  • Y10S320/30 - Plural transformers
  • Y10T307/675 - Differing voltages

• US Classifications

  • 320 - Electricity: battery or capacitor charging or discharging
  • 180 - Motor vehicles
  • 307 - Electrical transmission or interconnection systems
  • 318 - Electricity: motive power systems