3821626

Information

• Patent Grant
• 3821626

• References
• Source

• Patent Number

  3,821,626

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  50 years ago

• CPC

  • H01M8/04559 - of fuel cell stacks
  • H01M8/04567 - of auxiliary devices
  • H01M8/04955 - Shut-off or shut-down of fuel cells
  • H01M16/006 - of fuel cells with rechargeable batteries
  • H02J3/38 - Arrangements for parallely feeding a single network by two or more generators, converters or transformers
  • H02J7/34 - Parallel operation in networks using both storage and other dc sources
  • H02J9/061 - characterised by the use of electronic means
  • Y02B90/14 - Emergency, uninterruptible or back-up power supplies integrating fuel cells
  • Y02E60/50 - Fuel cells
  • Y10S320/14 - Battery acts as buffer
  • Y10T307/625 - Storage battery or accumulator

• US Classifications

  • 320 - Electricity: battery or capacitor charging or discharging
  • 307 - Electrical transmission or interconnection systems