3809933

Information

• Patent Grant
• 3809933

• References
• Source

• Patent Number

  3,809,933

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1974
  50 years ago

• CPC

  • H02K9/20 - wherein the cooling medium vaporises within the machine casing
  • H02K55/04 - with rotating field windings
  • Y02E40/625 - with a superconducting rotor
  • Y10S174/21 - Rotor
  • Y10S174/32 - having means for cooling

• US Classifications

  • 310 - Electrical generator or motor structure
  • 174 - Electricity: conductors and insulators