3881578

Information

• Patent Grant
• 3881578

• References
• Source

• Patent Number

  3,881,578

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1975
  49 years ago

• CPC

  • H02K49/04 - of the eddy-current hysteresis type
  • B60T13/748 - acting on electro-magnetic brakes
  • B61C15/00 - Maintaining or augmenting the starting or braking power by auxiliary devices and measures Preventing wheel slippage Controlling distribution of tractive effort between driving wheels
  • B61H5/00 - Applications or arrangements of brakes with substantially radial braking surfaces pressed together in axial direction
  • B61H7/00 - Brakes with braking members co-operating with the track
  • B61H7/08 - electromagnetically operated
  • B61H11/14 - Combinations of different types of brakes
  • H01F7/064 - Circuit arrangements for actuating electromagnets
  • B60L2200/26 - Rail vehicles
  • H01F2029/143 - with control winding for generating magnetic bias
  • Y02T10/641 - characterised by aspects of the electric machine
  • Y02T30/10 - Energy recovery technologies concerning the propulsion system in locomotives or motor railcars

• US Classifications

  • 188 - Brakes