3845991

Information

• Patent Grant
• 3845991

• References
• Source

• Patent Number

  3,845,991

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1974
  50 years ago

• CPC

  • B60L3/108 - whilst braking
  • B60L7/006 - Dynamic electric braking by reversing current
  • B60L7/26 - Controlling the braking effect
  • B60T8/1893 - especially adapted for railway vehicles
  • B60T8/3235 - Systems specially adapted for rail vehicles
  • B60T13/44 - with two-chamber booster units
  • B60T13/586 - the retarders being of the electric type
  • B60T13/665 - the systems being specially adapted for transferring two or more command signals
  • B60T13/74 - with electrical assistance or drive
  • B61H5/00 - Applications or arrangements of brakes with substantially radial braking surfaces pressed together in axial direction
  • F16D55/2245 - in which the common actuating member acts on two levers carrying the braking members
  • B60L2200/26 - Rail vehicles
  • B60L2240/30 - Parking brake position
  • F16D2125/026 - Pressure-to-pressure converters
  • Y02T10/646 - Number of electric drive machines
  • Y02T10/648 - Two electric drive machines

• US Classifications

  • 303 - Fluid-pressure and analogous brake systems