2639103

Information

• Patent Grant
• 2639103

• References
• Source

• Patent Number

  2,639,103

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1953
  71 years ago

• CPC

  • E21F13/025 - Shuttle cars
  • B61C7/02 - Locomotives or motor railcars with pneumatic accumulators
  • Y02T30/14 - In locomotives or motor railcars with pneumatic accumulators
  • Y10T137/2605 - Pressure responsive
  • Y10T137/7766 - Choked passage through main valve head
  • Y10T137/85954 - Closed circulating system

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • 137 - Fluid handling
  • 464 - Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts