3457837

Information

• Patent Grant
• 3457837

• References
• Source

• Patent Number

  3,457,837

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1969
  56 years ago

• CPC

  • F15B15/068 - the motor being of the helical type
  • B66D1/08 - incorporating fluid motors
  • B66D3/18 - Power-operated hoists
  • F15B11/06 - involving features specific to the use of a compressible medium
  • F16H39/01 - Pneumatic gearing Gearing working with sub-atmospheric pressure
  • B66D2700/0133 - Fluid actuated
  • B66D2700/026 - Pulleys, sheaves, pulley blocks or their mounting
  • F15B2211/40515 - with variable throttles or orifices
  • F15B2211/428 - actuated by fluid pressure
  • F15B2211/615 - Filtering means
  • F15B2211/6355 - having valve means
  • F15B2211/8633 - Pressure source supply failure
  • F15B2211/875 - Control measures for coping with failures
  • F15B2211/8855 - Compressible fluids
  • Y10T137/2409 - With counter-balancing pressure feedback to the modulating device
  • Y10T137/2607 - With pressure reducing inlet valve
  • Y10T137/261 - Relief port through common sensing means

• US Classifications

  • 091 - Motors: expansible chamber type
  • 137 - Fluid handling
  • 254 - Implements or apparatus for applying pushing or pulling force