2976845

Information

• Patent Grant
• 2976845

• References
• Source

• Patent Number

  2,976,845

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1961
  63 years ago

• CPC

  • F15B11/076 - with pneumatic drive or displacement and speed control or stopping by hydraulic braking
  • F15B2211/30525 - Directional control valves
  • F15B2211/329 - actuated by fluid pressure
  • F15B2211/40515 - with variable throttles or orifices
  • F15B2211/411 - the positions being discrete
  • F15B2211/423 - manually
  • F15B2211/45 - Control of bleed-off flow
  • F15B2211/7055 - having more than two chambers
  • F15B2211/7725 - with automatic reciprocation
  • F15B2211/8855 - Compressible fluids

• US Classifications

  • 060 - Power plants
  • 091 - Motors: expansible chamber type
  • 092 - Expansible chamber devices