3221761

Information

• Patent Grant
• 3221761

• References
• Source

• Patent Number

  3,221,761

• Date Filed

  Not available

• Date Issued

  Tuesday, December 7, 1965
  59 years ago

• CPC

  • F24F11/04 - solely for controlling the rate of air-flow
  • F15C4/00 - Circuit elements characterised by their special functions
  • G05D16/0661 - characterised by the loading mechanisms of the membrane
  • Y10T137/2278 - Pressure modulating relays or followers
  • Y10T137/7756 - Reactor surface separated from flow by apertured partition
  • Y10T137/8659 - Variable orifice-type modulator

• US Classifications

  • 137 - Fluid handling
  • 092 - Expansible chamber devices