2989034

Information

• Patent Grant
• 2989034

• References
• Source

• Patent Number

  2,989,034

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1961
  63 years ago

• CPC

  • G05D23/126 - using a capillary tube
  • G05B11/48 - with auxiliary power
  • G05D3/12 - using feedback
  • Y10S236/01 - Adjustable lever
  • Y10T137/2278 - Pressure modulating relays or followers
  • Y10T137/2409 - With counter-balancing pressure feedback to the modulating device

• US Classifications

  • 091 - Motors: expansible chamber type
  • 092 - Expansible chamber devices
  • 137 - Fluid handling
  • 236 - Automatic temperature and humidity regulation