3131863

Information

• Patent Grant
• 3131863

• References
• Source

• Patent Number

  3,131,863

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1964
  61 years ago

• CPC

  • F15B9/00 - Servomotors with follow-up action, e.g. obtained by feed-back control
  • F15C4/00 - Circuit elements characterised by their special functions
  • F22B35/108 - Control systems for steam generators having multiple flow paths
  • G05B11/50 - in which the output signal represents a continuous function of the deviation from the desired value
  • G05D7/0635 - by action on throttling means
  • G05D23/27541 - using expansible solid
  • G05D27/02 - characterised by the use of electric means
  • Y10T137/2278 - Pressure modulating relays or followers

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 137 - Fluid handling
  • 165 - Heat exchange
  • 235 - Registers