3819113

Information

• Patent Grant
• 3819113

• References
• Source

• Patent Number

  3,819,113

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1974
  50 years ago

• CPC

  • G05D23/185 - with auxiliary non-electric power
  • G05B11/44 - pneumatic only
  • Y10T137/2409 - With counter-balancing pressure feedback to the modulating device

• US Classifications

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