2871869

Information

• Patent Grant
• 2871869

• References
• Source

• Patent Number

  2,871,869

• Date Filed

  Not available

• Date Issued

  Tuesday, February 3, 1959
  66 years ago

• CPC

  • G05B19/066 - for delivering "step function", a slope function or a continuous function
  • G05B11/42 - for obtaining a characteristic which is both proportional and time-dependent
  • G05B19/075 - for delivering a step function, a slope or a continuous function
  • Y10T137/2278 - Pressure modulating relays or followers
  • Y10T137/2409 - With counter-balancing pressure feedback to the modulating device

• US Classifications

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