2891576

Information

• Patent Grant
• 2891576

• References
• Source

• Patent Number

  2,891,576

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1959
  65 years ago

• CPC

  • F24F3/0522 - in which warm or cold air from the central station is delivered via individual pipes to mixing chambers in the space to be treated, the cold air/warm air ratio being controlled by a thermostat in the space concerned
  • Y10T137/86718 - Dividing into parallel flow paths with recombining
  • Y10T137/87434 - Valves deform to close passage
  • Y10T137/87491 - Mechanical movement between actuator and non-rotary valve
  • Y10T137/87692 - With common valve operator
  • Y10T137/87917 - Flow path with serial valves and/or closures

• US Classifications

  • 137 - Fluid handling
  • 236 - Automatic temperature and humidity regulation
  • 251 - Valves and valve actuation
  • 454 - Ventilation