3487767

Information

• Patent Grant
• 3487767

• References
• Source

• Patent Number

  3,487,767

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1970
  55 years ago

• CPC

  • F24F12/001 - with heat-exchange between supplied and exhausted air
  • A01K1/0058 - Construction of air inlets or outlets in roofs
  • F04D25/166 - using fans
  • F04D27/009 - by bleeding, by passing or recycling fluid
  • F24F7/025 - with forced air circulation by means of a built-in ventilator
  • F24F7/065 - fan combined with single duct; mounting arrangements of a fan in a duct
  • F24F2013/0616 - Outlets that have intake openings
  • Y02B30/563 - Air to air
  • Y02P60/54 - Environmental control in livestock or poultry housing
  • Y02P60/542 - using renewable energy

• US Classifications

  • 454 - Ventilation
  • 415 - Rotary kinetic fluid motors or pumps