×

AIR EXCHANGING AND CONDITIONING DEVICE

  • US 3,601,184 A
  • Filed: 06/05/1969
  • Issued: 08/24/1971
  • Est. Priority Date: 06/05/1969
  • Status: Expired due to Term
First Claim
Patent Images

1. An air exchanger comprising, a driven exhaust blower for exhausting a given volume of exhaust air from a given space, a driven intake blower for introducing a volume of intake air into said space equal to said given volume, drive means common to said exhaust blower and said intake blower driving both blowers at equal speeds simultaneously, means defining an exhaust duct for exhausting said exhaust air, means defining an intake duct coaxial with the exhaust duct for introducing intake air in a volume equal to the volume of air exhausted, said intake duct comprising an annular portion disposed circumferentially of the exhaust duct, and said exhaust duct and said intake duct having an equal volume, whereby the air pressure is maintained constant in said space.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×