Patents Assigned to Airtech Systems, Inc.
  • Waste heat recycling system
    Patent number: 4169321
    Abstract: A heat exchanger heats fresh air moving to a product dryer by running the fresh air around hot exhaust tubes which are discharging from the dryer. Detergent sprays may be positioned to direct cleaning fluid into the tubes. The fresh air is introduced into a pre-dryer through pipes having nozzles which are at 30.degree. angles to the product path.
    Type: Grant
    Filed: April 19, 1978
    Date of Patent: October 2, 1979
    Assignee: Airtech Systems, Inc.
    Inventor: John A. Nichols
  • Waste heat recycling system
    Patent number: 4132011
    Abstract: A heat exchanger heats fresh air moving to a product dryer by running the fresh air around hot exhaust tubes which are discharging from the dryer. Detergent sprays may be positioned to direct cleaning fluid into the tubes. The fresh air is introduced into a pre-dryer through pipes having nozzles which are at 30.degree. angles to the product path.
    Type: Grant
    Filed: June 16, 1976
    Date of Patent: January 2, 1979
    Assignee: Airtech Systems, Inc.
    Inventor: John A. Nichols