Patents Assigned to Hanna Car Wash Systems International, LLC
  • Air dryer for use in a vehicle wash system
    Patent number: 6449877
    Abstract: An airflow control system of the present invention is positionable between an air producer and a duct exit. The airflow restricter includes an outer airflow restricter ring that has a central diameter. A pivot rod is rotatably positioned along the central diameter. An aerodynamic rotatable airfoil is secured about the pivot rod. The present invention also includes an airflow transition between the air producer having a first-shaped air producer exit and the duct having a second-shaped duct entrance.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: September 17, 2002
    Assignee: Hanna Car Wash Systems International, LLC
    Inventors: Dennis R. Cote, Daniel C. Hanna, Jr., Wayne E. Carlson, Ira William Wills