Patents Assigned to Sven-Erik Ahl
  • Means for conveying a mixture of products having different density
    Patent number: 4457648
    Abstract: A transport pipe for a compressed-air conveying of a homogeneous mixture, the pipe including a nozzle on the outlet end of the pipe for discharge of the mixture into a storage container. The nozzle comprises a throughflow opening for passage of the mixture therethrough, and lateral openings for the discharge of compressed air into a mixture-confining sheath of compressed air about the mixture.
    Type: Grant
    Filed: November 9, 1981
    Date of Patent: July 3, 1984
    Assignee: Sven-Erik Ahl
    Inventor: Karl-Axel G. Pettersson