Patents Assigned to Klifa-Fahrzeugteile GmbH + Co.
  • Patent number: 4827589
    Abstract: A method for the manufacture of a closed plastic pump rotor is described. The mold comprises two outer casting mold shells and an intermediate core, whose shaping determines the shape of the guide vanes and flow channels of the rotor. The core is made from a material, whose melting point is below that of the plastic to be cast. The core is melted following the curing of the plastic.
    Type: Grant
    Filed: September 22, 1987
    Date of Patent: May 9, 1989
    Assignee: Klifa Fahrzeugteile GmbH & Co.
    Inventor: K. Gerd Friedrichs
  • Patent number: 4826468
    Abstract: The chain tensioner has an arcuate curved bow with a correspondingly shaped, perforated sheet metal part extending over its entire length and which has a U-shaped cross-section. A plastics material layer is injection moulded all around said sheet metal part. A swivel bearing is located at one end, while at the other end a support part is provided, on which the bow is pressed against the chain running externally on a sliding surface.
    Type: Grant
    Filed: November 18, 1987
    Date of Patent: May 2, 1989
    Assignee: Klifa Fahrzeugteile GmbH & Co.
    Inventor: Karl G. Friedrichs
  • Patent number: 4762465
    Abstract: The water pump impeller comprises a boss with a disk part shaped thereon and a circular or paraboloid transition region is provided between the boss and the disk part. A metal reinforcing disk is embedded round on either side by injection moulding in the disk part, including the transition region. The reinforcing disk has as a component of the boss, a boss part with which it can be mounted on a drive shaft.
    Type: Grant
    Filed: February 17, 1987
    Date of Patent: August 9, 1988
    Assignee: Klifa-Fahrzeugteile GmbH + Co.
    Inventor: K. Gerd Friedrichs