Patents Assigned to Sealed Power Technologies Limited Partnership
  • Patent number: 5320074
    Abstract: A direct acting hydraulic tappet including a one piece body shell having an outer cylinder, an inner cylinder and a plurality of integral axially extending webs that connect the outer cylinder and the inner cylinder. A cam face member is attached to one end of the body. An oil hole extends from the outer surface of the outer cylinder through one of the webs to an inner surface of the inner cylinder. The hydraulic lash compensating unit is positioned in the inner cylinder. The body shell is made from an extruded length of aluminum and is preferably coated with a Teflon impregnated anodized coating. The cam face is made of steel, cast iron or ceramic and is attached to the one end of the body shell by electromagnetic deformation or by the use of adhesive.
    Type: Grant
    Filed: June 17, 1993
    Date of Patent: June 14, 1994
    Assignee: Sealed Power Technologies Limited Partnership
    Inventors: Kraig D. Schultz, Timothy J. Fullmer, Robert C. Roos