Patents Assigned to Sealed Power Technologies
  • Oil ring assembly
    Patent number: 5238255
    Abstract: An oil ring assembly comprising a pair of split rails and a piston ring spacer/expander on which said rails are mounted. Each rail is provided with a radially inwardly extending protrusion that lies substantially entirely within the thickness of the rail. The protrusion extends into and engages the spacer expander to limit the circumferential movement of the rail relative to the spacer/expander.
    Type: Grant
    Filed: February 11, 1992
    Date of Patent: August 24, 1993
    Assignee: Sealed Power Technologies
    Inventor: Steven J. Sytsma