Patents Assigned to Am-Metric Seal, Inc.
  • Mechanical rotary seal
    Patent number: 6568686
    Abstract: A mechanical rotary seal that produces a positive drive force so that all components of the seal rotate in unison upon a rotating shaft. The mechanical rotating seal effects a tight fluid seal between a submersible pump housing and a rotating shaft when the mechanical rotary seal is engaged with a stationary seal or element within the submersible pump housing. The mechanical rotary seal comprises a seal housing, a retainer having a seal face for engaging with the stationery seal and a coil spring between the seal housing and the retainer.
    Type: Grant
    Filed: December 5, 2000
    Date of Patent: May 27, 2003
    Assignee: Am-Metric Seal, Inc.
    Inventor: Keith Hadley