Patents by Inventor Steven C. Eberly

Steven C. Eberly has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5609232
    Abstract: An improved electromagnetic clutch is provided with a permanent magnetic return mechanism. The clutch includes a rotor connected to a driven device, such as a refrigerant compressor, a flywheel connected to a driving device such as an internal combustion engine, and a contact plate assembly for transmitting torque between the flywheel and the rotor when moved from a disengagement to an engagement position by an electromagnet. Permanent magnet assemblies are used to bias the contact plate assembly into a non-engagement position when the electromagnet is deactuated. The use of permanent magnets in lieu of resilient mechanical components such as springs to bias the contact plate assembly into a return position substantially extends the service life of the clutch when it is used in conjunction with a prime mover such as a diesel engine, whose output is accompanied by momentary spikes of high torque.
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: March 11, 1997
    Assignee: Thermo King Corporation
    Inventors: Jerry A. Brownfield, Lowell M. Anderson, Steven C. Eberly
  • Patent number: D349102
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: July 26, 1994
    Assignee: Thermo King Corporation
    Inventors: David B. Ziegler, Steven C. Eberly, Darrel J. Hokanson, Peter B. Allard