Patents by Inventor Stephen A. Hoynacki

Stephen A. Hoynacki 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: 5513700
    Abstract: A plate-fin heat exchanger 10 is disclosed including a plurality of flat tubes 14 interleaved with a plurality of fin members 16. The flat tubes 14 are formed from a plurality of plate members 12. The heat exchanger 10 also includes a plurality of fin members 16 and a pair of fluid manifolds 22, 24. The manifolds 22, 24 are formed as one-piece members having a flange formed between the ends. The flange is brazed directly to the endsheet of the evaporator.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: May 7, 1996
    Assignee: Ford Motor Company
    Inventors: Allan J. Kleve, Jay D. Siegler, Thomas J. Nieman, Stephen A. Hoynacki
  • Patent number: 5503223
    Abstract: A heat exchanger including a core formed by a plurality of elongated plates joined together in pairs to define a series of passageways and a single tank. The tank has at least three separate fluid flow tunnels in fluid communication with the passageways to move fluid through the core. Each of the fluid flow tunnels includes an aperture extending through at least a portion of each of he tunnels. At least one of the fluid flow tunnels is offset from the others such that the centerline of the aperture associated with the offset tunnel lies outside a plane containing the centerline of the apertures through the other tunnels.
    Type: Grant
    Filed: April 10, 1995
    Date of Patent: April 2, 1996
    Assignee: Ford Motor Company
    Inventors: Benjamin J. Choi, Stephen A. Hoynacki, Allan J. Kleve, Corey P. Small, Jay D. Siegler