Patents by Inventor William E. Donovan

William E. Donovan 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).

  • Publication number: 20150144308
    Abstract: A baffle assembly for a heat exchanger housing is provided. The baffle assembly further includes a plurality of baffles positioned within the heat exchanger housing. The plurality of baffles is provided in an offset arrangement with respect to each other. The plurality of baffles have a generally disc shape having a plurality of guides. The plurality of guides defines an aperture therein. The apertures are configured to receive one of a plurality of tubes therethrough. The baffle assembly also includes a retention assembly associated with the plurality of baffles for securely holding the plurality of tubes passing through the respective baffle therewithin. The retention assembly includes an adhesive provided between an interface of each tube of the plurality of tubes and each guide of the plurality of guides.
    Type: Application
    Filed: February 3, 2015
    Publication date: May 28, 2015
    Applicant: Caterpillar Inc.
    Inventors: William E. Donovan, Jordan S. Adkins, Derek J. Karpovich
  • Patent number: 8517086
    Abstract: A heat exchanger having a tube bundle disposed within a housing with a resilient end structure disposed in compressed, plug-forming relation at least partially across the heat exchanging cavity. The resilient end structure includes one or more boundary segments extending between an internal wall of the housing and the perimeter of the tube bundle. The boundary segment includes a combination of materials having differing compression characteristics providing enhanced support to the boundary segments.
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: August 27, 2013
    Assignee: Caterpillar Inc.
    Inventors: Sunil I. Mathew, Dan J. Becker, Thomas J. Grabenstetter, Daniel A. Piterski, William E. Donovan, Stephen M. Bertrand
  • Publication number: 20090218081
    Abstract: A heat exchanger having a tube bundle disposed within a housing with a resilient end structure disposed in compressed, plug-forming relation at least partially across the heat exchanging cavity. The resilient end structure includes one or more boundary segments extending between an internal wall of the housing and the perimeter of the tube bundle. The boundary segment includes a combination of materials having differing compression characteristics providing enhanced support to the boundary segments.
    Type: Application
    Filed: February 13, 2009
    Publication date: September 3, 2009
    Applicant: Caterpillar Inc.
    Inventors: Sunil I. Mathew, Dan J. Becker, Thomas J. Grabenstetter, Daniel A. Piterski, William E. Donovan, Stephen M. Bertrand