Patents by Inventor David Harnadek

David Harnadek 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).

  • Turbocharger with oil containment arrangement
    Patent number: 9822700
    Abstract: A turbocharger is provided including a turbine, a compressor and a bearing housing. A shaft is rotatably disposed within the bearing housing and extends into the turbine and the compressor. A bearing arrangement is disposed between the shaft and the bearing. The bearing arrangement includes a roller bearing formed between an outer bearing race element disposed in the bearing bore, and an inner bearing race element disposed in the outer bearing race element. A bearing retainer connected between the bearing housing and the compressor. An end portion of the bearing inner race element includes an integral oil slinger comprising a radially outward extending portion that slopes away from the shaft.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: November 21, 2017
    Assignee: Caterpillar Inc.
    Inventors: Richard E. Annati, David Harnadek
  • Turbocharger with Oil Containment Arrangement
    Publication number: 20160265426
    Abstract: A turbocharger is provided including a turbine, a compressor and a bearing housing. A shaft is rotatably disposed within the bearing housing and extends into the turbine and the compressor. A bearing arrangement is disposed between the shaft and the bearing. The bearing arrangement includes a roller bearing formed between an outer bearing race element disposed in the bearing bore, and an inner bearing race element disposed in the outer bearing race element. A bearing retainer connected between the bearing housing and the compressor. An end portion of the bearing inner race element includes an integral oil slinger comprising a radially outward extending portion that slopes away from the shaft.
    Type: Application
    Filed: March 9, 2015
    Publication date: September 15, 2016
    Applicant: CATERPILLAR INC.
    Inventors: Richard E. Annati, David Harnadek