Patents by Inventor Giri Prakash Devalapally

Giri Prakash Devalapally 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).

  • Duplex bearing lubrication
    Patent number: 9464669
    Abstract: A bearing system has first and second bearings each having an inner race. The inner races are mounted to a shaft. The first bearing inner race has a plurality of first ports. The second bearing inner race has a plurality of second ports. The shaft is insertable into the inner races in a plurality of orientations and has a plurality of outer diameter (OD) channels positioned to cooperate with at least the first bearing inner race to communicate with at least some of the first ports and at least some of the second ports. Regardless of said installed orientation, at least one of the second ports are in communication with at least one said inlet port along a flowpath bypassing all the first ports.
    Type: Grant
    Filed: October 8, 2012
    Date of Patent: October 11, 2016
    Assignee: United Technologies Corporation
    Inventors: Donald L. Kerr, Eric A. Nager, Giri Prakash Devalapally
  • Duplex Bearing Lubrication
    Publication number: 20140099199
    Abstract: A bearing system has first and second bearings each having an inner race. The inner races are mounted to a shaft. The first bearing inner race has a plurality of first ports. The second bearing inner race has a plurality of second ports. The shaft is insertable into the inner races in a plurality of orientations and has a plurality of outer diameter (OD) channels positioned to cooperate with at least the first bearing inner race to communicate with at least some of the first ports and at least some of the second ports. Regardless of said installed orientation, at least one of the second ports are in communication with at least one said inlet port along a flowpath bypassing all the first ports.
    Type: Application
    Filed: October 8, 2012
    Publication date: April 10, 2014
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: Donald L. Kerr, Eric A. Nager, Giri Prakash Devalapally