Patents by Inventor Bhawan Bhal Patel

Bhawan Bhal Patel 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: 7441409
    Abstract: A combustor wall louver for ducting a flow of compressed air through an inlet opening in the combustor wall from a source of compressed air outside the combustor where the louver is a circumferentially extending member, mounted to an interior surface of the combustor wall and covering the inlet opening with outlet openings fed by a channel in flow communication between each outlet opening and the inlet opening. Preferably, the circumferential member is made of arcuate segments of cast metal removably mounted to the interior surface of the combustor wall with threaded studs.
    Type: Grant
    Filed: September 15, 2005
    Date of Patent: October 28, 2008
    Assignee: Pratt & Whitney Canada Corp.
    Inventors: Bhawan Bhal Patel, Parthasarathy Sampath, Jason Araan Fish
  • Patent number: 7350358
    Abstract: A gas turbine engine comprising an annular reverse-flow combustor having a sheet metal combustor wall between a long exit duct portion and a small exit duct portion of the combustor. An exit duct portion of the combustor forms a sliding joint with a downstream turbine vane assembly and has at least two discrete sheet metal walls fastened to the sheet metal combustor wall at a common intersection region.
    Type: Grant
    Filed: November 16, 2004
    Date of Patent: April 1, 2008
    Assignee: Pratt & Whitney Canada Corp.
    Inventors: Bhawan Bhal Patel, Lorin Markarian
  • Patent number: 7140189
    Abstract: A simplified floating collar is provided comprising an collar with opposed flanges. The arrangement offers reduced cost, and simplicity, and therefore facilitates manufacturing.
    Type: Grant
    Filed: August 24, 2004
    Date of Patent: November 28, 2006
    Assignee: Pratt & Whitney Canada Corp.
    Inventors: Lorin Markarian, Bhawan Bhal Patel
  • Publication number: 20040159106
    Abstract: A method of making a gas turbine engine combustor using the steps of: providing a combustor; providing a circumferentially extending louver member for ducting a flow of compressed air through at least one inlet opening in a combustor wall from a source of compressed air outside the combustor; and mounting the louver member in a non-destructive manner for releasable connection and disconnection to an interior surface of the combustor wall and at least partially covering the at least one inlet opening, the louver having a number of outlet openings in flow communication with an inlet opening.
    Type: Application
    Filed: February 12, 2004
    Publication date: August 19, 2004
    Inventors: Bhawan Bhal Patel, Parthasarathy Sampath, Jason Araan Fish