Patents by Inventor Jayavenkateshwaran Krishnamoorthy

Jayavenkateshwaran Krishnamoorthy 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 variable-vane cartridge with nozzle ring and pipe secured by two-piece self-centering spacers
    Patent number: 10087774
    Abstract: A variable-nozzle turbocharger includes a variable vane mechanism that has an annular nozzle ring supporting an array of rotatable vanes, an insert having a tubular portion sealingly received into a bore of the turbine housing and having a nozzle portion extending radially out from one end of the tubular portion and being axially spaced from the nozzle ring with the vanes therebetween, and a plurality of two-piece self-centering spacer assemblies connected between the nozzle portion of the insert and the nozzle ring. Each spacer assembly comprises a tubular sleeve and a separate pin that passes through the through-passage of the sleeve, end portions of the pin being secured respectively to the nozzle ring and the nozzle portion. One end of each sleeve has a conical surface and engages in a corresponding conical countersink in the adjacent face of the nozzle ring or nozzle portion.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: October 2, 2018
    Assignee: Honeywell International Inc.
    Inventors: Pierre Barthelet, Nicolas Morand, Emmanuel Severin, Calogero Beltrami, Vincent Eumont, Francis Abel, Arnaud Gerard, Aurelien Tingaud, Jayavenkateshwaran Krishnamoorthy
  • Turbocharger Variable-Vane Cartridge With Nozzle Ring and Pipe Secured By Two-Piece Self-Centering Spacers
    Publication number: 20160090858
    Abstract: A variable-nozzle turbocharger includes a variable vane mechanism that has an annular nozzle ring supporting an array of rotatable vanes, an insert having a tubular portion sealingly received into a bore of the turbine housing and having a nozzle portion extending radially out from one end of the tubular portion and being axially spaced from the nozzle ring with the vanes therebetween, and a plurality of two-piece self-centering spacer assemblies connected between the nozzle portion of the insert and the nozzle ring. Each spacer assembly comprises a tubular sleeve and a separate pin that passes through the through-passage of the sleeve, end portions of the pin being secured respectively to the nozzle ring and the nozzle portion. One end of each sleeve has a conical surface and engages in a corresponding conical countersink in the adjacent face of the nozzle ring or nozzle portion.
    Type: Application
    Filed: September 29, 2014
    Publication date: March 31, 2016
    Inventors: Pierre Barthelet, Nicolas Morand, Emmanuel Severin, Calogero Beltrami, Vincent Eumont, Francis Abel, Arnaud Gerard, Aurelien Tingaud, Jayavenkateshwaran Krishnamoorthy