Patents by Inventor Vishal Jariwala

Vishal Jariwala 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).

  • Methods and mechanisms for surge avoidance in multi-stage centrifugal compressors
    Patent number: 11255338
    Abstract: A turbomachine includes a casing having an inlet end opposite an outlet end along a longitudinal axis of the casing; a shaft assembly provided within the casing, the shaft assembly extending from the inlet end to the outlet end; a plurality of rotating impellers extending radially outward from the shaft assembly; and a communication channel defined between two adjacent impellers to permit a backflow of fluid from a diffuser channel of a downstream impeller to a return channel of an adjacent upstream impeller.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: February 22, 2022
    Assignee: Elliott Company
    Inventors: Klaus Brun, Vishal Jariwala
  • Methods and Mechanisms for Surge Avoidance in Multi-Stage Centrifugal Compressors
    Publication number: 20210102546
    Abstract: A turbomachine includes a casing having an inlet end opposite an outlet end along a longitudinal axis of the casing; a shaft assembly provided within the casing, the shaft assembly extending from the inlet end to the outlet end; a plurality of rotating impellers extending radially outward from the shaft assembly; and a communication channel defined between two adjacent impellers to permit a backflow of fluid from a diffuser channel of a downstream impeller to a return channel of an adjacent upstream impeller.
    Type: Application
    Filed: August 19, 2020
    Publication date: April 8, 2021
    Inventors: Klaus Brun, Vishal Jariwala
  • Extended sculpted twisted return channel vane arrangement
    Patent number: 10760587
    Abstract: A turbomachine including a housing having an inlet end opposite and outlet end along a longitudinal axis of the housing, a shaft assembly provided within the housing, the shaft assembly extending from the inlet end to the outlet end, a rotor having at least one rotating impeller extending radially outward from the shaft assembly, and a return channel vane hub extending radially outward from the shaft assembly, the return channel vane hub includes at least one return channel vane extend therefrom, the at least one return channel vane comprising a body having a leading edge and a trailing edge, the leading edge is twisted and extended past an outer edge of the return channel vane hub, and the trailing edge is bowed outwardly.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: September 1, 2020
    Assignee: Elliott Company
    Inventors: Louis M. Larosiliere, Vishal Jariwala
  • Extended Sculpted Twisted Return Channel Vane Arrangement
    Publication number: 20180347584
    Abstract: A turbomachine including a housing having an inlet end opposite and outlet end along a longitudinal axis of the housing, a shaft assembly provided within the housing, the shaft assembly extending from the inlet end to the outlet end, a rotor having at least one rotating impeller extending radially outward from the shaft assembly, and a return channel vane hub extending radially outward from the shaft assembly, the return channel vane hub includes at least one return channel vane extend therefrom, the at least one return channel vane comprising a body having a leading edge and a trailing edge, the leading edge is twisted and extended past an outer edge of the return channel vane hub, and the trailing edge is bowed outwardly.
    Type: Application
    Filed: June 6, 2017
    Publication date: December 6, 2018
    Inventors: Louis M. Larosiliere, Vishal Jariwala