Patents by Inventor Ahsan Choudhuri

Ahsan Choudhuri 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).

  • SWIRL-PINTLE INJECTOR FOR OXY-COAL COMBUSTOR
    Publication number: 20220349572
    Abstract: A swirl pintle coal slurry injector including a main body including at least one gas inlet; a pintle coupled to the main body, wherein the pintle comprises at least one coal slurry inlet and at least one slurry outlet, wherein the pintle defines a pintle axis; and a swirler coupled to the main body, wherein the swirler imparts to a gas from the at least one gas inlet of the main body a circular motion around the pintle axis, wherein the swirler surrounds the pintle axis and comprises a swirler number of approximately 1.2. The pintle can include a plurality of orifices of approximately 5 mm diameter.
    Type: Application
    Filed: April 29, 2022
    Publication date: November 3, 2022
    Inventors: Ahsan Choudhuri, Mehrin Chowdhury, Amzad Hossain, Nawshad Arslan Islam, Mohieminul Islam Khan, Ana C. Rios
  • Axial-flow pumps and related methods
    Patent number: 10066627
    Abstract: Miniature (mesoscale) axial-flow pumps including an inlet guide, a stator spaced apart from the inlet guide, and a rotor rotatably disposed between the inlet guide and the stator.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: September 4, 2018
    Assignee: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEMS
    Inventor: Ahsan Choudhuri
  • Axial-flow pumps and related methods
    Patent number: 9909588
    Abstract: Miniature (mesoscale) axial-flow pumps including an inlet guide, a stator spaced apart from the inlet guide, and a rotor rotatably disposed between the inlet guide and the stator.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: March 6, 2018
    Assignee: THE BOARD OF REGENTS OF THE UNIVERSITY OF TEXAS SYSTEM
    Inventor: Ahsan Choudhuri
  • AXIAL-FLOW PUMPS AND RELATED METHODS
    Publication number: 20160138596
    Abstract: Miniature (mesoscale) axial-flow pumps including an inlet guide, a stator spaced apart from the inlet guide, and a rotor rotatably disposed between the inlet guide and the stator.
    Type: Application
    Filed: November 17, 2015
    Publication date: May 19, 2016
    Inventor: Ahsan Choudhuri
  • Axial-Flow Pumps and Related Methods
    Publication number: 20120082543
    Abstract: Miniature (mesoscale) axial-flow pumps including an inlet guide, a stator spaced apart from the inlet guide, and a rotor rotatably disposed between the inlet guide and the stator.
    Type: Application
    Filed: July 29, 2011
    Publication date: April 5, 2012
    Inventor: Ahsan Choudhuri