Patents by Inventor Joseph KRAWIEC

Joseph KRAWIEC 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).

  • Coal nozzle assembly for a steam generation apparatus
    Patent number: 11326774
    Abstract: A steam generating system includes a nozzle assembly for pulverized coal and air, the coal nozzle assembly comprises an inner housing (3) for conveying primary air and coal and an outer housing (5) for conveying secondary air to an exit face (13) of a nozzle tip (1), wherein the outer housing (3) and the inner housing (5) are arranged coaxially and limit a channel (15) for the secondary air, wherein the cross-sectional area (AIH) of the inner housing (3) increases towards the exit face (13) of the nozzle tip (1), wherein the cross-sectional area (AOH) of the outer housing (5) decreases towards the exit face (13), and wherein bars (11) are located in the inner housing (3) near the exit face (13) that accelerate the velocity of the primary air and coal particles.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: May 10, 2022
    Assignee: GENERAL ELECTRIC TECHNOLOGY GMBH
    Inventors: Michael Sapanaro, Frederic Vitse, Rachel Ladue, Joseph Krawiec
  • COAL NOZZLE ASSEMBLY FOR A STEAM GENERATION APPARATUS
    Publication number: 20200158331
    Abstract: A steam generating system includes a nozzle assembly for pulverized coal and air, the coal nozzle assembly comprises an inner housing (3) for conveying primary air and coal and an outer housing (5) for conveying secondary air to an exit face (13) of a nozzle tip (1), wherein the outer housing (3) and the inner housing (5) are arranged coaxially and limit a channel (15) for the secondary air, wherein the cross-sectional area (AIH) of the inner housing (3) increases towards the exit face (13) of the nozzle tip (1), wherein the cross-sectional area (AOH) of the outer housing (5) decreases towards the exit face (13), and wherein bars (11) are located in the inner housing (3) near the exit face (13) that accelerate the velocity of the primary air and coal particles.
    Type: Application
    Filed: July 26, 2018
    Publication date: May 21, 2020
    Inventors: Michael SAPANARO, Frederic VITSE, Rachel LADUE, Joseph KRAWIEC