Patents by Inventor Donald Edward Wroblewski

Donald Edward Wroblewski 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).

  • Feedback enhanced plasma spray tool
    Patent number: 7952047
    Abstract: An improved automatic feedback control scheme enhances plasma spraying of powdered material through reduction of process variability and providing better ability to engineer coating structure. The present inventors discovered that controlling centroid position of the spatial distribution along with other output parameters, such as particle temperature, particle velocity, and molten mass flux rate, vastly increases control over the sprayed coating structure, including vertical and horizontal cracks, voids, and porosity. It also allows improved control over graded layers or compositionally varying layers of material, reduces variations, including variation in coating thickness, and allows increasing deposition rate. Various measurement and system control schemes are provided.
    Type: Grant
    Filed: August 8, 2005
    Date of Patent: May 31, 2011
    Assignee: Cyber Materials LLC
    Inventors: Michael Alan Gevelber, Donald Edward Wroblewski
  • Feedback enhanced plasma spray tool
    Patent number: 6967304
    Abstract: An improved automatic feedback control scheme enhances plasma spraying of powdered material through reduction of process variability and providing better ability to engineer coating structure. The present inventors discovered that controlling centroid position of the spatial distribution along with other output parameters, such as particle temperature, particle velocity, and molten mass flux rate, vastly increases control over the sprayed coating structure, including vertical and horizontal cracks, voids, and porosity. It also allows improved control over graded layers or compositionally varying layers of material, reduces variations, including variation in coating thickness, and allows increasing deposition rate. Various measurement and system control schemes are provided.
    Type: Grant
    Filed: April 26, 2003
    Date of Patent: November 22, 2005
    Assignee: Cyber Materials LLC
    Inventors: Michael Alan Gevelber, Donald Edward Wroblewski, James Russell Fincke, William David Swank, Delon C. Haggard, Randy Lee Bewley
  • Feedback enhanced plasma spray tool
    Publication number: 20040031776
    Abstract: An improved automatic feedback control scheme enhances plasma spraying of powdered material through reduction of process variability and providing better ability to engineer coating structure. The present inventors discovered that controlling centroid position of the spatial distribution along with other output parameters, such as particle temperature, particle velocity, and molten mass flux rate, vastly increases control over the sprayed coating structure, including vertical and horizontal cracks, voids, and porosity. It also allows improved control over graded layers or compositionally varying layers of material, reduces variations, including variation in coating thickness, and allows increasing deposition rate. Various measurement and system control schemes are provided.
    Type: Application
    Filed: April 26, 2003
    Publication date: February 19, 2004
    Inventors: Michael Alan Gevelber, Donald Edward Wroblewski, James Russell Fincke, William David Swank, Delon C. Haggard, Randy Lee Bewley