Patents by Inventor Steven J. Bullied

Steven J. Bullied 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).

  • Turbine Blades and Manufacture Methods
    Publication number: 20190218919
    Abstract: A blade (60; 60-2) comprises an airfoil (61) and an attachment root (63). The blade has a tipward zone (80; 80-2; 80-2, 81) and a rootward zone (82; 82-2, 81; 82). The rootward zone has a single crystal structure. The tipward zone has a single crystal structure. The crystalline orientations of the rootward zone and tipward zone are at least 15° out of registry with each other.
    Type: Application
    Filed: March 22, 2019
    Publication date: July 18, 2019
    Applicant: United Technologies Corporation
    Inventors: John J. Marcin, JR., Steven J. Bullied, Dilip M. Shah, Alan D. Cetel
  • Cast components and manufacture and use methods
    Patent number: 10315241
    Abstract: A method comprises: providing a spiral metallic workpiece having a cast structure associated with such spiral; and at least partially flattening the workpiece.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: June 11, 2019
    Assignee: United Technologies Corporation
    Inventors: Dilip M. Shah, Alan D. Cetel, John J. Marcin, Jr., Steven J. Bullied, Carl R. Verner
  • Multi-Shot Casting
    Publication number: 20190168296
    Abstract: A casting mold has a pour cone, a downsprue, and a part-forming cavity having a lower end and an upper end. The downsprue extends from the pour cone toward the part-forming cavity and has: a lower portion having a plurality of ports in communication with the part-forming cavity; and an upper portion telescoping relative to the lower portion and coupling the lower portion to the pour cone.
    Type: Application
    Filed: February 5, 2019
    Publication date: June 6, 2019
    Applicant: United Technologies Corporation
    Inventors: Steven J. Bullied, Dilip M. Shah, Alan D. Cetel, John J. Marcin, JR.
  • Cast Components and Manufacture and Use Methods
    Publication number: 20190143392
    Abstract: A method comprises: providing a spiral metallic workpiece having a cast structure associated with such spiral; and at least partially flattening the workpiece.
    Type: Application
    Filed: January 11, 2019
    Publication date: May 16, 2019
    Applicant: United Technologies Corporation
    Inventors: Dilip M. Shah, Alan D. Cetel, John J. Marcin, JR., Steven J. Bullied, Carl R. Verner
  • Turbine blades and manufacture methods
    Patent number: 10287896
    Abstract: A blade (60; 60-2) comprises an airfoil (61) and an attachment root (63). The blade has a tipward zone (80; 80-2; 80-2, 81) and a rootward zone (82; 82-2, 81; 82). The rootward zone has a single crystal structure. The tipward zone has a single crystal structure. The crystalline orientations of the rootward zone and tipward zone are at least 15° out of registry with each other.
    Type: Grant
    Filed: August 13, 2014
    Date of Patent: May 14, 2019
    Assignee: United Technologies Corporation
    Inventors: John J. Marcin, Jr., Steven J. Bullied, Dilip M. Shah, Alan D. Cetel
  • Arcuate directionally solidified components and manufacture methods
    Patent number: 10265763
    Abstract: A method for casting comprising: providing a seed, the seed characterized by: an arcuate form and a crystalline orientation progressively varying along an arc of the form; providing molten material; and cooling and solidifying the molten material so that a crystalline structure of the seed propagates into the solidifying material.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: April 23, 2019
    Assignee: United Technologies Corporation
    Inventors: Dilip M. Shah, Paul D. Genereux, Alan D. Cetel, John J. Marcin, Jr., Steven J. Bullied, Mario P. Bochiechio, Kevin W. Schlichting, Bradford A. Cowles, Carl R. Verner, David U. Furrer, Venkatarama K. Seetharaman
  • Variable diameter investment casting mold for casting of reticulated metal foams
    Patent number: 10259036
    Abstract: A method to manufacture reticulated metal foam via a dual investment solid mold, includes pre-investing a precursor with a diluted pre-investment ceramic plaster to encapsulate the precursor; and investing the encapsulated precursor with a ceramic plaster within an mold of a varied cross-section. A varied cross-section mold includes a mold thickness adjacent to an outer periphery of a pattern at a top of the varied cross-section mold is between 200-500% a thickness between the outer periphery of the pattern at a base of the varied cross-section mold. A varied cross-section mold includes a trapezoidal prism shape with a pour cone in a top, the top larger than the base.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: April 16, 2019
    Assignee: United Technologies Corporation
    Inventors: Ryan C. Breneman, Steven J. Bullied, John F. Blondin, Ryan B. Noraas
  • Dual investment technique for solid mold casting of reticulated metal foams
    Patent number: 10252326
    Abstract: A method to manufacture reticulated metal foam via a dual investment solid mold, includes pre-investment of a precursor with a diluted pre-investment ceramic plaster then investing the encapsulated precursor with a ceramic plaster.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: April 9, 2019
    Assignee: United Technologies Corporation
    Inventors: Ryan B. Noraas, Steven J. Bullied, Mark F. Bartholomew
  • Arcuate Directionally Solidified Components and Manufacture Methods
    Publication number: 20190039128
    Abstract: A method for casting comprising: providing a seed, the seed characterized by: an arcuate form and a crystalline orientation progressively varying along an arc of the form; providing molten material; and cooling and solidifying the molten material so that a crystalline structure of the seed propagates into the solidifying material.
    Type: Application
    Filed: October 5, 2018
    Publication date: February 7, 2019
    Applicant: United Technologies Corporation
    Inventors: Dilip M. Shah, Paul D. Genereux, Alan D. Cetel, John J. Marcin, JR., Steven J. Bullied, Mario P. Bochiechio, Kevin W. Schlichting, Bradford A. Cowles, Carl R. Verner, David U. Furrer, Venkatarama K. Seetharaman
  • APPARATUS AND METHOD FOR INVESTMENT CASTING CORE MANUFACTURE
    Publication number: 20190015893
    Abstract: A method of producing an investment casting ceramic core is provided that includes: providing a core body consisting of a leachable material; surrounding the core body with a mold composition within a vessel, which mold composition is configured to solidify; leaching the core body from the mold composition subsequent to the mold composition solidifying, thereby leaving an internal cavity within the solidified mold composition; depositing a ceramic composition within the internal cavity of the solidified mold composition; sintering the ceramic composition to a solid ceramic core; and removing the solid ceramic core from the mold composition.
    Type: Application
    Filed: July 17, 2017
    Publication date: January 17, 2019
    Inventors: Ryan C. Breneman, Steven J. Bullied
  • Method for Casting Shell Dewaxing
    Publication number: 20190001400
    Abstract: In a method for removing a carbon-containing pattern material from a casting shell, a first step evaporates and pyrolizes the pattern material to leave carbon and a second step oxidizes the carbon.
    Type: Application
    Filed: June 28, 2017
    Publication date: January 3, 2019
    Applicant: United Technologies Corporation
    Inventors: Ryan C. Breneman, Steven J. Bullied
  • Casting apparatus and method for forming multi-textured, single crystal microstructure
    Patent number: 10150159
    Abstract: An investment casting apparatus includes a furnace having an opening, a mold support, and a multi-axis actuator connected with the mold support and configured to retract the mold support from the opening with multiple-axis motion. An investment casting method includes withdrawing, with multiple-axis motion, a mold through the opening of the furnace to solidify a molten metal- or metalloid-based material in the mold. The apparatus and method can be used to form a cast article that has a body formed of the metal- or metalloid-based material. The body has a multi-textured, single crystal microstructure.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: December 11, 2018
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Steven J. Bullied, David Ulrich Furrer, John Joseph Marcin, Venkatarama K. Seetharaman
  • OPEN-CELL RETICULATED FOAM
    Publication number: 20180318873
    Abstract: A foam for use in a lost-foam casting process utilized in the manufacture of a component for a gas turbine engine, the foam having a void fraction less than or equal to ninety five percent, is disclosed. The foam may include a first layer comprising polymer foam having an open-cell structure and a void fraction greater than ninety five percent. A second layer, comprising adhesive, may be adhered to the first layer. A third layer comprising particulate material may be adhered to the second layer.
    Type: Application
    Filed: July 17, 2018
    Publication date: November 8, 2018
    Inventors: Ryan B. Noraas, Steven J. Bullied
  • Casting Molds, Manufacture and Use Methods
    Publication number: 20180264546
    Abstract: A casting mold (260) comprises a shell (262) extending from a lower end (264) to an upper end (266) and having: an interior space (280) for casting metal; and an opening (268) for receiving metal to be cast. A plurality of thermocouples (900) are vertically-spaced from each other on the shell.
    Type: Application
    Filed: May 18, 2018
    Publication date: September 20, 2018
    Applicant: United Technologies Corporation
    Inventors: John J. Marcin, JR., Steven J. Bullied, Dilip M. Shah, Alan D. Cetel, Emily K. Kreek
  • Casting molds, manufacture and use methods
    Patent number: 10065239
    Abstract: A casting mold (260) comprises a shell (262) extending from a lower end (264) to an upper end (266) and having: an interior space (280) for casting metal; and an opening (268) for receiving metal to be cast. A plurality of thermocouples (900) are vertically-spaced from each other on the shell.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: September 4, 2018
    Assignee: United Technologies Corporation
    Inventors: John J. Marcin, Jr., Steven J. Bullied, Dilip M. Shah, Alan D. Cetel, Emily K. Kreek
  • Open-cell reticulated foam
    Patent number: 10035174
    Abstract: A foam for use in a lost-foam casting process utilized in the manufacture of a component for a gas turbine engine, the foam having a void fraction less than or equal to ninety five percent, is disclosed. The foam may include a first layer comprising polymer foam having an open-cell structure and a void fraction greater than ninety five percent. A second layer, comprising adhesive, may be adhered to the first layer. A third layer comprising particulate material may be adhered to the second layer.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: July 31, 2018
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Ryan B. Noraas, Steven J. Bullied
  • Dual investment shelled solid mold casting of reticulated metal foams
    Patent number: 10029302
    Abstract: A method to manufacture reticulated metal foam via a dual investment, includes pre-investment of a precursor with a diluted pre-investment ceramic plaster then applying an outer mold to the encapsulated precursor as a shell-mold.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: July 24, 2018
    Assignee: United Technologies Corporation
    Inventors: Ryan C. Breneman, Steven J. Bullied, David R. Scott
  • Casting of thin wall hollow airfoil sections
    Patent number: 10024181
    Abstract: A casting mold assembly includes an airfoil defining section and a casting core. The airfoil defining section includes an outer mold wall and a direct-shelled inner mold wall. The direct-shelled inner mold wall is disposed within a forward chordwise portion of the airfoil defining section. The direct-shelled inner mold wall includes an aft end having an external radius measuring more than about 0.075 in. (1.9 mm). The casting core is secured within an aft chordwise portion of the airfoil defining section, and includes an aft end with an external radius measuring less than about 0.075 in. (1.9 mm). A cast component and a method for making the casting mold assembly are also disclosed.
    Type: Grant
    Filed: October 5, 2016
    Date of Patent: July 17, 2018
    Assignee: United Technologies Corporation
    Inventors: Steven J. Bullied, Carl R. Verner, Steven D. Porter, James B. Park
  • METHOD AND SYSTEM FOR DIE CASTING A HYBRID COMPONENT
    Publication number: 20180161862
    Abstract: A die casting system includes a die including at least one die component that defines a die cavity, a spar received within a portion of said die cavity, a shot tube in fluid communication with the die cavity, and a shot tube plunger moveable within the shot tube to communicate a molten metal into the die cavity to cast a hybrid component. The spar establishes an internal structure of the hybrid component, and one of the internal structures and an outer structure of said hybrid component is an equiaxed structure.
    Type: Application
    Filed: February 9, 2018
    Publication date: June 14, 2018
    Inventors: Steven J. Bullied, John Joseph Marcin, Carl R. Verner
  • Variable Diameter Investment Casting Mold For Casting of Reticulated Metal Foams
    Publication number: 20180154428
    Abstract: A method to manufacture reticulated metal foam via a dual investment solid mold, includes pre-investing a precursor with a diluted pre-investment ceramic plaster to encapsulate the precursor; and investing the encapsulated precursor with a ceramic plaster within an mold of a varied cross-section. A varied cross-section mold includes a mold thickness adjacent to an outer periphery of a pattern at a top of the varied cross-section mold is between 200-500% a thickness between the outer periphery of the pattern at a base of the varied cross-section mold. A varied cross-section mold includes a trapezoidal prism shape with a pour cone in a top, the top larger than the base.
    Type: Application
    Filed: February 5, 2018
    Publication date: June 7, 2018
    Applicant: United Technologies Corporation
    Inventors: Ryan C. Breneman, Steven J. Bullied, John F. Blondin, Ryan B. Noraas