Patents by Inventor Peter M. Gulvin

Peter M. Gulvin 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).

  • Patent number: 11766829
    Abstract: Nozzles for an additive manufacturing device and methods for improving wettability of the nozzles are disclosed. The method may include subjecting the nozzle to a surface treatment. The surface treatment may include contacting a surface of the nozzle with one or more surface modifying agents. The surface modifying agents may include one or more of an oxidizing agent, an acid, a base, or combinations thereof. The one or more surface modifying agents may increase an oxygen content of the surface of the nozzle. An inner surface of the nozzle may have a water contact angle of greater than 1° and less than about 90°. The inner surface of the nozzle may be free or substantially free of a coating.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: September 26, 2023
    Assignee: XEROX CORPORATION
    Inventors: Santokh S. Badesha, Varun Sambhy, Chu-Heng Liu, Peter M. Gulvin, Mark A. Cellura, George Shannon, Gary D. Redding, Lyle G. Dingman
  • Patent number: 11760028
    Abstract: A material drop ejecting three-dimensional (3D) object printer identifies a time lag error corresponding to a time lag in the response of printer components to component commands. The identified time lag error is provided to a slicer program that uses the identified time lag error to compensate for the time lag in the response of the printer components.
    Type: Grant
    Filed: January 30, 2021
    Date of Patent: September 19, 2023
    Assignee: Xerox Corporation
    Inventors: Rachel L. Tanchak, Erwin Ruiz, Brendan McNamara, Piotr Sokolowski, Jack G. Elliot, Ka H. Fung, Derek A. Bryl, Douglas E. Proctor, Christopher T. Chungbin, Peter M. Gulvin
  • Publication number: 20230278104
    Abstract: A printer having a pump which includes an inner cavity which retains a liquid metal printing material, and a nozzle, where the nozzle is configured to eject a plurality of liquid metal drops, an actuation coil configured to supply a pulse to the liquid metal to generate an electromagnetic force upon the liquid metal, where the actuation coil supplies a pulse at a first time varying current pulse, where the electromagnetic force causes the nozzle to eject a drop of liquid metal. The actuation coil also supplies a pulse at a second time varying current pulse, where the electromagnetic force is not sufficient to eject a drop of liquid. A method for metal jetting in a printer is also disclosed where differences between the temperature in an upper portion of the pump and the temperature in a lower portion of the pump are minimized.
    Type: Application
    Filed: March 2, 2022
    Publication date: September 7, 2023
    Applicant: XEROX CORPORATION
    Inventors: Palghat S. RAMESH, Viktor SUKHOTSKIY, Christopher T. CHUNGBIN, Paul J. McCONVILLE, Peter M. GULVIN, Gary D. REDDING
  • Publication number: 20230271226
    Abstract: A dross extraction implement for a printer is described. The dross extraction implement includes a cylindrical portion having a first section along a length of the cylindrical portion of the extraction implement having a first diameter and a second section along a length of the cylindrical portion of the extraction implement having a second diameter, where the first section is adjacent to the second section. The dross extraction implement is configured to be advanced into and retracted from an inner cavity of an ejector in the printer. A printer using the dross extraction implement and a method of using is also described.
    Type: Application
    Filed: February 25, 2022
    Publication date: August 31, 2023
    Applicant: XEROX CORPORATION
    Inventors: Joseph C. SHEFLIN, Gary D. REDDING, Joshua S. HILTON, Peter M. GULVIN
  • Patent number: 11701712
    Abstract: A slicer in a material drop ejecting three-dimensional (3D) object printer generates machine ready instructions that operate components of a printer, such as actuators and an ejector having at least one nozzle, to form features of an object more precisely than previously known. The instructions generated by the slicer control the actuators to move the ejector and a platform on which the object is formed relative to one another at a constant velocity to form edges of the feature.
    Type: Grant
    Filed: January 30, 2021
    Date of Patent: July 18, 2023
    Assignee: Xerox Corporation
    Inventors: Jack G. Elliot, Rachel L. Tanchak, Derek A. Bryl, Piotr Sokolowski, Erwin Ruiz, David A. Mantell, Brendan McNamara, Peter M. Gulvin, Christopher T. Chungbin
  • Publication number: 20230191487
    Abstract: A metal component is disclosed. The metal component has a first dimension greater than 5 mm, and a second dimension greater than 5 mm. The metal component may include where the alloy includes titanium, aluminum, vanadium, carbon, nitrogen, and oxygen. The alloy may include zirconium, titanium, copper, nickel, and beryllium. The metal component is not die-cast, melt-spun, or forged. An ejector and a method for jetting the metal component is also disclosed.
    Type: Application
    Filed: December 17, 2021
    Publication date: June 22, 2023
    Applicant: XEROX CORPORATION
    Inventors: Mariusz Tadeusz MIKA, Paul J. MCCONVILLE, Peter M. GULVIN, Colin G. FLETCHER, Daimon HELLER, Miranda MOSCHEL
  • Patent number: 11673198
    Abstract: A slicer in a material drop ejecting three-dimensional (3D) object printer generates machine ready instructions that operate components of a printer, such as actuators and an ejector having at least one nozzle, to form features of an object more precisely than previously known. The instructions generated by the slicer use positional data from an encoder to control the actuators to move the ejector and a platform on which the object is formed relative to one another to form edges of the feature.
    Type: Grant
    Filed: January 30, 2021
    Date of Patent: June 13, 2023
    Assignee: Xerox Corporation
    Inventors: Jack G. Elliot, Rachel L. Tanchak, Derek A. Bryl, Piotr Sokolowski, Erwin Ruiz, David A. Mantell, Brendan McNamara, Peter M. Gulvin, Christopher T. Chungbin
  • Publication number: 20230063825
    Abstract: An ejector for jetting modified metal is disclosed. The ejector for jetting modified metal also includes a nozzle orifice in connection with the inner cavity and configured to eject one or more droplets of liquid metal. The ejector for jetting modified metal includes a first gas source associated with the inner cavity and an external portion of the nozzle. The ejector for jetting modified metal also includes a second gas source coupled to the first gas source and in proximity to an external portion of the nozzle orifice.
    Type: Application
    Filed: August 31, 2021
    Publication date: March 2, 2023
    Applicant: XEROX CORPORATION
    Inventors: Mariusz Tadeusz MIKA, Peter M. GULVIN
  • Publication number: 20230066534
    Abstract: A method for metal jetting is disclosed. The method for metal jetting includes introducing a first gas into an outer nozzle of an ejector nozzle from a first gas source introducing an additive to the first gas from a second source, combining the additive with the first gas. The method for metal jetting also includes ejecting a droplet of molten metal printing material from the ejector nozzle. The method for metal jetting includes allowing the additive to react with the droplet of molten metal printing material to form a modified molten metal printing material.
    Type: Application
    Filed: August 31, 2021
    Publication date: March 2, 2023
    Applicant: XEROX CORPORATION
    Inventors: Mariusz Tadeusz MIKA, Peter M. GULVIN
  • Publication number: 20220242048
    Abstract: A material drop ejecting three-dimensional (3D) object printer identifies a time lag error corresponding to a time lag in the response of printer components to component commands. The identified time lag error is provided to a slicer program that uses the identified time lag error to compensate for the time lag in the response of the printer components.
    Type: Application
    Filed: January 30, 2021
    Publication date: August 4, 2022
    Inventors: Rachel L. Tanchak, Erwin Ruiz, Brendan McNamara, Piotr Sokolowski, Jack G. Elliot, Ka H. Fung, Derek A. Bryl, Douglas E. Proctor, Christopher T. Chungbin, Peter M. Gulvin
  • Publication number: 20220241866
    Abstract: A slicer in a material drop ejecting three-dimensional (3D) object printer generates machine ready instructions that operate components of a printer, such as actuators and an ejector having at least one nozzle, to form features of an object more precisely than previously known. The instructions generated by the slicer use positional data from an encoder to control the actuators to move the ejector and a platform on which the object is formed relative to one another to form edges of the feature.
    Type: Application
    Filed: January 30, 2021
    Publication date: August 4, 2022
    Inventors: Jack G. Elliot, Rachel L. Tanchak, Derek A. Bryl, Piotr Sokolowski, Erwin Ruiz, David A. Mantell, Brendan McNamara, Peter M. Gulvin, Christopher T. Chungbin
  • Publication number: 20220241865
    Abstract: A slicer in a material drop ejecting three-dimensional (3D) object printer generates machine ready instructions that operate components of a printer, such as actuators and an ejector having at least one nozzle, to form features of an object more precisely than previously known. The instructions generated by the slicer control the actuators to move the ejector and a platform on which the object is formed relative to one another at a constant velocity to form edges of the feature.
    Type: Application
    Filed: January 30, 2021
    Publication date: August 4, 2022
    Inventors: Jack G. Elliot, Rachel L. Tanchak, Derek A. Bryl, Piotr Sokolowski, Erwin Ruiz, David A. Mantell, Brendan McNamara, Peter M. Gulvin, Christopher T. Chungbin
  • Publication number: 20210069778
    Abstract: Nozzles for additive manufacturing and methods for improving wettability of the nozzles are disclosed. The nozzle may include a body having an inner surface and an outer surface. The inner surface may define an inner volume of the nozzle, and may have a water contact angle of greater than 1° and less than about 90°. The method may include subjecting the nozzle to a surface treatment. The surface treatment may include plasma treating a surface of the nozzle such that free radicals, polar functional groups, or a combination thereof are formed at the surface of the nozzle.
    Type: Application
    Filed: September 10, 2020
    Publication date: March 11, 2021
    Applicant: XEROX CORPORATION
    Inventors: Gary D. Redding, Lyle G. Dingman, Mark A. Cellura, Peter M. Gulvin, Christopher T. Chungbin, Chu-Heng Liu
  • Publication number: 20210069972
    Abstract: Nozzles for an additive manufacturing device and methods for improving wettability of the nozzles are disclosed. The method may include subjecting the nozzle to a surface treatment. The surface treatment may include contacting a surface of the nozzle with one or more surface modifying agents. The surface modifying agents may include one or more of an oxidizing agent, an acid, a base, or combinations thereof. The one or more surface modifying agents may increase an oxygen content of the surface of the nozzle. An inner surface of the nozzle may have a water contact angle of greater than 1° and less than about 90°. The inner surface of the nozzle may be free or substantially free of a coating.
    Type: Application
    Filed: September 10, 2020
    Publication date: March 11, 2021
    Applicant: XEROX CORPORATION
    Inventors: Santokh S. Badesha, Varun Sambhy, Chu-Heng Liu, Peter M. Gulvin, Mark A. Cellura, George Shannon, Gary D. Redding, Lyle G. Dingman
  • Publication number: 20200324341
    Abstract: The nozzles of a MHD liquid metal ejector/printhead can be clogged by contaminants in the liquid metal. Typically, these contaminants are in the form of small particles of aggregates of particles, such as metal oxides, that are insoluble in the liquid metal. Possible cleaning methods include mechanically removing the clogging material, such as by using a physical device to dislodge the clogging material and remove it; chemically removing the clogging material, such as by using selected chemicals/flux to chemically react with the clogging material; using ultrasound to break/remove the clogging material; and providing reversed and/or oscillating flow of material through the nozzle.
    Type: Application
    Filed: April 9, 2020
    Publication date: October 15, 2020
    Applicant: XEROX CORPORATION
    Inventors: Chu-Heng Liu, Scott James Vader, PAUL J. MCCONVILLE, DAVID A. MANTELL, Christopher T. Chungbin, Peter M Gulvin
  • Patent number: 10166777
    Abstract: A method for forming piezoelectric transducers for inkjet printheads includes: forming at least one piezoelectric layer on a substrate; forming at least one electrode pattern by depositing a conductive material on an exposed surface of the at least one piezoelectric layer; and forming a plurality of individual piezoelectric elements from the at least one piezoelectric layer before or after the forming of the at least one electrode pattern.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: January 1, 2019
    Assignee: XEROX CORPORATION
    Inventors: Gary D. Redding, Peter J. Nystrom, Peter M. Gulvin, Mark A. Cellura
  • Publication number: 20170305159
    Abstract: A method for forming piezoelectric transducers for inkjet printheads includes: forming at least one piezoelectric layer on a substrate; forming at least one electrode pattern by depositing a conductive material on an exposed surface of the at least one piezoelectric layer; and forming a plurality of individual piezoelectric elements from the at least one piezoelectric layer before or after the forming of the at least one electrode pattern.
    Type: Application
    Filed: April 21, 2016
    Publication date: October 26, 2017
    Inventors: Gary D. Redding, Peter J. Nystrom, Peter M. Gulvin, Mark A. Cellura
  • Patent number: 9757900
    Abstract: A pin actuated printhead includes an orifice through which a material is ejected, a chamber to hold the material to be ejected, a channel connecting the chamber to the orifice, and an actuated pin, to enter the orifice and to eject the material from the orifice. The printhead is configured to eject a material with a viscosity of 10,000 cP or more at an elevated temperature.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: September 12, 2017
    Assignee: XEROX CORPORATION
    Inventors: Peter J. Nystrom, Barry P. Mandel, Andrew W. Hays, Jun Ma, David Allen Mantell, Gary D. Redding, Peter M. Gulvin
  • Publication number: 20160339635
    Abstract: A pin actuated printhead includes an orifice through which a material is ejected, a chamber to hold the material to be ejected, a channel connecting the chamber to the orifice, and an actuated pin, to enter the orifice and to eject the material from the orifice. The printhead is configured to eject a material with a viscosity of 10,000 cP or more at an elevated temperature.
    Type: Application
    Filed: May 20, 2015
    Publication date: November 24, 2016
    Inventors: Peter J. Nystrom, Barry P. Mandel, Andrew W. Hays, Jun Ma, David Allen Mantell, Gary D. Redding, Peter M. Gulvin
  • Patent number: 9321265
    Abstract: An electrostatic actuator for a printhead. The electrostatic actuator may include a substrate. A dielectric layer may be disposed on the substrate. An electrode layer may be disposed on the dielectric layer. A first standoff layer may be disposed at least partially on the electrode layer. A second standoff layer may be disposed at least partially on the electrode layer and at least partially on the first standoff layer. A portion of the second standoff layer disposed on the electrode layer may be removed to form one or more landing pads. A membrane may be disposed at least partially on the second standoff layer.
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: April 26, 2016
    Assignee: XEROX CORPORATION
    Inventors: Peter J. Nystrom, Mark A. Cellura, Gary D. Redding, Peter M. Gulvin