Patents by Inventor Andrew Schertzer

Andrew Schertzer 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: 9409231
    Abstract: A method including positioning an insert in a vertical mold including a first mold portion and a second mold portion; and casting a material including a metal around at least a portion of the insert.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: August 9, 2016
    Assignee: GM Global Technology Operations LLC
    Inventors: Michael D. Hanna, Mohan Sundar, Andrew Schertzer
  • Publication number: 20140246162
    Abstract: A method including positioning an insert in a vertical mold including a first mold portion and a second mold portion; and casting a material including a metal around at least a portion of the insert.
    Type: Application
    Filed: May 15, 2014
    Publication date: September 4, 2014
    Applicant: GM Global Technology Operations LLC
    Inventors: Michael D. Hanna, MOHAN SUNDAR, ANDREW SCHERTZER
  • Patent number: 8820491
    Abstract: The invention provides a method for manufacturing a friction damped disc brake rotor, including the steps of: (A) providing a ceramic coating on an insert, wherein the insert has a body with tabs extending therefrom to hold the insert in a desired position within a mold; (B) washing the ceramic coating off of the tabs; (C) positioning the insert into the mold; and (D) casting a rotor cheek of the disc brake rotor in the mold around the insert such that a portion of each tab is bonded with the rotor cheek, and such that the coating is substantially non-bonded with the rotor cheek so that the coating provides a proper interfacial boundary between the body and the cheek for damping, and the at least partial bonding of each tab with the rotor cheek prevents corrosion-causing exterior elements from reaching the interfacial boundary when the friction damped disc brake rotor is in use.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: September 2, 2014
    Assignee: GM Global Technology Operations LLC
    Inventors: Michael D. Hanna, James G. Schroth, Richard H. Hammar, Omar S. Dessouki, Brent D. Lowe, Mark T. Riefe, Jeremy W. Short, Andrew Schertzer
  • Patent number: 8770263
    Abstract: A method including positioning an insert in a vertical mold including a first mold portion and a second mold portion; and casting a material including a metal around at least a portion of the insert.
    Type: Grant
    Filed: May 23, 2011
    Date of Patent: July 8, 2014
    Assignee: GM Global Technology Operations LLC
    Inventors: Michael D. Hanna, Mohan Sundar, Andrew Schertzer
  • Patent number: 8118079
    Abstract: An assembly of like two rib cores enclosing a splitter core are used to carry two or four sound damping inserts for sand mold casting of a pair of vented and damped brake rotors. Sand mold bodies are configured to define outboard surfaces of hub and rotor surfaces of the cast brake rotors. The three-piece core assembly is shaped to define the complex inner surfaces in casting of vented rotor bodies carrying one or two annular sound damping inserts.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: February 21, 2012
    Assignee: GM Global Technology Operations LLC
    Inventors: Michael D. Hanna, Mohan Sundar, Andrew Schertzer
  • Publication number: 20110220313
    Abstract: A method including positioning an insert in a vertical mold including a first mold portion and a second mold portion; and casting a material including a metal around at least a portion of the insert.
    Type: Application
    Filed: May 23, 2011
    Publication date: September 15, 2011
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Michael D. Hanna, Mohan Sundar, Andrew Schertzer
  • Publication number: 20110220772
    Abstract: A method including positioning an insert in a vertical mold including a first mold portion and a second mold portion; and casting a material including a metal around at least a portion of the insert.
    Type: Application
    Filed: May 23, 2011
    Publication date: September 15, 2011
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Michael D. Hanna, Mohan Sundar, Andrew Schertzer
  • Publication number: 20110198169
    Abstract: The invention provides a method for manufacturing a friction damped disc brake rotor, including the steps of: (A) providing a ceramic coating on an insert, wherein the insert has a body with tabs extending therefrom to hold the insert in a desired position within a mold; (B) washing the ceramic coating off of the tabs; (C) positioning the insert into the mold; and (D) casting a rotor cheek of the disc brake rotor in the mold around the insert such that a portion of each tab is bonded with the rotor cheek, and such that the coating is substantially non-bonded with the rotor cheek so that the coating provides a proper interfacial boundary between the body and the cheek for damping, and the at least partial bonding of each tab with the rotor cheek prevents corrosion-causing exterior elements from reaching the interfacial boundary when the friction damped disc brake rotor is in use.
    Type: Application
    Filed: April 26, 2011
    Publication date: August 18, 2011
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Michael D. Hanna, James G. Schroth, Richard H. Hammar, Omar S. Dessouki, Brent D. Lowe, Mark T. Riefe, Jeremy W. Short, Andrew Schertzer
  • Patent number: 7950441
    Abstract: A method including positioning an insert in a vertical mold including a first mold portion and a second mold portion; and casting a material including a metal around at least a portion of the insert.
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: May 31, 2011
    Assignee: GM Global Technology Operations LLC
    Inventors: Michael D. Hanna, Mohan Sundar, Andrew Schertzer
  • Patent number: 7937819
    Abstract: The invention provides a method for manufacturing a friction damped disc brake rotor, including the steps of: (A) providing a ceramic coating on an insert, wherein the insert has a body with tabs extending therefrom to hold the insert in a desired position within a mold; (B) washing the ceramic coating off of the tabs; (C) positioning the insert into the mold; and (D) casting a rotor cheek of the disc brake rotor in the mold around the insert such that a portion of each tab is bonded with the rotor cheek, and such that the coating is substantially non-bonded with the rotor cheek so that the coating provides a proper interfacial boundary between the body and the cheek for damping, and the at least partial bonding of each tab with the rotor cheek prevents corrosion-causing exterior elements from reaching the interfacial boundary when the friction damped disc brake rotor is in use.
    Type: Grant
    Filed: June 27, 2006
    Date of Patent: May 10, 2011
    Assignee: GM Global Technology Operations LLC
    Inventors: Michael D. Hanna, James G. Schroth, Richard H. Hammar, Omar S. Dessouki, Brent D. Lowe, Mark T. Riefe, Jeremy W. Short, Andrew Schertzer
  • Publication number: 20090044923
    Abstract: An assembly of like two rib cores enclosing a splitter core are used to carry two or four sound damping inserts for sand mold casting of a pair of vented and damped brake rotors. Sand mold bodies are configured to define outboard surfaces of hub and rotor surfaces of the cast brake rotors. The three-piece core assembly is shaped to define the complex inner surfaces in casting of vented rotor bodies carrying one or two annular sound damping inserts.
    Type: Application
    Filed: July 31, 2008
    Publication date: February 19, 2009
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
    Inventors: Michael D. Hanna, Mohan Sundar, Andrew Schertzer
  • Publication number: 20090020256
    Abstract: A method including positioning an insert in a vertical mold including a first mold portion and a second mold portion; and casting a material including a metal around at least a portion of the insert.
    Type: Application
    Filed: July 16, 2008
    Publication date: January 22, 2009
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
    Inventors: Michael D. Hanna, Mohan Sundar, Andrew Schertzer
  • Publication number: 20070062768
    Abstract: The invention provides a method for manufacturing a friction damped disc brake rotor, including the steps of: (A) providing a ceramic coating on an insert, wherein the insert has a body with tabs extending therefrom to hold the insert in a desired position within a mold; (B) washing the ceramic coating off of the tabs; (C) positioning the insert into the mold; and (D) casting a rotor cheek of the disc brake rotor in the mold around the insert such that a portion of each tab is bonded with the rotor cheek, and such that the coating is substantially non-bonded with the rotor cheek so that the coating provides a proper interfacial boundary between the body and the cheek for damping, and the at least partial bonding of each tab with the rotor cheek prevents corrosion-causing exterior elements from reaching the interfacial boundary when the friction damped disc brake rotor is in use.
    Type: Application
    Filed: June 27, 2006
    Publication date: March 22, 2007
    Inventors: Michael Hanna, James Schroth, Richard Hammar, Omar Dessouki, Brent Lowe, Mark Riefe, Jeremy Short, Andrew Schertzer