Patents by Inventor Philip J. Butler

Philip J. Butler 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).

  • Piezoelectric actuator
    Patent number: 8598767
    Abstract: A piezoelectric actuator arrangement (30) for use in a fuel injector (2), the actuator arrangement (30) comprising a stack (36) of one or more piezoelectric elements for receipt with an fluid chamber (12) of the injector (2), electrode means for generating an electric field within the stack (36), in use, and an electrical connector arrangement (42) for electrically connecting the electrode means to an external power supply, in use. The connector arrangement (42) comprises a first portion (60) in the form of a, base member, and a second portion (62) in the form of a body member, that are mutually arranged to form an articulated joint so as to provide the first portion (60) with at least one degree of freedom relative” to the second portion (62).
    Type: Grant
    Filed: January 16, 2007
    Date of Patent: December 3, 2013
    Assignee: Delphi Technologies Holding S.arl
    Inventors: Karl W Graham, Sami V. Horkko, Philip J Butler, Manfred Kolkman
  • Piezoelectric Actuator
    Publication number: 20090301440
    Abstract: A piezoelectric actuator arrangement (30) for use in a fuel injector (2), the actuator arrangement (30) comprising a stack (36) of one or more piezoelectric elements for receipt with an fluid chamber (12) of the injector (2), electrode means for generating an electric field within the stack (36), in use, and an electrical connector arrangement (42) for electrically connecting the electrode means to an external power supply, in use. The connector arrangement (42) comprises a first portion (60) in the form of a, base member, and a second portion (62) in the form of a body member, that are mutually arranged to form an articulated joint so as to provide the first portion (60) with at least one degree of freedom relative” to the second portion (62).
    Type: Application
    Filed: January 16, 2007
    Publication date: December 10, 2009
    Inventors: Karl W. Graham, Sami V. Horkko, Philip J. Butler, Manfred Kolkman