Patents by Inventor Lisa Jane Hill

Lisa Jane Hill 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).

  • SEAL ASSEMBLY
    Publication number: 20220186842
    Abstract: There is provided a seal assembly comprising: a first component and a second component spaced apart from the first component so as to define a passage for the transfer of fluid from an inlet of the seal assembly to an outlet of the seal assembly, wherein the first component comprises a concavity at least partially defining the passage, and wherein no part of the second component extends into the portion of the passage bounded by the concavity.
    Type: Application
    Filed: February 21, 2020
    Publication date: June 16, 2022
    Inventors: Robin Daniels, James Alexander McEwen, Levinia Mathews, Christopher Parry, Thomas Roberts, George E. Sandford, Stephen Caddy, Thomas Hulson, Dave Lee, Martin Selway, Kevin Franks, Lisa Jane Hill, Henry David Lambton Carr, Jonathan Wilson, Lee Curtis, Fahim Ismail Patel, Matthew Whittlesea, Matthew J. Purdey, Donald E. Willey
  • Variable geometry turbine
    Patent number: 10570812
    Abstract: A variable geometry turbine having a turbine wheel, an inlet passageway, a movable wall member being moveable axially to vary the width of the inlet passageway, an annular seal being mounted to the movable wall member or an adjacent housing member to provide a seal between adjacent surfaces of the movable wall member and housing member respectively, wherein a bypass passage is provided in the other of said movable wall member or housing member, extending from an inlet bypass port to an outlet bypass port, said ports being spaced from each other and provided in said adjacent surface of said other of the movable wall member or housing member, arranged such that as the movable wall member moves axially, the annular seal moves axially relative to the ports to vary the flow that may pass from a region of the cavity inboard of the seal, through the bypass passage.
    Type: Grant
    Filed: October 9, 2015
    Date of Patent: February 25, 2020
    Assignee: Cummins Ltd.
    Inventors: Lisa Jane Hill, John F. Parker, John Bywater
  • VARIABLE GEOMETRY TURBINE
    Publication number: 20180252152
    Abstract: A variable geometry turbine having a turbine wheel, an inlet passageway, a movable wall member being moveable axially to vary the width of the inlet passageway, an annular seal being mounted to the movable wall member or an adjacent housing member to provide a seal between adjacent surfaces of the movable wall member and housing member respectively, wherein a bypass passage is provided in the other of said movable wall member or housing member, extending from an inlet bypass port to an outlet bypass port, said ports being spaced from each other and provided in said adjacent surface of said other of the movable wall member or housing member, arranged such that as the movable wall member moves axially, the annular seal moves axially relative to the ports to vary the flow that may pass from a region of the cavity inboard of the seal, through the bypass passage.
    Type: Application
    Filed: October 9, 2015
    Publication date: September 6, 2018
    Inventors: Lisa Jane Hill, John F. Parker, John Bywater