Patents by Inventor Wai Tuck Chow

Wai Tuck Chow 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: 10648478
    Abstract: A bushing including a body portion including a cylinder portion having a bore there through configured to receive a bolt; a flange portion orthogonal and integral to the cylinder portion, the flange portion configured to abut a load bearing surface of a flange; a lip portion orthogonal to and integral to the flange portion proximate the cylinder portion, wherein the lip portion redistributes a flange load.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: May 12, 2020
    Assignee: United Technologies Corporation
    Inventors: Wai Tuck Chow, Ron I Prihar
  • Patent number: 10518322
    Abstract: An example molten material funnel includes a first outlet lip and a second outlet lip. The first and second outlet lips are configured to both contact molten material communicated through the molten material funnel.
    Type: Grant
    Filed: October 16, 2013
    Date of Patent: December 31, 2019
    Assignee: United Technologies Corporation
    Inventors: Wai Tuck Chow, Yan Seng Loh
  • Publication number: 20190309764
    Abstract: A bushing including a body portion including a cylinder portion having a bore there through configured to receive a bolt; a flange portion orthogonal and integral to the cylinder portion, the flange portion configured to abut a load bearing surface of a flange; a lip portion orthogonal to and integral to the flange portion proximate the cylinder portion, wherein the lip portion redistributes a flange load.
    Type: Application
    Filed: June 24, 2019
    Publication date: October 10, 2019
    Applicant: United Technologies Corporation
    Inventors: Wai Tuck Chow, Ron I. Prihar
  • Patent number: 10352328
    Abstract: A bushing including a body portion including a cylinder portion having a bore there through configured to receive a bolt; a flange portion orthogonal and integral to the cylinder portion, the flange portion configured to abut a load bearing surface of a flange; a lip portion orthogonal to and integral to the flange portion proximate the cylinder portion, wherein the lip portion redistributes a flange load.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: July 16, 2019
    Assignee: United Technologies Corporation
    Inventors: Wai Tuck Chow, Ron I. Prihar
  • Patent number: 9856753
    Abstract: A case for a gas turbine engine incudes a radial flange with a partial scallop along an inner diameter of the radial flange. A case assembly for a gas turbine engine incudes a first case with a first radial flange with a partial scallop along an inner diameter of the first radial flange, the partial scallop adjacent to a first aperture through the first radial flange and a second case with a second radial flange with a second aperture through the second radial flange, the second radial flange mountable to the first radial flange at an interface such that the second aperture is axially aligned with the first aperture and a seal lip that extends from the second case interfaces with said first case at a longitudinal interface.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: January 2, 2018
    Assignee: United Technologies Corporation
    Inventors: Wai Tuck Chow, Oleg Ivanov, Ron I Prihar
  • Patent number: 9713841
    Abstract: A die casting assembly has a cavity defined by multiple dies, the cavity includes at least one sharp corner. Each of the dies includes multiple die segments. A die segment joint between at least two of the die segments is aligned with the sharp corner.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: July 25, 2017
    Assignee: PRATT & WHITNEY SERVICES PTE LTD.
    Inventor: Wai Tuck Chow
  • Publication number: 20170146018
    Abstract: A bushing including a body portion including a cylinder portion having a bore there through configured to receive a bolt; a flange portion orthogonal and integral to the cylinder portion, the flange portion configured to abut a load bearing surface of a flange; a lip portion orthogonal to and integral to the flange portion proximate the cylinder portion, wherein the lip portion redistributes a flange load.
    Type: Application
    Filed: November 23, 2015
    Publication date: May 25, 2017
    Inventors: Wai Tuck Chow, Ron I. Prihar
  • Publication number: 20160363004
    Abstract: A case for a gas turbine engine incudes a radial flange with a partial scallop along an inner diameter of the radial flange.
    Type: Application
    Filed: June 10, 2015
    Publication date: December 15, 2016
    Inventors: Wai Tuck Chow, Oleg Ivanov, Ron I. Prihar
  • Patent number: 9511469
    Abstract: An example component polishing method includes polishing a component protecting portions of the component during the polishing using a barrier spaced from the component. The barrier is configured to move together with the component during the polishing.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: December 6, 2016
    Assignee: Pratt & Whitney Services PTE LTD.
    Inventors: Chua Boon Beng, Thomas Tan, Kim Wei Cheah, Wai Tuck Chow
  • Publication number: 20150258608
    Abstract: An example molten material funnel includes a first outlet lip and a second outlet lip. The first and second outlet lips are configured to both contact molten material communicated through the molten material funnel.
    Type: Application
    Filed: October 16, 2013
    Publication date: September 17, 2015
    Inventors: Wai Tuck Chow, Yan Seng Loh
  • Publication number: 20150165521
    Abstract: A shot sleeve assembly for a die casting process includes a housing defining a bore open at both a front end and a rear end and a pour opening for receiving molten material, the housing includes a first coefficient of thermal expansion. A core is received within the bore and includes a second coefficient of thermal expansion lower than the first coefficient of thermal expansion. Front and rear covers attached to the housing hold the core in place within the bore and accommodate differences in thermal expansion between the housing and core.
    Type: Application
    Filed: July 26, 2013
    Publication date: June 18, 2015
    Applicant: Pratt & Whitney Services PTE LTD.
    Inventors: Wai Tuck Chow, Yee Ling Kwan
  • Publication number: 20130323071
    Abstract: An example component polishing method includes polishing a component protecting portions of the component during the polishing using a barrier spaced from the component. The barrier is configured to move together with the component during the polishing.
    Type: Application
    Filed: October 19, 2012
    Publication date: December 5, 2013
    Applicant: PRATT & WHITNEY SERVICES PTE LTD.
    Inventors: Chua Boon Beng, Thomas Tan, Kim Wei Cheah, Wai Tuck Chow
  • Publication number: 20130277004
    Abstract: A die casting system according to an exemplary embodiment of this disclosure can include a shot tube plunger and a tip portion connected to the shot tube plunger. The tip portion can include an inner flange and a lip portion circumferentially disposed about the inner flange. A recess can be circumferentially disposed between the lip portion and the inner flange.
    Type: Application
    Filed: August 3, 2012
    Publication date: October 24, 2013
    Inventor: Wai Tuck Chow