Patents by Inventor Timothy M. Davis

Timothy M. Davis 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).

  • Sliding seal
    Patent number: 10107123
    Abstract: The present disclosure relates generally to a sliding seal between two components. At least one of the two components includes a ramped surface on which the sliding seal slides during relative movement between the two components.
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: October 23, 2018
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventor: Timothy M. Davis
  • MULTI-PIECE SEAL
    Publication number: 20180291759
    Abstract: The present disclosure relates generally to a seal between two components. The seal includes a plurality of seal sections including convolutions therein that are inter-engaged with one another to form flexible and resilient seals.
    Type: Application
    Filed: June 14, 2018
    Publication date: October 11, 2018
    Inventors: Timothy M. Davis, Michael S. Stevens
  • Thermally protected seal assembly
    Patent number: 10088049
    Abstract: A seal assembly that may be for turbine engine includes first and second rings with a convoluted seal resiliently compressed there-between. The seal may define a gap for receipt of a thermally resistant shield that may also reduce wear of the seal. The seal may include a hole for the flow of cooling air and the shield may be porous so as not to obstruct the cooling air flow for cooling of the seal.
    Type: Grant
    Filed: May 5, 2015
    Date of Patent: October 2, 2018
    Assignee: United Technologies Corporation
    Inventors: Timothy M. Davis, Michael S. Stevens
  • Seal
    Patent number: 10041366
    Abstract: The present disclosure relates generally to a sliding seal between two components. The sliding seal includes a substantially radially extending rail and a substantially axially extending leg, such that the seal has a substantially J-shaped cross-section.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: August 7, 2018
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Timothy M. Davis, Paul M. Lutjen, Jeremy Drake
  • Dual compliant seal
    Patent number: 9988919
    Abstract: The present disclosure relates generally to a seal between two circumferential components. The seal comprises a first rope seal partially disposed within a first retainer, a second rope seal partially disposed within a second retainer, a carrier including a first end operatively coupled to the first retainer and a second end operatively coupled to the second retainer.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: June 5, 2018
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Timothy M Davis, Mark J. Rogers
  • Joined two ply w seal
    Patent number: 9982550
    Abstract: A metal gasket bellows seal includes a first ply and a second ply coupled to the first ply at a first location via spot joining at one or more locations.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: May 29, 2018
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventor: Timothy M. Davis
  • Consumable assembly tool for a gas turbine engine
    Patent number: 9970311
    Abstract: A method of assembling a gas turbine engine is provided that includes locating a consumable assembly tool within the engine. The consumable assembly tool is attached to another component of the gas turbine engine. The engine is run to vaporize the consumable assembly tool.
    Type: Grant
    Filed: March 5, 2014
    Date of Patent: May 15, 2018
    Assignee: United Technologies Corporation
    Inventors: Michael S. Stevens, Jeremy Drake, Brian Duguay, Timothy M. Davis, Ryan M. Kohn, Dairus D. McDowell, Brian McLaughlin
  • Conformal seal
    Patent number: 9957827
    Abstract: The present disclosure relates generally to a sliding seal between two components. The sliding seal includes a first seal section and an adjacent second seal section, each including a base and two extending legs defining respective first and second ends of the seal. At least the first seal section includes a first plurality of slots extending from the first end to the base and a second plurality of slots extending from the second end to the base.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: May 1, 2018
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Timothy M Davis, Paul M Lutjen, Mark J. Rogers
  • SLIDING SEAL
    Publication number: 20180106159
    Abstract: The present disclosure relates generally to a sliding seal between two components. The sliding seal includes a seal ring including a radially extending base and an axially-extending leg disposed in a seal cavity between first and second components. A retaining ring having a first leg and a second leg defining a cavity therebetween is disposed with a portion of the base and a portion of the first component contained therein, thereby providing loading forces to help the seal ring seal against both the first and second components. One or more rope seals are carried by the seal ring in an embodiment. Other combinations of seal rings, retaining rings, and rope seals are also disclosed.
    Type: Application
    Filed: December 15, 2017
    Publication date: April 19, 2018
    Inventors: Timothy M. Davis, Paul M. Lutjen
  • Cooling systems for gas turbine engine components
    Patent number: 9920869
    Abstract: A transfer tube includes a conduit with an inlet and an opposed outlet. The transfer tube also includes a retention tab extending from the inlet and a locking spring tab extending from the outlet. The locking spring tab includes a claw portion extending radially from the locking spring tab of the transfer tube.
    Type: Grant
    Filed: May 11, 2015
    Date of Patent: March 20, 2018
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Timothy M Davis, Jeremy Drake
  • Low leakage multi-directional interface for a gas turbine engine
    Patent number: 9879558
    Abstract: An interface within a gas turbine engine includes a multiple of segmented components, each with a segment flange with a multiple of apertures, at least one of the multiple of apertures a first slot aperture. A full ring component with a ring flange that defines a multiple ring of apertures, at least one of the multiple of ring apertures a second slot aperture, the second slot aperture transverse to the first slot aperture.
    Type: Grant
    Filed: February 5, 2014
    Date of Patent: January 30, 2018
    Assignee: United Technologies Corporation
    Inventors: Mark J Rogers, Mark Broomer, Craig R. McGarrah, Timothy M Davis, Anthony B Swift, Russell E Keene, Carson A. Roy Thill, Timothy A. Dunbar
  • Sliding seal
    Patent number: 9879780
    Abstract: The present disclosure relates generally to a sliding seal between two components. The sliding seal includes a carrier having one or more cavities formed therein. The one or more carriers may contain wave springs and/or compliant seals therein. Various embodiments provide loading of the seal in both the axial and radial directions, regardless of whether a pressure differential exists across the seal, by means of springs and/or ramped surfaces. Other combinations of carrier, wave springs, and compliant seals are also disclosed.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: January 30, 2018
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Mark J. Rogers, Timothy M. Davis
  • MULTI-PLY SEAL RING
    Publication number: 20180017168
    Abstract: A multi-ply seal ring includes an inner seal ring and an outer seal ring. The inner seal ring includes a plurality of discrete inner ring segments disposed circumferentially about an axis in an annular array. The inner ring segments are arranged end-to-end within the annular array. The inner seal ring is engaged with and nested within the outer seal ring. In addition or alternatively, the outer seal ring may include a plurality of discrete outer ring segments disposed circumferentially about the axis in an annular array.
    Type: Application
    Filed: July 12, 2016
    Publication date: January 18, 2018
    Inventors: Timothy M. Davis, Jeffrey M. Wittman, Jose R. Paulino
  • Dual walled seal assembly
    Patent number: 9850773
    Abstract: A seal assembly that may be for turbine engine includes a first wall defining in-part a first flowpath and a second wall defining in-part a second flowpath having a pressure that is greater than the first flowpath. The second wall has a plurality of metering apertures in fluid communication between the second flowpath and a cavity defined by and between the first and second walls. The walls may be convoluted and generally, resiliently compressed between two substantially opposing surfaces for providing a seal between the two flowpaths.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: December 26, 2017
    Assignee: United Technologies Corporation
    Inventors: Mark F. Zelesky, Timothy M. Davis
  • Sliding seal
    Patent number: 9845697
    Abstract: The present disclosure relates generally to a sliding seal between two components. The sliding seal includes a seal ring including a radially extending base and an axially-extending leg disposed in a seal cavity between first and second components. A retaining ring having a first leg and a second leg defining a cavity therebetween is disposed with a portion of the base and a portion of the first component contained therein, thereby providing loading forces to help the seal ring seal against both the first and second components. One or more rope seals are carried by the seal ring in an embodiment. Other combinations of seal rings, retaining rings, and rope seals are also disclosed.
    Type: Grant
    Filed: January 19, 2015
    Date of Patent: December 19, 2017
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Timothy M. Davis, Paul M. Lutjen
  • BLADE OUTER AIR SEAL ASSEMBLY WITH POSITIONING FEATURE FOR GAS TURBINE ENGINE
    Publication number: 20170356309
    Abstract: A seal assembly for a gas turbine engine according to an example of the present disclosure includes, among other things, a seal arc segment that has a sealing portion and a first interface portion. The first interface portion defines circumferential mate faces. A support includes a mounting portion and a second interface portion. The mounting portion is configured to be fixedly attached to an engine static structure, and the second interface portion is radially inward of the first interface portion. At least one positioning member is dimensioned to abut the first and second interface portions such that the first and second interface portions are spaced apart by a predetermined distance in a radial direction.
    Type: Application
    Filed: June 10, 2016
    Publication date: December 14, 2017
    Inventor: Timothy M. Davis
  • JOINED TWO PLY W SEAL
    Publication number: 20170350266
    Abstract: A metal gasket bellows seal includes a first ply and a second ply coupled to the first ply at a first location via spot joining at one or more locations.
    Type: Application
    Filed: June 2, 2016
    Publication date: December 7, 2017
    Inventor: Timothy M. Davis
  • 2 PLY W-SEAL USING DISSIMILAR MATERIALS
    Publication number: 20170343112
    Abstract: A metal gasket bellows seal includes a first ply comprised of a first material having a first yield strength. The metal gasket bellows seal also includes a second ply positioned adjacent to the first ply and comprised of a second material having a second yield strength that is less than the first yield strength.
    Type: Application
    Filed: May 31, 2016
    Publication date: November 30, 2017
    Inventors: TIMOTHY M. DAVIS, Terence P. Tyler, JR., Jose R. Paulino, Paul M. Lutjen
  • SEAL RING FOR GAS TURBINE ENGINES
    Publication number: 20170335704
    Abstract: An annular ring for sealing a flow includes an inner ring and a tab. The tab extends radially and is configured to restrict axial movement of the seal.
    Type: Application
    Filed: May 23, 2016
    Publication date: November 23, 2017
    Inventors: Timothy M. Davis, Mark F. Zelesky, Michael G. McCaffrey
  • SHAPED COOLING PASSAGES FOR TURBINE BLADE OUTER AIR SEAL
    Publication number: 20170335706
    Abstract: A core assembly for fabricating an air cooled engine component for a gas turbine engine includes an end portion for defining passages within a side of an engine component. The end portion defines a first cross-section. A middle portion is spaced apart from the end portion and defines passages through a middle part of the engine component. The middle portion defines a second cross-section. One of the first cross-section and the second cross-section includes a first height greater than a second height. An air cooled engine component for a gas turbine engine and a gas turbine engine are also disclosed.
    Type: Application
    Filed: May 18, 2016
    Publication date: November 23, 2017
    Inventors: Timothy M. Davis, Paul M. Lutjen, Kevin J. Ryan