Double or plural piston ring arrangements

Patents Grantslast 30 patents

  • Information Patent Grant

    Bearing compartment seal configuration for a gas turbine engine

    • Patent number 11,499,442
    • Issue date Nov 15, 2022
    • Raytheon Technologies Corporation
    • Jonathan Logan Miller
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Ramped spacer ring seal

    • Patent number 11,015,715
    • Issue date May 25, 2021
    • Raytheon Technologies Corporation
    • Jonathan Logan Miller
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Turbocharger

    • Patent number 10,801,368
    • Issue date Oct 13, 2020
    • MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
    • Keigo Sakamoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Switching bleed valve for a gas turbine engine

    • Patent number 10,487,751
    • Issue date Nov 26, 2019
    • United Technologies Corporation
    • Enzo DiBenedetto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Circumferential plenum for oil damper

    • Patent number 10,233,778
    • Issue date Mar 19, 2019
    • United Technologies Corporation
    • Daniel L. Gysling
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Seal with backup seal

    • Patent number 10,161,256
    • Issue date Dec 25, 2018
    • Untied Technologies Corporation
    • Steven D. Porter
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Sealing mechanism for a regenerative gas turbine combustor

    • Patent number 10,151,241
    • Issue date Dec 11, 2018
    • Mitsubishi Hitachi Power Systems, Ltd.
    • Tatsuya Fukuda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal runner with controlled oil lubrication

    • Patent number 9,915,175
    • Issue date Mar 13, 2018
    • United Technologies Corporation
    • Jonathan L. Miller
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Exhaust-gas turbocharger

    • Patent number 9,850,810
    • Issue date Dec 26, 2017
    • BorgWarner Inc.
    • Juergen Tschirschke
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Gas turbine engine impeller system for an intermediate pressure (IP...

    • Patent number 9,683,488
    • Issue date Jun 20, 2017
    • Rolls-Royce North American Technologies, Inc.
    • Robert A. Ress
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Variable nozzle unit and variable-geometry turbocharger

    • Patent number 9,618,005
    • Issue date Apr 11, 2017
    • IHI Corporation
    • Kenichi Segawa
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Gas turbine

    • Patent number 9,188,062
    • Issue date Nov 17, 2015
    • Mitsubishi Hitachi Power Systems, Ltd.
    • Eiichi Tsutsumi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

  • Information Patent Application

    GAS TURBINE ENGINE WITH CARBON/CARBON COMPOSITE PISTON SEAL

    • Publication number 20240175369
    • Publication date May 30, 2024
    • Calvin Jay Winder
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    BEARING COMPARTMENT SEAL CONFIGURATION FOR A GAS TURBINE ENGINE

    • Publication number 20200325788
    • Publication date Oct 15, 2020
    • United Technologies Corporation
    • Jonathan Logan Miller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SWITCHING BLEED VALVE FOR A GAS TURBINE ENGINE

    • Publication number 20190101061
    • Publication date Apr 4, 2019
    • United Technologies Corporation
    • Enzo DiBenedetto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CIRCUMFERENTIAL PLENUM FOR OIL DAMPER

    • Publication number 20170350273
    • Publication date Dec 7, 2017
    • United Technologies Corporation
    • Daniel L. Gysling
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Regenerative Gas Turbine Combustor

    • Publication number 20140345249
    • Publication date Nov 27, 2014
    • Mitsubishi Hitachi Power Systems, Ltd.
    • Tatsuya FUKUDA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    EXHAUST-GAS TURBOCHARGER

    • Publication number 20140322006
    • Publication date Oct 30, 2014
    • Juergen Tschirschke
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    GAS TURBINE ENGINE IMPELLER SYSTEM FOR AN INTERMEDIATE PRESSURE (IP...

    • Publication number 20140248142
    • Publication date Sep 4, 2014
    • Rolls-Royce plc
    • Robert A. Ress
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...