TREA

Structure, disposition or shape of gas-chambers

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  • F01N2490/00
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F01Engines F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES

Current Industry

F01N2490/00Structure, disposition or shape of gas-chambers

Sub Industries

F01N2490/02Two or more expansion chambers in series connected by means of tubes F01N2490/04the gases flowing longitudinally from inlet to outlet only in one direction F01N2490/06the gases flowing longitudinally from inlet to outlet in opposite directions F01N2490/08Two or more expansion chambers in series separated by apertured walls only F01N2490/10Two or more expansion chambers in parallel F01N2490/12Chambers having variable volumes F01N2490/14Dead or resonance chambers connected to gas flow tube by relatively short side-tubes F01N2490/15Plurality of resonance or dead chambers F01N2490/155being disposed one after the other in flow direction F01N2490/16Chambers with particular shapes F01N2490/18Dimensional characteristics of gas chambers F01N2490/20Chambers being formed inside the exhaust pipe without enlargement of the cross section of the pipe
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Diesel exhaust treatement apparatus and methods
    • Patent number 11,846,223
    • Issue date Dec 19, 2023
    • Dinex A/S
    • Venkata Rama Nataraj Maganti
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust system noise reduction device of vehicle
    • Patent number 11,846,216
    • Issue date Dec 19, 2023
    • Hyundai Motor Company
    • Hyeon Gyun Ahn
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Noise attenuation components
    • Patent number 11,808,187
    • Issue date Nov 7, 2023
    • Caterpillar Inc.
    • Dustin Irvin Landwehr
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Muffler with metallic meshed rings
    • Patent number 11,808,490
    • Issue date Nov 7, 2023
    • Carrier Corporation
    • Anthony S. Molavi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust system tuner tube to reduce standing wave
    • Patent number 11,802,499
    • Issue date Oct 31, 2023
    • Tenneco Automotive Operating Company Inc.
    • Boyd Boehlke
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Exhaust muffler
    • Patent number 11,795,847
    • Issue date Oct 24, 2023
    • Purem GmbH
    • Nicolas Mettenleiter
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Exhaust apparatus
    • Patent number 11,753,973
    • Issue date Sep 12, 2023
    • Suzuki Motor Corporation
    • Kohei Yamashita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Muffler
    • Patent number 11,746,681
    • Issue date Sep 5, 2023
    • R&R Holding & Leasing
    • Rafael Vargas
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Muffler, compressor assembly, and refrigerator
    • Patent number 11,732,623
    • Issue date Aug 22, 2023
    • Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
    • Panpan Heng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Insert assembly unit for a muffler of an exhaust system of an inter...
    • Patent number 11,725,554
    • Issue date Aug 15, 2023
    • Purem GmbH
    • Michael Marquardt-Stammberger
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Two-passage exhaust system for an engine
    • Patent number 11,725,573
    • Issue date Aug 15, 2023
    • Polaris Industries Inc.
    • William J. Bryant
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Exhaust gas processing device
    • Patent number 11,708,776
    • Issue date Jul 25, 2023
    • Marelli Corporation
    • Daisuke Sugaya
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Acoustically tuned muffler
    • Patent number 11,702,969
    • Issue date Jul 18, 2023
    • Tenneco Automotive Operating Company Inc.
    • Keith Bartu
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Muffler for vehicle
    • Patent number 11,661,871
    • Issue date May 30, 2023
    • Hyundai Motor Company
    • Young Dug Yang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust muffler for an exhaust system of an internal combustion engine
    • Patent number 11,643,953
    • Issue date May 9, 2023
    • Purem GmbH
    • Nicolas Mettenleiter
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Decomposition chamber for aftertreatment systems
    • Patent number 11,560,821
    • Issue date Jan 24, 2023
    • Cummins Emission Solutions Inc.
    • Samuel Johnson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Acoustic damper for gas turbine combustors with orthogonal slots
    • Patent number 11,536,174
    • Issue date Dec 27, 2022
    • President and Fellows of Harvard College
    • Katia Bertoldi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    After treatment system for a vehicle
    • Patent number 11,519,314
    • Issue date Dec 6, 2022
    • CNH Industrial America LLC
    • Salvatore Panunzio
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Exhaust device
    • Patent number 11,499,464
    • Issue date Nov 15, 2022
    • Suzuki Motor Corporation
    • Kohei Yamashita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Double inlets exhaust system for unmanned aerial vehicle
    • Patent number 11,485,510
    • Issue date Nov 1, 2022
    • VIETTEL GROUP
    • Hung Cuong Tran
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Exhaust gas processing device
    • Patent number 11,473,466
    • Issue date Oct 18, 2022
    • Marelli Corporation
    • Daisuke Sugaya
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Two-stroke engine exhaust resonator with exhaust gas catalytic conv...
    • Patent number 11,441,457
    • Issue date Sep 13, 2022
    • Martin Sula
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Exhaust sound attenuation device
    • Patent number 11,434,794
    • Issue date Sep 6, 2022
    • Caterpillar Inc.
    • Andrew Greif
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Muffler with internally supported tuner
    • Patent number 11,421,568
    • Issue date Aug 23, 2022
    • Tenneco Automotive Operating Company Inc.
    • Abdulhadi Madi
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Muffler
    • Patent number 11,421,569
    • Issue date Aug 23, 2022
    • Tenneco Automotive Operating Company Inc.
    • Abdulhadi Madi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Method for forming a collar in a muffler housing
    • Patent number 11,415,031
    • Issue date Aug 16, 2022
    • Bosal Emission Control Systems N.V.
    • Paul Vanleene
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Muffler
    • Patent number 11,377,989
    • Issue date Jul 5, 2022
    • Purem GmbH
    • Micha Hörr
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Exhaust muffler
    • Patent number 11,371,401
    • Issue date Jun 28, 2022
    • Honda Motor Co., Ltd.
    • Takahiko Shimizu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Acoustically tuned muffler
    • Patent number 11,365,658
    • Issue date Jun 21, 2022
    • Tenneco Automotive Operating Company Inc.
    • Gabriel Ostromecki
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Exhaust unit
    • Patent number 11,346,262
    • Issue date May 31, 2022
    • Futaba Industrial Co., Ltd.
    • Hirohisa Okami
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    MUFFLER FOR GENERATING A SPORTY AND RHYTHMIC SOUND AND A VEHICLE EQ...
    • Publication number 20240102408
    • Publication date Mar 28, 2024
    • Hyundai Motor Company
    • Kun Peng Jiang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ACOUSTIC IMPEDANCE CHANGE STRUCTURE AND AIR PASSAGE TYPE SILENCER
    • Publication number 20240003275
    • Publication date Jan 4, 2024
    • FUJIFILM CORPORATION
    • Shinya HAKUTA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Muffler
    • Publication number 20230399963
    • Publication date Dec 14, 2023
    • Purem GmbH
    • Martin Wagmann
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Exhaust Gas Processing Device
    • Publication number 20230304428
    • Publication date Sep 28, 2023
    • Marelli Corporation
    • Daisuke Sugaya
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    META-MUFFLER FOR REDUCING BROADBAND NOISE
    • Publication number 20230184147
    • Publication date Jun 15, 2023
    • Center for Advanced Meta-Materials
    • Byung Hun AN
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST SYSTEM TUNER TUBE TO REDUCE STANDING WAVE
    • Publication number 20230160325
    • Publication date May 25, 2023
    • Tenneco Automotive Operating Company Inc.
    • Boyd Boehlke
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    MIXER
    • Publication number 20230113789
    • Publication date Apr 13, 2023
    • Purem GmbH
    • Philipp Weinmann
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MUFFLER
    • Publication number 20230024144
    • Publication date Jan 26, 2023
    • Purem GmbH
    • Martin Strähle
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Exhaust Gas Processing Device
    • Publication number 20220412241
    • Publication date Dec 29, 2022
    • Marelli Corporation
    • Daisuke Sugaya
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST APPARATUS
    • Publication number 20220372900
    • Publication date Nov 24, 2022
    • SUZUKI MOTOR CORPORATION
    • Kohei YAMASHITA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST COMPONENT WITH FLEXIBLE MEMBRANE
    • Publication number 20220341352
    • Publication date Oct 27, 2022
    • Faurecia Emissions Control Technologies, USA, LLC
    • James Egan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Acoustically Tuned Muffler
    • Publication number 20220275738
    • Publication date Sep 1, 2022
    • Tenneco Automotive Operating Company Inc.
    • Keith BARTU
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    NOISE ATTENUATION COMPONENTS
    • Publication number 20220275737
    • Publication date Sep 1, 2022
    • Caterpillar Inc.
    • Dustin Irvin Landwehr
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    DECOMPOSITION CHAMBER FOR AFTERTREATMENT SYSTEMS
    • Publication number 20220186651
    • Publication date Jun 16, 2022
    • Cummins Emission Solutions Inc.
    • Samuel Johnson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    IMPROVED MUFFLER
    • Publication number 20220154609
    • Publication date May 19, 2022
    • R&R Holding & Leasing
    • Rafael Vargas
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    A sound attenuator as well as elements and a method of production t...
    • Publication number 20220099006
    • Publication date Mar 31, 2022
    • Teknologian Tutkimuskeskus VTT Oy
    • Erin Komi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Exhaust Gas Processing Device
    • Publication number 20220065147
    • Publication date Mar 3, 2022
    • Marelli Corporation
    • Daisuke Sugaya
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VEHICLE EXHAUST SYSTEM WITH END CAP MIXER
    • Publication number 20210404367
    • Publication date Dec 30, 2021
    • Faurecia Emissions Control Technologies, USA, LLC
    • Eduardo Alano
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST SYSTEM NOISE REDUCTION DEVICE OF VEHICLE
    • Publication number 20210355850
    • Publication date Nov 18, 2021
    • Hyundai Motor Company
    • Hyeon Gyun Ahn
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    DECOMPOSITION CHAMBER FOR AFTERTREATMENT SYSTEMS
    • Publication number 20210332733
    • Publication date Oct 28, 2021
    • Cummins Emission Solutions Inc.
    • Samuel Johnson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    INSERT ASSEMBLY UNIT FOR A MUFFLER OF AN EXHAUST SYSTEM OF AN INTER...
    • Publication number 20210317763
    • Publication date Oct 14, 2021
    • Eberspächer Exhaust Technology GmbH
    • Michael MARQUARDT-STAMMBERGER
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    SOUND ATTENUATING ENGINE EXHAUST SYSTEM
    • Publication number 20210231035
    • Publication date Jul 29, 2021
    • K&N Engineering, Inc.
    • Steve E. Williams
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Muffler With Internally Supported Tuner
    • Publication number 20210207507
    • Publication date Jul 8, 2021
    • Tenneco Automotive Operating Company Inc.
    • Abdulhadi MADI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SYSTEMS FOR AND METHODS OF FILLING MUFFLERS WITH FIBROUS MATERIAL
    • Publication number 20210207518
    • Publication date Jul 8, 2021
    • Owens Corning Intellectual Capital, LLC
    • Luc J. Brandt
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    EXHAUST MUFFLER
    • Publication number 20210156287
    • Publication date May 27, 2021
    • Eberspächer Exhaust Technology GmbH
    • Nicolas METTENLEITER
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    MUFFLER FOR VEHICLE
    • Publication number 20210140354
    • Publication date May 13, 2021
    • Hyundai Motor Company
    • Young Dug Yang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SYSTEMS AND METHODS FOR CONTROLLING FLOW DISTRIBUTION IN AN AFTERTR...
    • Publication number 20210131329
    • Publication date May 6, 2021
    • Cummins Emission Solutions Inc.
    • Apoorv KALYANKAR
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MUFFLER
    • Publication number 20210115822
    • Publication date Apr 22, 2021
    • Tenneco Automotive Operating Company Inc.
    • Abdulhadi Madi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXHAUST GAS AFTERTREATMENT DEVICE
    • Publication number 20200408130
    • Publication date Dec 31, 2020
    • Vitesco Technologies GMBH
    • Peter HIRTH
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    EXHAUST SOUND ATTENUATION DEVICE
    • Publication number 20200386132
    • Publication date Dec 10, 2020
    • Caterpillar Inc.
    • Andrew Greif
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES