TREA

Silencers using overlapping frequencies

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  • CPC
  • F04C29/061
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00

Current Industry

F04C29/061Silencers using overlapping frequencies
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Screw compressor configured to compress a process gas and dampen pu...
    • Patent number 11,920,596
    • Issue date Mar 5, 2024
    • MAN Energy Solutions SE
    • Ralf Gödde
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Modular compressor discharge system
    • Patent number 11,732,716
    • Issue date Aug 22, 2023
    • Carrier Corporation
    • Lee G. Tetu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Muffler for a compression mechanism of a rotary compressor
    • Patent number 11,585,343
    • Issue date Feb 21, 2023
    • Daikin Industries, Ltd.
    • Takashi Shimizu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Supercharger integral resonator
    • Patent number 11,339,708
    • Issue date May 24, 2022
    • EATON INTELLIGENT POWER LIMITED
    • Geon-Seok Kim
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Vacuum pump having a silencer
    • Patent number 11,274,668
    • Issue date Mar 15, 2022
    • LEYBOLD GMBH
    • Dieter Kolvenbach
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor
    • Patent number 11,136,980
    • Issue date Oct 5, 2021
    • Daikin Industries, Ltd.
    • Takashi Shimizu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump silencer
    • Patent number 11,060,523
    • Issue date Jul 13, 2021
    • Airtech Group, Inc.
    • Vincent Imbornone
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with pulsation attenuation space disposed in injection p...
    • Patent number 10,876,532
    • Issue date Dec 29, 2020
    • Daikin Industries, Ltd.
    • Yoshitomo Tsuka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Expansion chamber for a brake boost vacuum pump
    • Patent number 10,662,948
    • Issue date May 26, 2020
    • HELLA GMBH & CO. KGAA
    • Harish Chowdhary Athipatla
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Sound absorber for refrigerant compressor
    • Patent number 10,648,472
    • Issue date May 12, 2020
    • Bitzer Kuehlmaschinenbau GmbH
    • Dominic Kienzle
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary pump having a casing being formed with a communicating hole...
    • Patent number 10,253,775
    • Issue date Apr 9, 2019
    • Nabtesco Automotive Corporation
    • Yoshihiro Mitsuhashi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Discharge muffler
    • Patent number 10,145,375
    • Issue date Dec 4, 2018
    • J&E HALL LIMITED
    • Terence William Thomas Young
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Noise-reduction mechanism for oil pump
    • Patent number 9,989,059
    • Issue date Jun 5, 2018
    • Ford Global Technologies, LLC
    • Ahsanul Karim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with a resonator
    • Patent number 9,828,997
    • Issue date Nov 28, 2017
    • Denso Corporation
    • Shigeru Kawano
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Shunt pulsation trap for positive-displacement machinery
    • Patent number 9,732,754
    • Issue date Aug 15, 2017
    • Hi-Bar Blowers, Inc.
    • Paul Xiubao Huang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary pump having a casing being formed with a communicating hole...
    • Patent number 9,709,057
    • Issue date Jul 18, 2017
    • Nabtesco Automotive Corporation
    • Yoshihiro Mitsuhashi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Modular discharge silencer for vehicle-mounted compressor
    • Patent number 9,657,732
    • Issue date May 23, 2017
    • Ingersoll-Rand Company
    • Michael J. Lucas
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Scroll compressor with a shunt pulsation trap
    • Patent number 9,551,342
    • Issue date Jan 24, 2017
    • Paul Xiubao Huang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor system with resonator
    • Patent number 9,546,660
    • Issue date Jan 17, 2017
    • Ingersoll-Rand Company
    • Michael John Lucas
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotary compressor
    • Patent number 9,512,842
    • Issue date Dec 6, 2016
    • Daikin Industries, Ltd.
    • Takashi Shimizu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Integral resonators for roots-type supercharger
    • Patent number 9,512,834
    • Issue date Dec 6, 2016
    • Eaton Corporation
    • Scot Marc Streeter
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Air compressor
    • Patent number 9,377,023
    • Issue date Jun 28, 2016
    • Kabushiki Kaisha Toyota Jidoshokki
    • Masato Sowa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump having rotary compressing elements
    • Patent number 9,255,579
    • Issue date Feb 9, 2016
    • Nabtesco Automotive Corporation
    • Yoshihiro Mitsuhashi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Rotary lobe blower (pump) or vacuum pump with a shunt pulsation trap
    • Patent number 9,140,260
    • Issue date Sep 22, 2015
    • Hi-Bar Blowers, Inc.
    • Paul Xiubao Huang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Shunt pulsation trap for cyclic positive displacement (PD) compressors
    • Patent number 9,140,261
    • Issue date Sep 22, 2015
    • Hi-Bar Blowers, Inc.
    • Paul Xiubao Huang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor
    • Patent number 9,086,067
    • Issue date Jul 21, 2015
    • Daikin Industries, Ltd.
    • Masanori Masuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Double throat pulsation dampener for a compressor
    • Patent number 9,062,679
    • Issue date Jun 23, 2015
    • Ingersoll-Rand Company
    • Michael John Lucas
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Compressor muffler
    • Patent number 8,496,446
    • Issue date Jul 30, 2013
    • Carrier Corporation
    • Heng-Yi Lai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor having through holes with a set depth
    • Patent number 8,475,148
    • Issue date Jul 2, 2013
    • Sanyo Electric Co., Ltd.
    • Satoshi Iitsuka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Manual selective attenuator
    • Patent number 8,444,397
    • Issue date May 21, 2013
    • Johnson Controls Technology Company
    • Paul Nemit
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    SCREW COMPRESSOR
    • Publication number 20230204034
    • Publication date Jun 29, 2023
    • MAN Energy Solutions SE
    • Ralf GÖDDE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP HAVING A SILENCER
    • Publication number 20220128055
    • Publication date Apr 28, 2022
    • Leybold GmbH
    • Dieter Kolvenbach
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20220034324
    • Publication date Feb 3, 2022
    • LG ELECTRONICS INC.
    • Seungmock LEE
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20210095671
    • Publication date Apr 1, 2021
    • DAIKIN INDUSTRIES, LTD.
    • Takashi SHIMIZU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Supercharger Integral Resonator
    • Publication number 20200408139
    • Publication date Dec 31, 2020
    • Eaton Intelligent Power Limited
    • Geon-Seok Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    EXPANSION CHAMBER FOR A BRAKE BOOST VACUUM PUMP
    • Publication number 20180355870
    • Publication date Dec 13, 2018
    • HELLA GmbH & Co. KGaA
    • Harish Chowdhary Athipatla
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SUPERCHARGER INTEGRAL RESONATOR
    • Publication number 20180171865
    • Publication date Jun 21, 2018
    • EATON CORPORATION
    • Geon-Seok Kim
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    MODULAR DISCHARGE SILENCER FOR VEHICLE-MOUNTED COMPRESSOR
    • Publication number 20130280109
    • Publication date Oct 24, 2013
    • Michael J. Lucas
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SCREW COMPRESSOR
    • Publication number 20130216418
    • Publication date Aug 22, 2013
    • Masanori Masuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR WITH MUFFLE STRUCTURE AND ROTOR SEAT THEREOF
    • Publication number 20130136626
    • Publication date May 30, 2013
    • JOHNSON CONTROLS AIR CONDITIONING AND REFRIGERATION (WUXI) COMPANY, LTD.
    • Shengmei YANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP
    • Publication number 20130101412
    • Publication date Apr 25, 2013
    • NABTESCO AUTOMOTIVE CORPORATION
    • Yoshihiro Mitsuhashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MANUAL SELECTIVE ATTENUATOR
    • Publication number 20130028758
    • Publication date Jan 31, 2013
    • Johnson Controls Technology Company
    • Paul Nemit
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SHUNT PULSATION TRAP FOR CYCLIC POSITIVE DISPLACEMENT (PD) COMPRESSORS
    • Publication number 20120237378
    • Publication date Sep 20, 2012
    • Paul Xiubao Huang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR COMPRESSOR
    • Publication number 20120177526
    • Publication date Jul 12, 2012
    • Kabushiki Kaisha Toyota Jidoshokki
    • Masato SOWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20120087819
    • Publication date Apr 12, 2012
    • DAIKIN INDUSTRIES, LTD.
    • Takashi Shimizu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY LOBE BLOWER (PUMP) OR VACUUM PUMP WITH A SHUNT PULSATION TRAP
    • Publication number 20110300014
    • Publication date Dec 8, 2011
    • Paul Xiubao Huang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20110052437
    • Publication date Mar 3, 2011
    • Sanyo Electric Co., Ltd.
    • Satoshi Iitsuka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TUNING DEVICE WITH COMBINED BACKFLOW FUNCTION
    • Publication number 20100269797
    • Publication date Oct 28, 2010
    • GM Global Technology Operations, Inc.
    • GREGORY P. PRIOR
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTEGRAL ROTOR NOISE ATTENUATORS
    • Publication number 20100269798
    • Publication date Oct 28, 2010
    • GM Global Technology Operations, Inc.
    • GREGORY P. PRIOR
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Method and Device for Acoustic Length Testing of Compressor
    • Publication number 20100161285
    • Publication date Jun 24, 2010
    • William C. EGAN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor muffler
    • Publication number 20090232670
    • Publication date Sep 17, 2009
    • Heng-Yi Lai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DOUBLE THROAT PULSATION DAMPENER FOR A COMPRESSOR
    • Publication number 20090218164
    • Publication date Sep 3, 2009
    • Ingersoll-Rand Company
    • Michael John Lucas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    RESONATOR ARRANGEMENT IN AN ACOUSTIC MUFFLER FOR A REFRIGERATION CO...
    • Publication number 20090178881
    • Publication date Jul 16, 2009
    • WHIRLPOOL S.A.
    • Edmar Baars
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROOTS-TYPE BLOWER REDUCED ACOUSTIC SIGNATURE METHOD AND APPARATUS
    • Publication number 20090142213
    • Publication date Jun 4, 2009
    • Pulmonetic Systems, Inc.
    • Todd W. ALLUM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR SOUND SUPPRESSION
    • Publication number 20080260547
    • Publication date Oct 23, 2008
    • Carrier Corporation
    • David M. Rockwell
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Compressor Sound Suppression
    • Publication number 20080260546
    • Publication date Oct 23, 2008
    • Carrier Corporation
    • Stephen L. Shoulders
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor
    • Publication number 20080085205
    • Publication date Apr 10, 2008
    • Taisei Tamaoki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor Sound Suppression
    • Publication number 20080038121
    • Publication date Feb 14, 2008
    • Carrier Corporation
    • Stephen L. Shoulders
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor Seal
    • Publication number 20070286758
    • Publication date Dec 13, 2007
    • David M. Rockwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor sound suppression
    • Publication number 20070020112
    • Publication date Jan 25, 2007
    • David M. Rockwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...