Equalization of pressure pulses

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary compressor

    • Patent number 12,098,718
    • Issue date Sep 24, 2024
    • LG Electronics Inc.
    • Yongkyu Choi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor

    • Patent number 12,098,724
    • Issue date Sep 24, 2024
    • LG Electronics Inc.
    • Changeol Jo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Positive displacement roots blower noise suppression

    • Patent number 12,060,881
    • Issue date Aug 13, 2024
    • Ingersoll-Rand Industrial U.S., Inc.
    • Michael J. Lucas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Device for recirculating an at least partially gaseous composition...

    • Patent number 11,959,478
    • Issue date Apr 16, 2024
    • BUSCH PRODUKTIONS GMBH
    • Théo Bilger
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Screw compressor slide valve and screw compressor with gas pulsatio...

    • Patent number 11,920,594
    • Issue date Mar 5, 2024
    • XI'AN JIAOTONG UNIVERSITY
    • Ziwen Xing
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Slide valve for a twin-screw compressor

    • Patent number 11,913,453
    • Issue date Feb 27, 2024
    • Johnson Controls Tyco IP Holdings LLP
    • Shengmei Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Axial pressure relief in slide bearings of pumps

    • Patent number 11,719,242
    • Issue date Aug 8, 2023
    • Schwabische Huttenwerke Automotive GmbH
    • Claus Welte
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor with a shunt-enhanced decompression and pulsation...

    • Patent number 11,713,761
    • Issue date Aug 1, 2023
    • Paul Xiubao Huang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid working systems

    • Patent number 11,655,816
    • Issue date May 23, 2023
    • Danfoss Power Solutions GmbH & Co. OHG
    • Elliott Gruber
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid working systems

    • Patent number 11,499,552
    • Issue date Nov 15, 2022
    • Danfoss Power Solutions GmbH & Co. OHG
    • Elliott Gruber
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Scroll compressor having discharge cover providing a space to guide...

    • Patent number 11,293,442
    • Issue date Apr 5, 2022
    • LG Electronics Inc.
    • Nayoung Jeon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pulsation mufflers for compressors

    • Patent number 11,067,084
    • Issue date Jul 20, 2021
    • Gardner Denver Deutschland GmbH
    • Ulrich Thomes
    • 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 noise reduction

    • Patent number 10,890,188
    • Issue date Jan 12, 2021
    • TRANE INTERNATIONAL INC.
    • William B. Rockwood
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Volumetric lobe compressor for equipment collecting waste material

    • Patent number 10,871,160
    • Issue date Dec 22, 2020
    • Jurop S.P.a.
    • Danilo Santarossa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Scroll compression device having a sealing device, and scroll compr...

    • Patent number 10,753,360
    • Issue date Aug 25, 2020
    • Danfoss Commercial Compressors
    • Remi Bou Dargham
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Modular heat exchanger, moisture separator and pulsation dampener f...

    • Patent number 10,682,588
    • Issue date Jun 16, 2020
    • Ingersoll-Rand Industrial U.S., Inc.
    • Hardik Vinodbhai Gohel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS 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

    Fluid ring compressor

    • Patent number 10,590,932
    • Issue date Mar 17, 2020
    • Sterling Industry Consult GmbH
    • Heiner Kösters
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric compressor

    • Patent number 10,578,108
    • Issue date Mar 3, 2020
    • HANON SYSTEMS
    • Hyun Seong Ahn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dynamic variable orifice for compressor pulsation control

    • Patent number 10,487,812
    • Issue date Nov 26, 2019
    • Jared W. Adair
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Device for conditioning flow of working fluids

    • Patent number 10,465,687
    • Issue date Nov 5, 2019
    • Howden Roots LLC
    • Dale E. Husted
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having external shell with vibration isolation and press...

    • Patent number 10,240,603
    • Issue date Mar 26, 2019
    • TRANE INTERNATIONAL INC.
    • William B. Rockwood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pulsation damper for compressors

    • Patent number 10,180,140
    • Issue date Jan 15, 2019
    • Ingersoll-Rand Company
    • Jan Hauser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mechanical ventilation system utilizing bias valve

    • Patent number 10,118,011
    • Issue date Nov 6, 2018
    • CareFusion 203, Inc.
    • Douglas F. DeVries
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Compressor, air conditioner system comprising the compressor and he...

    • Patent number 10,041,482
    • Issue date Aug 7, 2018
    • NATIONAL ENGINEERING RESEARCH CENTER OF GREEN REFRIGERATION EQUIPMENT
    • Huijun Wei
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Electric motor vehicle vacuum pump arrangement

    • Patent number 9,989,058
    • Issue date Jun 5, 2018
    • Pierburg Pump Technology GmbH
    • Nabil Salim Al-Hasan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Silent gear pump or motor suppressing troubles of trapping fluid

    • Patent number 9,945,230
    • Issue date Apr 17, 2018
    • Nag-Bok Lim
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pulsation dampening assembly

    • Patent number 9,863,421
    • Issue date Jan 9, 2018
    • Emerson Climate Technologies, Inc.
    • Ajay Utpat
    • 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...

Patents Applicationslast 30 patents

  • Information Patent Application

    POSITIVE DISPLACEMENT ROOTS BLOWER NOISE SUPPRESSION

    • Publication number 20240384718
    • Publication date Nov 21, 2024
    • Ingersoll-Rand Industrial U.S., Inc.
    • Michael J. Lucas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR

    • Publication number 20240318654
    • Publication date Sep 26, 2024
    • LG ELECTRONICS INC.
    • Honghee PARK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR

    • Publication number 20240318653
    • Publication date Sep 26, 2024
    • LG ELECTRONICS INC.
    • Honghee PARK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Slide Valve for a Twin-Screw Compressor

    • Publication number 20240191713
    • Publication date Jun 13, 2024
    • TYCO FIRE & SECURITY GMBH
    • Shengmei Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR

    • Publication number 20240151227
    • Publication date May 9, 2024
    • LG ELECTRONICS INC.
    • Jinyong JANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR

    • Publication number 20240077080
    • Publication date Mar 7, 2024
    • LG ELECTRONICS INC.
    • Changeol JO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR WITH A SHUNT-ENHANCED DECOMPRESSION AND PULSATION...

    • Publication number 20230097255
    • Publication date Mar 30, 2023
    • Paul Xiubao Huang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DEVICE FOR RECIRCULATING AN AT LEAST PARTIALLY GASEOUS COMPOSITION...

    • Publication number 20230013325
    • Publication date Jan 19, 2023
    • BUSCH PRODUKTIONS GMBH
    • Théo Bilger
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Screw compressor slide valve and screw compressor with gas pulsatio...

    • Publication number 20220042510
    • Publication date Feb 10, 2022
    • XI'AN JIAOTONG UNIVERSITY
    • Ziwen Xing
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AXIAL PRESSURE RELIEF IN SLIDE BEARINGS OF PUMPS

    • Publication number 20210404470
    • Publication date Dec 30, 2021
    • SCHWABISCHE HUTTENWERKE AUTOMOTIVE GMBH
    • Claus Welte
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTEGRATED ROTARY POSITIVE-DISPLACEMENT MACHINERY

    • Publication number 20200109713
    • Publication date Apr 9, 2020
    • HI-BAR BLOWERS, INC.
    • Paul Xiubao HUANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSION DEVICE HAVING A SEALING DEVICE, AND SCROLL COMPR...

    • Publication number 20190323502
    • Publication date Oct 24, 2019
    • Danfoss Commercial Compressors
    • Remi Bou Dargham
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DISPLACEMENT MACHINE ACCORDING TO THE SPIRAL PRINCIPLE, METHOD FOR...

    • Publication number 20180335032
    • Publication date Nov 22, 2018
    • OET GmbH
    • Frank Obrist
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DYNAMIC VARIABLE ORIFICE FOR COMPRESSOR PULSATION CONTROL

    • Publication number 20180313343
    • Publication date Nov 1, 2018
    • Jared W. ADAIR
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BEARING PLATE NOISE DAMPER

    • Publication number 20180274542
    • Publication date Sep 27, 2018
    • EATON CORPORATION
    • GEON-SEOK KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VOLUMETRIC LOBE COMPRESSOR FOR EQUIPMENT COLLECTING WASTE MATERIAL

    • Publication number 20180230999
    • Publication date Aug 16, 2018
    • JUROP S.P.A.
    • DANILO SANTAROSSA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    DYNAMIC VARIABLE ORIFICE FOR COMPRESSOR PULSATION CONTROL

    • Publication number 20180142678
    • Publication date May 24, 2018
    • Jared W. ADAIR
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID WORKING SYSTEMS

    • Publication number 20180135627
    • Publication date May 17, 2018
    • Danfoss Power Solutions GnbH & Co., OHG
    • Elliott Gruber
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PULSATION DAMPER FOR COMPRESSORS

    • Publication number 20180094629
    • Publication date Apr 5, 2018
    • Ingersoll-Rand Company
    • Jan Hauser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DEVICE FOR DAMPING PRESSURE FLUCTUATIONS

    • Publication number 20180093593
    • Publication date Apr 5, 2018
    • Conti Temic Microelectronic GmbH
    • Michael BEUSCHEL
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ELECTRIC COMPRESSOR

    • Publication number 20180080447
    • Publication date Mar 22, 2018
    • HANON SYSTEMS
    • Hyun Seong Ahn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gear Pump

    • Publication number 20170335846
    • Publication date Nov 23, 2017
    • JTEKT Corporation
    • Naohito YOSHIDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    System and Method for Improved Performance of Gerotor Compressors a...

    • Publication number 20170321698
    • Publication date Nov 9, 2017
    • StarRotor Corporation
    • Mark T. Holtzapple
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll device having a pressure plate

    • Publication number 20170268514
    • Publication date Sep 21, 2017
    • Bryce R. Shaffer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fluid Ring Compressor

    • Publication number 20170130718
    • Publication date May 11, 2017
    • Sterling Industry Consult GmbH
    • Heiner Kösters
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID WORKING SYSTEMS

    • Publication number 20160327038
    • Publication date Nov 10, 2016
    • Danfoss Power Solutions GmbH & Co OHG
    • Elliott Gruber
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SHUNT PULSATION TRAP FOR POSITIVE-DISPLACEMENT MACHINERY

    • Publication number 20150361982
    • Publication date Dec 17, 2015
    • HI-BAR BLOWERS, INC.
    • Paul Xiubao HUANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR

    • Publication number 20150361981
    • Publication date Dec 17, 2015
    • Denso Corporation
    • Shigeru KAWANO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PULSATION DAMPENING ASSEMBLY

    • Publication number 20150300353
    • Publication date Oct 22, 2015
    • Emerson Climate Technologies, Inc.
    • Ajay UTPAT
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL-TYPE COMPRESSOR

    • Publication number 20150104342
    • Publication date Apr 16, 2015
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Jun YAMAZAKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...