TREA

Arrangements for admission or discharge of the working fluid

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  • F04C15/06
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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 F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00

Current Industry

F04C15/06Arrangements for admission or discharge of the working fluid
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Club-shaped liquid pump
    • Patent number 12,366,247
    • Issue date Jul 22, 2025
    • HDU-TIANTAI DIGITAL INDUSTRY RESEARCH INSTITUTE HANGZHOU DIANZI UNIVERSITY
    • Jing Xu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid circulating apparatus
    • Patent number 12,345,260
    • Issue date Jul 1, 2025
    • COAVIS
    • Hyun Tae Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electromotive oil pump comprising a non-return valve
    • Patent number 12,305,639
    • Issue date May 20, 2025
    • Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg
    • Stephan Roos
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor and refrigeration apparatus
    • Patent number 12,297,830
    • Issue date May 13, 2025
    • Daikin Industries, Ltd.
    • Taiga Arakane
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable-capacity oil pump
    • Patent number 12,297,829
    • Issue date May 13, 2025
    • Hitachi Astemo, Ltd.
    • Daisuke Kato
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump to generate a negative pressure
    • Patent number 12,292,050
    • Issue date May 6, 2025
    • Gebr. Becker GmbH
    • Denko Popovac
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil pump
    • Patent number 12,286,970
    • Issue date Apr 29, 2025
    • Hitachi Astemo, Ltd.
    • Daisuke Kato
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Electronic positive displacement fluid pump with motor cooling and...
    • Patent number 12,264,673
    • Issue date Apr 1, 2025
    • PHINIA JERSEY HOLDINGS LLC
    • Alejandro Moreno
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement gerotor pump
    • Patent number 12,228,132
    • Issue date Feb 18, 2025
    • Soon Gil Jang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Multi-chamber configuration for hydraulic vane device
    • Patent number 12,196,085
    • Issue date Jan 14, 2025
    • Mathers Hydraulics Technologies Pty Ltd
    • Norman Ian Mathers
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Flow channeling structure
    • Patent number 12,180,958
    • Issue date Dec 31, 2024
    • Schwabische Huttenwerke Automotive GmbH
    • Moritz Raatschen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multistage compressor system with intercooler
    • Patent number 12,163,518
    • Issue date Dec 10, 2024
    • Mark W. Wood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Internal gear fluid machine with connection channel in each of two...
    • Patent number 12,163,519
    • Issue date Dec 10, 2024
    • Eckerle Technologies GmbH
    • Alexander Goss
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid containing gas bubbles production apparatus
    • Patent number 12,145,116
    • Issue date Nov 19, 2024
    • KYB Corporation
    • Akihisa Oota
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Integrated cooling module
    • Patent number 12,140,069
    • Issue date Nov 12, 2024
    • COAVIS
    • Hyun Tae Lee
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Pump system
    • Patent number 12,129,849
    • Issue date Oct 29, 2024
    • Laverne Schumann
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Progressive cavity pump
    • Patent number 12,117,004
    • Issue date Oct 15, 2024
    • PROTEC CO., LTD.
    • Keon Hee Kim
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Flexible crescent for low pressure fuel pump
    • Patent number 12,117,003
    • Issue date Oct 15, 2024
    • Cummins Inc.
    • Amol Yashwant Alsundkar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vapor injection structure for a compressor
    • Patent number 12,098,719
    • Issue date Sep 24, 2024
    • HANON SYSTEMS
    • Pete Ganster
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fuel pump with determinant translating cam arrangement
    • Patent number 12,092,103
    • Issue date Sep 17, 2024
    • EATON INTELLIGENT POWER LIMITED
    • Martin Augustine Clements
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw spindle pump
    • Patent number 12,078,166
    • Issue date Sep 3, 2024
    • LEISTRITZ PUMPEN GMBH
    • Jürgen Metz
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Screw pump and integrated cooling module including the same
    • Patent number 12,078,170
    • Issue date Sep 3, 2024
    • COAVIS
    • Hyuntae Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric pump including a motor unit and an axially extending attac...
    • Patent number 12,038,006
    • Issue date Jul 16, 2024
    • NIDEC TOSOK CORPORATION
    • Nan Wu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pump with a multi-layered bead gasket
    • Patent number 12,031,629
    • Issue date Jul 9, 2024
    • Schwabische Huttenwerke Automotive GmbH
    • Uwe Meinig
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Electric pump
    • Patent number 12,025,124
    • Issue date Jul 2, 2024
    • NIDEC TOSOK CORPORATION
    • Nan Wu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic device configured as a starter motor
    • Patent number 11,994,094
    • Issue date May 28, 2024
    • Mathers Hydraulics Technologies Pty Ltd
    • Norman Ian Mathers
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pump device
    • Patent number 11,982,270
    • Issue date May 14, 2024
    • Mikuni Corporation
    • Yasuhiro Ino
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump with a notch provided at a suction port
    • Patent number 11,982,273
    • Issue date May 14, 2024
    • KYB Corporation
    • Kazunari Suzuki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Internal gear fluid machine
    • Patent number 11,971,033
    • Issue date Apr 30, 2024
    • Eckerle Technologies GmbH
    • Alexander Goss
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane rotary compressor with pressure reducing member inserted into...
    • Patent number 11,971,032
    • Issue date Apr 30, 2024
    • LG Electronics Inc.
    • Kiyoul Noh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    PROGRESSIVE CAVITY PUMP WITH PUMP RADIALLY WITHIN ELECTRIC MOTOR
    • Publication number 20250237214
    • Publication date Jul 24, 2025
    • Graco Minnesota Inc.
    • Mark D. Shultz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP OR GEAR MOTOR
    • Publication number 20250207585
    • Publication date Jun 26, 2025
    • DAIKIN INDUSTRIES, LTD.
    • Koji WATARIDACHI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID PUMP FOR AN AIRCRAFT TURBOMACHINE, LUBRICATION CIRCUIT AND AI...
    • Publication number 20250198309
    • Publication date Jun 19, 2025
    • SAFRAN AERO BOOSTERS
    • Quentin BORLON
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary Pump
    • Publication number 20250198405
    • Publication date Jun 19, 2025
    • ECO Holding 1 GmbH
    • Dietmar Schulze
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CLUB-SHAPED LIQUID PUMP
    • Publication number 20250188926
    • Publication date Jun 12, 2025
    • HDU-TIANTAI DIGITAL INDUSTRY RESEARCH INSTITUTE HANGZHOU DIANZI UNIVERSITY
    • JING XU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Liquid Polymer Dosing and Mixing Chamber with an External Actuator
    • Publication number 20250177937
    • Publication date Jun 5, 2025
    • Adalberto Mercado Alvarado
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    ROTOR PUMP WITH DUAL-SIDED INLETS
    • Publication number 20250163911
    • Publication date May 22, 2025
    • Joby Aero, Inc.
    • Robert Ramm
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    EXTERNAL GEAR PUMP
    • Publication number 20250163912
    • Publication date May 22, 2025
    • Farhad Sedri
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MIXING CHAMBER FOR GENERATING A PUMP CHARGE
    • Publication number 20250163913
    • Publication date May 22, 2025
    • ZF Friedrichshafen AG
    • Bastian Feyrer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP AND METHOD FOR ADJUSTING THE DELIVERY RATE OF A PUMP
    • Publication number 20250137455
    • Publication date May 1, 2025
    • ITT Bornemann GmbH
    • Eike Steffen Korte
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY PISTON MACHINE
    • Publication number 20250116223
    • Publication date Apr 10, 2025
    • Chandra Shekhar NARASIMHAN
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    GEROTOR PUMP
    • Publication number 20250059971
    • Publication date Feb 20, 2025
    • HANON SYSTEMS EFP DEUTSCHLAND GMBH
    • Thilo Mauser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gerotor Pump And Motor/Pump Unit
    • Publication number 20250059973
    • Publication date Feb 20, 2025
    • Thomas Magnete GmbH
    • Louis KAMMERL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AUTOMOTIVE ELECTRIC LIQUID PUMP
    • Publication number 20250059970
    • Publication date Feb 20, 2025
    • PIERBURG PUMP TECHNOLOGY GMBH
    • FEDERICO BETTI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONDENSATE PUMP ASSEMBLY
    • Publication number 20240401590
    • Publication date Dec 5, 2024
    • Aspen Pumps Limited
    • Mark Potter
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Variable-Capacity Oil Pump
    • Publication number 20240352932
    • Publication date Oct 24, 2024
    • Hitachi Astemo, Ltd.
    • Daisuke KATO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Oil Pump
    • Publication number 20240344515
    • Publication date Oct 17, 2024
    • Hitachi Astemo, Ltd.
    • Daisuke KATO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM SYSTEM HAVING CONDENSER AND ROOT VACUUM PUMP SET
    • Publication number 20240328417
    • Publication date Oct 3, 2024
    • ELIVAC CO., LTD.
    • Raymond Zhou Shaw
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRONIC POSITIVE DISPLACEMENT FLUID PUMP WITH MOTOR COOLING AND...
    • Publication number 20240328415
    • Publication date Oct 3, 2024
    • DELPHI TECHNOLOGIES IP LIMITED
    • Alejandro Moreno
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Reversible Reciprocating Pump
    • Publication number 20240280101
    • Publication date Aug 22, 2024
    • Quidnet Energy Inc.
    • Howard K. Schmidt
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    VAPOR INJECTION STRUCTURE FOR A COMPRESSOR
    • Publication number 20240280102
    • Publication date Aug 22, 2024
    • HANON SYSTEMS
    • Pete Ganster
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR AND REFRIGERATION APPARATUS
    • Publication number 20240271620
    • Publication date Aug 15, 2024
    • DAIKIN INDUSTRIES, LTD.
    • Taiga ARAKANE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTEGRATED COOLING MODULE
    • Publication number 20240263576
    • Publication date Aug 8, 2024
    • COAVIS
    • Hyun Tae LEE
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Gear Pump
    • Publication number 20240254988
    • Publication date Aug 1, 2024
    • NIDEC GPM GmbH
    • Franz PAWELLEK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMPS
    • Publication number 20240240636
    • Publication date Jul 18, 2024
    • Richard Paul Hayes-Pankhurst
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON COMPRESSOR, IN PARTICULAR RADIAL PISTON COMPRESSOR
    • Publication number 20240229791
    • Publication date Jul 11, 2024
    • thyssenkrupp Dynamic Components GmbH
    • Soeren GELKE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CHECK VALVE AND HYDRAULIC GEROTOR OR GEROLER MACHINE
    • Publication number 20240142009
    • Publication date May 2, 2024
    • Danfoss A/S
    • Jayant Subhash Bagri
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PUMP DEVICE
    • Publication number 20240084799
    • Publication date Mar 14, 2024
    • Mikuni Corporation
    • Norio TAKEHANA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC PUMP SYSTEM AND METHOD
    • Publication number 20240060490
    • Publication date Feb 22, 2024
    • Tesla, Inc.
    • Scott Michael Graves
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Apparatus and Method for Regulating a Delivery Volume of a Displace...
    • Publication number 20240035469
    • Publication date Feb 1, 2024
    • Pump Technology Solutions PS GmbH
    • Martin Heilig
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...