TREA

of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth-equivalents than the outer member

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Industry

  • CPC
  • F04C2/22
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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 F04C2/00Rotary-piston machines or pumps

Current Industry

F04C2/22of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth-equivalents than the outer member
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    TURBO-COMPOUNDED ENGINE WITH EXHAUST DUCT ACOUSTIC ARRANGEMENT
    • Publication number 20240425192
    • Publication date Dec 26, 2024
    • Pratt & Whitney Canada Corp.
    • Sid-Ali MESLIOUI
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Sealing In Helical Trochoidal Rotary Machines
    • Publication number 20240280099
    • Publication date Aug 22, 2024
    • Rotoliptic Technologies Incorporated
    • Greg John Montie
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Sealing In Helical Trochoidal Rotary Machines
    • Publication number 20230098259
    • Publication date Mar 30, 2023
    • Rotoliptic Technologies Incorporated
    • Greg John Montie
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    FLUID TRANSFER APPARATUS
    • Publication number 20220127997
    • Publication date Apr 28, 2022
    • Korea Atomic Energy Research Institute
    • Yongkwon KOH
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY PISTON COMPRESSOR AND SYSTEM FOR TEMPERATURE CONDITIONING WI...
    • Publication number 20210285441
    • Publication date Sep 16, 2021
    • BorgWarner Inc.
    • Frank DAHINTEN
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    OIL PUMP
    • Publication number 20210164469
    • Publication date Jun 3, 2021
    • AISIN SEIKI KABUSHIKI KAISHA
    • Atsuo ISODA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP BODY ASSEMBLY, FLUID MACHINERY, AND HEAT EXCHANGE DEVICE
    • Publication number 20210156379
    • Publication date May 27, 2021
    • Yusheng HU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID TRANSFER APPARATUS
    • Publication number 20210123438
    • Publication date Apr 29, 2021
    • Korea Atomic Energy Research Institute
    • Yongkwon KOH
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Sealing In Helical Trochoidal Rotary Machines
    • Publication number 20210025392
    • Publication date Jan 28, 2021
    • Rotoliptic Technologies Incorporated
    • Greg John Montie
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Sealing In Helical Trochoidal Rotary Machines
    • Publication number 20200200174
    • Publication date Jun 25, 2020
    • Rotoliptic Technologies Incorporated
    • Greg John Montie
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC CIRCUIT
    • Publication number 20190390786
    • Publication date Dec 26, 2019
    • Honda Motor Co.,Ltd.
    • Tomoaki MUKAI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor for a Utility Vehicle
    • Publication number 20190309747
    • Publication date Oct 10, 2019
    • Knorr-Bremse Systeme fuer Nutzfahrzeuge GmbH
    • Gilles HEBRARD
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY PUMP DRIVEN MEDICAMENT DELIVERY DEVICE
    • Publication number 20190085843
    • Publication date Mar 21, 2019
    • Haselmeier AG
    • Jochen Gabriel
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Mud Pump and Vacuum Gas Extraction System
    • Publication number 20180333658
    • Publication date Nov 22, 2018
    • BAKER HUGHES, A GE COMPANY, LLC
    • Brian Ochoa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT GEAR PUMP
    • Publication number 20180223839
    • Publication date Aug 9, 2018
    • Soon Gil JANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Mud Pump and Vacuum Gas Extraction System
    • Publication number 20170259192
    • Publication date Sep 14, 2017
    • BAKER HUGHES INCORPORATED
    • Brian Ochoa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY-PISTON PUMP
    • Publication number 20170189593
    • Publication date Jul 6, 2017
    • Johannes WAPPENSCHMIDT
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GAS COMPRESSOR
    • Publication number 20150132168
    • Publication date May 14, 2015
    • CALSONIC KANSEI CORPORATION
    • Masahiro Tsuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PORTABLE FUEL PUMP
    • Publication number 20150110658
    • Publication date Apr 23, 2015
    • TUTHILL CORPORATION
    • JACOB J. BERRY
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Displacement Pump for Pumping Flowable Viscous Materials
    • Publication number 20140301878
    • Publication date Oct 9, 2014
    • Watson-Marlow GmbH
    • Sven-Eric Will
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TROCHOIDAL ROTARY DEVICE
    • Publication number 20140134035
    • Publication date May 15, 2014
    • Cameron International Corporation
    • Omar M. Kabir
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP WITH A RESILIENT SEAL
    • Publication number 20120034122
    • Publication date Feb 9, 2012
    • PDD INNOVATIONS LIMITED
    • Richard Paul Hayes-Pankhurst
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    WEAR PLATE KIT FOR BRASS WATER PUMP
    • Publication number 20110262288
    • Publication date Oct 27, 2011
    • Jeffrey Leaverton
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pump, Especially Slurry Pump
    • Publication number 20080274000
    • Publication date Nov 6, 2008
    • Herbert Jung
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Pumps
    • Publication number 20060051228
    • Publication date Mar 9, 2006
    • Richard P. Hayes-Pankhurst
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Application

    Piston rotary pump of variable flow
    • Publication number 20050249624
    • Publication date Nov 10, 2005
    • Omar Arturo Guerrico
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...