SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF

Industry

  • CPC
  • F02M

Sub Industries

F02M1/00Carburettors with means for facilitating engine's starting or its idling below operational temperatures F02M11/00Multi-stage carburettors, Register-type carburettors F02M13/00Arrangements of two or more separate carburettors Carburettors using more than one fuel F02M15/00Carburettors with heating, cooling, or thermal insulating means for combustion-air, fuel, or fuel-air mixture F02M17/00Carburettors having pertinent characteristics not provided for in, or of interest apart from, the apparatus of preceding main groups F02M19/00Details, component parts, or accessories of carburettors, not provided for in, or of interest apart from, the apparatus of groups F02M1/00 - F02M17/00 F02M21/00Apparatus for supplying engines with non-liquid fuels F02M2200/00Details of fuel-injection apparatus, not otherwise provided for F02M23/00Apparatus for adding secondary air to fuel-air mixture F02M25/00Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel, or fuel-air mixture F02M2547/00Special features for fuel-injection valves actuated by fluid pressure F02M26/00Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture F02M27/00Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like F02M2700/00Supplying, feeding or preparing air, fuel, fuel air mixtures or auxiliary fluids for a combustion engine Use of exhaust gas Compressors for piston engines F02M29/00Apparatus for re-atomising condensed fuel or homogenising fuel-air mixture F02M3/00Idling devices F02M31/00Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture F02M33/00Other apparatus for treating combustion-air, fuel, or fuel-air mixture F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines F02M37/00Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines F02M39/00Arrangements of fuel-injection apparatus with respect to engines Pump drives adapted to such arrangements F02M41/00Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor F02M43/00Fuel-injection apparatus operating simultaneously on two or more fuels or on a liquid fuel and another liquid F02M45/00Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship F02M47/00Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure F02M49/00Fuel-injection apparatus in which injection pumps are driven or injectors are actuated, by the pressure in engine working cylinders, or by impact of engine working piston F02M5/00Float-controlled apparatus for maintaining a constant fuel level F02M51/00Fuel-injection apparatus characterised by being operated electrically F02M53/00Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means F02M55/00Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00 F02M57/00Fuel-injectors combined or associated with other devices F02M59/00Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 - F02M57/00 F02M61/00Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 F02M63/00Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices F02M65/00Testing fuel-injection apparatus F02M67/00Apparatus in which fuel-injection is effected by means of high-pressure gas, the gas carrying the fuel into working cylinders of the engine F02M69/00Low-pressure fuel-injection apparatus; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel F02M7/00Carburettors with means for influencing F02M71/00Combinations of carburettors and low-pressure fuel-injection apparatus F02M9/00Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type Carburettors having fuel-air mixing chambers of variable shape or position F02M99/00Subject matter not provided for in other groups of this subclass

Patents Grantslast 30 patents

  • Information Patent Grant

    Off-road vehicle air intake system

    • Patent number 12,146,460
    • Issue date Nov 19, 2024
    • Bombardier Recreational Products Inc.
    • Mathieu Duquette
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Air warmer

    • Patent number 12,146,507
    • Issue date Nov 19, 2024
    • ICU Medical, Inc.
    • Benjamin James Peterson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Impending bypass switch with magnetic sensor

    • Patent number 12,145,089
    • Issue date Nov 19, 2024
    • Pratt & Whitney Canada Corp.
    • Issam Al-Khairy
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fuel filter

    • Patent number 12,145,090
    • Issue date Nov 19, 2024
    • Mahle International GmbH
    • Michael Braunheim
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Methods for measuring fuel quantity during multipulse fuel injectio...

    • Patent number 12,146,451
    • Issue date Nov 19, 2024
    • Cummins Inc.
    • David Michael Carey
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Control device for fuel vapor treatment apparatus

    • Patent number 12,146,456
    • Issue date Nov 19, 2024
    • Toyota Jidosha Kabushiki Kaisha
    • Yuusaku Nishimura
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    System and method for management of multiple exhaust gas recirculat...

    • Patent number 12,146,457
    • Issue date Nov 19, 2024
    • Innio Waukesha Gas Engines Inc.
    • Lorne Eugene Nix
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Dual valve fuel metering systems

    • Patent number 12,146,461
    • Issue date Nov 19, 2024
    • Hamilton Sundstrand Corporation
    • Sachin Ramprashad
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Nozzle cap for a fuel injection nozzle operable in a hydrogen inter...

    • Patent number 12,146,455
    • Issue date Nov 19, 2024
    • Volvo Truck Corporation
    • Jan Eismark
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Valve of a fuel injector

    • Patent number 12,146,462
    • Issue date Nov 19, 2024
    • LIEBHERR-COMPONENTS DEGGENDORF GMBH
    • Richard Pirkl
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    EGR pump system and control method of EGR pump

    • Patent number 12,146,458
    • Issue date Nov 19, 2024
    • EATON INTELLIGENT POWER LIMITED
    • Sarah Elizabeth Behringer
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    System and method for cleaning a grille of a work vehicle

    • Patent number 12,146,459
    • Issue date Nov 19, 2024
    • CNH Industrial America LLC
    • Samrendra Singh
    • B08 - CLEANING
  • Information Patent Grant

    Internal combustion engine

    • Patent number 12,140,110
    • Issue date Nov 12, 2024
    • Honda Motor Co., Ltd.
    • Wataru Yamazaki
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    System, vehicle and method for lubricating a hydrogen injector in a...

    • Patent number 12,140,114
    • Issue date Nov 12, 2024
    • Hyundai Motor Company
    • Roman Pelzetter
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Adsorbent for canister

    • Patent number 12,138,577
    • Issue date Nov 12, 2024
    • Nippon Paper Industries Co Ltd
    • Daisuke Imai
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Canister

    • Patent number 12,138,578
    • Issue date Nov 12, 2024
    • Futaba Industrial Co., Ltd.
    • Shogo Minezawa
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Exhaust treatment system for dual fuel engines

    • Patent number 12,140,063
    • Issue date Nov 12, 2024
    • BASF Mobile Emissions Catalysts LLC
    • Shiang Sung
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Engine

    • Patent number 12,140,071
    • Issue date Nov 12, 2024
    • YANMAR HOLDINGS CO., LTD.
    • Yu Hirao
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Method and device for operating an internal combustion engine

    • Patent number 12,140,094
    • Issue date Nov 12, 2024
    • Robert Bosch GmbH
    • Christian Disch
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Mass airflow sensor and hydrocarbon trap combination

    • Patent number 12,140,111
    • Issue date Nov 12, 2024
    • K & N Engineering, Inc.
    • Kevin McClelland
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Fuel injection valve for internal combustion engines

    • Patent number 12,140,112
    • Issue date Nov 12, 2024
    • Ganser-Hydromag AG
    • Marco Ganser
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Mechanical renewable green energy production

    • Patent number 12,140,195
    • Issue date Nov 12, 2024
    • PHOS GLOBAL ENERGY SOLUTIONS, INC.
    • Victor Bica
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Utility vehicle

    • Patent number 12,139,007
    • Issue date Nov 12, 2024
    • Kawasaki Motors, Ltd.
    • Atsushi Tajima
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Water management system for a hydrogen engine

    • Patent number 12,140,068
    • Issue date Nov 12, 2024
    • Hyundai Motor Company
    • Seon Woo Boo
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engine

    • Patent number 12,140,099
    • Issue date Nov 12, 2024
    • SUBARU CORPORATION
    • Shinji Wakamoto
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Electromagnetic valve mechanism and fuel pump

    • Patent number 12,140,113
    • Issue date Nov 12, 2024
    • Hitachi Astemo, Ltd.
    • Takafumi Ito
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Self-cleaning air filtration apparatus and method

    • Patent number 12,134,065
    • Issue date Nov 5, 2024
    • THE SY-KLONE COMPANY, LLC
    • Eric L. Ehrenberg
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fuel injection valve

    • Patent number 12,135,001
    • Issue date Nov 5, 2024
    • Hitachi Astemo, Ltd.
    • Takaki Itaya
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Highly accurate continuous-flow vaporized fuel supply for large dyn...

    • Patent number 12,134,999
    • Issue date Nov 5, 2024
    • EControls, LLC
    • Michael W Walser
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel filter

    • Patent number 12,135,000
    • Issue date Nov 5, 2024
    • UFI Filters S.p.A.
    • Giorgio Girondi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    SNOWMOBILE

    • Publication number 20240384694
    • Publication date Nov 21, 2024
    • Bombardier Recreational Products Inc.
    • Rene LEMIEUX
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    FILTER ELEMENT, HOUSING FOR A FILTER SYSTEM, AND FILTER SYSTEM COMP...

    • Publication number 20240382885
    • Publication date Nov 21, 2024
    • Mann + Hummel GmbH
    • Pascal Neef
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    GENERATOR

    • Publication number 20240384695
    • Publication date Nov 21, 2024
    • Honda Motor Co., Ltd.
    • Yoshihiro Matsunaga
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    OVERMOLDED COIL ASSEMBLY FOR A FUEL PUMP

    • Publication number 20240384711
    • Publication date Nov 21, 2024
    • DELPHI TECHNOLOGIES IP LIMITED
    • Oscar Daniel Espinoza Fang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SUPPLY AIR DEMISTER

    • Publication number 20240382881
    • Publication date Nov 21, 2024
    • Mitsubishi Heavy Industries, Ltd.
    • Yoshiaki ARAKAWA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Hydrogen Direct Injection System and Method for Lubricating a Fuel...

    • Publication number 20240376852
    • Publication date Nov 14, 2024
    • Hyundai Motor Company
    • Ulrich Karrer
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    PLASMA ELECTROLYTIC POLISHED DIESEL ENGINE COMPONENTS

    • Publication number 20240376628
    • Publication date Nov 14, 2024
    • Cummins Inc.
    • Manoj M. Thete
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    FUEL INJECTOR OF AN INTERNAL COMBUSTION ENGINE AND INTERNAL COMBUST...

    • Publication number 20240369033
    • Publication date Nov 7, 2024
    • MAN Energy Solutions SE
    • Thomas ATZKERN
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    APPARATUS AND METHOD FOR PRESSURIZING AND SUPPLYING GASEOUS FUEL TO...

    • Publication number 20240369024
    • Publication date Nov 7, 2024
    • Westport Fuel Systems Canada Inc.
    • Ashish Singh
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ENGINE CONTROL DEVICE AND ENGINE CONTROL METHOD

    • Publication number 20240369027
    • Publication date Nov 7, 2024
    • Yamabiko Corporation
    • Minoru KUROIWA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SINGLE STAGE HIGH EFFICIENCY VAPOR MANAGEMENT VALVE

    • Publication number 20240369030
    • Publication date Nov 7, 2024
    • Eaton Intelligent Power Limited
    • Raymond Bruce Mclauchlan
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    FUEL INJECTOR OF AN INTERNAL COMBUSTION ENGINE AND COMBUSTION ENGINE

    • Publication number 20240369032
    • Publication date Nov 7, 2024
    • MAN Energy Solutions SE
    • Thomas ATZKERN
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    VEHICLE AIRFLOW SYSTEM

    • Publication number 20240369031
    • Publication date Nov 7, 2024
    • Arctic Cat Inc.
    • Brent Thomas Gilge
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    IMPROVED HYDROGEN INJECTION SYSTEM HAVING TWO GAS INJECTORS PER COM...

    • Publication number 20240369029
    • Publication date Nov 7, 2024
    • ROBERT BOSCH GmbH
    • Matthias Boee
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    CATALYST STRUCTURE, FUEL REFORMING METHOD, AND FUEL REFORMING SYSTEM

    • Publication number 20240367969
    • Publication date Nov 7, 2024
    • N. E. CHEMCAT CORPORATION
    • Kunihiro KOJIMA
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    OFF-ROAD VEHICLE

    • Publication number 20240359551
    • Publication date Oct 31, 2024
    • Arctic Cat Inc.
    • Ethan Klaphake
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    FUEL INJECTOR SEAT REPAIR AND RECONDITIONING TOOL

    • Publication number 20240360805
    • Publication date Oct 31, 2024
    • Milton Industries, Inc.
    • Jeffrey Del Rossa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    High-Pressure Fuel Pump

    • Publication number 20240360807
    • Publication date Oct 31, 2024
    • ROBERT BOSCH GmbH
    • Thomas Froihofer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    THERMAL MANAGEMENT OF AN INTERNAL COMBUSTION ENGINE

    • Publication number 20240360799
    • Publication date Oct 31, 2024
    • PERKINS ENGINES COMPANY LIMITED
    • Anthony James Vaughan White
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    System, Vehicle and Method for Lubricating a Hydrogen Injector in a...

    • Publication number 20240360809
    • Publication date Oct 31, 2024
    • Hyundai Motor Company
    • Roman Pelzetter
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    SYSTEMS AND METHODS FOR THE ON-BOARD PRODUCTION OF HYDROGEN FROM AM...

    • Publication number 20240360804
    • Publication date Oct 31, 2024
    • First Ammonia Motors, Inc.
    • James L. Wall
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    INTAKE RUNNER FOR GASEOUS FUEL ENGINE, SYSTEM, AND METHOD

    • Publication number 20240360806
    • Publication date Oct 31, 2024
    • Caterpillar Inc.
    • Jaswinder Singh
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    FUEL INJECTOR OF AN INTERNAL COMBUSTION ENGINE AND INTERNAL COMBUST...

    • Publication number 20240360808
    • Publication date Oct 31, 2024
    • MAN Energy Solutions SE
    • Björn DIRUMDAM
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    INTEGRATED MANIFOLD FOR PRE-CLEANER DUST REMOVAL

    • Publication number 20240359122
    • Publication date Oct 31, 2024
    • Caterpillar Inc.
    • Philip C. Spengler
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Application

    FUEL SYSTEM FOR A POWER PLANT

    • Publication number 20240352908
    • Publication date Oct 24, 2024
    • PHINIA DELPHI LUXEMBOURG SARL
    • Diego GUERRATO
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    AIR WARMER

    • Publication number 20240352947
    • Publication date Oct 24, 2024
    • SMITHS MEDICAL ASD, INC.
    • Benjamin James Peterson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    A CONTROL METHOD FOR AN AIR INTAKE INTERCOOLER OF AN ENGINE AND A C...

    • Publication number 20240352886
    • Publication date Oct 24, 2024
    • Weichai Power Co., Ltd.
    • Ling BAI
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    METHOD AND SYSTEM FOR DIAGNOSING WORKING CAPACITY OF CARBON FILLED...

    • Publication number 20240352909
    • Publication date Oct 24, 2024
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • Aed Dudar
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    CANISTER

    • Publication number 20240352910
    • Publication date Oct 24, 2024
    • FUTABA INDUSTRIAL CO., LTD.
    • Kyohei Yamaguchi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    MOTOR ROTOR WITH INNER SLEEVE

    • Publication number 20240356407
    • Publication date Oct 24, 2024
    • IHI Corporation
    • Shun NAKAYAMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...