EP3938641A4 - Fuel injection system for a vehicle - Google Patents

Fuel injection system for a vehicle Download PDF

Info

Publication number
EP3938641A4
EP3938641A4 EP20770880.1A EP20770880A EP3938641A4 EP 3938641 A4 EP3938641 A4 EP 3938641A4 EP 20770880 A EP20770880 A EP 20770880A EP 3938641 A4 EP3938641 A4 EP 3938641A4
Authority
EP
European Patent Office
Prior art keywords
vehicle
fuel injection
injection system
fuel
injection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20770880.1A
Other languages
German (de)
French (fr)
Other versions
EP3938641A1 (en
Inventor
Ram Krishnan SRI GIRI RAGHAVENDRA
Anukkavoor Subramanian Anbukkarasu
Gutti Gnana Kotaiah
Venugopalan Pattabiraman
Kannan PRABHU
Balakrishnan Sadesh
Ranganathan VINOTH BALARAM
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TVS Motor Co Ltd
Original Assignee
TVS Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TVS Motor Co Ltd filed Critical TVS Motor Co Ltd
Publication of EP3938641A1 publication Critical patent/EP3938641A1/en
Publication of EP3938641A4 publication Critical patent/EP3938641A4/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0639—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels
    • F02D19/0642—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02D19/0686—Injectors
    • F02D19/0694—Injectors operating with a plurality of fuels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0027—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures the fuel being gaseous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1035—Details of the valve housing
    • F02D9/105—Details of the valve housing having a throttle position sensor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1035—Details of the valve housing
    • F02D9/1055—Details of the valve housing having a fluid by-pass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
    • F02M21/0239—Pressure or flow regulators therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/04—Gas-air mixing apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
    • F02M35/10216—Fuel injectors; Fuel pipes or rails; Fuel pumps or pressure regulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10373—Sensors for intake systems
    • F02M35/1038—Sensors for intake systems for temperature or pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/04—Injectors peculiar thereto
    • F02M69/042—Positioning of injectors with respect to engine, e.g. in the air intake conduit
    • F02M69/044—Positioning of injectors with respect to engine, e.g. in the air intake conduit for injecting into the intake conduit downstream of an air throttle valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M71/00—Combinations of carburettors and low-pressure fuel-injection apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/021—Engine temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0404—Throttle position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0406—Intake manifold pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0414—Air temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
    • F02D2200/101—Engine speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
EP20770880.1A 2019-03-09 2020-02-05 Fuel injection system for a vehicle Pending EP3938641A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN201941009236 2019-03-09
PCT/IN2020/050113 WO2020183485A1 (en) 2019-03-09 2020-02-05 Fuel injection system for a vehicle

Publications (2)

Publication Number Publication Date
EP3938641A1 EP3938641A1 (en) 2022-01-19
EP3938641A4 true EP3938641A4 (en) 2022-12-07

Family

ID=72426357

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20770880.1A Pending EP3938641A4 (en) 2019-03-09 2020-02-05 Fuel injection system for a vehicle

Country Status (6)

Country Link
EP (1) EP3938641A4 (en)
CN (1) CN113454326A (en)
CO (1) CO2021009518A2 (en)
MX (1) MX2021010020A (en)
PE (1) PE20212382A1 (en)
WO (1) WO2020183485A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023275886A1 (en) * 2021-06-30 2023-01-05 Tvs Motor Company Limited Frame structure for a soft-top assembly of a vehicle and vehicle thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3330543A (en) * 1964-10-12 1967-07-11 Sibe Liquid fuel feed devices for internal combustion engines
US5076244A (en) * 1987-11-25 1991-12-31 Gas Outboards International Pty., Ltd. Fuel injector
EP0674100A1 (en) * 1994-03-22 1995-09-27 MAGNETI MARELLI S.p.A. System for operating and controlling actuators, sensors and devices installed in the bodywork of a vehicle, in an engine of the vehicle, and in an air intake assembly
DE19539734A1 (en) * 1994-10-31 1996-05-02 Nippon Denso Co Idling revs control device for IC engine
US5596957A (en) * 1994-08-17 1997-01-28 Toyota Jidosha Kabushiki Kaisha Engine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4305826B2 (en) * 2003-02-26 2009-07-29 トヨタ自動車株式会社 Bi-fuel engine and control method thereof
JP2005240675A (en) * 2004-02-26 2005-09-08 Toyota Motor Corp Protection control method of gaseous fuel injection valve of bifuel cylinder direct injection engine
JP4918304B2 (en) * 2006-08-02 2012-04-18 株式会社クボタ Multi-cylinder dual fuel engine
CN201096015Y (en) * 2007-10-29 2008-08-06 重庆重客工贸发展有限公司 Dual-purpose fuel motorcycle
CN201140756Y (en) * 2007-11-20 2008-10-29 重庆重客工贸发展有限公司 Dual-purpose fuel motor tricycle
US8333366B2 (en) * 2010-03-08 2012-12-18 Briggs & Stratton Corporation Carburetor including one-piece fuel-metering insert
US20130220270A1 (en) * 2010-05-24 2013-08-29 Village Road Co., Ltd. Retrofit gas fuel supply kit retrofittable to internal combustion engine using liquid fuel
US9371786B2 (en) * 2011-08-24 2016-06-21 Walbro Llc Fuel injected engine system
US9334813B2 (en) * 2013-01-31 2016-05-10 Electro-Motive Diesel, Inc. Control system for a dual-fuel engine
US10294884B2 (en) * 2014-12-09 2019-05-21 Ge Global Sourcing Llc System for controlling injection of fuel in engine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3330543A (en) * 1964-10-12 1967-07-11 Sibe Liquid fuel feed devices for internal combustion engines
US5076244A (en) * 1987-11-25 1991-12-31 Gas Outboards International Pty., Ltd. Fuel injector
EP0674100A1 (en) * 1994-03-22 1995-09-27 MAGNETI MARELLI S.p.A. System for operating and controlling actuators, sensors and devices installed in the bodywork of a vehicle, in an engine of the vehicle, and in an air intake assembly
US5596957A (en) * 1994-08-17 1997-01-28 Toyota Jidosha Kabushiki Kaisha Engine
DE19539734A1 (en) * 1994-10-31 1996-05-02 Nippon Denso Co Idling revs control device for IC engine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020183485A1 *

Also Published As

Publication number Publication date
CO2021009518A2 (en) 2021-10-29
CN113454326A (en) 2021-09-28
MX2021010020A (en) 2021-11-17
PE20212382A1 (en) 2021-12-23
WO2020183485A1 (en) 2020-09-17
EP3938641A1 (en) 2022-01-19

Similar Documents

Publication Publication Date Title
EP4045820C0 (en) A powertrain for a vehicle
EP3746650A4 (en) A distributed hho precision injection system
EP3863878A4 (en) Integrated fuel storage system
CA186575S (en) Fuel tank for a vehicle
EP3759008B8 (en) Trailer angle determination system for a vehicle
EP4013925A4 (en) Autonomic system for transferring a vehicle
EP3496966A4 (en) A fuel tank attaching structure for a motor vehicle
EP4022425A4 (en) Flexible battery system for a vehicle
EP3853048A4 (en) Control system for a towed vehicle
EP4006329A4 (en) Fuel tank system
EP3948761A4 (en) An interactive system for a vehicle
EP3994020C0 (en) A fuel gas system for a vehicle
EP3449175A4 (en) An arrangement for a liquefied gas fuel system for a vehicle
EP3797054A4 (en) Lift-assisted rack for a vehicle
EP3743927A4 (en) Dual-criterion fuel canister system
EP3803071A4 (en) Movable emission control system for auxiliary diesel engines
EP3938641A4 (en) Fuel injection system for a vehicle
EP4075553A4 (en) Fuel cell system
EP3984900A4 (en) Fuel tank
EP3740420A4 (en) Track system for a vehicle
EP3774645A4 (en) Oxygen injection system for a direct reduction process
GB2585911B (en) A liquid injection system for a vehicle
GB2582551B (en) A control module for a vehicle powertrain
GB2575091B (en) Controller for a fuel injection system
GB201818718D0 (en) Engine system for a vehicle

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20210830

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20221104

RIC1 Information provided on ipc code assigned before grant

Ipc: F02M 21/04 20060101ALI20221028BHEP

Ipc: F02D 41/14 20060101ALI20221028BHEP

Ipc: F02D 41/00 20060101ALI20221028BHEP

Ipc: F02D 19/06 20060101ALI20221028BHEP

Ipc: F02M 69/04 20060101ALI20221028BHEP

Ipc: F02D 9/10 20060101ALI20221028BHEP

Ipc: F02M 35/10 20060101ALI20221028BHEP

Ipc: F02M 71/00 20060101ALI20221028BHEP

Ipc: F02M 21/02 20060101AFI20221028BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS