with fuel injection at least into pre-combustion chamber

Industry

CPC
F02B19/108

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F02Combustion engines F02BINTERNAL-COMBUSTION PISTON ENGINES COMBUSTION ENGINES IN GENERAL F02B19/00Engines characterised by precombustion chambers

Current Industry

F02B19/108with fuel injection at least into pre-combustion chamber

Industries

Patents Grantslast 30 patents

Information Patent Grant
Prechamber ignited engine and operating methods therefor
- Patent number 12,168,952
- Issue date Dec 17, 2024
- Caterpillar Inc.
- Charlie Chang-Won Kim
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Internal combustion engine and ignition system with a pre-chamber
- Patent number 12,110,818
- Issue date Oct 8, 2024
- ERFINDER TECHNOLOGIES LIMITED
- Andrew John Robinson
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Systems and methods for reducing evaporative emissions via pre-cham...
- Patent number 12,025,068
- Issue date Jul 2, 2024
- Ford Global Technologies, LLC
- Aed Dudar
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Ammonia-hydrogen blended fuel control system based on reactivity re...
- Patent number 11,885,259
- Issue date Jan 30, 2024
- Tianjin University
- Lei Zhou
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Engine
- Patent number 11,834,981
- Issue date Dec 5, 2023
- Mazda Motor Corporation
- Yuji Harada
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Purge device for passive or active prechambers
- Patent number 11,773,764
- Issue date Oct 3, 2023
- SAUDI ARABIAN OIL COMPANY
- Nayan Engineer
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Multiple combustion mode engine with ammonia fuel and control metho...
- Patent number 11,761,393
- Issue date Sep 19, 2023
- Tianjin University
- Lei Zhou
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Engine
- Patent number 11,753,985
- Issue date Sep 12, 2023
- Mazda Motor Corporation
- Yuji Harada
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Pre-combustion chamber system
- Patent number 11,686,242
- Issue date Jun 27, 2023
- SIEMENS ENERGY, INC.
- Ryan McLaughlin
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Methods and systems for engine cold-start
- Patent number 11,674,464
- Issue date Jun 13, 2023
- Ford Global Technologies, LLC
- Xiaogang Zhang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Pre-chamber arrangement for a gas engine and a gas engine
- Patent number 11,578,683
- Issue date Feb 14, 2023
- Scania CV AB
- Svante Lejon
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Zero emission propulsion systems and generator sets using ammonia a...
- Patent number 11,542,878
- Issue date Jan 3, 2023
- Lars Harald Heggen
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel injection system for a spark-ignition internal combustion engi...
- Patent number 11,536,189
- Issue date Dec 27, 2022
- Marelli Europe S.p.A.
- Matteo De Cesare
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Methods and system for cold starting an engine
- Patent number 11,530,664
- Issue date Dec 20, 2022
- Ford Global Technologies, LLC
- Chris Paul Glugla
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method and system for fuel combustion
- Patent number 11,519,322
- Issue date Dec 6, 2022
- Caterpillar Inc.
- Robert M. McDavid
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Engine turbulent jet ignition system
- Patent number 11,408,329
- Issue date Aug 9, 2022
- Board of Trustees of Michigan State University
- Harold J. Schock
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Methods and systems for reducing catalyst cooling during fuel cut v...
- Patent number 11,352,968
- Issue date Jun 7, 2022
- Ford Global Technologies, LLC
- Rani Kiwan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Supply of a flushing fluid to an active prechamber of a turbocharge...
- Patent number 11,346,273
- Issue date May 31, 2022
- Volkswagen Aktiengesellschaft
- Karsten Michels
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Pre-chamber assembly for fuel injector
- Patent number 11,333,062
- Issue date May 17, 2022
- Caterpillar Inc.
- Curtis J Graham
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Engine system for emission reduction without aftertreatment
- Patent number 11,293,339
- Issue date Apr 5, 2022
- Cummins Inc.
- Philipe F. Saad
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method and system for extending dilution limit of a prechamber spar...
- Patent number 11,268,434
- Issue date Mar 8, 2022
- Saudi Arabian Oil Company
- Alexander Voice
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Methods and systems for pre-chamber operation during catalyst heating
- Patent number 11,248,551
- Issue date Feb 15, 2022
- Ford Global Technologies, LLC
- Brad VanDerWege
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Systems for a pre-chamber
- Patent number 11,236,662
- Issue date Feb 1, 2022
- Ford Global Technologies, LLC
- Xiaogang Zhang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Systems and methods for exhaust gas recirculation with a prechamber
- Patent number 11,230,963
- Issue date Jan 25, 2022
- Ford Global Technologies, LLC
- Chris Paul Glugla
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Internal combustion engine with pre-chamber
- Patent number 11,215,109
- Issue date Jan 4, 2022
- Mazda Motor Corporation
- Ryohei Ono
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Ignition insert with an active pre-chamber
- Patent number 11,187,141
- Issue date Nov 30, 2021
- Vianney Rabhi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Precombustion chamber gas engine
- Patent number 11,174,778
- Issue date Nov 16, 2021
- MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
- Kazutoshi Nomura
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Systems and methods for ignition coil multiplexing in a pre-chamber...
- Patent number 11,156,198
- Issue date Oct 26, 2021
- Ford Global Technologies, LLC
- Chris Paul Glugla
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Prechamber device for internal combustion engine
- Patent number 11,156,147
- Issue date Oct 26, 2021
- Aramco Services Company
- Xin Yu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Zero emission propulsion systems and generator sets using ammonia a...
- Patent number 11,149,662
- Issue date Oct 19, 2021
- Lars Harald Heggen
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
SPRAY GUIDED STRATIFICATION FOR FUELING A PASSIVE PRE-CHAMBER
- Publication number 20240141823
- Publication date May 2, 2024
- ARAMCO SERVICES COMPANY
- Xin Yu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
AN INTERNAL COMBUSTION ENGINE AND IGNITION SYSTEM WITH A PRE-CHAMBER
- Publication number 20240093635
- Publication date Mar 21, 2024
- ERFINDER TECHNOLOGIES LIMITED
- Andrew John ROBINSON
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Pre-Chamber Ignition System and Procedure for an Internal Combustio...
- Publication number 20240052772
- Publication date Feb 15, 2024
- MARELLI EUROPE S.p.A.
- Nazario Bellato
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
AMMONIA-HYDROGEN FUSION FUEL DIFFUSION COMBUSTION CONTROL SYSTEM BA...
- Publication number 20240018915
- Publication date Jan 18, 2024
- DONGFENG HONDA ENGINE CO.,LTD.
- Zhibin Zeng
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PRECHAMBER JET DISTURBANCE INTENSIFIED COMBUSTION SYSTEM
- Publication number 20230243291
- Publication date Aug 3, 2023
- TIANJIN UNIVERSITY
- Wanhua SU
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ENGINE
- Publication number 20230175427
- Publication date Jun 8, 2023
- Mazda Motor Corporation
- Yuji Harada
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ENGINE
- Publication number 20230175426
- Publication date Jun 8, 2023
- MAZDA MOTOR CORPORATION
- Yuji Harada
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PRE-COMBUSTION CHAMBER SYSTEM
- Publication number 20220178299
- Publication date Jun 9, 2022
- Dresser-Rand Company
- Ryan McLaughlin
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METHOD FOR OPERATING A HYDROGEN FUELLED COMBUSTION ENGINE
- Publication number 20220112835
- Publication date Apr 14, 2022
- MAHLE Powertrain LLC
- Michael Bunce
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
DEVICE FOR FUEL INJECTION FOR INTERNAL COMBUSTION ENGINES
- Publication number 20220112834
- Publication date Apr 14, 2022
- Silvester CAMBAL
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METHOD AND SYSTEM FOR EXTENDING DILUTION LIMIT OF A PRECHAMBER SPAR...
- Publication number 20220056835
- Publication date Feb 24, 2022
- ARAMCO SERVICES COMPANY
- Alexander Voice
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ZERO EMISSION PROPULSION SYSTEMS AND GENERATOR SETS USING AMMONIA A...
- Publication number 20220056856
- Publication date Feb 24, 2022
- LARS HARALD HEGGEN
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
A PRE-CHAMBER ARRANGEMENT FOR A GAS ENGINE AND A GAS ENGINE
- Publication number 20220034282
- Publication date Feb 3, 2022
- SCANIA CV AB
- Svante LEJON
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEMS FOR A PRE-CHAMBER
- Publication number 20220003146
- Publication date Jan 6, 2022
- FORD GLOBAL TECHNOLOGIES, L.L.C.
- Xiaogang Zhang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METHODS AND SYSTEM FOR COLD STARTING AN ENGINE
- Publication number 20220003180
- Publication date Jan 6, 2022
- FORD GLOBAL TECHNOLOGIES, L.L.C.
- Chris Paul Glugla
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Fuel Injection System for a Spark-Ignition Internal Combustion Engi...
- Publication number 20210324784
- Publication date Oct 21, 2021
- MARELLI EUROPE S.p.A.
- Matteo De Cesare
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SYSTEMS AND METHODS FOR EXHAUST GAS RECIRCULATION WITH A PRECHAMBER
- Publication number 20210310402
- Publication date Oct 7, 2021
- Chris Paul Glugla
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
INTERNAL COMBUSTION ENGINE WITH PRE-CHAMBER
- Publication number 20210246822
- Publication date Aug 12, 2021
- Mazda Motor Corporation
- Ryohei Ono
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SUPPLY OF A FLUSHING FLUID TO AN ACTIVE PRECHAMBER OF A TURBOCHARGE...
- Publication number 20210115840
- Publication date Apr 22, 2021
- Volkswagen Aktiengesellschaft
- Karsten MICHELS
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ENGINE SYSTEM FOR EMISSION REDUCTION WITHOUT AFTERTREATMENT
- Publication number 20210040880
- Publication date Feb 11, 2021
- Cummins Inc.
- Philipe F. Saad
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
EFFICIENT ENGINE COMBUSTION SYSTEM WITH MULTIPLE COMBUSTION MODES
- Publication number 20210040879
- Publication date Feb 11, 2021
- TIANJIN UNIVERSITY
- Haiqiao WEI
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
COMBUSTION IGNITION DEVICES FOR AN INTERNAL COMBUSTION ENGINE
- Publication number 20200182217
- Publication date Jun 11, 2020
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- SeungHwan Keum
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PRE-CHAMBER TYPE INTERNAL COMBUSTION ENGINE
- Publication number 20200165961
- Publication date May 28, 2020
- Toyota Jidosha Kabushiki Kaisha
- Shohei HAMADA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PRE-CHAMBER ASSEMBLY
- Publication number 20200123963
- Publication date Apr 23, 2020
- Cummins Inc.
- Alan C. Anderson
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PRE-CHAMBER IGNITION SYSTEM HAVING IGNITER WITH GAS ORIFICE STRUCTU...
- Publication number 20200116074
- Publication date Apr 16, 2020
- Caterpillar Inc.
- David Yu Zhang Chang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
CONTROL SYSTEM FOR COMPRESSION IGNITION ENGINE
- Publication number 20200032698
- Publication date Jan 30, 2020
- Mazda Motor Corporation
- Yuto Matsushima
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ROTARY INTERNAL COMBUSTION ENGINE WITH PILOT SUBCHAMBER AND IGNITIO...
- Publication number 20200011234
- Publication date Jan 9, 2020
- Pratt & Whitney Canada Corp.
- Michael GAUL
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
PRECOMBUSTION CHAMBER GAS ENGINE
- Publication number 20190368410
- Publication date Dec 5, 2019
- MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
- Daisuke TAKEMOTO
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PRE-CHAMBER ASSEMBLY FOR FUEL INJECTOR
- Publication number 20190353090
- Publication date Nov 21, 2019
- Caterpillar Inc.
- Curtis J. Graham
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
VARIABLE VOLUME PRE-CHAMBER FOR A COMBUSTION ENGINE
- Publication number 20190353088
- Publication date Nov 21, 2019
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Justin E. Ketterer
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

with fuel injection at least into pre-combustion chamber

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Prechamber ignited engine and operating methods therefor

Internal combustion engine and ignition system with a pre-chamber

Systems and methods for reducing evaporative emissions via pre-cham...

Ammonia-hydrogen blended fuel control system based on reactivity re...

Engine

Purge device for passive or active prechambers

Multiple combustion mode engine with ammonia fuel and control metho...

Engine

Pre-combustion chamber system

Methods and systems for engine cold-start

Pre-chamber arrangement for a gas engine and a gas engine

Zero emission propulsion systems and generator sets using ammonia a...

Fuel injection system for a spark-ignition internal combustion engi...

Methods and system for cold starting an engine

Method and system for fuel combustion

Engine turbulent jet ignition system

Methods and systems for reducing catalyst cooling during fuel cut v...

Supply of a flushing fluid to an active prechamber of a turbocharge...

Pre-chamber assembly for fuel injector

Engine system for emission reduction without aftertreatment

Method and system for extending dilution limit of a prechamber spar...

Methods and systems for pre-chamber operation during catalyst heating

Systems for a pre-chamber

Systems and methods for exhaust gas recirculation with a prechamber

Internal combustion engine with pre-chamber

Ignition insert with an active pre-chamber

Precombustion chamber gas engine

Systems and methods for ignition coil multiplexing in a pre-chamber...

Prechamber device for internal combustion engine

Zero emission propulsion systems and generator sets using ammonia a...

Patents Applicationslast 30 patents

SPRAY GUIDED STRATIFICATION FOR FUELING A PASSIVE PRE-CHAMBER

AN INTERNAL COMBUSTION ENGINE AND IGNITION SYSTEM WITH A PRE-CHAMBER

Pre-Chamber Ignition System and Procedure for an Internal Combustio...

AMMONIA-HYDROGEN FUSION FUEL DIFFUSION COMBUSTION CONTROL SYSTEM BA...

PRECHAMBER JET DISTURBANCE INTENSIFIED COMBUSTION SYSTEM

ENGINE

ENGINE

PRE-COMBUSTION CHAMBER SYSTEM

METHOD FOR OPERATING A HYDROGEN FUELLED COMBUSTION ENGINE

DEVICE FOR FUEL INJECTION FOR INTERNAL COMBUSTION ENGINES

METHOD AND SYSTEM FOR EXTENDING DILUTION LIMIT OF A PRECHAMBER SPAR...

ZERO EMISSION PROPULSION SYSTEMS AND GENERATOR SETS USING AMMONIA A...

A PRE-CHAMBER ARRANGEMENT FOR A GAS ENGINE AND A GAS ENGINE

SYSTEMS FOR A PRE-CHAMBER

METHODS AND SYSTEM FOR COLD STARTING AN ENGINE

Fuel Injection System for a Spark-Ignition Internal Combustion Engi...

SYSTEMS AND METHODS FOR EXHAUST GAS RECIRCULATION WITH A PRECHAMBER

INTERNAL COMBUSTION ENGINE WITH PRE-CHAMBER

SUPPLY OF A FLUSHING FLUID TO AN ACTIVE PRECHAMBER OF A TURBOCHARGE...

ENGINE SYSTEM FOR EMISSION REDUCTION WITHOUT AFTERTREATMENT

EFFICIENT ENGINE COMBUSTION SYSTEM WITH MULTIPLE COMBUSTION MODES

COMBUSTION IGNITION DEVICES FOR AN INTERNAL COMBUSTION ENGINE

PRE-CHAMBER TYPE INTERNAL COMBUSTION ENGINE

PRE-CHAMBER ASSEMBLY

PRE-CHAMBER IGNITION SYSTEM HAVING IGNITER WITH GAS ORIFICE STRUCTU...

CONTROL SYSTEM FOR COMPRESSION IGNITION ENGINE

ROTARY INTERNAL COMBUSTION ENGINE WITH PILOT SUBCHAMBER AND IGNITIO...

PRECOMBUSTION CHAMBER GAS ENGINE

PRE-CHAMBER ASSEMBLY FOR FUEL INJECTOR

VARIABLE VOLUME PRE-CHAMBER FOR A COMBUSTION ENGINE