with more than one pre-combustion chamber (a stepped form of the main combustion chamber above the piston is to be considered as a pre-combustion chamber if this stepped portion is not a squish area)

Patents Grantslast 30 patents

  • Information Patent Grant

    Internal combustion engine

    • Patent number 11,970,965
    • Issue date Apr 30, 2024
    • INNIO Jenbacher GmbH & Co OG
    • Wolfgang Fimml
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Rotary engine with pilot subchambers

    • Patent number 10,801,394
    • Issue date Oct 13, 2020
    • Pratt & Whitney Canada Corp.
    • Serge Dussault
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Precombustion-chamber engine

    • Patent number 10,316,733
    • Issue date Jun 11, 2019
    • MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
    • Daisuke Takemoto
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Two-stage precombustion chamber for large bore gas engines

    • Patent number 10,138,799
    • Issue date Nov 27, 2018
    • Prometheus Applied Technologies, LLC
    • Luigi P. Tozzi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    System for monitoring a prechamber of an engine

    • Patent number 10,077,730
    • Issue date Sep 18, 2018
    • General Electric Company
    • Rajesh Kumar Jayaram
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Quiescent chamber hot gas igniter

    • Patent number 10,054,102
    • Issue date Aug 21, 2018
    • Woodward, Inc.
    • Domenico Chiera
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Laser ignition device

    • Patent number 10,006,433
    • Issue date Jun 26, 2018
    • Denso Corporation
    • Kenji Kanehara
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Quiescent chamber hot gas igniter

    • Patent number 9,856,848
    • Issue date Jan 2, 2018
    • Woodward, Inc.
    • Domenico Chiera
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Cap shielded ignition system

    • Patent number 9,843,165
    • Issue date Dec 12, 2017
    • Woodward, Inc.
    • Domenico Chiera
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Parallel prechamber ignition system

    • Patent number 9,840,963
    • Issue date Dec 12, 2017
    • Woodward, Inc.
    • Domenico Chiera
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Multi-chamber igniter

    • Patent number 9,765,682
    • Issue date Sep 19, 2017
    • Woodward, Inc.
    • Domenico Chiera
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Dual pre-chamber combustion system

    • Patent number 9,714,603
    • Issue date Jul 25, 2017
    • Hyundai Motor Company
    • Nayan Engineer
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Pre-chamber

    • Patent number 9,670,827
    • Issue date Jun 6, 2017
    • GE Oil & Gas Compression Systems, LLC
    • Jason Taliaferro
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Cap shielded ignition system

    • Patent number 9,653,886
    • Issue date May 16, 2017
    • Woodward, Inc.
    • Domenico Chiera
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Dual pre-chamber piston bowl system

    • Patent number 9,562,465
    • Issue date Feb 7, 2017
    • Hyundai Motor Company
    • Nayan Engineer
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Pre-chamber system for an internal combustion engine

    • Patent number 9,316,144
    • Issue date Apr 19, 2016
    • GE Jenbacher GmbH & Co. OG
    • Friedrich Gruber
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Internal combustion engine with separate combustion chamber and a m...

    • Patent number 8,844,496
    • Issue date Sep 30, 2014
    • Jeno Polgar
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Pre-chamber

    • Patent number 8,544,443
    • Issue date Oct 1, 2013
    • Cameron International Corporation
    • Jason Taliaferro
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Combustion control via homogeneous combustion radical ignition (HCR...

    • Patent number 7,832,372
    • Issue date Nov 16, 2010
    • HCRI Technologies International, LLC
    • David A. Blank
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Combustion control via homogeneous combustion radical ignition (HCR...

    • Patent number 7,493,886
    • Issue date Feb 24, 2009
    • David Alan Blank
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Method to extend lean ignition limit within internal combustion engine

    • Patent number 7,100,567
    • Issue date Sep 5, 2006
    • Caterpillar Inc.
    • Brett Bailey
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Lean combustion gas engine

    • Patent number 6,209,511
    • Issue date Apr 3, 2001
    • Niigata Engineering Co., Ltd.
    • Satoru Goto
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Method and apparatus for accomplishing flame ignition for an intern...

    • Patent number 4,218,993
    • Issue date Aug 26, 1980
    • Donald E. Blackburn
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Internal combustion engine with an auxiliary combustion chamber

    • Patent number 4,125,094
    • Issue date Nov 14, 1978
    • Toyota Jidosha Kogyo Kabushiki Kaisha
    • Masaaki Noguchi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Internal combustion engine with a subsidiary combustion chamber

    • Patent number 4,038,959
    • Issue date Aug 2, 1977
    • Toyota Jidosha Kogyo Kabushiki Kaisha
    • Masaaki Takizawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Internal combustion engine

    • Patent number 3,973,530
    • Issue date Aug 10, 1976
    • Hans H. Seidel
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Stratified-combustion type internal combustion engine with pre-comb...

    • Patent number 3,967,611
    • Issue date Jul 6, 1976
    • Toyota Jidosha Kogyo Kabushiki Kaisha
    • Kenji Goto
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3911753

    • Patent number 3,911,753
    • Issue date Oct 14, 1975
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2803230

    • Patent number 2,803,230
    • Issue date Aug 20, 1957
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2456080

    • Patent number 2,456,080
    • Issue date Dec 14, 1948
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    ENGINE

    • Publication number 20230296065
    • Publication date Sep 21, 2023
    • Yanmar Holdings Co., Ltd.
    • Taishi Kumada
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    INTERNAL COMBUSTION ENGINE

    • Publication number 20230265780
    • Publication date Aug 24, 2023
    • INNIO Jenbacher GmbH & Co OG
    • Wolfgang Fimml
    • 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

    ROTARY ENGINE WITH PILOT SUBCHAMBERS

    • Publication number 20190162108
    • Publication date May 30, 2019
    • Pratt & Whitney Canada Corp.
    • Serge DUSSAULT
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Quiescent Chamber Hot Gas Igniter

    • Publication number 20180080429
    • Publication date Mar 22, 2018
    • WOODWARD, INC.
    • Domenico Chiera
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    TWO-STAGE PRECOMBUSTION CHAMBER FOR LARGE BORE GAS ENGINES

    • Publication number 20180038270
    • Publication date Feb 8, 2018
    • PROMETHEUS APPLIED TECHNOLOGIES, LLC
    • Luigi P. Tozzi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SYSTEM FOR MONITORING A PRECHAMBER OF AN ENGINE

    • Publication number 20170191439
    • Publication date Jul 6, 2017
    • GENERAL ELECTRIC COMPANY
    • Rajesh Kumar Jayaram
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    MULTIPLE PRECHAMBERS WITH INTERACTING JETS

    • Publication number 20170101923
    • Publication date Apr 13, 2017
    • Caterpillar Inc.
    • Andrew Loetz
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    PRE-CHAMBER

    • Publication number 20160061094
    • Publication date Mar 3, 2016
    • GE Oil & Gas Compression Systems, LLC
    • Jason Taliaferro
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Quiescent Chamber Hot Gas Igniter

    • Publication number 20140190437
    • Publication date Jul 10, 2014
    • Domenico Chiera
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    PRE-CHAMBER SYSTEM FOR AN INTERNAL COMBUSTION ENGINE

    • Publication number 20140083391
    • Publication date Mar 27, 2014
    • GE JENBACHER GMBH & CO OG
    • Friedrich GRUBER
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    PRE-CHAMBER

    • Publication number 20140069370
    • Publication date Mar 13, 2014
    • Cameron International Corporation
    • Jason Taliaferro
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    TWO-STAGE PRECOMBUSTION CHAMBER FOR LARGE BORE GAS ENGINES

    • Publication number 20140060479
    • Publication date Mar 6, 2014
    • Luigi P. Tozzi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    PRE-CHAMBER

    • Publication number 20140053799
    • Publication date Feb 27, 2014
    • Cameron International Corporation
    • Jason Taliaferro
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Combustion Control via Homogeneous Combustion Radical Ignition (HCR...

    • Publication number 20130306045
    • Publication date Nov 21, 2013
    • David A. Blank
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    INTERNAL COMBUSTION ENGINE WITH SEPARATE COMBUSTION CHAMBER AND A M...

    • Publication number 20120160223
    • Publication date Jun 28, 2012
    • Jeno POLGAR
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    PRE-CHAMBER

    • Publication number 20110005478
    • Publication date Jan 13, 2011
    • Cameron International Corporation
    • Jason Taliaferro
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Combustion Control via Homogeneous Combustion Radical Ignition (HCR...

    • Publication number 20090228191
    • Publication date Sep 10, 2009
    • David A. Blank
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    COMBUSTION CONTROL VIA HOMOGENEOUS COMBUSTION RADICAL IGNITION (HCR...

    • Publication number 20070235002
    • Publication date Oct 11, 2007
    • David Alan BLANK
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES