GB2424039A - Valve control system - Google Patents

Valve control system Download PDF

Info

Publication number
GB2424039A
GB2424039A GB0612203A GB0612203A GB2424039A GB 2424039 A GB2424039 A GB 2424039A GB 0612203 A GB0612203 A GB 0612203A GB 0612203 A GB0612203 A GB 0612203A GB 2424039 A GB2424039 A GB 2424039A
Authority
GB
United Kingdom
Prior art keywords
valve
valves
chamber
combustion chamber
pressurised
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.)
Granted
Application number
GB0612203A
Other versions
GB2424039A8 (en
GB2424039B (en
GB0612203D0 (en
Inventor
Philip Dawson
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB0612203D0 publication Critical patent/GB0612203D0/en
Publication of GB2424039A publication Critical patent/GB2424039A/en
Publication of GB2424039A8 publication Critical patent/GB2424039A8/en
Application granted granted Critical
Publication of GB2424039B publication Critical patent/GB2424039B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/0203—Variable control of intake and exhaust valves
    • F02D13/0207—Variable control of intake and exhaust valves changing valve lift or valve lift and timing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
    • F01L9/02—
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
    • F01L9/16—Pneumatic means
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/59—Systems for actuating EGR valves using positive pressure actuators; Check valves therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/0253—Fully variable control of valve lift and timing using camless actuation systems such as hydraulic, pneumatic or electromagnetic actuators, e.g. solenoid valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/0257—Independent control of two or more intake or exhaust valves respectively, i.e. one of two intake valves remains closed or is opened partially while the other is fully opened
    • 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
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve Device For Special Equipments (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

A pair of intake and or exhaust poppet valves (17, 18) are provided in a cylinder head (32) of a combustion chamber of an internal combustion engine. The valves are opened and closed at selected times during the cylinder stroke cycle. The timing of the opening and closing of the valves (17, 18) and the magnitude of the displacement during opening, the 'lift', of the poppet valves (17, 18) is controlled to allow varying flow rates and quantities of fuel and/or air mixtures in to the combustion chamber and varying flow rates of exhaust gases out of the combustion chamber at any desired time. Each valve (17, 18) is actuated by a bellows (12) comprising two expansible chambers (13, 14), the first chamber (13) being pressurised to open the valve and the second chamber 14 being pressurised to close the valve.

Description

GB 2424039 A continuation (74) Agent and/or Address for Service: Wilson
Gunn M'Caw 5th Floor, Blacktriars House, The Parsonage, MANCHESTER, M3 2JA, United Kingdom
GB0612203A 2003-11-20 2004-11-19 Valve control system Expired - Fee Related GB2424039B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0326992.5A GB0326992D0 (en) 2003-11-20 2003-11-20 Valve control system
PCT/GB2004/004893 WO2005052417A2 (en) 2003-11-20 2004-11-19 Valve control system

Publications (4)

Publication Number Publication Date
GB0612203D0 GB0612203D0 (en) 2006-08-09
GB2424039A true GB2424039A (en) 2006-09-13
GB2424039A8 GB2424039A8 (en) 2007-09-03
GB2424039B GB2424039B (en) 2007-10-10

Family

ID=29764123

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0326992.5A Ceased GB0326992D0 (en) 2003-11-20 2003-11-20 Valve control system
GB0612203A Expired - Fee Related GB2424039B (en) 2003-11-20 2004-11-19 Valve control system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0326992.5A Ceased GB0326992D0 (en) 2003-11-20 2003-11-20 Valve control system

Country Status (2)

Country Link
GB (2) GB0326992D0 (en)
WO (1) WO2005052417A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007009223A1 (en) * 2005-07-15 2007-01-25 Hans-Armin Ohlmann Two-stroke internal combustion engine with enhanced scavenging
JOP20200052A1 (en) 2013-12-19 2017-06-16 Bayer Pharma AG Substituted piperidinyl-tetrahydroquinolines and their use as alpha-2c adrenoreceptor antagonists
US9752470B2 (en) 2014-03-21 2017-09-05 Ford Global Technologies, Llc Applied-ignition internal combustion engine with variable valve drive
US11725548B2 (en) * 2021-06-23 2023-08-15 L&T Technology Services Limited Camless engine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2615438A (en) * 1948-08-04 1952-10-28 Preston T Tucker Hydraulic mechanism for actuating valves
US4109462A (en) * 1975-12-25 1978-08-29 Nippon Soken, Inc. Device for purifying exhaust gas discharged from internal combustion engine
US5586529A (en) * 1995-09-01 1996-12-24 Vallve; Serge Pneumatic engine valve spring assembly
DE10017104A1 (en) * 2000-04-06 2001-10-11 Univ Ilmenau Tech Fluidic-mechanical drive system for manipulatory and locomotive movement systems consists of membrane structure with anisotropic characteristics curved outwards under internal pressure
WO2002029216A1 (en) * 2000-10-05 2002-04-11 Renault Sport Valve actuating device, and method for controlling same
EP1236869A1 (en) * 2001-02-28 2002-09-04 Institut Francais Du Petrole Arrangement for introducing air-fuel mixture in a combustion chamber, in particular for a two-stroke engine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2615438A (en) * 1948-08-04 1952-10-28 Preston T Tucker Hydraulic mechanism for actuating valves
US4109462A (en) * 1975-12-25 1978-08-29 Nippon Soken, Inc. Device for purifying exhaust gas discharged from internal combustion engine
US5586529A (en) * 1995-09-01 1996-12-24 Vallve; Serge Pneumatic engine valve spring assembly
DE10017104A1 (en) * 2000-04-06 2001-10-11 Univ Ilmenau Tech Fluidic-mechanical drive system for manipulatory and locomotive movement systems consists of membrane structure with anisotropic characteristics curved outwards under internal pressure
WO2002029216A1 (en) * 2000-10-05 2002-04-11 Renault Sport Valve actuating device, and method for controlling same
EP1236869A1 (en) * 2001-02-28 2002-09-04 Institut Francais Du Petrole Arrangement for introducing air-fuel mixture in a combustion chamber, in particular for a two-stroke engine

Also Published As

Publication number Publication date
GB2424039A8 (en) 2007-09-03
GB0326992D0 (en) 2003-12-24
GB2424039B (en) 2007-10-10
GB0612203D0 (en) 2006-08-09
WO2005052417A2 (en) 2005-06-09
WO2005052417A3 (en) 2005-07-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20151119