GB2476852B - Six stroke 'Blackburn Cycle' - Google Patents

Six stroke 'Blackburn Cycle'

Info

Publication number
GB2476852B
GB2476852B GB1015469.8A GB201015469A GB2476852B GB 2476852 B GB2476852 B GB 2476852B GB 201015469 A GB201015469 A GB 201015469A GB 2476852 B GB2476852 B GB 2476852B
Authority
GB
United Kingdom
Prior art keywords
stroke
blackburn
cycle
blackburn cycle
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.)
Expired - Fee Related
Application number
GB1015469.8A
Other versions
GB201015469D0 (en
GB2476852A (en
Inventor
Anthony Edgar Blackburn
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
Priority to GB1015469.8A priority Critical patent/GB2476852B/en
Publication of GB201015469D0 publication Critical patent/GB201015469D0/en
Publication of GB2476852A publication Critical patent/GB2476852A/en
Priority to PCT/GB2011/001195 priority patent/WO2012035285A1/en
Application granted granted Critical
Publication of GB2476852B publication Critical patent/GB2476852B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/36—Valve-gear or valve arrangements, e.g. lift-valve gear peculiar to machines or engines of specific type other than four-stroke cycle
    • F01L1/38—Valve-gear or valve arrangements, e.g. lift-valve gear peculiar to machines or engines of specific type other than four-stroke cycle for engines with other than four-stroke cycle, e.g. with two-stroke cycle
    • 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0021—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of rocker arm ratio
    • 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/14—Tappets; Push rods
    • F01L1/146—Push-rods
    • 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L1/181—Centre pivot rocking arms
    • F01L1/182—Centre pivot rocking arms the rocking arm being pivoted about an individual fulcrum, i.e. not about a common shaft
    • 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L1/185—Overhead end-pivot rocking arms
    • 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
    • F02D13/0223—Variable control of the intake valves only
    • F02D13/0226—Variable control of the intake valves only 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/2405—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the cylinder head and rocker arm
    • 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F01L1/053—Camshafts overhead type
    • F01L2001/0537—Double overhead camshafts [DOHC]
    • 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L2001/188—Fulcrums at upper surface
    • 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
    • F01L2303/00—Manufacturing of components used in valve arrangements
    • F01L2303/01—Tools for producing, mounting or adjusting, e.g. some part of the distribution
    • 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
    • F01L2800/00—Methods of operation using a variable valve timing mechanism
    • F01L2800/13—Throttleless
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B75/021—Engines characterised by their cycles, e.g. six-stroke having six or more strokes per cycle
    • 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-Gear Or Valve Arrangements (AREA)
  • Valve Device For Special Equipments (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
GB1015469.8A 2010-09-16 2010-09-16 Six stroke 'Blackburn Cycle' Expired - Fee Related GB2476852B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1015469.8A GB2476852B (en) 2010-09-16 2010-09-16 Six stroke 'Blackburn Cycle'
PCT/GB2011/001195 WO2012035285A1 (en) 2010-09-16 2011-08-10 Six stroke 'blackburn cycle' engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1015469.8A GB2476852B (en) 2010-09-16 2010-09-16 Six stroke 'Blackburn Cycle'

Publications (3)

Publication Number Publication Date
GB201015469D0 GB201015469D0 (en) 2010-10-27
GB2476852A GB2476852A (en) 2011-07-13
GB2476852B true GB2476852B (en) 2012-01-11

Family

ID=43065305

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1015469.8A Expired - Fee Related GB2476852B (en) 2010-09-16 2010-09-16 Six stroke 'Blackburn Cycle'

Country Status (2)

Country Link
GB (1) GB2476852B (en)
WO (1) WO2012035285A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140060482A1 (en) * 2012-09-01 2014-03-06 Anthony Edgar Blackburn Six Stroke 'Blackburn Cycle' Engine
US20140326202A1 (en) * 2013-07-26 2014-11-06 Robert E. Wagner Six Stroke Internal Combustion Engine and a Method of Operation

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1563770A (en) * 1977-09-24 1980-04-02 Mezaki S Internal combustion engine operating cycles
US4484546A (en) * 1981-10-13 1984-11-27 Investment Rarities, Incorporated Variable valve operating mechanism for internal combustion engines
JPS62195424A (en) * 1986-02-22 1987-08-28 Hiromichi Namikoshi Internal combustion engine for controlling output by controlling intake valve
GB2210666A (en) * 1987-10-07 1989-06-14 Honda Motor Co Ltd Six-stroke engine
WO1995008051A1 (en) * 1993-09-15 1995-03-23 Motive Holdings Limited Variable valve lift mechanism for internal combustion engine
WO1996016253A1 (en) * 1994-11-23 1996-05-30 Motive Holdings Limited Variable valve lift mechanism for internal combustion engine
GB2366326A (en) * 2000-08-29 2002-03-06 Gary John Knight Six-stroke cycle for internal combustion engines
GB2445415A (en) * 2007-01-05 2008-07-09 Anthony Edgar Blackburn Inlet valve actuation arrangement for an 8-stroke and 4-stroke cycle change IC engine
GB2451448A (en) * 2007-07-28 2009-02-04 Anthony Edgar Blackburn Variable fulcrum position for inlet valve actuation in 8-stroke engines

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2535532A (en) * 1941-09-24 1950-12-26 Onera (Off Nat Aerospatiale) Two-cycle low-boiling fuel injection engine
JP2004108319A (en) * 2002-09-20 2004-04-08 Nissan Diesel Motor Co Ltd Internal combustion engine
JP2007303348A (en) * 2006-05-10 2007-11-22 Toyota Motor Corp Control device for internal combustion engine
WO2009011145A1 (en) * 2007-07-16 2009-01-22 Joho Corporation System for varying total valve opening angle by variable lift

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1563770A (en) * 1977-09-24 1980-04-02 Mezaki S Internal combustion engine operating cycles
US4484546A (en) * 1981-10-13 1984-11-27 Investment Rarities, Incorporated Variable valve operating mechanism for internal combustion engines
JPS62195424A (en) * 1986-02-22 1987-08-28 Hiromichi Namikoshi Internal combustion engine for controlling output by controlling intake valve
GB2210666A (en) * 1987-10-07 1989-06-14 Honda Motor Co Ltd Six-stroke engine
WO1995008051A1 (en) * 1993-09-15 1995-03-23 Motive Holdings Limited Variable valve lift mechanism for internal combustion engine
WO1996016253A1 (en) * 1994-11-23 1996-05-30 Motive Holdings Limited Variable valve lift mechanism for internal combustion engine
GB2366326A (en) * 2000-08-29 2002-03-06 Gary John Knight Six-stroke cycle for internal combustion engines
GB2445415A (en) * 2007-01-05 2008-07-09 Anthony Edgar Blackburn Inlet valve actuation arrangement for an 8-stroke and 4-stroke cycle change IC engine
GB2451448A (en) * 2007-07-28 2009-02-04 Anthony Edgar Blackburn Variable fulcrum position for inlet valve actuation in 8-stroke engines

Also Published As

Publication number Publication date
GB201015469D0 (en) 2010-10-27
WO2012035285A1 (en) 2012-03-22
GB2476852A (en) 2011-07-13

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Legal Events

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

Effective date: 20160916