GB2406614B - Internal combustion engine with a variable compression ratio - Google Patents

Internal combustion engine with a variable compression ratio

Info

Publication number
GB2406614B
GB2406614B GB0323006A GB0323006A GB2406614B GB 2406614 B GB2406614 B GB 2406614B GB 0323006 A GB0323006 A GB 0323006A GB 0323006 A GB0323006 A GB 0323006A GB 2406614 B GB2406614 B GB 2406614B
Authority
GB
United Kingdom
Prior art keywords
combustion engine
internal combustion
compression ratio
variable compression
variable
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
GB0323006A
Other versions
GB2406614A (en
GB0323006D0 (en
Inventor
Rik Osmond Alewijnse
James William Griffith Turner
John Westwood Moore
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.)
Lotus Cars Ltd
Original Assignee
Lotus Cars 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 Lotus Cars Ltd filed Critical Lotus Cars Ltd
Priority to GB0323006A priority Critical patent/GB2406614B/en
Publication of GB0323006D0 publication Critical patent/GB0323006D0/en
Publication of GB2406614A publication Critical patent/GB2406614A/en
Application granted granted Critical
Publication of GB2406614B publication Critical patent/GB2406614B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
    • F02B75/041—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of cylinder or cylinderhead positioning
    • 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
    • F01L1/026—Gear drive
    • 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
    • F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
    • F02B75/045—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of a variable connecting rod length
    • 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
    • F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
    • F02B75/047—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of variable crankshaft position
    • 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
    • F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
    • F02B75/048—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of a variable crank stroke length
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0002—Cylinder arrangements
    • F02F7/0019—Cylinders and crankshaft not in one plane (deaxation)

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Transmission Devices (AREA)
GB0323006A 2003-10-01 2003-10-01 Internal combustion engine with a variable compression ratio Expired - Fee Related GB2406614B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0323006A GB2406614B (en) 2003-10-01 2003-10-01 Internal combustion engine with a variable compression ratio

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0323006A GB2406614B (en) 2003-10-01 2003-10-01 Internal combustion engine with a variable compression ratio

Publications (3)

Publication Number Publication Date
GB0323006D0 GB0323006D0 (en) 2003-11-05
GB2406614A GB2406614A (en) 2005-04-06
GB2406614B true GB2406614B (en) 2005-09-21

Family

ID=29415318

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0323006A Expired - Fee Related GB2406614B (en) 2003-10-01 2003-10-01 Internal combustion engine with a variable compression ratio

Country Status (1)

Country Link
GB (1) GB2406614B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107299858A (en) * 2016-04-14 2017-10-27 丰田自动车株式会社 Internal combustion engine
CN107489526A (en) * 2016-12-24 2017-12-19 宝沃汽车（中国）有限公司 Engine and vehicle

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005020270A1 (en) * 2005-04-30 2006-11-09 Daimlerchrysler Ag Internal combustion engine with variable compression ratio
FR3025251A1 (en) * 2014-08-28 2016-03-04 Antoine Zalcman THERMAL MIXED MOTOR / COMPRESSED AIR
SE538721C2 (en) * 2015-06-22 2016-11-01 Karlsson Kent Method and arrangement for controlling a combustion engine
JP2017190742A (en) * 2016-04-14 2017-10-19 トヨタ自動車株式会社 Internal combustion engine
JP2018017232A (en) * 2016-07-15 2018-02-01 トヨタ自動車株式会社 Internal combustion engine
AT524792B1 (en) * 2021-03-26 2022-09-15 Avl List Gmbh Internal combustion engine with offset crankshaft

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1838256A (en) * 1929-12-30 1931-12-29 David Franklin Cook Internal combustion engine
US4873947A (en) * 1988-02-22 1989-10-17 Southwest Research Institute Variable compression ratio direct injection engine
US5025757A (en) * 1990-09-13 1991-06-25 Larsen Gregory J Reciprocating piston engine with a varying compression ratio
US5443043A (en) * 1990-12-03 1995-08-22 Saab Automobile Aktiebolag Internal combustion engine with variable compression, provided with reinforcements of the crankcase section
DE10122469A1 (en) * 2001-05-09 2002-11-14 Eduard Frommherz Internal combustion engine of variable compression houses cylinder and crankcase on tongue-and-grooved housing parts sliding relatively along angled line off power cylinder.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1838256A (en) * 1929-12-30 1931-12-29 David Franklin Cook Internal combustion engine
US4873947A (en) * 1988-02-22 1989-10-17 Southwest Research Institute Variable compression ratio direct injection engine
US5025757A (en) * 1990-09-13 1991-06-25 Larsen Gregory J Reciprocating piston engine with a varying compression ratio
US5025757B1 (en) * 1990-09-13 1992-10-27 J Larsen Gregory
US5443043A (en) * 1990-12-03 1995-08-22 Saab Automobile Aktiebolag Internal combustion engine with variable compression, provided with reinforcements of the crankcase section
DE10122469A1 (en) * 2001-05-09 2002-11-14 Eduard Frommherz Internal combustion engine of variable compression houses cylinder and crankcase on tongue-and-grooved housing parts sliding relatively along angled line off power cylinder.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107299858A (en) * 2016-04-14 2017-10-27 丰田自动车株式会社 Internal combustion engine
CN107299858B (en) * 2016-04-14 2019-11-01 丰田自动车株式会社 Internal combustion engine
CN107489526A (en) * 2016-12-24 2017-12-19 宝沃汽车（中国）有限公司 Engine and vehicle

Also Published As

Publication number Publication date
GB2406614A (en) 2005-04-06
GB0323006D0 (en) 2003-11-05

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Legal Events

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

Effective date: 20121001