FR2890693B1 - DEVICE FOR VARYING THE COMPRESSION RATE OF A CYLINDER OF AN INTERNAL COMBUSTION ENGINE AND INTERNAL COMBUSTION ENGINE COMPRISING SUCH A DEVICE - Google Patents
DEVICE FOR VARYING THE COMPRESSION RATE OF A CYLINDER OF AN INTERNAL COMBUSTION ENGINE AND INTERNAL COMBUSTION ENGINE COMPRISING SUCH A DEVICEInfo
- Publication number
- FR2890693B1 FR2890693B1 FR0509336A FR0509336A FR2890693B1 FR 2890693 B1 FR2890693 B1 FR 2890693B1 FR 0509336 A FR0509336 A FR 0509336A FR 0509336 A FR0509336 A FR 0509336A FR 2890693 B1 FR2890693 B1 FR 2890693B1
- Authority
- FR
- France
- Prior art keywords
- combustion engine
- internal combustion
- varying
- cylinder
- compression rate
- 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
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
- F02B75/044—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of an adjustable piston length
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0509336A FR2890693B1 (en) | 2005-09-13 | 2005-09-13 | DEVICE FOR VARYING THE COMPRESSION RATE OF A CYLINDER OF AN INTERNAL COMBUSTION ENGINE AND INTERNAL COMBUSTION ENGINE COMPRISING SUCH A DEVICE |
PCT/FR2006/050878 WO2007031686A1 (en) | 2005-09-13 | 2006-09-12 | Device for varying compression ratio of an internal combustion engine cylinder and internal combustion engine comprising same |
EP06808316A EP1934444A1 (en) | 2005-09-13 | 2006-09-12 | Device for varying compression ratio of an internal combustion engine cylinder and internal combustion engine comprising same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0509336A FR2890693B1 (en) | 2005-09-13 | 2005-09-13 | DEVICE FOR VARYING THE COMPRESSION RATE OF A CYLINDER OF AN INTERNAL COMBUSTION ENGINE AND INTERNAL COMBUSTION ENGINE COMPRISING SUCH A DEVICE |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2890693A1 FR2890693A1 (en) | 2007-03-16 |
FR2890693B1 true FR2890693B1 (en) | 2007-12-07 |
Family
ID=36088535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0509336A Expired - Fee Related FR2890693B1 (en) | 2005-09-13 | 2005-09-13 | DEVICE FOR VARYING THE COMPRESSION RATE OF A CYLINDER OF AN INTERNAL COMBUSTION ENGINE AND INTERNAL COMBUSTION ENGINE COMPRISING SUCH A DEVICE |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1934444A1 (en) |
FR (1) | FR2890693B1 (en) |
WO (1) | WO2007031686A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007040699A1 (en) * | 2007-08-29 | 2009-03-05 | Robert Bosch Gmbh | Reciprocating-piston internal combustion engine e.g. petrol engine, for use in e.g. passenger car, has magnetic field generating device generating variable magnetic field which appears at actuator so that compression ratio is adjusted |
FR3044043A1 (en) * | 2015-11-25 | 2017-05-26 | Valeo Systemes De Controle Moteur | COMPRESSION RATE CONTROL SYSTEM FOR A COMBUSTION ENGINE |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1217378A (en) * | 1959-02-19 | 1960-05-03 | Elastic piston for internal combustion engine or other | |
DE19858245A1 (en) * | 1998-12-17 | 2000-06-21 | Bayerische Motoren Werke Ag | Piston with variable compression magnitude for piston machine, especially IC engine, has rheological fluid of constant amount supplied in communicating chamber system provided in piston, system comprising control and storage chambers |
US6394048B1 (en) * | 2001-01-16 | 2002-05-28 | Ford Global Technologies, Inc. | Variable compression ratio internal combustion engine using field-sensitive fluid |
-
2005
- 2005-09-13 FR FR0509336A patent/FR2890693B1/en not_active Expired - Fee Related
-
2006
- 2006-09-12 WO PCT/FR2006/050878 patent/WO2007031686A1/en active Application Filing
- 2006-09-12 EP EP06808316A patent/EP1934444A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO2007031686A1 (en) | 2007-03-22 |
FR2890693A1 (en) | 2007-03-16 |
EP1934444A1 (en) | 2008-06-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20120531 |