EP4159989A3 - Variable compression-ratio device - Google Patents
Variable compression-ratio device Download PDFInfo
- Publication number
- EP4159989A3 EP4159989A3 EP22195501.6A EP22195501A EP4159989A3 EP 4159989 A3 EP4159989 A3 EP 4159989A3 EP 22195501 A EP22195501 A EP 22195501A EP 4159989 A3 EP4159989 A3 EP 4159989A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- crankshaft
- variable compression
- gear
- ratio device
- input gear
- 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
Links
- 239000003921 oil Substances 0.000 abstract 2
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 239000010687 lubricating oil Substances 0.000 abstract 1
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
- F02B75/048—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of a variable crank stroke length
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021161719 | 2021-09-30 | ||
JP2021166512A JP7316337B2 (en) | 2021-09-30 | 2021-10-08 | Compression ratio variable device |
Publications (3)
Publication Number | Publication Date |
---|---|
EP4159989A2 EP4159989A2 (en) | 2023-04-05 |
EP4159989A3 true EP4159989A3 (en) | 2023-04-19 |
EP4159989B1 EP4159989B1 (en) | 2024-08-07 |
Family
ID=83318928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP22195501.6A Active EP4159989B1 (en) | 2021-09-30 | 2022-09-14 | Variable compression-ratio device |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP4159989B1 (en) |
BR (1) | BR102022018468A2 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US460642A (en) * | 1891-10-06 | Variable crank-motion | ||
DE164819C (en) * | 1904-08-02 | 1905-11-16 | ||
US2209012A (en) * | 1933-10-27 | 1940-07-23 | Jean A H Barkeij | Internal combustion engine |
DE102008009869A1 (en) * | 2008-02-19 | 2009-08-20 | Audi Ag | Crank shaft, particularly for internal combustion engine, has crank shaft stroke, which has stroke plug, journal plug and adjusting device for distance adjustment of stroke plug for journal plug |
WO2017211727A1 (en) * | 2016-06-09 | 2017-12-14 | Gomecsys B.V. | Heat engine provided with an improved system for varying the compression ratio |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2889320B1 (en) | 2005-07-27 | 2007-10-26 | Smartquantum Sa | OPTICAL TRANSMISSION SYSTEM AND DEVICE FOR RECEIVING OPTICAL SIGNAL |
JP5634160B2 (en) | 2010-08-04 | 2014-12-03 | 本田技研工業株式会社 | Support structure for crankshaft of internal combustion engine |
-
2022
- 2022-09-14 EP EP22195501.6A patent/EP4159989B1/en active Active
- 2022-09-15 BR BR102022018468-2A patent/BR102022018468A2/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US460642A (en) * | 1891-10-06 | Variable crank-motion | ||
DE164819C (en) * | 1904-08-02 | 1905-11-16 | ||
US2209012A (en) * | 1933-10-27 | 1940-07-23 | Jean A H Barkeij | Internal combustion engine |
DE102008009869A1 (en) * | 2008-02-19 | 2009-08-20 | Audi Ag | Crank shaft, particularly for internal combustion engine, has crank shaft stroke, which has stroke plug, journal plug and adjusting device for distance adjustment of stroke plug for journal plug |
WO2017211727A1 (en) * | 2016-06-09 | 2017-12-14 | Gomecsys B.V. | Heat engine provided with an improved system for varying the compression ratio |
Also Published As
Publication number | Publication date |
---|---|
EP4159989B1 (en) | 2024-08-07 |
BR102022018468A2 (en) | 2023-04-11 |
EP4159989A2 (en) | 2023-04-05 |
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