FI103689B1 - Piston, especially a rotary piston for four-stroke internal combustion engines - Google Patents
Piston, especially a rotary piston for four-stroke internal combustion enginesInfo
- Publication number
- FI103689B1 FI103689B1 FI910018A FI910018A FI103689B1 FI 103689 B1 FI103689 B1 FI 103689B1 FI 910018 A FI910018 A FI 910018A FI 910018 A FI910018 A FI 910018A FI 103689 B1 FI103689 B1 FI 103689B1
- Authority
- FI
- Finland
- Prior art keywords
- piston
- internal combustion
- combustion engines
- stroke internal
- rotary
- Prior art date
Links
Classifications
-
- 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
- F02F3/00—Pistons
- F02F3/0015—Multi-part pistons
- F02F3/0023—Multi-part pistons the parts being bolted or screwed together
-
- 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
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
- F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
- F02B23/0696—W-piston bowl, i.e. the combustion space having a central projection pointing towards the cylinder head and the surrounding wall being inclined towards the cylinder wall
-
- 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
- F02F3/00—Pistons
- F02F3/16—Pistons having cooling means
- F02F3/20—Pistons having cooling means the means being a fluid flowing through or along piston
- F02F3/22—Pistons having cooling means the means being a fluid flowing through or along piston the fluid being liquid
- F02F3/225—Pistons having cooling means the means being a fluid flowing through or along piston the fluid being liquid the liquid being directed into blind holes
-
- 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
- F02F3/00—Pistons
- F02F3/26—Pistons having combustion chamber in piston head
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J1/00—Pistons; Trunk pistons; Plungers
- F16J1/10—Connection to driving members
- F16J1/14—Connection to driving members with connecting-rods, i.e. pivotal connections
- F16J1/22—Connection to driving members with connecting-rods, i.e. pivotal connections with universal joint, e.g. ball-joint
-
- 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
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/04—Heavy metals
- F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/04—Heavy metals
- F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
- F05C2201/0448—Steel
-
- 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)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH29090 | 1990-01-30 | ||
CH29090 | 1990-01-30 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI910018A0 FI910018A0 (en) | 1991-01-02 |
FI910018A FI910018A (en) | 1991-07-31 |
FI103689B1 true FI103689B1 (en) | 1999-08-13 |
FI103689B FI103689B (en) | 1999-08-13 |
Family
ID=4183626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI910018A FI103689B (en) | 1990-01-30 | 1991-01-02 | Piston, especially rotary piston for four-stroke internal combustion engines |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0439995B1 (en) |
JP (1) | JP3290671B2 (en) |
DE (1) | DE59001560D1 (en) |
DK (1) | DK0439995T3 (en) |
FI (1) | FI103689B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19824459A1 (en) * | 1998-05-30 | 1999-12-02 | Mahle Gmbh | Built piston |
DE19962325C2 (en) * | 1999-12-23 | 2003-09-25 | Man B&W Diesel A/S, Copenhagen Sv | reciprocating engine |
DE102006013884A1 (en) * | 2006-03-25 | 2007-09-27 | Mahle International Gmbh | Internal combustion engine`s piston, has head with piston base exposed to focal ray and skirt, and circular partition wall arranged in cooling channel formed by skirt and arranged parallel to head, where wall has nozzle-like openings |
JP5365700B2 (en) | 2009-11-25 | 2013-12-11 | トヨタ自動車株式会社 | Piston for internal combustion engine and internal combustion engine |
DE102011100470A1 (en) * | 2011-05-04 | 2012-11-08 | Ks Kolbenschmidt Gmbh | Method for producing a cooling channel piston and associated pistons |
GB2509355A (en) * | 2012-10-23 | 2014-07-02 | Ecomotors Internat Inc | A piston system |
KR20150109397A (en) * | 2013-01-21 | 2015-10-01 | 페더럴-모걸 코오포레이숀 | Piston and method of making a piston |
CN110552945A (en) * | 2019-07-31 | 2019-12-10 | 上海中船三井造船柴油机有限公司 | novel fastening structure of low-speed diesel engine through bolt |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1045172B (en) * | 1955-11-26 | 1958-11-27 | Kloeckner Humboldt Deutz Ag | Liquid-cooled piston for internal combustion engines |
FR1383334A (en) * | 1964-02-13 | 1964-12-24 | Device for cooling a piston | |
DE3702694C1 (en) * | 1987-01-30 | 1988-04-21 | Mahle Gmbh | Oil-cooled piston for internal combustion engines, especially for diesel engines |
-
1990
- 1990-12-05 DK DK90810949.9T patent/DK0439995T3/en active
- 1990-12-05 EP EP90810949A patent/EP0439995B1/en not_active Expired - Lifetime
- 1990-12-05 DE DE9090810949T patent/DE59001560D1/en not_active Expired - Fee Related
-
1991
- 1991-01-02 FI FI910018A patent/FI103689B/en active
- 1991-01-29 JP JP00917591A patent/JP3290671B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0439995B1 (en) | 1993-05-26 |
DE59001560D1 (en) | 1993-07-01 |
JPH04211763A (en) | 1992-08-03 |
FI910018A (en) | 1991-07-31 |
FI910018A0 (en) | 1991-01-02 |
DK0439995T3 (en) | 1993-06-21 |
JP3290671B2 (en) | 2002-06-10 |
FI103689B (en) | 1999-08-13 |
EP0439995A1 (en) | 1991-08-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GB | Transfer or assigment of application |
Owner name: WAERTSILAE NSD SCHWEIZ AG |