JP5039790B2 - 2ストローク内燃エンジン - Google Patents
2ストローク内燃エンジン Download PDFInfo
- Publication number
- JP5039790B2 JP5039790B2 JP2009539206A JP2009539206A JP5039790B2 JP 5039790 B2 JP5039790 B2 JP 5039790B2 JP 2009539206 A JP2009539206 A JP 2009539206A JP 2009539206 A JP2009539206 A JP 2009539206A JP 5039790 B2 JP5039790 B2 JP 5039790B2
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- crankcase
- fuel
- air
- separator
- 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.)
- Active
Links
- 238000002485 combustion reaction Methods 0.000 title claims description 15
- 239000003570 air Substances 0.000 claims description 59
- 239000000446 fuel Substances 0.000 claims description 36
- 239000000203 mixture Substances 0.000 claims description 21
- 239000003921 oil Substances 0.000 claims description 17
- 239000010687 lubricating oil Substances 0.000 claims description 12
- 239000000243 solution Substances 0.000 description 8
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M3/00—Lubrication specially adapted for engines with crankcase compression of fuel-air mixture or for other engines in which lubricant is contained in fuel, combustion air, or fuel-air mixture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/08—Separating lubricant from air or fuel-air mixture before entry into cylinder
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
-
- 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
- F02B17/00—Engines characterised by means for effecting stratification of charge in cylinders
- F02B17/005—Engines characterised by means for effecting stratification of charge in cylinders having direct injection in the combustion chamber
-
- 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
- F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
- F02B25/14—Engines characterised by using fresh charge for scavenging cylinders using reverse-flow scavenging, e.g. with both outlet and inlet ports arranged near bottom of piston stroke
- F02B25/18—Engines characterised by using fresh charge for scavenging cylinders using reverse-flow scavenging, e.g. with both outlet and inlet ports arranged near bottom of piston stroke the charge flowing upward essentially along cylinder wall adjacent the inlet ports, e.g. by means of deflection rib on piston
-
- 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
- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
- F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
- F02B33/04—Engines with reciprocating-piston pumps; Engines with crankcase pumps with simple crankcase pumps, i.e. with the rear face of a non-stepped working piston acting as sole pumping member in co-operation with the crankcase
-
- 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
- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
- F02B33/44—Passages conducting the charge from the pump to the engine inlet, e.g. reservoirs
-
- 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
- F02F1/00—Cylinders; Cylinder heads
- F02F1/18—Other cylinders
- F02F1/22—Other cylinders characterised by having ports in cylinder wall for scavenging or charging
-
- 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
- F02F7/0021—Construction
- F02F7/0036—Casings for two-stroke engines with scavenging conduits
-
- 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
- F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
-
- 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
- F02B75/12—Other methods of operation
- F02B2075/125—Direct injection in the combustion chamber for spark ignition engines, i.e. not in pre-combustion chamber
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Description
Claims (1)
- 吸気孔(3)を有するクランクケース(2)と、
クランクケース(2)に接続され、内部に設けられたピストン(5)と共に、燃焼チャンバ(6)を画定する少なくとも一つのシリンダ(4)と
を有し、
前記シリンダ(4)が、吸気ダクト(8)を介して、内部に空気、潤滑オイル及びもしあれば燃料の混合物が収容されたクランクケース(2)に連通する少なくとも一つの吸気孔(7)を備えている
2ストローク内燃エンジンにおいて、
前記吸気ダクト(8)が、セパレータ(10)を介してクランクケース(2)に接続され、
前記セパレータ(10)が、クランクケース(2)からくる空気からオイル及びもしあれば燃料を除去し、
前記セパレータ(10)が遠心分離式チャンバ(11)を有し、この遠心分離式チャンバ(11)内で、潤滑オイル及びもしあれば燃料が、円運動中に、円周壁(12)に向けて外側に押し出され、それにより、実質的に清浄された空気が、前記円運動に関して径方向内側にある出口であるチャンバ出口(13)を介して前記吸気ダクト(8)を通過し、吸気孔(7)を介して燃焼チャンバ(6)に供給され、
前記セパレータ(10)の遠心分離式チャンバ(11)が、前記円運動に関して軸線方向の第一端部(14)を有し、この第一端部(14)が吸気ダクト(15)によってクランクケース(2)に接続され、
前記セパレータ(10)の遠心分離式チャンバ(11)が、前記円運動に関して、軸線方向の第二端部(17)を有し、
この第二端部(17)に、径方向内側のチャンバ出口(13)が形成され、
前記第二端部(17)が、前記円運動に関して、径方向外側のチャンバ出口(19)を有し、
前記チャンバ出口(19)が、リターンダクト(30)によって、クランクケース(2)に接続される
ことを特徴とする内燃エンジン。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0602508A SE529496C2 (sv) | 2006-11-27 | 2006-11-27 | Tvåtaktsförbränningsmotor |
SE0602508-4 | 2006-11-27 | ||
PCT/SE2007/001043 WO2008066448A1 (en) | 2006-11-27 | 2007-11-27 | Two stroke combustion engine |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010511124A JP2010511124A (ja) | 2010-04-08 |
JP2010511124A5 JP2010511124A5 (ja) | 2011-01-20 |
JP5039790B2 true JP5039790B2 (ja) | 2012-10-03 |
Family
ID=38421141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009539206A Active JP5039790B2 (ja) | 2006-11-27 | 2007-11-27 | 2ストローク内燃エンジン |
Country Status (6)
Country | Link |
---|---|
US (1) | US9371751B2 (ja) |
EP (2) | EP2369154A1 (ja) |
JP (1) | JP5039790B2 (ja) |
CN (1) | CN101542087B (ja) |
SE (1) | SE529496C2 (ja) |
WO (1) | WO2008066448A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015169197A (ja) * | 2014-03-11 | 2015-09-28 | 本田技研工業株式会社 | ユニフロー2ストロークエンジン |
JP2015169198A (ja) * | 2014-03-11 | 2015-09-28 | 本田技研工業株式会社 | ユニフロー2ストロークエンジン |
US9695738B2 (en) | 2014-03-11 | 2017-07-04 | Honda Motor Co., Ltd. | Uniflow two-stroke engine |
US9938890B2 (en) | 2014-08-01 | 2018-04-10 | Honda Motor Co., Ltd. | Uniflow two-stroke engine |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8256405B2 (en) * | 2008-06-13 | 2012-09-04 | Kohler Co. | Breather assembly with standpipe for an internal combustion engine |
US8251025B2 (en) * | 2009-08-17 | 2012-08-28 | Grail Engine Technologies, Inc. | Two-stroke engine |
US20130025564A1 (en) * | 2011-07-28 | 2013-01-31 | Electro-Motive Diesel, Inc. | Oil separator for crankcase ventilation |
EP2672082A1 (de) | 2012-06-05 | 2013-12-11 | Wärtsilä Schweiz AG | Schmiermittelsammelvorrichtung |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1808384A (en) | 1929-06-19 | 1931-06-02 | Taneyhill John | Two-cycle engine |
GB733743A (en) * | 1952-08-29 | 1955-07-20 | American Brake Shoe Co | Improvements in or relating to two-stroke-cycle internal combustion engines |
JPS526415B2 (ja) * | 1972-12-08 | 1977-02-22 | ||
JPS54113718A (en) | 1978-02-27 | 1979-09-05 | Onishi Shigeru | Twoocycle internal combustion engine employing active thermal atmosphere combustion |
JPS5965556A (ja) | 1982-10-07 | 1984-04-13 | Nippon Clean Engine Res | 内燃機関の掃気通路及び吸気通路 |
GB2130642B (en) | 1982-10-09 | 1986-02-05 | Nippon Clean Engine Res | A stratified charge two-stroke internal-combustion engine |
JPS59213919A (ja) * | 1983-05-19 | 1984-12-03 | Nippon Clean Engine Res | 層状掃気二サイクル内燃機関 |
JPS59185820A (ja) * | 1983-04-06 | 1984-10-22 | Nippon Clean Engine Res | 層状掃気二サイクル内燃機関 |
US4481910A (en) | 1983-12-29 | 1984-11-13 | Brunswick Corporation | Stratified-charge two-stroke cycle engine |
JPS62113812A (ja) * | 1985-11-12 | 1987-05-25 | Toyota Motor Corp | 2サイクル内燃機関 |
JPS62113809A (ja) * | 1985-11-12 | 1987-05-25 | Toyota Motor Corp | 2サイクル内燃機関 |
DE3731250C1 (en) * | 1987-09-17 | 1988-10-06 | Zochev Donkov Dancho Dipl Ing | Reciprocating piston internal combustion engine with crankcase charge air pumps |
JPH01157215U (ja) * | 1988-04-22 | 1989-10-30 | ||
US5329913A (en) * | 1991-03-26 | 1994-07-19 | Yamaha Hatsudoki Kabushiki Kaisha | Oil vapor separator system for the engine of a gas heat pump air conditioner |
US5261380A (en) * | 1992-07-15 | 1993-11-16 | Ford Motor Company | Crankcase ventilation system for automotive engine |
US5542402A (en) * | 1995-04-05 | 1996-08-06 | Ford Motor Company | Positive crankcase ventilation system with a centrifugal oil separator |
WO1998034016A1 (en) | 1997-02-03 | 1998-08-06 | The Continuous-Cycle Engine Development Co. Limited | Combustion chamber for engines |
RO117278B1 (ro) | 2000-04-26 | 2001-12-28 | Cristian Lungu | Metoda si instalatie de supraalimentare a motorului cu ardere interna |
CN1173111C (zh) * | 2000-05-26 | 2004-10-27 | 陈维机 | 二冲程发动机 |
US6591794B2 (en) * | 2000-10-24 | 2003-07-15 | Zama Japan | Air-fuel ratio control system for a stratified scavenging two-cycle engine |
AT411091B (de) * | 2000-11-30 | 2003-09-25 | Kirchberger Roland Dipl Ing | Viertakt-verbrennungsmotor |
JP3923288B2 (ja) * | 2001-08-06 | 2007-05-30 | 本田技研工業株式会社 | エンジンの気液分離装置 |
JP4199465B2 (ja) * | 2002-02-27 | 2008-12-17 | トヨタ紡織株式会社 | 気液分離装置 |
JP4323203B2 (ja) * | 2003-04-07 | 2009-09-02 | 愛知機械工業株式会社 | 内燃機関のブローバイガス還流装置 |
JP2004353512A (ja) * | 2003-05-28 | 2004-12-16 | Zama Japan Kk | 2サイクルエンジン用気化器 |
JP4103047B2 (ja) * | 2003-11-25 | 2008-06-18 | トヨタ自動車株式会社 | オイルセパレーター及びpcvシステム |
JP2006083809A (ja) * | 2004-09-17 | 2006-03-30 | Yamaha Motor Co Ltd | エンジン駆動式乗り物用オイルタンク |
CN100383365C (zh) * | 2006-03-08 | 2008-04-23 | 无锡开普动力有限公司 | 四冲程发动机的曲轴箱换气结构 |
-
2006
- 2006-11-27 SE SE0602508A patent/SE529496C2/sv unknown
-
2007
- 2007-11-27 JP JP2009539206A patent/JP5039790B2/ja active Active
- 2007-11-27 CN CN2007800393278A patent/CN101542087B/zh active Active
- 2007-11-27 EP EP11005021A patent/EP2369154A1/en not_active Withdrawn
- 2007-11-27 WO PCT/SE2007/001043 patent/WO2008066448A1/en active Application Filing
- 2007-11-27 EP EP07852061A patent/EP2087218B1/en active Active
- 2007-11-27 US US12/311,885 patent/US9371751B2/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015169197A (ja) * | 2014-03-11 | 2015-09-28 | 本田技研工業株式会社 | ユニフロー2ストロークエンジン |
JP2015169198A (ja) * | 2014-03-11 | 2015-09-28 | 本田技研工業株式会社 | ユニフロー2ストロークエンジン |
US9695738B2 (en) | 2014-03-11 | 2017-07-04 | Honda Motor Co., Ltd. | Uniflow two-stroke engine |
US9938890B2 (en) | 2014-08-01 | 2018-04-10 | Honda Motor Co., Ltd. | Uniflow two-stroke engine |
Also Published As
Publication number | Publication date |
---|---|
JP2010511124A (ja) | 2010-04-08 |
US9371751B2 (en) | 2016-06-21 |
EP2087218A1 (en) | 2009-08-12 |
CN101542087A (zh) | 2009-09-23 |
EP2087218A4 (en) | 2011-01-12 |
WO2008066448A1 (en) | 2008-06-05 |
EP2369154A1 (en) | 2011-09-28 |
US20100170485A1 (en) | 2010-07-08 |
SE0602508L (sv) | 2007-08-28 |
EP2087218B1 (en) | 2012-07-11 |
CN101542087B (zh) | 2010-09-29 |
SE529496C2 (sv) | 2007-08-28 |
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