JP4719266B2 - 2サイクルエンジン - Google Patents
2サイクルエンジン Download PDFInfo
- Publication number
- JP4719266B2 JP4719266B2 JP2008311104A JP2008311104A JP4719266B2 JP 4719266 B2 JP4719266 B2 JP 4719266B2 JP 2008311104 A JP2008311104 A JP 2008311104A JP 2008311104 A JP2008311104 A JP 2008311104A JP 4719266 B2 JP4719266 B2 JP 4719266B2
- Authority
- JP
- Japan
- Prior art keywords
- piston
- crankshaft
- dead center
- exhaust hole
- center
- 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
- 230000002000 scavenging effect Effects 0.000 claims description 30
- 238000002485 combustion reaction Methods 0.000 claims description 27
- 239000000446 fuel Substances 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 description 6
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D39/00—Other non-electrical control
- F02D39/04—Other non-electrical control for engines with other cycles than four-stroke, e.g. two-stroke
-
- 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
- F02B25/16—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 opposite the inlet ports
-
- 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
- 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)
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
Claims (1)
- 燃焼室(4)に燃料を含有する作動ガスを導入する掃気孔(11)と、前記燃焼室(4)内のガスを排出する排気孔(10)とを備える2サイクルエンジン(100)であって、クランクシャフト(1)にコンロッド(2)を介して連結されたピストン(3)が、前記クランクシャフト(1)の回転駆動に従い前記燃焼室(4)内を往復動することにより、前記掃気孔(11)及び前記排気孔(10)の開閉を制御して、前記ピストン(3)が上死点から下死点に至る場合には、前記排気孔(10)、前記掃気孔(11)の順で開とし、前記ピストン(3)が下死点から上死点に至る場合には、前記掃気孔(11)、前記排気孔(10)の順で閉とする2サイクルエンジン(100)において、
前記ピストン(3)の前記コンロッド(2)との連結位置(C)は、前記クランクシャフト(1)の回転中心(R)を通り前記ピストン(3)の往復動方向に平行な直線(A1)に対し、前記ピストン(3)が下死点から上死点に移動し前記排気孔(10)が閉となるときの前記クランクシャフト(1)の前記コンロッド(2)との連結中心(P)の位置と同じ側にオフセットされており、
前記ピストン(3)と前記コンロッド(2)との前記連結位置(C)は、前記ピストン(3)の中心軸(A2)上にあり、
前記排気孔(10)は、前記直線(A1)を挟んで前記連結位置(C)のオフセットしている側と反対側に設けられており、
前記排気孔(10)側に冷却フィン(14)が設けられていることを特徴とする2サイクルエンジン(100)。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008311104A JP4719266B2 (ja) | 2008-12-05 | 2008-12-05 | 2サイクルエンジン |
US12/629,240 US8215269B2 (en) | 2008-12-05 | 2009-12-02 | Two-stroke engine |
SE0950926A SE534556C2 (sv) | 2008-12-05 | 2009-12-02 | Tvåtaktsmotor med förskjuten vevaxel |
DE102009057071A DE102009057071A1 (de) | 2008-12-05 | 2009-12-04 | Zweitaktmotor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008311104A JP4719266B2 (ja) | 2008-12-05 | 2008-12-05 | 2サイクルエンジン |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010133362A JP2010133362A (ja) | 2010-06-17 |
JP4719266B2 true JP4719266B2 (ja) | 2011-07-06 |
Family
ID=42168973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008311104A Active JP4719266B2 (ja) | 2008-12-05 | 2008-12-05 | 2サイクルエンジン |
Country Status (4)
Country | Link |
---|---|
US (1) | US8215269B2 (ja) |
JP (1) | JP4719266B2 (ja) |
DE (1) | DE102009057071A1 (ja) |
SE (1) | SE534556C2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR102012021332A2 (pt) * | 2012-08-24 | 2014-06-10 | Mauro Otmar Kissmann | Aperfeiçoamento em motor dois tempos com efeito válvula |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5637066Y2 (ja) * | 1976-05-20 | 1981-08-31 | ||
JPH02149731A (ja) * | 1988-12-01 | 1990-06-08 | Yamaha Motor Co Ltd | ピストン・クランク機構 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1956804A (en) * | 1931-03-30 | 1934-05-01 | Continental Motors Corp | Engine |
JPS52155828A (en) | 1976-06-21 | 1977-12-24 | Hitachi Ltd | Lining structure |
JPS5489115A (en) | 1977-12-26 | 1979-07-14 | Suzuki Motor Co Ltd | Scuffing preventing device of piston engine |
IL58176A0 (en) | 1979-09-04 | 1979-12-30 | Bron Dan | A self-regulating nozzle for a liquid supply line |
US5076220A (en) * | 1980-12-02 | 1991-12-31 | Hugh G. Evans | Internal combustion engine |
JPS603238U (ja) * | 1983-06-20 | 1985-01-11 | 川崎重工業株式会社 | 往復動内燃機関のピストンクランク機構 |
JPS6345425A (ja) * | 1986-08-10 | 1988-02-26 | Shirou Daidou | 自動車一般陸舶用4及び2サイクル・エンジンの改良 |
GB8813073D0 (en) * | 1988-06-02 | 1988-07-06 | Kisch R | Improved efficiency in reciprocating combustion engines |
US5146884A (en) | 1990-11-26 | 1992-09-15 | Merkel Ronald F | Engine with an offset crankshaft |
US5186127A (en) * | 1991-01-28 | 1993-02-16 | Lorenzo Cuatico | Internal combustion engine with offset connecting journal |
JPH06307256A (ja) * | 1993-04-23 | 1994-11-01 | Yuji Haneda | 内燃機関 |
US5816201A (en) * | 1997-07-07 | 1998-10-06 | Garvin; Edward A. | Offset crankshaft mechanism for an internal combustion engine |
US6173683B1 (en) * | 1998-01-04 | 2001-01-16 | Maruyama Mfg. Co., Inc. | Two-stroke cycle engine |
US6058901A (en) * | 1998-11-03 | 2000-05-09 | Ford Global Technologies, Inc. | Offset crankshaft engine |
US6748909B2 (en) * | 1999-01-07 | 2004-06-15 | Daniel Drecq | Internal combustion engine driving a compressor |
JP2001140651A (ja) | 1999-11-12 | 2001-05-22 | Maruyama Mfg Co Ltd | 2サイクルエンジン |
SE9904843D0 (sv) * | 1999-12-30 | 1999-12-30 | Rune Nystroem | Anordning för omvandling av linjär rörelse till rotationsrörelse |
JP3606237B2 (ja) * | 2001-07-25 | 2005-01-05 | 日産自動車株式会社 | 内燃機関 |
-
2008
- 2008-12-05 JP JP2008311104A patent/JP4719266B2/ja active Active
-
2009
- 2009-12-02 US US12/629,240 patent/US8215269B2/en not_active Expired - Fee Related
- 2009-12-02 SE SE0950926A patent/SE534556C2/sv not_active IP Right Cessation
- 2009-12-04 DE DE102009057071A patent/DE102009057071A1/de not_active Ceased
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5637066Y2 (ja) * | 1976-05-20 | 1981-08-31 | ||
JPH02149731A (ja) * | 1988-12-01 | 1990-06-08 | Yamaha Motor Co Ltd | ピストン・クランク機構 |
Also Published As
Publication number | Publication date |
---|---|
JP2010133362A (ja) | 2010-06-17 |
DE102009057071A1 (de) | 2010-06-17 |
SE534556C2 (sv) | 2011-10-04 |
SE0950926A1 (sv) | 2010-06-06 |
US8215269B2 (en) | 2012-07-10 |
US20100139637A1 (en) | 2010-06-10 |
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