JP2010133362A - 2サイクルエンジン - Google Patents
2サイクルエンジン Download PDFInfo
- Publication number
- JP2010133362A JP2010133362A JP2008311104A JP2008311104A JP2010133362A JP 2010133362 A JP2010133362 A JP 2010133362A JP 2008311104 A JP2008311104 A JP 2008311104A JP 2008311104 A JP2008311104 A JP 2008311104A JP 2010133362 A JP2010133362 A JP 2010133362A
- Authority
- JP
- Japan
- Prior art keywords
- piston
- crankshaft
- exhaust hole
- dead center
- connecting rod
- 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
- 230000002000 scavenging effect Effects 0.000 claims abstract description 32
- 238000002485 combustion reaction Methods 0.000 claims abstract description 28
- 239000000446 fuel Substances 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 description 5
- 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)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
【解決手段】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、クランクシャフト1の回転駆動に従い燃焼室4内を往復動することにより、掃気孔11及び排気孔10の開閉を制御する2サイクルエンジン100であって、クランクシャフト1の回転中心Rを通りピストン3の往復動方向に平行な直線A1に対し、ピストン3が下死点から上死点に移動し排気孔10が閉となるときのクランクシャフト1のコンロッド2との連結中心Pの位置と同じ側にピストン3のコンロッド2との連結位置CをオフセットDし、混合気の導入と排気ガスの排出とを十分に行い、ガス交換の効率化を図ると共に、吹き抜けの原因となる掃気行程後の排気孔10の閉口までの時間を短くし、吹き抜けを効果的に減少する。
【選択図】図1
Description
Claims (2)
- 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いることを特徴とする2サイクルエンジン(100)。 - 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いることを特徴とする請求項1記載の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 true JP2010133362A (ja) | 2010-06-17 |
JP4719266B2 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 (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5637066Y2 (ja) * | 1976-05-20 | 1981-08-31 | ||
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 |
JPH02149731A (ja) * | 1988-12-01 | 1990-06-08 | Yamaha Motor Co Ltd | ピストン・クランク機構 |
JPH0223795Y2 (ja) * | 1983-06-20 | 1990-06-28 |
Family Cites Families (16)
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 |
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 SE SE0950926A patent/SE534556C2/sv not_active IP Right Cessation
- 2009-12-02 US US12/629,240 patent/US8215269B2/en not_active Expired - Fee Related
- 2009-12-04 DE DE102009057071A patent/DE102009057071A1/de not_active Ceased
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5637066Y2 (ja) * | 1976-05-20 | 1981-08-31 | ||
JPH0223795Y2 (ja) * | 1983-06-20 | 1990-06-28 | ||
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 |
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 |
---|---|
US20100139637A1 (en) | 2010-06-10 |
JP4719266B2 (ja) | 2011-07-06 |
DE102009057071A1 (de) | 2010-06-17 |
SE534556C2 (sv) | 2011-10-04 |
SE0950926A1 (sv) | 2010-06-06 |
US8215269B2 (en) | 2012-07-10 |
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