JPH0479906U - - Google Patents
Info
- Publication number
- JPH0479906U JPH0479906U JP12369390U JP12369390U JPH0479906U JP H0479906 U JPH0479906 U JP H0479906U JP 12369390 U JP12369390 U JP 12369390U JP 12369390 U JP12369390 U JP 12369390U JP H0479906 U JPH0479906 U JP H0479906U
- Authority
- JP
- Japan
- Prior art keywords
- lubricating oil
- passage
- scavenging
- oil recovery
- stroke engine
- 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.)
- Pending
Links
- 230000002000 scavenging effect Effects 0.000 claims description 12
- 239000010687 lubricating oil Substances 0.000 claims description 11
- 238000011084 recovery Methods 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 2
- 239000000446 fuel Substances 0.000 claims 1
- 230000036316 preload Effects 0.000 claims 1
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
第１図は本考案を適用した２サイクルエンジン
の断面図、第２図はその変形例を示す部分的断面
図、第３図は本考案の他の実施例を示す第１図と
同様な断面図、第４図は本考案のさらに他の実施
例を示す２サイクルエンジンの断面図である。
１……クランクケース、２……シリンダブロツ
ク、３……シリンダヘツド、４……クランク軸、
５……主軸受、６……シリンダ孔、７……ピスト
ン、８……連接棒、９……点火プラグ、１０……
燃焼室、１１……掃気口、１２……掃気通路、１
３……透孔、１４……隔壁、１５……潤滑油回収
通路、１６……開口、１７……弁室、１８……リ
ード弁、１９……潤滑油通路、２０……オイルシ
ール、２１……油室、２２……通路、２３……潤
滑油取出管、２４……多孔質体、２５……孔、２
６……支持網、２７……回収溝、２８……一方弁
、２９……吸気通路、３０……リード弁、３１…
…吸気口、３２……補助掃気口、３３……補助掃
気通路、３４……多孔質体、３５……固定用ねじ
、３６……回収溝部、３７……潤滑油通路、３８
……クランクウエブ。
Fig. 1 is a sectional view of a two-stroke engine to which the present invention is applied, Fig. 2 is a partial sectional view showing a modification thereof, and Fig. 3 is a sectional view similar to Fig. 1 showing another embodiment of the present invention. 4 are sectional views of a two-stroke engine showing still another embodiment of the present invention. 1... Crank case, 2... Cylinder block, 3... Cylinder head, 4... Crank shaft,
5... Main bearing, 6... Cylinder hole, 7... Piston, 8... Connecting rod, 9... Spark plug, 10...
Combustion chamber, 11...Scavenging port, 12...Scavenging passage, 1
3... Through hole, 14... Partition wall, 15... Lubricating oil recovery passage, 16... Opening, 17... Valve chamber, 18... Reed valve, 19... Lubricating oil passage, 20... Oil seal, 21 ... Oil chamber, 22 ... Passage, 23 ... Lubricating oil outlet pipe, 24 ... Porous body, 25 ... Hole, 2
6...Support net, 27...Recovery groove, 28...One-way valve, 29...Intake passage, 30...Reed valve, 31...
...Intake port, 32...Auxiliary scavenging port, 33...Auxiliary scavenging passage, 34...Porous body, 35...Fixing screw, 36...Recovery groove, 37...Lubricating oil passage, 38
...Crank web.
Claims (1)
入し該クランク室から掃気通路を通して燃焼室へ
圧送するクランク室予圧式２サイクルエンジンに
おいて、前記掃気通路に前記混合気から分離した
潤滑油を回収する潤滑油回収手段を設けたことを
特徴とする２サイクルエンジンの掃気装置。 (2) 前記潤滑油回収手段が、前記掃気通路の少
なくとも一部の内壁面に沿わせた透孔を有する隔
壁と、該隔壁と前記内壁面との間に形成された潤
滑油回収通路とから成る請求項１記載の２サイク
ルエンジンの掃気装置。 (3) 前記潤滑油回収手段が、前記掃気通路の長
手方向の少くとも一部において該通路に装填され
た多孔質体と、前記掃気通路の壁部に前記多孔質
体に接して形成された潤滑油回収通路とから成る
請求項１記載の２サイクルエンジンの掃気装置。[Claims for Utility Model Registration] (1) In a crank chamber preload type two-stroke engine in which a mixture containing lubricating oil is sucked into a crank chamber and is forcefully conveyed from the crank chamber to a combustion chamber through a scavenging passage, A scavenging device for a two-stroke engine, characterized in that it is provided with a lubricating oil recovery means for recovering lubricating oil separated from an air-fuel mixture. (2) The lubricating oil recovery means includes a partition wall having a through hole along at least a part of the inner wall surface of the scavenging passage, and a lubricating oil recovery passage formed between the partition wall and the inner wall surface. 2. A scavenging device for a two-stroke engine according to claim 1. (3) The lubricating oil recovery means is formed on a porous body loaded in the scavenging passage in at least a portion of the longitudinal direction of the scavenging passage, and on a wall of the scavenging passage in contact with the porous body. 2. The scavenging device for a two-stroke engine according to claim 1, further comprising a lubricating oil recovery passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12369390U JPH0479906U (en) | 1990-11-27 | 1990-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12369390U JPH0479906U (en) | 1990-11-27 | 1990-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0479906U true JPH0479906U (en) | 1992-07-13 |
Family
ID=31871386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12369390U Pending JPH0479906U (en) | 1990-11-27 | 1990-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0479906U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013221468A (en) * | 2012-04-18 | 2013-10-28 | Diesel United:Kk | Preignition prevention device for two-stroke engine |
-
1990
- 1990-11-27 JP JP12369390U patent/JPH0479906U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013221468A (en) * | 2012-04-18 | 2013-10-28 | Diesel United:Kk | Preignition prevention device for two-stroke engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH027313U (en) | ||
| JPH0479906U (en) | ||
| JPS63158515U (en) | ||
| JPS6215451Y2 (en) | ||
| JPS6361515U (en) | ||
| JPH02103109U (en) | ||
| JPH066195Y2 (en) | Two-cycle engine pool fuel return system | |
| JPH0294312U (en) | ||
| JPS58146822U (en) | Scavenging device for 2-stroke engine | |
| JPS6229457U (en) | ||
| JPH0222625U (en) | ||
| JPS5943633U (en) | two-stroke internal combustion engine | |
| SE8802955L (en) | TVAATAKTSFOERBRAENNINGSMOTOR | |
| JPH01145921U (en) | ||
| JPS6155112U (en) | ||
| JPS6297208U (en) | ||
| JPS63132841U (en) | ||
| JPS63126520U (en) | ||
| JPS5985331U (en) | 2 cycle engine | |
| JPH02145631U (en) | ||
| JPH0285813U (en) | ||
| JPH0354239U (en) | ||
| JPS6188017U (en) | ||
| JPS6024820U (en) | Crankcase reed valve type 2-stroke engine | |
| JPS6284607U (en) |