JPH0475147U - - Google Patents
Info
- Publication number
- JPH0475147U JPH0475147U JP11926290U JP11926290U JPH0475147U JP H0475147 U JPH0475147 U JP H0475147U JP 11926290 U JP11926290 U JP 11926290U JP 11926290 U JP11926290 U JP 11926290U JP H0475147 U JPH0475147 U JP H0475147U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- scavenging
- stroke engine
- port
- attached
- 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 6
- 238000005461 lubrication Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Supercharger (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図は本考案によるピストンの一実施例を示
す断面図、第２図は一実施例の作用を説明するピ
ストンスカート部の部分拡大断面図、第３図は一
実施例が適用される２サイクル直噴エンジンの概
略構成断面図である。
１……エンジン本体、２……シリンダ、３……
ピストン、３ａ……ピストンランド、３ｂ，３ｃ
，３ｅ，３ｆ……リング溝、３ｄ……ピストンス
カート部、４……クランクケース、５……クラン
ク軸、６……コネクテイングロツド、７……バラ
ンサ、８……オイルパン、９……燃焼室、１０…
…点火プラグ、１１……インジエクタ、１２……
排気ポート、１３……排気ロータリバルブ、１４
……ベルト伝動手段、１５……排気管、１６……
排気チヤンバ、１７……マフラ、１８……掃気ポ
ート、１９……掃気管、２０……掃気チヤンバ、
２１……インタークーラ、２２……掃気ポンプ、
２３……ベルト伝動手段、２４……吸入管、２５
……エアクリーナ、２６……バイパス通路、２７
……アクセルペダル、２８……制御弁、２９……
エアフローメータ、３０……コンプレツシヨンリ
ング、３１，３３……オイルリング、３２……ガ
スシールリング。
Fig. 1 is a sectional view showing an embodiment of the piston according to the present invention, Fig. 2 is a partially enlarged sectional view of the piston skirt portion explaining the operation of the embodiment, and Fig. 3 is a sectional view of the piston to which the embodiment is applied. FIG. 1 is a schematic cross-sectional view of a cycle direct injection engine. 1...Engine body, 2...Cylinder, 3...
Piston, 3a...Piston land, 3b, 3c
, 3e, 3f...Ring groove, 3d...Piston skirt portion, 4...Crank case, 5...Crankshaft, 6...Connecting rod, 7...Balancer, 8...Oil pan, 9... Combustion chamber, 10...
...Spark plug, 11...Injector, 12...
Exhaust port, 13...Exhaust rotary valve, 14
...Belt transmission means, 15...Exhaust pipe, 16...
Exhaust chamber, 17... muffler, 18... scavenging port, 19... scavenging pipe, 20... scavenging chamber,
21...Intercooler, 22...Scavenging pump,
23...Belt transmission means, 24...Suction pipe, 25
...Air cleaner, 26...Bypass passage, 27
...Accelerator pedal, 28...Control valve, 29...
Air flow meter, 30... compression ring, 31, 33... oil ring, 32... gas seal ring.
Claims (1)
備えた２サイクルエンジンのピストンであつて、 ピストンランド部の他にピストン上死点位置で
掃気ポートおよび排気ポートより下方となるピス
トンスカート部にもガスシールリングを装着し、
その下方にオイルリングを装着したことを特徴と
する２サイクルエンジンのピストン。[Scope of Claim for Utility Model Registration] A piston for a two-stroke engine equipped with a scavenging pump and a wet sump lubrication device, including a piston skirt that is located below the scavenging port and the exhaust port at the top dead center position of the piston, in addition to the piston land. A gas seal ring is also attached to the
A two-stroke engine piston characterized by an oil ring attached below it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11926290U JPH0475147U (en) | 1990-11-14 | 1990-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11926290U JPH0475147U (en) | 1990-11-14 | 1990-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0475147U true JPH0475147U (en) | 1992-06-30 |
Family
ID=31867230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11926290U Pending JPH0475147U (en) | 1990-11-14 | 1990-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0475147U (en) |
-
1990
- 1990-11-14 JP JP11926290U patent/JPH0475147U/ja active Pending
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