JPS5867945U - piston device - Google Patents
piston deviceInfo
- Publication number
- JPS5867945U JPS5867945U JP16255281U JP16255281U JPS5867945U JP S5867945 U JPS5867945 U JP S5867945U JP 16255281 U JP16255281 U JP 16255281U JP 16255281 U JP16255281 U JP 16255281U JP S5867945 U JPS5867945 U JP S5867945U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder liner
- piston
- lower large
- upper small
- annular
- 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
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本案装置の要部断面図である。
1・・・シリンダブロック、3・・・シリンダライナ、
4・・・下向き環状段部、5・・・上部小径内周部、6
・・・下部大径内周部、7・・・ピストン、8・・・上
向き環状段部、9・・・上部小径部、10・・・下部大
径部、11゜13.15・・・環状溝、12・・・ラビ
リンスシールリング、14.16・・・環状シール部材
、17・・・環状圧力室、18・・・環状凹溝、19・
・・シリンダヘッド、20・・・吸気路、21・・・通
路、22・・・燃焼室、23・・・環状凹部、24・・
・環状間隙、25・・・ピストン燃焼室部、26・・・
吸気弁、27・・・排気弁、28・・・ピストンピン、
29・・・コンロッド、30・・・クランク軸、31−
・・クランクケース。The drawing is a sectional view of a main part of the present device. 1... Cylinder block, 3... Cylinder liner,
4...Downward annular step part, 5...Upper small diameter inner peripheral part, 6
...Lower large diameter inner peripheral part, 7...Piston, 8...Upward annular stepped part, 9...Upper small diameter part, 10...Lower large diameter part, 11° 13.15... Annular groove, 12... Labyrinth seal ring, 14. 16... Annular seal member, 17... Annular pressure chamber, 18... Annular groove, 19.
... Cylinder head, 20... Intake path, 21... Passage, 22... Combustion chamber, 23... Annular recess, 24...
- Annular gap, 25...Piston combustion chamber part, 26...
Intake valve, 27...Exhaust valve, 28...Piston pin,
29... Connecting rod, 30... Crankshaft, 31-
··Crankcase.
Claims (1)
面を上部小径内周部に形成するとともに下方の内周面を
下部大径内周部に形成し、ピストンの外周に形成した上
向き環状段部の上方を上部小径部に形成するとともに下
方を下部大径部に形成し、前記シリンダライナの上部小
径内周部に前記ピストンの上部小径部を、下部大径内周
部に下部大径部をそれぞれ摺動自在に嵌装し、前記シリ
ンダライナの下向き環状段部および下部大径内周部と、
前記ピストンの上部小径部および上向き環状段部とで圧
縮比が燃焼室よりも大となる環状圧力室を形成自在とし
、さらに、前記ピストンの上死点付近において前記環状
圧力室に臨み、かつ外気と連通ずる通口を前記シリンダ
ライナの下部大径内周部に設けるとともに前記シリンダ
ライナの上部小径内周部に環状凹部を形成してなるピス
トン装置。The upper inner circumferential surface of the downward annular step formed on the cylinder liner is formed on the upper small diameter inner circumference, the lower inner circumferential surface is formed on the lower large diameter inner circumference, and the upward annular step is formed on the outer periphery of the piston. The upper part of the cylinder liner is formed with an upper small diameter part and the lower part is formed with a lower large diameter part, the upper small diameter part of the piston is formed in the upper small diameter inner periphery of the cylinder liner, and the lower large diameter part is formed in the lower large diameter inner periphery of the cylinder liner. are slidably fitted into the cylinder liner's downward annular stepped portion and the lower large diameter inner peripheral portion;
An annular pressure chamber having a compression ratio higher than that of the combustion chamber can be formed by the upper small diameter portion and the upward annular step of the piston, and further, the annular pressure chamber faces the annular pressure chamber near the top dead center of the piston, and outside air A piston device comprising: a hole communicating with the cylinder liner provided in a lower large-diameter inner circumferential portion of the cylinder liner, and an annular recess formed in an upper small-diameter inner circumferential portion of the cylinder liner.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16255281U JPS5867945U (en) | 1981-10-30 | 1981-10-30 | piston device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16255281U JPS5867945U (en) | 1981-10-30 | 1981-10-30 | piston device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5867945U true JPS5867945U (en) | 1983-05-09 |
JPS636431Y2 JPS636431Y2 (en) | 1988-02-23 |
Family
ID=29954862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16255281U Granted JPS5867945U (en) | 1981-10-30 | 1981-10-30 | piston device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5867945U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015503700A (en) * | 2011-12-29 | 2015-02-02 | エタジェン, インコーポレイテッド | Method and system for managing clearance in a piston engine |
-
1981
- 1981-10-30 JP JP16255281U patent/JPS5867945U/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015503700A (en) * | 2011-12-29 | 2015-02-02 | エタジェン, インコーポレイテッド | Method and system for managing clearance in a piston engine |
Also Published As
Publication number | Publication date |
---|---|
JPS636431Y2 (en) | 1988-02-23 |
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