JPS63108538U - - Google Patents
Info
- Publication number
- JPS63108538U JPS63108538U JP79687U JP79687U JPS63108538U JP S63108538 U JPS63108538 U JP S63108538U JP 79687 U JP79687 U JP 79687U JP 79687 U JP79687 U JP 79687U JP S63108538 U JPS63108538 U JP S63108538U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- piston
- internal combustion
- combustion engine
- compression ratio
- 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
- 238000002485 combustion reaction Methods 0.000 claims 3
- 230000006835 compression Effects 0.000 claims 3
- 238000007906 compression Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
第１図は本考案の第１実施例の断面図、第２図
はこの実施例のオイルフイルタを構成する部材の
斜視図、第３図、第４図はこの考案の第２、第３
の実施例のピストンピンの断面図である。第５図
はこの考案の第４実施例のピストンピンの断面図
、第６図はこの実施例のＡ―Ａ線断面図、第７図
はこの実施例の第５実施例のピストンピンの断面
図、第８図はこの実施例のＢ―Ｂ線断面図である
。第９図は従来例の概略構成図である。
１……ピストン本体、２……インナーピストン
、２Ｈ……通孔、３……ピストンピン、３Ｃ……
小径部、３Ｄ……大径部、３Ｆ，３Ｇ……通孔、
４……コンロツド、４Ａ……通孔、５……油室（
主室）、１６……チエツク弁、２０……オイルフ
イルタ、２０Ｂ……網状体、２１……ホルダ、２
３……盲栓、２５Ａ，２５Ｃ，２９Ａ……小径部
、２５Ｂ，２９Ｂ……大径部、２６……円筒状部
材、２７……金属環、２８，２８Ａ，２８Ｂ……
円筒状室、３０……ピストンピン油室。
Fig. 1 is a sectional view of the first embodiment of the present invention, Fig. 2 is a perspective view of the members constituting the oil filter of this embodiment, and Figs. 3 and 4 are the second and third embodiments of the invention.
It is a sectional view of the piston pin of the example. FIG. 5 is a sectional view of a piston pin according to a fourth embodiment of this invention, FIG. 6 is a sectional view taken along line A--A of this embodiment, and FIG. 7 is a sectional view of a piston pin of a fifth embodiment of this embodiment. 8 are sectional views taken along the line BB of this embodiment. FIG. 9 is a schematic diagram of a conventional example. 1...Piston body, 2...Inner piston, 2H...Through hole, 3...Piston pin, 3C...
Small diameter part, 3D...large diameter part, 3F, 3G...through hole,
4... Conn rod, 4A... Through hole, 5... Oil chamber (
Main chamber), 16... Check valve, 20... Oil filter, 20B... Reticular body, 21... Holder, 2
3... Blind plug, 25A, 25C, 29A... Small diameter part, 25B, 29B... Large diameter part, 26... Cylindrical member, 27... Metal ring, 28, 28A, 28B...
Cylindrical chamber, 30... Piston pin oil chamber.
Claims (1)
ストンを設け、このインナーピストンをピストン
ピンを介してコンロツドに摺動自在に連結すると
ともに、前記ピストン本体とインナーピストンの
間に油室を形成し、この油室に前記コンロツド、
ピストンピン及びインナーピストンに設けた油経
路を介して加圧油を供給する一方で、機関運転条
件に応じて前記油系路の油圧を切換えるようにし
た内燃機関の圧縮比可変装置において、前記ピス
トンピンの内部に形成した油経路にオイルフイル
タを介装したことを特徴とする内燃機関の圧縮比
可変装置。 An inner piston that is slidably fitted into the piston body is provided, and this inner piston is slidably connected to the connecting rod via a piston pin, and an oil chamber is formed between the piston body and the inner piston. The said stove in the oil room,
In a variable compression ratio device for an internal combustion engine, the compression ratio variable device for an internal combustion engine is configured to supply pressurized oil through an oil path provided in a piston pin and an inner piston, and to switch the oil pressure in the oil path depending on engine operating conditions. A variable compression ratio device for an internal combustion engine, characterized in that an oil filter is interposed in an oil path formed inside a pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP79687U JPS63108538U (en) | 1987-01-07 | 1987-01-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP79687U JPS63108538U (en) | 1987-01-07 | 1987-01-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63108538U true JPS63108538U (en) | 1988-07-13 |
Family
ID=30778101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP79687U Pending JPS63108538U (en) | 1987-01-07 | 1987-01-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63108538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016161135A (en) * | 2015-03-05 | 2016-09-05 | ドクター エンジニール ハー ツェー エフ ポルシェ アクチエンゲゼルシャフトＤｒ． Ｉｎｇ． ｈ．ｃ． Ｆ． Ｐｏｒｓｃｈｅ Ａｋｔｉｅｎｇｅｓｅｌｌｓｃｈａｆｔ | Connecting rod and internal combustion engine |
-
1987
- 1987-01-07 JP JP79687U patent/JPS63108538U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016161135A (en) * | 2015-03-05 | 2016-09-05 | ドクター エンジニール ハー ツェー エフ ポルシェ アクチエンゲゼルシャフトＤｒ． Ｉｎｇ． ｈ．ｃ． Ｆ． Ｐｏｒｓｃｈｅ Ａｋｔｉｅｎｇｅｓｅｌｌｓｃｈａｆｔ | Connecting rod and internal combustion engine |
| CN105937444A (en) * | 2015-03-05 | 2016-09-14 | 保时捷股份公司 | Connecting rod and internal combustion engine |