JPH0195548U - - Google Patents
Info
- Publication number
- JPH0195548U JPH0195548U JP19030387U JP19030387U JPH0195548U JP H0195548 U JPH0195548 U JP H0195548U JP 19030387 U JP19030387 U JP 19030387U JP 19030387 U JP19030387 U JP 19030387U JP H0195548 U JPH0195548 U JP H0195548U
- Authority
- JP
- Japan
- Prior art keywords
- compression ratio
- liquid chamber
- hydraulic circuit
- upper liquid
- ratio device
- 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
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
第１図はこの考案の第１実施例の高圧縮比状態
を示す要部断面図、第２図は同第１実施例の低圧
縮比状態を示す要部断面図、第３図はこの実施例
の要部拡大図、第４図は第２実施例の要部拡大図
、第５図は従来の圧縮比可変装置を示す全体構成
図である。
２１…アウタピストン、２９…インナピストン
、３１…上部液室、３３…油圧回路、３９……導
出通路、４４…開閉弁。
Fig. 1 is a sectional view of a main part showing a high compression ratio state of the first embodiment of this invention, Fig. 2 is a sectional view of a main part showing a low compression ratio state of the first embodiment, and Fig. 3 is a sectional view of a main part showing a low compression ratio state of the first embodiment. FIG. 4 is an enlarged view of the main parts of the second embodiment, and FIG. 5 is an overall configuration diagram showing a conventional variable compression ratio device. 21...Outer piston, 29...Inner piston, 31...Upper liquid chamber, 33...Hydraulic circuit, 39...Leading passage, 44...Opening/closing valve.
Claims (1)
された上部液室に、油圧回路を介して油を給排し
て高低圧縮比の切り替えを行うようにした圧縮比
可変装置において、上記油圧回路は、機関停止時
に上記上部液室内の油を、開閉弁を介して外部に
導出する導出通路を備えたことを特徴とする内燃
機関の圧縮比可変装置。 In a variable compression ratio device that switches between high and low compression ratios by supplying and discharging oil to and from an upper liquid chamber formed between an inner piston and an outer piston via a hydraulic circuit, the hydraulic circuit is A variable compression ratio device for an internal combustion engine, characterized in that it is provided with a discharge passage for guiding oil in the upper liquid chamber to the outside through an on-off valve when the engine is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19030387U JPH0195548U (en) | 1987-12-15 | 1987-12-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19030387U JPH0195548U (en) | 1987-12-15 | 1987-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0195548U true JPH0195548U (en) | 1989-06-23 |
Family
ID=31481288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19030387U Pending JPH0195548U (en) | 1987-12-15 | 1987-12-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0195548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017500468A (en) * | 2013-11-08 | 2017-01-05 | アカーテース パワー，インク． | Lubrication configuration to maintain wrist pin hydraulic pressure in a two-cycle opposed piston engine |
-
1987
- 1987-12-15 JP JP19030387U patent/JPH0195548U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017500468A (en) * | 2013-11-08 | 2017-01-05 | アカーテース パワー，インク． | Lubrication configuration to maintain wrist pin hydraulic pressure in a two-cycle opposed piston engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0195548U (en) | ||
| JPS63102988U (en) | ||
| JPS6449648U (en) | ||
| JPS6451742U (en) | ||
| JPH0444450U (en) | ||
| JPS6449649U (en) | ||
| JPS623964U (en) | ||
| JPH0163741U (en) | ||
| JPS6049205U (en) | Hydraulic valve gap adjustment device for internal combustion engines | |
| JPH0484772U (en) | ||
| JPS62152017U (en) | ||
| JPS6425437U (en) | ||
| JPS61126006U (en) | ||
| JPS63164534U (en) | ||
| JPS61121911U (en) | ||
| JPS63110643U (en) | ||
| JPH0319457U (en) | ||
| JPH01119812U (en) | ||
| JPS63191251U (en) | ||
| JPS62114133U (en) | ||
| JPS63202749U (en) | ||
| JPS6446447U (en) | ||
| JPS63193713U (en) | ||
| JPS6243113U (en) | ||
| JPS62133987U (en) |