JPH01157211U - - Google Patents
Info
- Publication number
- JPH01157211U JPH01157211U JP5266888U JP5266888U JPH01157211U JP H01157211 U JPH01157211 U JP H01157211U JP 5266888 U JP5266888 U JP 5266888U JP 5266888 U JP5266888 U JP 5266888U JP H01157211 U JPH01157211 U JP H01157211U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- pressure side
- predetermined value
- oil passage
- pressure
- 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
- 238000005461 lubrication Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Valve Device For Special Equipments (AREA)
Description
図面は本考案の実施例を例示し、第１図は全体
構成図、第２図は油圧アクチユエータがオン作動
したときの要部を示す縦断側面図、第３図は油圧
アクチユエータがオン作動したときの高速用カム
を示す縦断側面図、第４図は油圧アクチユエータ
の作動が停止したときの要部を示す縦断側面図、
第５図は油圧アクチユエータの作動が停止したと
きの高速用カムを示す縦断側面図である。
８……オイル通路、２０……油圧アクチユエー
タ、３０……切換バルブ、４０……レギユレータ
バルブ。
The drawings illustrate an embodiment of the present invention, in which Fig. 1 is an overall configuration diagram, Fig. 2 is a vertical cross-sectional side view showing the main parts when the hydraulic actuator is turned on, and Fig. 3 is when the hydraulic actuator is turned on. Fig. 4 is a longitudinal side view showing the main parts when the hydraulic actuator stops operating;
FIG. 5 is a longitudinal side view showing the high-speed cam when the hydraulic actuator stops operating. 8...Oil passage, 20...Hydraulic actuator, 30...Switching valve, 40...Regulator valve.
Claims (1)
イル通路からの油圧を受け該油圧が所定値よりも
高いときに作動する油圧アクチユエータと、上記
オイル通路への供給油圧を上記所定値よりも高い
高圧側とそれよりも低い低圧側とに切換える切換
バルブと、該切換バルブの低圧側への切換時には
オイル通路のオイルを一部ドレンして油圧を上記
所定値よりも低く保持し切換バルブの高圧側への
切換時にはドレンを停止するレギユレータバルブ
とを設けたことを特徴とするエンジンの油圧コン
トロール装置。 an oil passage that supplies oil to the lubrication section; a hydraulic actuator that receives oil pressure from the oil passage and operates when the oil pressure is higher than a predetermined value; and a hydraulic actuator that supplies oil pressure to the oil passage at a high pressure higher than the predetermined value. A switching valve that switches between the low pressure side and a lower pressure side, and when switching the switching valve to the low pressure side, part of the oil in the oil passage is drained to maintain the oil pressure lower than the above predetermined value, and the high pressure side of the switching valve A hydraulic control device for an engine, characterized in that it is provided with a regulator valve that stops draining when switching to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988052668U JPH089363Y2 (en) | 1988-04-19 | 1988-04-19 | Engine hydraulic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988052668U JPH089363Y2 (en) | 1988-04-19 | 1988-04-19 | Engine hydraulic control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01157211U true JPH01157211U (en) | 1989-10-30 |
| JPH089363Y2 JPH089363Y2 (en) | 1996-03-21 |
Family
ID=31278675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988052668U Expired - Lifetime JPH089363Y2 (en) | 1988-04-19 | 1988-04-19 | Engine hydraulic control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH089363Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012102699A (en) * | 2010-11-12 | 2012-05-31 | Toyota Motor Corp | Variable valve device of internal combustion engine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62149680U (en) * | 1986-03-14 | 1987-09-22 |
-
1988
- 1988-04-19 JP JP1988052668U patent/JPH089363Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62149680U (en) * | 1986-03-14 | 1987-09-22 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012102699A (en) * | 2010-11-12 | 2012-05-31 | Toyota Motor Corp | Variable valve device of internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH089363Y2 (en) | 1996-03-21 |