JPH0365812U - - Google Patents
Info
- Publication number
- JPH0365812U JPH0365812U JP12733689U JP12733689U JPH0365812U JP H0365812 U JPH0365812 U JP H0365812U JP 12733689 U JP12733689 U JP 12733689U JP 12733689 U JP12733689 U JP 12733689U JP H0365812 U JPH0365812 U JP H0365812U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- lift
- engine
- rocker arm
- cam
- 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
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
Description
第１図、第２図は本考案エンジンの可変バルブ
リフト装置の一部縦断正面図で、第１図は低リフ
ト時、第２図は高リフト時を示す。
１……ロツカアーム、２……吸気弁、３……シ
リンダヘツド、４……油圧リフタ、５……ピボツ
ト、６……カム、７……リフタボデイ、９……リ
ザーバ、１０……プランジヤ、１１……第１圧力
室、１２，１６，３２……流通口、１３……第１
逆止弁、１５……窪み（第２圧力室）、１８……
第２逆止弁、２０，２１，３４，３５……オイル
孔、２５……リフト切換弁、２６……有底シリン
ダ、２７……オイル送り通路、２８……オイル戻
り通路、２９……プランジヤ、３６，３７……オ
イル通路。
1 and 2 are partial longitudinal sectional front views of the variable valve lift device of the engine of the present invention, with FIG. 1 showing the state at low lift and FIG. 2 showing the state at high lift. 1... Locker arm, 2... Intake valve, 3... Cylinder head, 4... Hydraulic lifter, 5... Pivot, 6... Cam, 7... Lifter body, 9... Reservoir, 10... Plunger, 11... ...First pressure chamber, 12, 16, 32... Distribution port, 13... First
Check valve, 15... recess (second pressure chamber), 18...
2nd check valve, 20, 21, 34, 35...oil hole, 25...lift switching valve, 26...bottomed cylinder, 27...oil feed passage, 28...oil return passage, 29...plunger , 36, 37...oil passage.
Claims (1)
める弁駆動機構における、前記ロツカアームの支
点に油圧リフタを設け、これをエンジンの運転状
態に応動するリフト切換弁により制御することを
特徴とするエンジンの可変バルブリフト装置。 A variable valve lift for an engine, in which a hydraulic lifter is provided at the fulcrum of the rocker arm in a valve drive mechanism that operates a valve via a rocker arm by a cam, and is controlled by a lift switching valve that responds to the operating state of the engine. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12733689U JPH0365812U (en) | 1989-10-31 | 1989-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12733689U JPH0365812U (en) | 1989-10-31 | 1989-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0365812U true JPH0365812U (en) | 1991-06-26 |
Family
ID=31675094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12733689U Pending JPH0365812U (en) | 1989-10-31 | 1989-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0365812U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6125905A (en) * | 1984-07-13 | 1986-02-05 | Hitachi Ltd | Variable valve timing control device |
| JPS6185517A (en) * | 1984-09-28 | 1986-05-01 | アライド・コーポレーシヨン | A method for making the valve timing of an internal combustion engine variable, and an internal combustion engine to which this method is applied |
-
1989
- 1989-10-31 JP JP12733689U patent/JPH0365812U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6125905A (en) * | 1984-07-13 | 1986-02-05 | Hitachi Ltd | Variable valve timing control device |
| JPS6185517A (en) * | 1984-09-28 | 1986-05-01 | アライド・コーポレーシヨン | A method for making the valve timing of an internal combustion engine variable, and an internal combustion engine to which this method is applied |