JPH0220748U - - Google Patents
Info
- Publication number
- JPH0220748U JPH0220748U JP9924088U JP9924088U JPH0220748U JP H0220748 U JPH0220748 U JP H0220748U JP 9924088 U JP9924088 U JP 9924088U JP 9924088 U JP9924088 U JP 9924088U JP H0220748 U JPH0220748 U JP H0220748U
- Authority
- JP
- Japan
- Prior art keywords
- control cam
- chamber
- movable piston
- sub
- rotates
- 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
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
第１図はこの考案の実施例を示す低圧縮比運転
時での構成図、第２図は同じく油圧アジヤスタの
断面図、第３図は同じくコントローラによる制御
の一例を示す特性図、第４図は同じく高圧縮比運
転時での作動説明図、第５図は空気噴射運転時で
の作動説明図である。
２……燃焼室、３……副室、４……可動ピスト
ン、７……ロツカアーム、８……圧縮比制御カム
、９……エアシリンダ、１１……空気噴射制御カ
ム、１２……油圧アジヤスタ、３１……コントロ
ーラ。
Fig. 1 is a configuration diagram showing an embodiment of this invention during low compression ratio operation, Fig. 2 is a sectional view of the hydraulic adjuster, Fig. 3 is a characteristic diagram showing an example of control by the controller, and Fig. 4 Similarly, FIG. 5 is an explanatory diagram of the operation during high compression ratio operation, and FIG. 5 is an explanatory diagram of the operation during air injection operation. 2... Combustion chamber, 3... Sub-chamber, 4... Movable piston, 7... Locker arm, 8... Compression ratio control cam, 9... Air cylinder, 11... Air injection control cam, 12... Hydraulic adjuster , 31...controller.
Claims (1)
を変化させる可動ピストンと、可動ピストンを駆
動するロツカアームと、最大リフト位置でロツカ
アームを介して可動ピストンを副室の最小容積位
置に拘束すると共に、ベースサークル位置でロツ
カアームの所定ストロークの揺動を許容する圧縮
比制御カムと、圧縮比制御カムを回動するアクチ
ユエータと、エンジンと同期回転してロツカアー
ムを介し可動ピストンにより副室内の空気を燃焼
期間中の燃焼室に噴出させるカムプロフイールを
備える空気噴射制御カムと、オイルロツク時に空
気噴射制御カムの回転に伴つてロツカアームを揺
動させると共に、オイルロツク解除時に空気噴射
制御カムの空転を許容する油圧アジヤスタと、前
記アクチユエータと油圧アジヤスタの作動をエン
ジン運転状態に応じて制御するコントローラを設
けたことを特徴とする内燃機関。 A sub-chamber that communicates with the engine combustion chamber, a movable piston that changes the volume of the sub-chamber, a locking arm that drives the movable piston, and a locking arm that restrains the movable piston to the minimum volume position of the sub-chamber at the maximum lift position. , a compression ratio control cam that allows rocker arm to swing a predetermined stroke at the base circle position, an actuator that rotates the compression ratio control cam, and a movable piston that rotates in synchronization with the engine and burns air in the pre-chamber via rocker arm. An air injection control cam with a cam profile that allows air to be ejected into the combustion chamber during the oil lock period, and a hydraulic adjuster that swings the rocker arm as the air injection control cam rotates when the oil is locked, and allows the air injection control cam to idle when the oil lock is released. and a controller for controlling the operation of the actuator and the hydraulic adjuster according to engine operating conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9924088U JPH064048Y2 (en) | 1988-07-27 | 1988-07-27 | Internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9924088U JPH064048Y2 (en) | 1988-07-27 | 1988-07-27 | Internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0220748U true JPH0220748U (en) | 1990-02-13 |
| JPH064048Y2 JPH064048Y2 (en) | 1994-02-02 |
Family
ID=31326216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9924088U Expired - Lifetime JPH064048Y2 (en) | 1988-07-27 | 1988-07-27 | Internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH064048Y2 (en) |
-
1988
- 1988-07-27 JP JP9924088U patent/JPH064048Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH064048Y2 (en) | 1994-02-02 |
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