JPH02122136U - - Google Patents
Info
- Publication number
- JPH02122136U JPH02122136U JP3091189U JP3091189U JPH02122136U JP H02122136 U JPH02122136 U JP H02122136U JP 3091189 U JP3091189 U JP 3091189U JP 3091189 U JP3091189 U JP 3091189U JP H02122136 U JPH02122136 U JP H02122136U
- Authority
- JP
- Japan
- Prior art keywords
- roller
- exhaust valve
- combustion engine
- internal combustion
- protrusion
- 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 2
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
- F01L13/0021—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of rocker arm ratio
- F01L13/0026—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of rocker arm ratio by means of an eccentric
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
Description
図面は本考案の一実施例を示し、第１図は本考
案のリターダ装置の要部を示す、一部切欠正面図
、第２図は同リターダ装置の一部断面斜視図、第
３図は、排気弁のリフト量とクランク角との関係
を示すグラフである。
２……ロツカーアーム、６……プツシユロツド
、８……排気弁、１０……ブリツシユ、１６……
ローラ、１８……アーム、２４……バネ、２６…
…突起、２８……ピストン、３０……ロツカーカ
バー、３１……アクチユエータ、３２……シリン
ダ室、３４……ピストンロツド、３６……電磁弁
、４２……ドレン通路、４６……リターダスイツ
チ、４８……クラツチスイツチ、５０……ブレー
キスイツチ。
The drawings show an embodiment of the present invention; FIG. 1 is a partially cutaway front view showing the main parts of the retarder device of the present invention, FIG. 2 is a partially cutaway perspective view of the retarder device, and FIG. , is a graph showing the relationship between the lift amount of the exhaust valve and the crank angle. 2...Rotcher arm, 6...Push rod, 8...Exhaust valve, 10...Bullet, 16...
Roller, 18...Arm, 24...Spring, 26...
...Protrusion, 28... Piston, 30... Rocker cover, 31... Actuator, 32... Cylinder chamber, 34... Piston rod, 36... Solenoid valve, 42... Drain passage, 46... Retarder switch, 48... Clutch switch, 50...Brake switch.
Claims (1)
ムのバルブ押圧側端に突起を備えたローラを設け
、前記内燃エンジンの所定運転時に当該ローラを
回動させ前記突起により前記排気弁を押圧し、当
該排気弁を常開させるアクチユエータを設けたこ
とを特徴とするリターダ装置。 A roller with a protrusion is provided at the valve pressing side end of a Rocker arm that drives an exhaust valve of an internal combustion engine, and when the internal combustion engine is operated in a predetermined manner, the roller is rotated and the protrusion presses the exhaust valve. A retarder device characterized by being provided with an actuator that opens normally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3091189U JPH02122136U (en) | 1989-03-20 | 1989-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3091189U JPH02122136U (en) | 1989-03-20 | 1989-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02122136U true JPH02122136U (en) | 1990-10-05 |
Family
ID=31256378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3091189U Pending JPH02122136U (en) | 1989-03-20 | 1989-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02122136U (en) |
-
1989
- 1989-03-20 JP JP3091189U patent/JPH02122136U/ja active Pending
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