JPH0197039U - - Google Patents
Info
- Publication number
- JPH0197039U JPH0197039U JP19425287U JP19425287U JPH0197039U JP H0197039 U JPH0197039 U JP H0197039U JP 19425287 U JP19425287 U JP 19425287U JP 19425287 U JP19425287 U JP 19425287U JP H0197039 U JPH0197039 U JP H0197039U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- actuator
- internal combustion
- operating device
- combustion engine
- 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
- 239000002699 waste material Substances 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Supercharger (AREA)
Description
第１図は本考案の１実施例を示す説明図、第２
図は本考案の他の実施例を示す説明図、第３図は
該実施例で使用されるアクチユエータの変更例、
第４図は従来例の説明図、第５図、第６図は本実
施例に於ける過給圧特性を示す線図、第７図は従
来例の過給圧特性を示す線図である。
４は過給機、８はウエストゲートバルブ、９は
バルブアクチユエータ、１６は導圧管、２２は第
１アクチユエータ、２５は第２アクチユエータ、
２８は電磁切換弁を示す。
Fig. 1 is an explanatory diagram showing one embodiment of the present invention;
The figure is an explanatory diagram showing another embodiment of the present invention, FIG. 3 is a modification of the actuator used in the embodiment,
FIG. 4 is an explanatory diagram of the conventional example, FIGS. 5 and 6 are diagrams showing the boost pressure characteristics in this embodiment, and FIG. 7 is a diagram showing the boost pressure characteristics of the conventional example. . 4 is a supercharger, 8 is a waste gate valve, 9 is a valve actuator, 16 is a pressure impulse pipe, 22 is a first actuator, 25 is a second actuator,
28 indicates an electromagnetic switching valve.
Claims (1)
圧により作動するアクチユエータで開閉する様に
したウエストゲートバルブの作動装置に於いて、
ウエストゲートバルブに連結したアクチユエータ
を複数設け、各アクチユエータにそれぞれ過給圧
を導びく様にすると共に過給圧を導びく途中に電
磁切換弁を設け、エンジン回転数に応じて該電磁
切換弁を切換えアクチユエータへの過給圧供給状
態の切換えを行う様にしたことを特徴とする内燃
機関過給機のウエストゲートバルブの作動装置。 In a wastegate valve operating device that opens and closes the wastegate valve of an internal combustion engine supercharger using an actuator operated by supercharging pressure,
A plurality of actuators connected to the waste gate valve are provided so that boost pressure is guided to each actuator, and an electromagnetic switching valve is provided in the middle of guiding the boost pressure, and the electromagnetic switching valve is switched according to the engine speed. An operating device for a wastegate valve of an internal combustion engine supercharger, characterized in that the state of supply of supercharging pressure to a switching actuator is switched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19425287U JPH0197039U (en) | 1987-12-22 | 1987-12-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19425287U JPH0197039U (en) | 1987-12-22 | 1987-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0197039U true JPH0197039U (en) | 1989-06-28 |
Family
ID=31484992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19425287U Pending JPH0197039U (en) | 1987-12-22 | 1987-12-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0197039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018184902A (en) * | 2017-04-26 | 2018-11-22 | ヤンマー株式会社 | Multistage turbo supercharger system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61106922A (en) * | 1984-10-30 | 1986-05-24 | Isuzu Motors Ltd | Waste gate valve operating device in variable volume type supercharger |
-
1987
- 1987-12-22 JP JP19425287U patent/JPH0197039U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61106922A (en) * | 1984-10-30 | 1986-05-24 | Isuzu Motors Ltd | Waste gate valve operating device in variable volume type supercharger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018184902A (en) * | 2017-04-26 | 2018-11-22 | ヤンマー株式会社 | Multistage turbo supercharger system |
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