JPS6148940U - - Google Patents
Info
- Publication number
- JPS6148940U JPS6148940U JP13058084U JP13058084U JPS6148940U JP S6148940 U JPS6148940 U JP S6148940U JP 13058084 U JP13058084 U JP 13058084U JP 13058084 U JP13058084 U JP 13058084U JP S6148940 U JPS6148940 U JP S6148940U
- Authority
- JP
- Japan
- Prior art keywords
- auxiliary exhaust
- engine braking
- exhaust passage
- combustion chamber
- 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
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 3
- 239000000446 fuel Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
第１図は本考案によるエンジンブレーキ装置の
一実施例の補助排気弁の部分の構造を表す断面図
、第２図は本実施例の主要部の概略構造を表す概
念図、第３図はこのエンジンブレーキ装置の作動
時における各弁の開閉時期を表す開弁工程図、第
４図はその流れ図であり、図中の符号で、
１１は燃焼室、１３は排気マニホルド、１４は
補助排気通路、１６は排気弁、１８は補助排気弁
、２０は弁体、２１は弁座部、２２は圧縮コイル
ばね、２３はクラツチスイツチ、２４は車速セン
サ、２５はアクセルスイツチである。
Fig. 1 is a sectional view showing the structure of the auxiliary exhaust valve part of an embodiment of the engine braking device according to the present invention, Fig. 2 is a conceptual diagram showing the schematic structure of the main part of this embodiment, and Fig. 3 is this Figure 4 is a valve opening process diagram showing the opening/closing timing of each valve during operation of the engine braking device. 16 is an exhaust valve, 18 is an auxiliary exhaust valve, 20 is a valve body, 21 is a valve seat, 22 is a compression coil spring, 23 is a clutch switch, 24 is a vehicle speed sensor, and 25 is an accelerator switch.
Claims (1)
連通する補助排気通路と、この補助排気通路を塞
ぎ得るように往復自在に設けられた補助排気弁と
、この補助排気弁を開閉駆動する油圧装置と、車
両の運転状態からエンジンブレーキの作動判定を
行つてエンジンブレーキ時に前記油圧装置を介し
て前記補助排気弁を開状態を保持させると共に前
記燃焼室への燃料の供給を停止させる制御装置と
、前記補助排気通路の途中に設けられ且つ前記エ
ンジンブレーキ時に前記エンジンのピストンの圧
縮工程終了近傍にて前記燃焼室内の高圧化に伴い
前記補助排気通路を開く逆止め弁とを具えたエン
ジンブレーキ装置。 an auxiliary exhaust passage whose both ends communicate with the combustion chamber of the engine and an exhaust manifold; an auxiliary exhaust valve provided reciprocatingly so as to close the auxiliary exhaust passage; and a hydraulic device that opens and closes the auxiliary exhaust valve. a control device that determines the operation of engine braking based on the driving state of the vehicle and maintains the auxiliary exhaust valve in an open state via the hydraulic system during engine braking and stops the supply of fuel to the combustion chamber; An engine braking device comprising: a check valve provided in the middle of an exhaust passage and opening the auxiliary exhaust passage as the pressure in the combustion chamber increases near the end of the compression stroke of the piston of the engine during engine braking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13058084U JPS6148940U (en) | 1984-08-30 | 1984-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13058084U JPS6148940U (en) | 1984-08-30 | 1984-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6148940U true JPS6148940U (en) | 1986-04-02 |
Family
ID=30689186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13058084U Pending JPS6148940U (en) | 1984-08-30 | 1984-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6148940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62162316U (en) * | 1986-04-06 | 1987-10-15 |
-
1984
- 1984-08-30 JP JP13058084U patent/JPS6148940U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62162316U (en) * | 1986-04-06 | 1987-10-15 |
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