JPS6421266U - - Google Patents
Info
- Publication number
- JPS6421266U JPS6421266U JP11460087U JP11460087U JPS6421266U JP S6421266 U JPS6421266 U JP S6421266U JP 11460087 U JP11460087 U JP 11460087U JP 11460087 U JP11460087 U JP 11460087U JP S6421266 U JPS6421266 U JP S6421266U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- idle control
- assist air
- intake
- valve body
- 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
- 239000000446 fuel Substances 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案に係わる内燃機関における燃料
噴射弁のアシストエア供給装置の一実施例を示す
概略図、第２図は同上実施例における燃料噴射弁
の拡大縦断面図、第３図は従来の内燃機関の構造
を示す縦断面図である。
１……機関、２……吸気通路、３……吸気絞り
弁、４……バイパス通路、５……アイドル制御弁
、５ａ……弁体内蔵ケーシング、６……弁体、２
０……アシストエア導入通路、２０Ａ……アシス
トエア導入管。
Fig. 1 is a schematic diagram showing an embodiment of an assist air supply device for a fuel injection valve in an internal combustion engine according to the present invention, Fig. 2 is an enlarged vertical sectional view of the fuel injection valve in the same embodiment, and Fig. 3 is a conventional one. 1 is a longitudinal sectional view showing the structure of an internal combustion engine. DESCRIPTION OF SYMBOLS 1... Engine, 2... Intake passage, 3... Intake throttle valve, 4... Bypass passage, 5... Idle control valve, 5a... Valve element built-in casing, 6... Valve element, 2
0...Assist air introduction passage, 20A...Assist air introduction pipe.
Claims (1)
パスしてその上下流を結ぶバイパス通路にアイド
ル制御弁の弁体を介装し、該弁体のリフト量を変
えて開度増減を行うことで前記バイパス通路の吸
気流量を制御するアイドル制御装置を備えた内燃
機関において、前記アイドル制御弁の弁体下流を
流れるエアを、機関に燃料を噴射させる燃料噴射
弁にアシストエアとして導くアシストエア導入通
路を設けたことを特徴とする内燃機関における燃
料噴射弁のアシストエア供給装置。 Bypassing an intake throttle valve installed in an intake passage of an engine, and installing an idle control valve valve body in a bypass passage connecting upstream and downstream sides of the intake throttle valve, and increasing/decreasing the opening degree by changing the lift amount of the valve body. In an internal combustion engine equipped with an idle control device that controls the intake flow rate of the bypass passage, assist air is introduced to guide air flowing downstream of the valve body of the idle control valve as assist air to a fuel injection valve that injects fuel into the engine. An assist air supply device for a fuel injection valve in an internal combustion engine, characterized in that a passage is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11460087U JPS6421266U (en) | 1987-07-28 | 1987-07-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11460087U JPS6421266U (en) | 1987-07-28 | 1987-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6421266U true JPS6421266U (en) | 1989-02-02 |
Family
ID=31355491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11460087U Pending JPS6421266U (en) | 1987-07-28 | 1987-07-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6421266U (en) |
-
1987
- 1987-07-28 JP JP11460087U patent/JPS6421266U/ja active Pending
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