JPH0183170U - - Google Patents
Info
- Publication number
- JPH0183170U JPH0183170U JP1987179324U JP17932487U JPH0183170U JP H0183170 U JPH0183170 U JP H0183170U JP 1987179324 U JP1987179324 U JP 1987179324U JP 17932487 U JP17932487 U JP 17932487U JP H0183170 U JPH0183170 U JP H0183170U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- injection valve
- air
- engine
- mounting hole
- 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
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 7
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 239000000284 extract Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第１図はエンジンの従来の吸気系統を示した説
明図、第２図は本考案の実施例の吸気系統図、第
３図は実施例の燃料噴射弁取付孔回りの詳細断面
説明図である。
１……シリンダー、１Ａ……吸気弁、２……イ
ンテークマニホールド、４……エアフローメータ
ー、５……スロツトルチヤンバー、５Ａ……スロ
ツトルバルブ、７……燃料噴射弁、２２……燃料
噴射弁取付孔、２３……アイドル空気供給管、２
４……アイドル空気供給孔、２５……溝。
Figure 1 is an explanatory diagram showing a conventional intake system of an engine, Figure 2 is an intake system diagram of an embodiment of the present invention, and Figure 3 is a detailed cross-sectional diagram of the area around the fuel injection valve mounting hole of the embodiment. . 1... Cylinder, 1A... Intake valve, 2... Intake manifold, 4... Air flow meter, 5... Throttle chamber, 5A... Throttle valve, 7... Fuel injection valve, 22... Fuel injection Valve mounting hole, 23...Idle air supply pipe, 2
4...Idle air supply hole, 25...Groove.
Claims (1)
ダー毎に燃料噴射弁が設けられたエンジンにおい
て、アイドリング時に必要な空気をエアフローメ
ーター下流で、かつスロツトルバルブ上流から取
り出し、同空気を燃料噴射弁取付孔よりそれぞれ
のシリンダーに供給することを特徴とするエンジ
ンのアイドル空気供給装置。 (2) 前記燃料噴射弁取付孔に、燃料噴射弁の噴
射孔の中心軸に対して傾斜角度を付けて複数の溝
を形成したことを特徴とする実用新案登録請求の
範囲第１項記載のエンジンのアイドル空気供給装
置。[Scope of Claim for Utility Model Registration] (1) In an engine in which a fuel injection valve is provided for each cylinder on the upstream side of the intake valve in the intake passage, the air required during idling is supplied downstream of the air flow meter and upstream of the throttle valve. An idle air supply device for an engine, which extracts the air and supplies the same air to each cylinder through a fuel injection valve mounting hole. (2) A utility model according to claim 1, characterized in that the fuel injection valve mounting hole has a plurality of grooves formed at an angle of inclination with respect to the central axis of the injection hole of the fuel injection valve. Engine idle air supply device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987179324U JPH0183170U (en) | 1987-11-25 | 1987-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987179324U JPH0183170U (en) | 1987-11-25 | 1987-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0183170U true JPH0183170U (en) | 1989-06-02 |
Family
ID=31470883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987179324U Pending JPH0183170U (en) | 1987-11-25 | 1987-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0183170U (en) |
-
1987
- 1987-11-25 JP JP1987179324U patent/JPH0183170U/ja active Pending