JPH0424660U - - Google Patents
Info
- Publication number
- JPH0424660U JPH0424660U JP6402790U JP6402790U JPH0424660U JP H0424660 U JPH0424660 U JP H0424660U JP 6402790 U JP6402790 U JP 6402790U JP 6402790 U JP6402790 U JP 6402790U JP H0424660 U JPH0424660 U JP H0424660U
- Authority
- JP
- Japan
- Prior art keywords
- air
- switching valve
- fuel injection
- inlet
- switching
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
第１図は本考案の一実施例に係る、燃料噴射弁
及び二次空気注入口への切替式空気供給装置の系
統図、第２図は第１図のＡＳＶ（エアスイツチン
グバルブ）の切替制御のための演算ルーチンのフ
ローチヤート、第３図は本出願人が実願平１−１
２５６３９号にて提案した電子制御式燃料噴射装
置の系統図、である。
１……エアポンプ、１ａ……吸入口、１ｂ……
吐出口、６……エアフローメータ、７……燃料噴
射弁、８……エアクリーナ、２０……エアスイツ
チングバルブ（ＡＳＶ）、２０ａ，２０ｂ，２０
ｃ，２０ｄ……仕切板、２０ｅ，２０ｆ，２０ｃ
……連通室、２０ｎ……ダイヤフラム、２０ｏ…
…連結棒、２０ｑ……負圧室、２３……二次空気
注入口。
Fig. 1 is a system diagram of a switching air supply device to a fuel injection valve and secondary air inlet according to an embodiment of the present invention, and Fig. 2 shows a switching system of the ASV (air switching valve) shown in Fig. 1. The flowchart of the calculation routine for control, FIG.
FIG. 2 is a system diagram of an electronically controlled fuel injection device proposed in No. 25639. 1... Air pump, 1a... Suction port, 1b...
Discharge port, 6...Air flow meter, 7...Fuel injection valve, 8...Air cleaner, 20...Air switching valve (ASV), 20a, 20b, 20
c, 20d... Partition plate, 20e, 20f, 20c
...Communication chamber, 20n...Diaphragm, 20o...
...Connecting rod, 20q...Negative pressure chamber, 23...Secondary air inlet.
Claims (1)
空気注入口に切替可能に空気を供給する切替式空
気供給装置であつて、１個のエアポンプと１個の
エアスイツチングバルブを有し、該エアスイツチ
ングバルブは、エアポンプ吸入口の、エアクリー
ナまたはエアフローメータとの連通を切替える第
１の切替弁装置と、エアポンプ吐出口の、燃料噴
射弁または二次空気注入口との連通を切替える第
２の切替弁装置とを有しており、第１の切替弁装
置と第２の切替弁装置とは同時に移動するように
互いに連結されていることを特徴とする燃料噴射
弁及び二次空気注入口への切替式空気供給装置。 This is a switching air supply device that switchably supplies air to an air assist type fuel injection valve and a secondary air inlet of an exhaust system, and has one air pump and one air switching valve, and has one air pump and one air switching valve. The switching valve includes a first switching valve device that switches the communication between the air pump inlet and the air cleaner or the air flow meter, and a second switching valve that switches the communication between the air pump discharge port and the fuel injection valve or the secondary air inlet. a fuel injection valve and a secondary air inlet, the first switching valve device and the second switching valve device being connected to each other so as to move simultaneously. Switchable air supply device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6402790U JP2511340Y2 (en) | 1990-06-19 | 1990-06-19 | Switchable air supply device for fuel injection valve and secondary air inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6402790U JP2511340Y2 (en) | 1990-06-19 | 1990-06-19 | Switchable air supply device for fuel injection valve and secondary air inlet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0424660U true JPH0424660U (en) | 1992-02-27 |
| JP2511340Y2 JP2511340Y2 (en) | 1996-09-25 |
Family
ID=31594599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6402790U Expired - Lifetime JP2511340Y2 (en) | 1990-06-19 | 1990-06-19 | Switchable air supply device for fuel injection valve and secondary air inlet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2511340Y2 (en) |
-
1990
- 1990-06-19 JP JP6402790U patent/JP2511340Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2511340Y2 (en) | 1996-09-25 |
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