JPH02135670U - - Google Patents
Info
- Publication number
- JPH02135670U JPH02135670U JP4286389U JP4286389U JPH02135670U JP H02135670 U JPH02135670 U JP H02135670U JP 4286389 U JP4286389 U JP 4286389U JP 4286389 U JP4286389 U JP 4286389U JP H02135670 U JPH02135670 U JP H02135670U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- diaphragm
- acceleration
- accordance
- control mechanism
- 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 11
- 230000001133 acceleration Effects 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims 1
Landscapes
- Fuel-Injection Apparatus (AREA)
- High-Pressure Fuel Injection Pump Control (AREA)
Description
第１図は本考案による多点燃料噴射装置の第一
実施例を示す概略断面図、第２図は同じく第二実
施例を示す概略断面図である。
１０……燃料計量手段、２４……燃料噴射弁、
２５……ダイアフラム、２６……上室、２７……
下室、２８……ニードルバルブ、３３……スロツ
トルバルブ、３５……加速ポンプ、３６……貯溜
室、３８……ダイアフラム、３９……負圧室、４
６……ポンプロツド。
FIG. 1 is a schematic sectional view showing a first embodiment of a multi-point fuel injection device according to the present invention, and FIG. 2 is a schematic sectional view showing a second embodiment. 10...Fuel metering means, 24...Fuel injection valve,
25...Diaphragm, 26...Upper chamber, 27...
Lower chamber, 28... Needle valve, 33... Throttle valve, 35... Acceleration pump, 36... Storage chamber, 38... Diaphragm, 39... Negative pressure chamber, 4
6...Pump prod.
Claims (1)
て変位するダイアフラムによつて仕切られ且つ該
ダイアフラムの変位に応じて燃料吐出量が制御さ
れる室を有する燃料噴射弁が各気筒毎に設けられ
た多点燃料噴射装置において、 マニホールド負圧の変化に応じて燃料の吸い込
み及び送り出しを行なう加速ポンプを備え、送り
出される燃料は前記各室に分配供給されるように
したことを特徴とする加速制御機構。 (2) 前記加速ポンプが、スロツトルバルブに連
動して燃料の吸い込み及び送り出しを行なうよう
に構成されていることを特徴とする実用新案登録
請求の範囲(1)に記載の加速制御機構。[Scope of Claim for Utility Model Registration] (1) Fuel having a chamber partitioned by a diaphragm that is displaced in accordance with the fuel flow rate measured by a fuel metering means, and in which the fuel discharge amount is controlled in accordance with the displacement of the diaphragm. A multi-point fuel injection system in which an injection valve is provided for each cylinder is equipped with an acceleration pump that sucks in and delivers fuel according to changes in manifold negative pressure, and the delivered fuel is distributed and supplied to each of the chambers. An acceleration control mechanism characterized by: (2) The acceleration control mechanism according to claim (1), wherein the acceleration pump is configured to suck in and deliver fuel in conjunction with a throttle valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4286389U JPH02135670U (en) | 1989-04-12 | 1989-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4286389U JPH02135670U (en) | 1989-04-12 | 1989-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02135670U true JPH02135670U (en) | 1990-11-13 |
Family
ID=31554777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4286389U Pending JPH02135670U (en) | 1989-04-12 | 1989-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02135670U (en) |
-
1989
- 1989-04-12 JP JP4286389U patent/JPH02135670U/ja active Pending