JPH0347459U - - Google Patents
Info
- Publication number
- JPH0347459U JPH0347459U JP10844389U JP10844389U JPH0347459U JP H0347459 U JPH0347459 U JP H0347459U JP 10844389 U JP10844389 U JP 10844389U JP 10844389 U JP10844389 U JP 10844389U JP H0347459 U JPH0347459 U JP H0347459U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- valves
- injector body
- injector
- view
- 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 15
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第1図ないし第8図は本考案の実施例に係り、
第1図はフユーエルインジエクタの全体構成を示
す縦断面図、第2図は第1図のフユーエルインジ
エクタを―線矢視方向から見た縦断面図、第
3図は第1図の―線矢視方向から見た縦断面
図、第4図は第1図の―線矢視方向から見た
縦断面図、第5図は第1図の―線矢視方向か
ら見た縦断面図、第6図は積層圧電素子を示す斜
視図、第7図は第1の燃料通路を開閉制御する第
1の開閉弁における噴射パルス幅と燃料噴射量と
の関係を示す特性線図、第8図は第2の燃料通路
を開閉制御する第2の開閉弁における噴射パルス
幅と燃料噴射量との関係を示す特性線図、第9図
は従来技術に係るフユーエルインジエクタの縦断
面図である。
21……インジエクタ本体、22……第1の燃
料通路、23……第2の燃料通路、30……噴射
ノズル、35……第1の開閉弁、39……第2の
開閉弁、43,44……積層圧電素子。
1 to 8 relate to embodiments of the present invention,
Fig. 1 is a longitudinal sectional view showing the overall configuration of the fuel injector, Fig. 2 is a longitudinal sectional view of the fuel injector shown in Fig. 1, viewed from the - line arrow direction, and Fig. 3 is a longitudinal sectional view of the fuel injector shown in Fig. 1. -A longitudinal cross-sectional view as seen from the line arrow direction, Figure 4 is a longitudinal cross-sectional view of figure 1 as seen from the line arrow direction, and Figure 5 is a longitudinal cross-section view of figure 1 as seen from the line arrow direction. 6 is a perspective view showing the laminated piezoelectric element, and FIG. 7 is a characteristic diagram showing the relationship between the injection pulse width and the fuel injection amount in the first on-off valve that controls opening and closing of the first fuel passage. Fig. 8 is a characteristic diagram showing the relationship between the injection pulse width and the fuel injection amount in the second on-off valve that controls opening and closing of the second fuel passage, and Fig. 9 is a longitudinal cross-sectional view of a fuel injector according to the prior art. It is. 21... Injector main body, 22... First fuel passage, 23... Second fuel passage, 30... Injection nozzle, 35... First on-off valve, 39... Second on-off valve, 43, 44...Laminated piezoelectric element.
Claims (1)
料通路が軸方向に設けられたインジエクタ本体と
、該インジエクタ本体内に位置して前記各燃料通
路をそれぞれ開閉するように設けられた第1、第
2の開閉弁と、該各開閉弁を介して前記第1、第
2の燃料通路と連通した噴射ノズルと、前記イン
ジエクタ本体内に位置して独立に通電可能に設け
られ、通電されたときには軸方向に歪み、前記第
1、第2の開閉弁をそれぞれ開弁する圧電素子と
から構成してなるフユーエルインジエクタ。 an injector body in which a large-diameter first fuel passage and a small-diameter second fuel passage are provided in the axial direction; and an injector body located within the injector body to open and close each of the fuel passages first and second on-off valves; an injection nozzle that communicates with the first and second fuel passages via the on-off valves; and a piezoelectric element that is distorted in the axial direction and opens the first and second on-off valves, respectively, when the fuel injector is turned on.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10844389U JPH0347459U (en) | 1989-09-16 | 1989-09-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10844389U JPH0347459U (en) | 1989-09-16 | 1989-09-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0347459U true JPH0347459U (en) | 1991-05-02 |
Family
ID=31657084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10844389U Pending JPH0347459U (en) | 1989-09-16 | 1989-09-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0347459U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007173089A (en) * | 2005-12-22 | 2007-07-05 | Sdk Kk | Parallel cord and portable audio equipment using it |
JP2009510961A (en) * | 2005-10-06 | 2009-03-12 | ソニー エリクソン モバイル コミュニケーションズ, エービー | Neck strap for mobile electronic devices |
-
1989
- 1989-09-16 JP JP10844389U patent/JPH0347459U/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009510961A (en) * | 2005-10-06 | 2009-03-12 | ソニー エリクソン モバイル コミュニケーションズ, エービー | Neck strap for mobile electronic devices |
JP2007173089A (en) * | 2005-12-22 | 2007-07-05 | Sdk Kk | Parallel cord and portable audio equipment using it |