JPS6444367U - - Google Patents
Info
- Publication number
- JPS6444367U JPS6444367U JP13824787U JP13824787U JPS6444367U JP S6444367 U JPS6444367 U JP S6444367U JP 13824787 U JP13824787 U JP 13824787U JP 13824787 U JP13824787 U JP 13824787U JP S6444367 U JPS6444367 U JP S6444367U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- movable spring
- spring seat
- fuel injection
- spacer
- 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
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案による燃料噴射弁の一実施例を
示す部分切欠側面図、第２図と第３図は同じくそ
の一部拡大図、第４図ａはノズル針弁のリフトと
ばね力の関係を示す線図、同図ｂはノズル針弁の
リフトと電流の関係を示す線図、同図ｃは圧電素
子の出力波形図である。
１……燃料噴射弁ホルダボデイ、２……ノズル
本体、４……ノズル針弁、５……第１の可動ばね
座、６……スペーサ、７，９……絶縁表層、８…
…中空状ねじ部材、１０……第２の可動ばね座、
１２……押棒、１３……圧電素子、１５……第１
ノズルばね、１６……第２ノズルばね、１７……
調整ねじ、１９……端子。
Fig. 1 is a partially cutaway side view showing an embodiment of the fuel injection valve according to the present invention, Figs. 2 and 3 are also partially enlarged views, and Fig. 4a shows the relationship between the lift of the nozzle needle valve and the spring force. Figure b is a diagram showing the relationship between the lift of the nozzle needle valve and current, and Figure c is a diagram of the output waveform of the piezoelectric element. DESCRIPTION OF SYMBOLS 1... Fuel injection valve holder body, 2... Nozzle main body, 4... Nozzle needle valve, 5... First movable spring seat, 6... Spacer, 7, 9... Insulating surface layer, 8...
...Hollow screw member, 10...Second movable spring seat,
12... push rod, 13... piezoelectric element, 15... first
Nozzle spring, 16... Second nozzle spring, 17...
Adjustment screw, 19...terminal.
Claims (1)
取付け、ノズル針弁に接触する第１可動ばね座の
上方に、それぞれ燃料噴射弁ホルダボデイの内壁
と電気的に絶縁したスペーサと中空状ねじ部材を
取付け、中空状ねじ部材内からスペーサの中心に
前記第１可動ばね座と所要の隙間で離隔する押棒
を有する第２可動ばね座を配する一方、スペーサ
の下面にリング状の圧電素子を配して第１ノズル
ばねにより付勢するように構成し、前記中空状ね
じ部材に取付けた調整ねじと第２可動ばね座間に
第２ノズルばねを配すとともに、調整ねじには前
記圧電素子からの電圧信号取出し用のリード端子
を取付けたことを特徴とする燃料噴射弁。 A nozzle main body is attached to one end of the fuel injection valve holder body, and a spacer and a hollow screw member electrically insulated from the inner wall of the fuel injection valve holder body are respectively attached above the first movable spring seat that contacts the nozzle needle valve. A second movable spring seat having a push rod separated from the first movable spring seat by a predetermined gap is disposed in the center of the spacer from within the shaped threaded member, while a ring-shaped piezoelectric element is disposed on the lower surface of the spacer to form the first movable spring seat. A second nozzle spring is configured to be biased by a nozzle spring, and a second nozzle spring is disposed between an adjusting screw attached to the hollow screw member and a second movable spring washer, and the adjusting screw is used for taking out a voltage signal from the piezoelectric element. A fuel injection valve characterized by having a lead terminal attached thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13824787U JPS6444367U (en) | 1987-09-11 | 1987-09-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13824787U JPS6444367U (en) | 1987-09-11 | 1987-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6444367U true JPS6444367U (en) | 1989-03-16 |
Family
ID=31400408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13824787U Pending JPS6444367U (en) | 1987-09-11 | 1987-09-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6444367U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7568257B2 (en) | 2003-11-07 | 2009-08-04 | Asmo Co., Ltd. | Clutch device, motor apparatus and wiper system |
| US7673366B2 (en) | 2004-11-26 | 2010-03-09 | Asmo Co., Ltd. | Motor apparatus |
| US7685670B2 (en) | 2003-11-07 | 2010-03-30 | Asmo Co., Ltd. | Motor apparatus and wiper motor apparatus |
-
1987
- 1987-09-11 JP JP13824787U patent/JPS6444367U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7568257B2 (en) | 2003-11-07 | 2009-08-04 | Asmo Co., Ltd. | Clutch device, motor apparatus and wiper system |
| US7685670B2 (en) | 2003-11-07 | 2010-03-30 | Asmo Co., Ltd. | Motor apparatus and wiper motor apparatus |
| US7673366B2 (en) | 2004-11-26 | 2010-03-09 | Asmo Co., Ltd. | Motor apparatus |
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