JPH027361U - - Google Patents
Info
- Publication number
- JPH027361U JPH027361U JP8621888U JP8621888U JPH027361U JP H027361 U JPH027361 U JP H027361U JP 8621888 U JP8621888 U JP 8621888U JP 8621888 U JP8621888 U JP 8621888U JP H027361 U JPH027361 U JP H027361U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- pressure
- stopper
- axial direction
- fuel
- 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
- 238000009825 accumulation Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims 2
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は一実施例の縦断正面図を示す。第２図
は従来の燃料噴射ポンプの縦断正面図を示す。第
３図は第２図のＡ部すなわち従来のパイロツト噴
射装置の縦断正面図を示す。第４図は第３図とは
別の従来のパイロツト噴射装置の縦断正面図を示
す。
１……燃料噴射ポンプ、２……パイロツト噴射
装置、４……第１のシリンダ、５……アキユムレ
ートピストン、６……スプリング、７……第１の
ストツパ、８……プレツシヤピン、９……第２の
ストツパ、１７……第２のシリンダ。
FIG. 1 shows a longitudinal sectional front view of one embodiment. FIG. 2 shows a longitudinal sectional front view of a conventional fuel injection pump. FIG. 3 shows a section A in FIG. 2, that is, a longitudinal sectional front view of a conventional pilot injection device. FIG. 4 shows a longitudinal sectional front view of a conventional pilot injection device different from that shown in FIG. DESCRIPTION OF SYMBOLS 1... Fuel injection pump, 2... Pilot injection device, 4... First cylinder, 5... Accumulation rate piston, 6... Spring, 7... First stopper, 8... Pressure pin, 9... ...Second stopper, 17...Second cylinder.
Claims (1)
トツパを介して同心に接続され、第１のシリンダ
内にはその軸方向に燃料噴射ポンプの加圧室内の
燃料圧力上昇に伴つて押圧移動されるアキユムレ
ートピストンが挿入され、第２のシリンダ内には
その軸方向に移動可能にプレツシヤピンが挿入さ
れ、プレツシヤピンはアキユムレートピストンの
燃料圧力によつて移動する側に接続され、かつ第
２のシリンダ内に挿入したスプリングの弾力を受
けてアキユムレートピストンを燃料圧力に対抗す
る側に付勢し、アキユムレートピストンは前記第
１のストツパにより移動量が規制されている燃料
噴射ポンプのパイロツト噴射装置であつて、前記
第２のシリンダ内にプレツシヤピンの移動量を規
制する第２のストツパを外部から第２のシリンダ
の軸方向に位置調整可能に設けたことを特徴とす
る燃料噴射ポンプのパイロツト噴射装置。 The first cylinder and the second cylinder are concentrically connected via a first stopper, and a cylinder is moved in the axial direction of the first cylinder by pressure as the fuel pressure increases in the pressurizing chamber of the fuel injection pump. A pressure pin is inserted into the second cylinder so as to be movable in the axial direction, and the pressure pin is connected to the side of the accumulation piston that is moved by the fuel pressure. A fuel injection pump in which an accumulation piston is biased in a direction opposed to fuel pressure by the elastic force of a spring inserted into a second cylinder, and the movement amount of the accumulation piston is regulated by the first stopper. A pilot injection device according to the present invention, characterized in that a second stopper for regulating the amount of movement of the pressure pin is provided in the second cylinder so that its position can be adjusted from the outside in the axial direction of the second cylinder. Pump pilot injector.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8621888U JPH027361U (en) | 1988-06-29 | 1988-06-29 | |
| US07/371,225 US5033443A (en) | 1988-06-27 | 1989-06-26 | Pilot injection device for fuel injection pump |
| EP19890111610 EP0348865A3 (en) | 1988-06-27 | 1989-06-26 | Pilot injection device for fuel injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8621888U JPH027361U (en) | 1988-06-29 | 1988-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH027361U true JPH027361U (en) | 1990-01-18 |
Family
ID=31310859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8621888U Pending JPH027361U (en) | 1988-06-27 | 1988-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH027361U (en) |
-
1988
- 1988-06-29 JP JP8621888U patent/JPH027361U/ja active Pending