JPH0449657U - - Google Patents
Info
- Publication number
- JPH0449657U JPH0449657U JP9064790U JP9064790U JPH0449657U JP H0449657 U JPH0449657 U JP H0449657U JP 9064790 U JP9064790 U JP 9064790U JP 9064790 U JP9064790 U JP 9064790U JP H0449657 U JPH0449657 U JP H0449657U
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- chamber
- inlet
- fuel
- communicating
- 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 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の一実施例に係る燃料噴射装置
の断面図、第２図はその取付状態を表わす断面図
、第３図は燃料噴射率とクランク角との関係を表
わすグラフである。
図面中、１は第一室、２は入口部、３は連通路
、４は第二室、５はインジエクタ、６は出口部、
７は第一プランジヤ、７ａは基端部、７ｂは先端
部、８は第一ばね、９は第二プランジヤ、１０は
第二ばね、１１は第一オリフイス、１２は第二オ
リフイスである。
FIG. 1 is a sectional view of a fuel injection device according to an embodiment of the present invention, FIG. 2 is a sectional view showing its installed state, and FIG. 3 is a graph showing the relationship between fuel injection rate and crank angle. In the drawing, 1 is a first chamber, 2 is an inlet, 3 is a communication path, 4 is a second chamber, 5 is an injector, 6 is an outlet,
7 is a first plunger, 7a is a base end, 7b is a tip, 8 is a first spring, 9 is a second plunger, 10 is a second spring, 11 is a first orifice, and 12 is a second orifice.
Claims (1)
室に連通すると共に出口部から噴射ノズルに燃料
を圧送する第二室と、前記第一室に摺動自在に設
けられ前記入口部側に付勢されることにより基端
部によつて該入口部を塞ぐと共に先端部が前記第
二室との連通部に摺動自在に貫通する第一プラン
ジヤと、前記第二室に摺動自在に設けられ前記第
一室との連通部側に付勢されて前記第一プランジ
ヤの先端部に嵌合する第二プランジヤと、前記第
一プランジヤに設けられ前記第二プランジヤとの
対向部と前記入口部とを連通する第一オリフイス
と、前記第二プランジヤに設けられ前記第一プラ
ンジヤとの対向部と前記出口部とを連通する第二
オリフイスとを備えたことを特徴とする燃料噴射
装置。 a first chamber into which fuel is pumped from an inlet; a second chamber communicating with the first chamber and into which fuel is pumped from an outlet to an injection nozzle; and an inlet which is slidably provided in the first chamber. a first plunger whose proximal end closes the inlet by being biased toward the side and whose distal end slidably penetrates the communicating part with the second chamber; a second plunger that is freely provided and biased toward a communicating portion with the first chamber and that fits into the tip of the first plunger; and a portion that is provided on the first plunger and faces the second plunger. A fuel injection device comprising: a first orifice that communicates with the inlet portion; and a second orifice that is provided on the second plunger and communicates between a portion facing the first plunger and the outlet portion. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9064790U JP2508645Y2 (en) | 1990-08-31 | 1990-08-31 | Fuel injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9064790U JP2508645Y2 (en) | 1990-08-31 | 1990-08-31 | Fuel injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0449657U true JPH0449657U (en) | 1992-04-27 |
| JP2508645Y2 JP2508645Y2 (en) | 1996-08-28 |
Family
ID=31825580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9064790U Expired - Lifetime JP2508645Y2 (en) | 1990-08-31 | 1990-08-31 | Fuel injector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2508645Y2 (en) |
-
1990
- 1990-08-31 JP JP9064790U patent/JP2508645Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2508645Y2 (en) | 1996-08-28 |