JPS61107967U - - Google Patents
Info
- Publication number
- JPS61107967U JPS61107967U JP19357584U JP19357584U JPS61107967U JP S61107967 U JPS61107967 U JP S61107967U JP 19357584 U JP19357584 U JP 19357584U JP 19357584 U JP19357584 U JP 19357584U JP S61107967 U JPS61107967 U JP S61107967U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- chamber
- pipe
- control valve
- pressure control
- 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 23
- 239000002828 fuel tank Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 2
- 230000010349 pulsation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の実施例の概略構成図、第２図
はダンパの構成を示す断面図、第３図は従来構成
による燃料返送用の配管内の燃料の圧力変化（脈
動）を測定した実験結果のグラフ、第４図は本考
案実施例構成による燃料返送用の配管内の燃料の
圧力変化（脈動）を測定した実験結果のグラフで
ある。
１…燃料タンク、２…燃料ポンプ、４…デリバ
リパイプ、５…燃料噴射弁、６…圧力制御弁、７
…ダンパ、８…燃料返送用の配管、７０１，７０
２…ハウジング、７０３…ダイアフラム、７０４
…燃料室、７０５…空気室、７０６…スプリング
、７１０…導入パイプ、７１１…導出パイプ。
Figure 1 is a schematic configuration diagram of an embodiment of the present invention, Figure 2 is a sectional view showing the configuration of a damper, and Figure 3 is a measurement of pressure changes (pulsations) of fuel in a fuel return pipe with a conventional configuration. Graph of Experimental Results FIG. 4 is a graph of experimental results in which pressure changes (pulsations) of fuel in the fuel return pipe were measured according to the configuration of the embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Fuel tank, 2... Fuel pump, 4... Delivery pipe, 5... Fuel injection valve, 6... Pressure control valve, 7
...Damper, 8...Fuel return piping, 701, 70
2...Housing, 703...Diaphragm, 704
...Fuel chamber, 705...Air chamber, 706...Spring, 710...Introduction pipe, 711...Output pipe.
Claims (1)
と、 この燃料ポンプより圧送された燃料を内燃機関
に供給する装置と、内燃機関に供給される燃料の
圧力を制御する圧力制御弁と、 この圧力制御弁から燃料タンクへの燃料返送用
の配管の途中に配設されるダンパとにより構成さ
れる燃料噴射装置。 (2) 前記ダンパは、そのハウジング内部がダイ
アフラムにより空気室と燃料室とに区分され、空
気室にはスプリングが配設され、燃料室のハウジ
ングには前記圧力制御弁から送り返される燃料を
燃料室内に導く配管が接続される導入パイプ、お
よび燃料室内の燃料を燃料タンクに送り返すため
の配管が接続される導出パイプが配設されている
ことを特徴とする実用新案登録請求の範囲第１項
記載の燃料噴射装置。[Scope of Claim for Utility Model Registration] (1) A fuel pump that pumps fuel in a fuel tank, a device that supplies the fuel pumped by the fuel pump to an internal combustion engine, and a device that controls the pressure of the fuel supplied to the internal combustion engine. A fuel injection device consisting of a pressure control valve to control, and a damper disposed in the middle of a pipe for returning fuel from the pressure control valve to a fuel tank. (2) The inside of the damper's housing is divided into an air chamber and a fuel chamber by a diaphragm, a spring is disposed in the air chamber, and the housing of the fuel chamber is configured to carry fuel sent back from the pressure control valve into the fuel chamber. Claim 1 of the Utility Model Registration Claim characterized in that an inlet pipe is connected to a pipe leading to the fuel chamber, and an outlet pipe is connected to a pipe for sending the fuel in the fuel chamber back to the fuel tank. fuel injector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984193575U JPH0137173Y2 (en) | 1984-12-19 | 1984-12-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984193575U JPH0137173Y2 (en) | 1984-12-19 | 1984-12-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61107967U true JPS61107967U (en) | 1986-07-09 |
| JPH0137173Y2 JPH0137173Y2 (en) | 1989-11-09 |
Family
ID=30750995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984193575U Expired JPH0137173Y2 (en) | 1984-12-19 | 1984-12-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0137173Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011012649A (en) * | 2009-07-06 | 2011-01-20 | Aisan Industry Co Ltd | Fuel injection device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5797160U (en) * | 1980-12-08 | 1982-06-15 |
-
1984
- 1984-12-19 JP JP1984193575U patent/JPH0137173Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5797160U (en) * | 1980-12-08 | 1982-06-15 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011012649A (en) * | 2009-07-06 | 2011-01-20 | Aisan Industry Co Ltd | Fuel injection device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0137173Y2 (en) | 1989-11-09 |
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