JPH046769U - - Google Patents
Info
- Publication number
- JPH046769U JPH046769U JP4780390U JP4780390U JPH046769U JP H046769 U JPH046769 U JP H046769U JP 4780390 U JP4780390 U JP 4780390U JP 4780390 U JP4780390 U JP 4780390U JP H046769 U JPH046769 U JP H046769U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- plunger
- reservoir chambers
- suction
- chambers
- 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 24
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案一実施例の燃料噴射装置の構成
図。第２図は第１図のＡ−Ａ線断面図。第３図は
プランジヤとプランジヤバレルとを含む噴射ポン
プの要部断面図。
１０……燃料噴射装置、１３……フイードポン
プ、１４……プランジヤ、１４ａ……リード、１
６……プランジヤバレル、１６ａ……吸排孔、１
７……ポンプハウジング、１７ａ……燃料吸入ポ
ート、１７ｂ……燃料排出ポート、１９……中間
パイプ、２１……第１燃料溜室、２２……第２燃
料溜室、２３……燃料切換手段、２８ａ……調圧
小室。
FIG. 1 is a configuration diagram of a fuel injection device according to an embodiment of the present invention. FIG. 2 is a sectional view taken along the line A-A in FIG. 1. FIG. 3 is a sectional view of a main part of the injection pump including a plunger and a plunger barrel. 10... Fuel injection device, 13... Feed pump, 14... Plunger, 14a... Lead, 1
6... Plunger barrel, 16a... Suction and exhaust hole, 1
7... Pump housing, 17a... Fuel intake port, 17b... Fuel discharge port, 19... Intermediate pipe, 21... First fuel reservoir chamber, 22... Second fuel reservoir chamber, 23... Fuel switching means , 28a...pressure adjustment chamber.
Claims (1)
つのリードにそれぞれ連通可能な２つの吸排孔を
有するプランジヤバレルと、 全ての前記プランジヤバレルの半分ずつを包囲
するように前記ポンプハウジング内に配設されか
つ各プランジヤバレルの前記２つの吸排孔にそれ
ぞれ連通する第１及び第２燃料溜室と、 前記ハウジング外面に配設された前記両燃料溜
室の燃料吸入ポートと、 前記吸入ポートの近傍の前記ハウジング外面に
配設された前記両燃料溜室の燃料排出ポートと、 前記両燃料溜室の一方の燃料排出ポートと前記
両燃料溜室の他方の燃料排出ポートとを接続する
中間パイプと、 運転条件に応じてフイードポンプからの燃料を
前記両燃料溜室又はいずれか一方の燃料溜室に送
込むように切換える燃料切換手段と を備えた燃料噴射装置において、 前記両燃料溜室の各燃料吸入ポートにこの吸入
ポートにおける燃料圧を調整する調圧小室が設け
られたことを特徴とする燃料噴射装置。[Scope of claim for utility model registration] Two parts of the plunger installed in the pump housing
a plunger barrel having two suction and exhaust holes that can communicate with each of the two leads, and a plunger barrel that is disposed within the pump housing so as to surround each half of all the plunger barrels, and that is connected to the two suction and exhaust holes of each plunger barrel. First and second fuel reservoir chambers communicating with each other; Fuel intake ports of both fuel reservoir chambers arranged on the outer surface of the housing; and Both fuel reservoir chambers arranged on the outer surface of the housing near the intake port. an intermediate pipe connecting one fuel discharge port of the two fuel reservoir chambers to the other fuel discharge port of the two fuel reservoir chambers; In a fuel injection device equipped with a fuel storage chamber or a fuel switching means for switching the fuel to be fed into either one of the fuel storage chambers, a pressure regulating device is provided at each fuel suction port of both fuel storage chambers to adjust the fuel pressure at this suction port. A fuel injection device characterized by being provided with a small chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4780390U JPH046769U (en) | 1990-05-08 | 1990-05-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4780390U JPH046769U (en) | 1990-05-08 | 1990-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH046769U true JPH046769U (en) | 1992-01-22 |
Family
ID=31564058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4780390U Pending JPH046769U (en) | 1990-05-08 | 1990-05-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH046769U (en) |
-
1990
- 1990-05-08 JP JP4780390U patent/JPH046769U/ja active Pending
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