JPS63158581U - - Google Patents
Info
- Publication number
- JPS63158581U JPS63158581U JP5234387U JP5234387U JPS63158581U JP S63158581 U JPS63158581 U JP S63158581U JP 5234387 U JP5234387 U JP 5234387U JP 5234387 U JP5234387 U JP 5234387U JP S63158581 U JPS63158581 U JP S63158581U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injector
- valve
- injection
- type fuel
- diesel engine
- 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 14
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の一実施例に係る自動弁式燃料
噴射器の噴射弁閉弁時の縦断面図であり、第２図
噴射弁開弁時の要部の縦断面図であり、第３図は
従来例の燃料噴射圧特性と上記一実施例の燃料噴
射圧特性とを比較して示す燃料噴射圧特性線図で
ある。
１……燃料噴射器、２……加圧燃料供給室、３
……加圧燃料供給室２の出口、４……噴射弁、９
……噴射初期圧緩衝室、１０……連通口、１１…
…開閉弁。
FIG. 1 is a vertical cross-sectional view of an automatic valve type fuel injector according to an embodiment of the present invention when the injection valve is closed; FIG. 2 is a vertical cross-sectional view of the main parts when the injection valve is open; FIG. 3 is a fuel injection pressure characteristic diagram showing a comparison between the fuel injection pressure characteristics of the conventional example and the fuel injection pressure characteristics of the above-mentioned embodiment. 1... Fuel injector, 2... Pressurized fuel supply chamber, 3
...Exit of pressurized fuel supply chamber 2, 4...Injection valve, 9
...Injection initial pressure buffer chamber, 10...Communication port, 11...
...Open/close valve.
Claims (1)
形成された加圧燃料供給室２の出口３を開閉する
噴射弁４を有するデイーゼルエンジンの閉止形燃
料噴射器において、 上記閉止形燃料噴射器１内に、加圧燃料供給室
２に連通する噴射初期圧緩衝室９と、加圧燃料供
給室２に噴射初期圧緩衝室９を連通させる連通口
１０を上記噴射弁４の開閉に連動して開閉する開
閉弁１１とを設けたことを特徴とする、デイーゼ
ルエンジンの閉止形燃料噴射器。[Scope of Claim for Utility Model Registration] In a closed type fuel injector for a diesel engine having an injection valve 4 for opening and closing an outlet 3 of a pressurized fuel supply chamber 2 formed in a closed type fuel injector 1 for a diesel engine, the above-mentioned In the closed type fuel injector 1, an injection initial pressure buffer chamber 9 that communicates with the pressurized fuel supply chamber 2 and a communication port 10 that communicates the injection initial pressure buffer chamber 9 with the pressurized fuel supply chamber 2 are provided in the injection valve 4. A closed-type fuel injector for a diesel engine, characterized in that it is provided with an on-off valve 11 that opens and closes in conjunction with the opening and closing of the valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5234387U JPS63158581U (en) | 1987-04-06 | 1987-04-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5234387U JPS63158581U (en) | 1987-04-06 | 1987-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63158581U true JPS63158581U (en) | 1988-10-18 |
Family
ID=30877429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5234387U Pending JPS63158581U (en) | 1987-04-06 | 1987-04-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63158581U (en) |
-
1987
- 1987-04-06 JP JP5234387U patent/JPS63158581U/ja active Pending