JPH0237264U - - Google Patents
Info
- Publication number
- JPH0237264U JPH0237264U JP11400988U JP11400988U JPH0237264U JP H0237264 U JPH0237264 U JP H0237264U JP 11400988 U JP11400988 U JP 11400988U JP 11400988 U JP11400988 U JP 11400988U JP H0237264 U JPH0237264 U JP H0237264U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- valve
- supply return
- chamber
- return chamber
- 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
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図および第２図はこの考案の一実施例を示
すもので、第１図はその一部切欠き正面図、第２
図はその縦断側面図、第３図および第４図はこの
考案の他の実施例の要部を示すもので、第３図は
その一部切欠き正面図、第４図はその縦断側面図
である。
１……装置本体、３……燃料加圧部、４……燃
料噴射部、５……電磁弁部、７……リリーフ弁（
開閉弁）、３３……燃料加圧室、３６……ポンプ
プランジヤ、５１ａ……小径孔部（弁挿入孔）、
５１ｄ……弁座、５２……弁体、５２ａ……頭部
、５３……燃料溜まり室、６０……燃料供給戻り
室。
Figures 1 and 2 show an embodiment of this invention, with Figure 1 being a partially cutaway front view, and Figure 2 being a partially cutaway front view.
The figure is a vertical side view of the same, Figures 3 and 4 show the main parts of other embodiments of this invention, Figure 3 is a partially cutaway front view thereof, and Figure 4 is a vertical side view of the same. It is. 1... Device main body, 3... Fuel pressurizing section, 4... Fuel injection section, 5... Solenoid valve section, 7... Relief valve (
on-off valve), 33...fuel pressurization chamber, 36...pump plunger, 51a...small diameter hole (valve insertion hole),
51d... Valve seat, 52... Valve body, 52a... Head, 53... Fuel reservoir chamber, 60... Fuel supply return chamber.
Claims (1)
圧するポンププランジヤを有する燃料加圧部と、
燃料ポンプに接続された燃料供給戻り室、この燃
料供給戻り室に連設され、燃料供給戻り室との交
差部に弁座が形成された弁収納孔、およびこの弁
収納孔に摺動自在に設けられ、一端部に前記弁座
に着座する頭部が形成された弁体を有し、前記弁
収納孔の内周面と前記弁体の外周面との間に、前
記燃料加圧室と連通し、前記燃料供給戻り室と前
記弁座を介して連通した燃料溜まり室が形成され
た電磁弁部とを備え燃料噴射装置において、前記
燃料供給戻り室近傍に、燃料供給戻り室に接続さ
れ、かつ燃料供給戻り室内の圧力がその内部に供
給される燃料の圧力より高くなると開弁する開閉
弁を設けたことを特徴とする燃料噴射装置。 a fuel pressurizing section having a fuel pressurizing chamber and a pump plunger that pressurizes the fuel in the fuel pressurizing chamber;
A fuel supply return chamber connected to the fuel pump, a valve storage hole connected to the fuel supply return chamber and having a valve seat formed at the intersection with the fuel supply return chamber, and a valve storage hole that is slidable into the valve storage hole. a valve body having a head formed at one end to sit on the valve seat, and a fuel pressurizing chamber and In a fuel injection device, the electromagnetic valve part is connected to the fuel supply return chamber in the vicinity of the fuel supply return chamber, and includes a solenoid valve part in which a fuel reservoir chamber is formed and communicated with the fuel supply return chamber via the valve seat. A fuel injection device characterized in that the fuel injection device is provided with an on-off valve that opens when the pressure inside the fuel supply return chamber becomes higher than the pressure of the fuel supplied therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988114009U JP2510890Y2 (en) | 1988-09-01 | 1988-09-01 | Fuel injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988114009U JP2510890Y2 (en) | 1988-09-01 | 1988-09-01 | Fuel injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0237264U true JPH0237264U (en) | 1990-03-12 |
| JP2510890Y2 JP2510890Y2 (en) | 1996-09-18 |
Family
ID=31354367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988114009U Expired - Lifetime JP2510890Y2 (en) | 1988-09-01 | 1988-09-01 | Fuel injector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2510890Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63143760U (en) * | 1987-03-12 | 1988-09-21 |
-
1988
- 1988-09-01 JP JP1988114009U patent/JP2510890Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63143760U (en) * | 1987-03-12 | 1988-09-21 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2510890Y2 (en) | 1996-09-18 |