JPH0240973U - - Google Patents
Info
- Publication number
- JPH0240973U JPH0240973U JP11881688U JP11881688U JPH0240973U JP H0240973 U JPH0240973 U JP H0240973U JP 11881688 U JP11881688 U JP 11881688U JP 11881688 U JP11881688 U JP 11881688U JP H0240973 U JPH0240973 U JP H0240973U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve housing
- fuel
- chamber
- supply return
- 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 3
- 239000007924 injection Substances 0.000 claims description 3
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図はその要部を示す縦断面図、第
２図はその縦断面図である。
１……装置本体、３……燃料加圧部、４……燃
料噴射部、５……電磁弁、３３……燃料加圧室、
３７……ポンププランジヤ、５１……バルブハウ
ジング、５１ａ……下端面（一端面）、５５……
弁収納孔、５５ｃ……弁座、５６……弁体。
FIGS. 1 and 2 show an embodiment of this invention, with FIG. 1 being a longitudinal sectional view showing the main parts thereof, and FIG. 2 being a longitudinal sectional view thereof. DESCRIPTION OF SYMBOLS 1... Device main body, 3... Fuel pressurization part, 4... Fuel injection part, 5... Solenoid valve, 33... Fuel pressurization chamber,
37... Pump plunger, 51... Valve housing, 51a... Lower end surface (one end surface), 55...
Valve storage hole, 55c...valve seat, 56...valve body.
Claims (1)
端面を押圧接触させた状態で固定され、この電磁
弁のバルブハウジングと装置本体との接触面間に
燃料供給戻り室が形成されるとともに、前記装置
本体の内部に燃料加圧室が形成されており、前記
バルブハウジングの内部に前記燃料供給戻り室に
臨む一端面中央部に開口する弁収納孔が形成され
、この弁収納孔に弁体が摺動自在に設けられ、こ
の弁体の外周面と前記弁収納孔の内周面との間に
前記燃料加圧室に連通した燃料溜まり室が形成さ
れ、この燃料溜まり室と前記燃料供給戻り室との
間に位置する前記弁収納孔の内周面に前記弁体が
着座する弁座が形成された燃料噴射装置において
、前記弁座を前記燃料供給戻り室に臨む前記バル
ブハウジングの一端面から前記弁収納孔が延びる
方向へ離間させて形成したことを特徴とする燃料
噴射装置。 A solenoid valve is fixed to the device main body with one end surface of its valve housing in press contact, and a fuel supply return chamber is formed between the contact surface between the valve housing of the solenoid valve and the device main body, and a fuel supply return chamber is formed between the valve housing of the solenoid valve and the contact surface of the device main body. A fuel pressurizing chamber is formed inside the valve housing, and a valve storage hole that opens at the center of one end face facing the fuel supply return chamber is formed inside the valve housing, and a valve body slides into the valve housing hole. A fuel reservoir chamber is formed between the outer circumferential surface of the valve body and the inner circumferential surface of the valve storage hole and communicates with the fuel pressurizing chamber, and the fuel reservoir chamber and the fuel supply return chamber are freely provided. In the fuel injection device, a valve seat, on which the valve body is seated, is formed on an inner circumferential surface of the valve storage hole located between the valve seats, and the valve seat is connected to the valve housing from one end surface of the valve housing facing the fuel supply return chamber. A fuel injection device characterized in that valve housing holes are formed to be spaced apart in an extending direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11881688U JPH0240973U (en) | 1988-09-12 | 1988-09-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11881688U JPH0240973U (en) | 1988-09-12 | 1988-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0240973U true JPH0240973U (en) | 1990-03-20 |
Family
ID=31363494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11881688U Pending JPH0240973U (en) | 1988-09-12 | 1988-09-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0240973U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017067038A (en) * | 2015-10-01 | 2017-04-06 | トヨタ自動車株式会社 | Fuel pump |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62291463A (en) * | 1986-06-09 | 1987-12-18 | Nippon Denso Co Ltd | Fuel injection device |
-
1988
- 1988-09-12 JP JP11881688U patent/JPH0240973U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62291463A (en) * | 1986-06-09 | 1987-12-18 | Nippon Denso Co Ltd | Fuel injection device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017067038A (en) * | 2015-10-01 | 2017-04-06 | トヨタ自動車株式会社 | Fuel pump |
| US10066613B2 (en) | 2015-10-01 | 2018-09-04 | Toyota Jidosha Kabushiki Kaisha | Fuel pump |