JPH0213169U - - Google Patents
Info
- Publication number
- JPH0213169U JPH0213169U JP11977088U JP11977088U JPH0213169U JP H0213169 U JPH0213169 U JP H0213169U JP 11977088 U JP11977088 U JP 11977088U JP 11977088 U JP11977088 U JP 11977088U JP H0213169 U JPH0213169 U JP H0213169U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- valve
- supply hole
- air supply
- air
- 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 22
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は第５図の―線に沿つてみた第１の
実施例の燃料噴射装置のハウジング筒状部の拡大
側面断面図、第２図は第１の実施例の案内部材の
斜視図、第３図は第１図の平面図、第４図は第１
図の―線に沿つてみた断面図、第５図は内燃
機関の側面断面図、第６図は給排気弁の開弁時期
等を示す線図、第７図は第２の実施例の案内部材
の拡大側面断面図、第８図は第７図の―線に
沿つてみた断面図、第９図は貫通孔先端を絞つた
案内部材の拡大側面断面図、第１０図は第３の実
施例の燃料噴射装置の先端部の拡大側面断面図、
第１１図は案内部材の平面図、第１２図は案内部
材の斜視図、第１３図は第４の実施例を示す燃料
噴射装置の先端部の拡大側面断面図、第１４図は
第１３図の―線に沿つてみた断面図、第１５
図は案内部材の斜視図、第１６図は第５の実施例
を示す燃料噴射装置の先端部の拡大側面断面図、
第１７図は第６の実施例を示す燃料噴射装置の先
端部の拡大側面断面図、第１８図は第７の実施例
を示す燃料噴射装置の先端部の拡大側面断面図で
ある。
７…燃料噴射装置、９…燃料噴射弁、１０…空
気噴射弁、１１…燃料空気供給孔、１３…ノズル
口、１４…自動開閉弁、１６…弁軸、１９，２１
，３２…案内部材。
FIG. 1 is an enlarged side sectional view of the housing cylindrical part of the fuel injection device of the first embodiment taken along the line - in FIG. 5, FIG. 2 is a perspective view of the guide member of the first embodiment, Figure 3 is a plan view of Figure 1, Figure 4 is a plan view of Figure 1.
5 is a side sectional view of the internal combustion engine, FIG. 6 is a diagram showing the opening timing of the intake and exhaust valves, etc., and FIG. 7 is a guide to the second embodiment. FIG. 8 is an enlarged side sectional view of the member, FIG. 8 is a sectional view taken along the line - in FIG. 7, FIG. 9 is an enlarged side sectional view of the guide member with the tip of the through hole narrowed, and FIG. An enlarged side sectional view of the tip of the example fuel injector,
FIG. 11 is a plan view of the guide member, FIG. 12 is a perspective view of the guide member, FIG. 13 is an enlarged side sectional view of the tip of the fuel injection device showing the fourth embodiment, and FIG. 14 is the FIG. Sectional view taken along the line of , No. 15
The figure is a perspective view of the guide member, and FIG. 16 is an enlarged side sectional view of the tip of the fuel injection device showing the fifth embodiment.
FIG. 17 is an enlarged side sectional view of the tip of the fuel injection device showing the sixth embodiment, and FIG. 18 is an enlarged side sectional view of the tip of the fuel injection device showing the seventh embodiment. 7... Fuel injection device, 9... Fuel injection valve, 10... Air injection valve, 11... Fuel air supply hole, 13... Nozzle port, 14... Automatic opening/closing valve, 16... Valve shaft, 19, 21
, 32...Guiding member.
Claims (1)
る燃料空気供給孔を形成し、該燃料空気供給孔の
一端部にノズル口を形成すると共に該燃料空気供
給孔の他端部に燃料噴射弁および空気噴射弁を配
置し、上記ノズル口に常時閉弁方向にばね付勢さ
れた自動開閉弁を配置すると共に該自動開閉弁の
弁軸が燃料空気供給孔内を延びており、空気噴射
弁から噴射された加圧空気によつて上記自動開閉
弁を開弁せしめると共に燃料噴射弁から燃料空気
供給孔内に噴射された燃料を該加圧空気によつて
ノズル口から噴射せしめるようにした燃料噴射装
置において、加圧空気を自動開閉弁の弁軸周りの
燃料空気供給孔周辺部へ分配案内するための案内
部材を該弁軸の上流の燃料空気供給孔内に配置せ
しめた内燃機関の燃料噴射装置。 A fuel air supply hole extending substantially linearly is formed in the fuel injector housing, a nozzle port is formed at one end of the fuel air supply hole, and a fuel injection valve and an air injection valve are formed at the other end of the fuel air supply hole. An automatic on-off valve that is normally biased by a spring in the valve-closing direction is arranged at the nozzle port, and a valve shaft of the automatic on-off valve extends inside the fuel air supply hole, and the air is injected from the air injection valve. In the fuel injection device, the automatic opening/closing valve is opened by the pressurized air, and the fuel injected from the fuel injection valve into the fuel air supply hole is injected from the nozzle port by the pressurized air. A fuel injection device for an internal combustion engine, in which a guide member for distributing and guiding pressurized air to the vicinity of a fuel and air supply hole around the valve shaft of an automatic opening/closing valve is disposed in the fuel and air supply hole upstream of the valve shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11977088U JPH0636291Y2 (en) | 1988-03-01 | 1988-09-14 | Fuel injection device for internal combustion engine |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63-25953 | 1988-03-01 | ||
| JP2595388 | 1988-03-01 | ||
| JP11977088U JPH0636291Y2 (en) | 1988-03-01 | 1988-09-14 | Fuel injection device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0213169U true JPH0213169U (en) | 1990-01-26 |
| JPH0636291Y2 JPH0636291Y2 (en) | 1994-09-21 |
Family
ID=31717563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11977088U Expired - Lifetime JPH0636291Y2 (en) | 1988-03-01 | 1988-09-14 | Fuel injection device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0636291Y2 (en) |
-
1988
- 1988-09-14 JP JP11977088U patent/JPH0636291Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0636291Y2 (en) | 1994-09-21 |
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