JPS63164532U - - Google Patents
Info
- Publication number
- JPS63164532U JPS63164532U JP5834487U JP5834487U JPS63164532U JP S63164532 U JPS63164532 U JP S63164532U JP 5834487 U JP5834487 U JP 5834487U JP 5834487 U JP5834487 U JP 5834487U JP S63164532 U JPS63164532 U JP S63164532U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- negative pressure
- throttle
- air valve
- intake passage
- 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
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/1015—Air intakes; Induction systems characterised by the engine type
- F02M35/10177—Engines having multiple fuel injectors or carburettors per cylinder
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第１図は、本考案に基づく燃料噴射装置用スロ
ツトルボデイの縦断面図である。
１…スロツトルボデイ、２…ボデイ本体、３…
吸気道、３ａ…上流側、３ｂ…狭窄部、３ｃ…下
流側、４…エア弁、４ａ…切欠部、４ｂ…後縁部
、５…弁軸、６…スロツトル弁、６ａ…前縁部、
６ｂ…後縁部、７…弁軸、７ａ…切欠溝、８…噴
射通路、８ａ…開口部、９…噴射通路、９ａ…開
口部、１０…主噴射弁、１０ａ…ノズル先端、１
１…副噴射弁、１１ａ…ノズル先端、１２，１３
…キヤツプ、１４，１５…押えプレート、１６…
ノズル部、１７…円筒状部材、１８…切欠部、１
９…アシストエア通路、２０…ジエツト、２１…
隙間、２２…燃料入口、２３，２４…Ｏリング、
２６…燃料入口、２７，２８…Ｏリング、３０…
リンク部材、３０ａ…自由端、３１…連接ロツド
、３２…負圧アクチユエータ、３３…負圧取出し
ポート、３４…管路、３５…負圧室、３６…ダイ
ヤフラム、３７…リテーナ、３８…圧縮コイルば
ね、３９，４０…想像線。
FIG. 1 is a longitudinal sectional view of a throttle body for a fuel injection device based on the present invention. 1...Throttle body, 2...Body body, 3...
Intake path, 3a... upstream side, 3b... narrowed part, 3c... downstream side, 4... air valve, 4a... notch, 4b... rear edge part, 5... valve shaft, 6... throttle valve, 6a... front edge part,
6b...rear edge, 7...valve shaft, 7a...notch groove, 8...injection passage, 8a...opening, 9...injection passage, 9a...opening, 10...main injection valve, 10a...nozzle tip, 1
1...Sub-injection valve, 11a...Nozzle tip, 12, 13
...cap, 14, 15...presser plate, 16...
Nozzle part, 17... Cylindrical member, 18... Notch part, 1
9...Assist air passage, 20...Jet, 21...
Gap, 22... Fuel inlet, 23, 24... O-ring,
26... Fuel inlet, 27, 28... O ring, 30...
Link member, 30a...Free end, 31...Connection rod, 32...Negative pressure actuator, 33...Negative pressure outlet port, 34...Pipeline, 35...Negative pressure chamber, 36...Diaphragm, 37...Retainer, 38...Compression coil spring , 39, 40...Imaginary line.
Claims (1)
供給する噴射弁と、前記吸気道の下流側位置に設
けられたスロツトル弁と、前記スロツトル弁より
上流側の前記吸気道中に設けられたエア弁と、前
記エア弁より下流側かつ前記スロツトル弁より上
流側に設けられた狭窄部と、吸気負圧に応じて前
記エア弁を開弁制御する負圧アクチユエータとを
備える燃料噴射装置用スロツトルボデイであつて
、 前記負圧アクチユエータに作用する負圧の取出
しポートが、前記エア弁の後縁部と反対側の前記
狭窄部付近に開口していることを特徴とする燃料
噴射装置用スロツトルボデイ。[Claims for Utility Model Registration] An injection valve that injects fuel into an intake passage installed in the body, a throttle valve installed downstream of the intake passage, and a throttle valve installed upstream of the throttle valve. an air valve provided in an intake passage; a narrowed portion provided downstream of the air valve and upstream of the throttle valve; and a negative pressure actuator that controls opening of the air valve in response to intake negative pressure. A throttle body for a fuel injection device, characterized in that a negative pressure outlet port acting on the negative pressure actuator opens near the narrowed portion on the opposite side from the rear edge of the air valve. Throttle body for injection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5834487U JPS63164532U (en) | 1987-04-17 | 1987-04-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5834487U JPS63164532U (en) | 1987-04-17 | 1987-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63164532U true JPS63164532U (en) | 1988-10-26 |
Family
ID=30888832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5834487U Pending JPS63164532U (en) | 1987-04-17 | 1987-04-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63164532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0649731U (en) * | 1992-12-21 | 1994-07-08 | 日産ディーゼル工業株式会社 | Shutter device for internal combustion engine |
-
1987
- 1987-04-17 JP JP5834487U patent/JPS63164532U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0649731U (en) * | 1992-12-21 | 1994-07-08 | 日産ディーゼル工業株式会社 | Shutter device for internal combustion engine |