JPS5837950U - Evaporative fuel control mechanism for supercharged engines - Google Patents
Evaporative fuel control mechanism for supercharged enginesInfo
- Publication number
- JPS5837950U JPS5837950U JP13272681U JP13272681U JPS5837950U JP S5837950 U JPS5837950 U JP S5837950U JP 13272681 U JP13272681 U JP 13272681U JP 13272681 U JP13272681 U JP 13272681U JP S5837950 U JPS5837950 U JP S5837950U
- Authority
- JP
- Japan
- Prior art keywords
- passage
- control mechanism
- negative pressure
- supercharger
- pressure
- 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
Landscapes
- Supercharger (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の無過給エンジンの蒸散燃料制御機構を概
略的に示す説明図であり、第２図は本考案の一実施例と
しての過給機付きエンジンの蒸散 □燃料制御機構を概
略的に示す説明図である。
１０・・・・・・過給機としてのターボチャージャコン
プレッサ、１１・・・・・・燃料タンク、１２・・曲蒸
散燃料吸着装置、１２ａ・・・・・・活性炭部分、１２
枠・・曲大気導入孔、１２Ｃ・・・・・・蒸散郷料供給
孔、１３・・・・・・空気吸入ホース、１４・・・・・
・蒸散燃料導入通路、１５・・・・・・開閉弁、１６・
曲佼゛イアフラム式アクチュエータ、１６ａ・・・・・
・ロッド、１６ｂ・・・・・・ダイアフラム、１６Ｃ，
’１６ｄ・・・・・・圧力室、１７・・・・・・負圧通
路、１７ａ・・・・・・負圧取出口、１８・・曲スロッ
トル弁、１９・・・・・・過給圧通路、２０・・・・・
・リターンスプリング、Ａ・・・・・・エンジン吸気系
。
補正 昭５６−１２．１７
実用新案登録請求の範囲を次のように補正する。
Ｏ実用新案登録請求の範囲
吸気系のスロットル弁より上流に過給機をそなえたエン
ジンにおいて、上記吸気系と燃料蒸気吸着装置とを連通
する蒸散燃料吸入通路と、同蒸散燃料吸入通路を開閉す
開閉弁と、同開閉弁を作動させるダイアフラム式アクチ
ュエータとをそなえ、゛ 同アクチュエータのダイアフ
ラムによって仕切ら、れる２つの圧力室の一方に、上記
吸気系に開口する負圧取出口に発生する負圧を導入しう
る負圧通路が接続されるとともに、上記圧力室の他方に
、上記過給機の過給圧を導入しうる過給圧通路が接ｉさ
れたことを特徴とする、過給機付きエンジン゛の蒸散燃
料制御機構。Fig. 1 is an explanatory diagram schematically showing the evaporative fuel control mechanism of a conventional non-supercharged engine, and Fig. 2 is an explanatory diagram schematically showing the evaporative fuel control mechanism of a supercharged engine as an embodiment of the present invention. FIG. DESCRIPTION OF SYMBOLS 10... Turbocharger compressor as a supercharger, 11... Fuel tank, 12... Bent transpiration fuel adsorption device, 12a... Activated carbon portion, 12
Frame...Curved air introduction hole, 12C...Transpiration gas supply hole, 13...Air suction hose, 14...
- Evaporated fuel introduction passage, 15... Opening/closing valve, 16.
Curved iaphragm actuator, 16a...
・Rod, 16b...Diaphragm, 16C,
'16d...Pressure chamber, 17...Negative pressure passage, 17a...Negative pressure outlet, 18...Curved throttle valve, 19...Supercharging Pressure passage, 20...
・Return spring, A...Engine intake system. Amendment December 17, 1982 The scope of claims for utility model registration is amended as follows. Scope of Utility Model Registration Claims In an engine equipped with a supercharger upstream of a throttle valve in the intake system, a evaporated fuel intake passage that communicates the intake system with a fuel vapor adsorption device, and a method for opening and closing the evaporated fuel intake passage. It is equipped with an on-off valve and a diaphragm actuator that operates the on-off valve, and the negative pressure generated at the negative pressure outlet opening into the intake system is applied to one of the two pressure chambers separated by the diaphragm of the actuator. A supercharger equipped with a supercharger, characterized in that a negative pressure passage through which the supercharging pressure of the supercharger can be introduced is connected to the other pressure chamber, and a supercharging pressure passage through which supercharging pressure of the supercharger can be introduced is connected to the other side of the pressure chamber. Engine's evaporated fuel control mechanism.
Claims (1)
系と燃料蒸気吸着装置とを連通ずる蒸散燃料吸入通路と
、同蒸散燃料吸入通路を開閉する開閉弁と、同開閉弁を
作動させるダイアフラム式アクチュエータとをそなえ、
同アクチュエータのダイアフラムによって仕切られる２
つの圧力室の一方に、スロットル弁全閉位置で直上流側
に開口する負圧取出口に発生すや負圧を導入しうる負圧
通路が接続されるとともに、手記圧力室の他方に、上記
過給機の過給圧を導入しうる過給圧通路が接続されたこ
とを特徴とする、過給機付きエンジンの蒸散燃料制御機
構。In an engine equipped with a supercharger in the intake system, an evaporated fuel intake passage that communicates the intake system with a fuel vapor adsorption device, an on-off valve that opens and closes the evaporated fuel intake passage, and a diaphragm type that operates the on-off valve. Equipped with an actuator,
2 separated by the diaphragm of the same actuator
One of the two pressure chambers is connected to a negative pressure passage that can immediately introduce negative pressure generated at the negative pressure outlet that opens immediately upstream when the throttle valve is fully closed, and the other pressure chamber is connected to the A evaporated fuel control mechanism for a supercharged engine, characterized in that a supercharging pressure passage is connected to which supercharging pressure of a supercharger can be introduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13272681U JPS5837950U (en) | 1981-09-07 | 1981-09-07 | Evaporative fuel control mechanism for supercharged engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13272681U JPS5837950U (en) | 1981-09-07 | 1981-09-07 | Evaporative fuel control mechanism for supercharged engines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5837950U true JPS5837950U (en) | 1983-03-11 |
Family
ID=29926243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13272681U Pending JPS5837950U (en) | 1981-09-07 | 1981-09-07 | Evaporative fuel control mechanism for supercharged engines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5837950U (en) |
-
1981
- 1981-09-07 JP JP13272681U patent/JPS5837950U/en active Pending
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