JPS59116561U - Fuel evaporative emission control device - Google Patents
Fuel evaporative emission control deviceInfo
- Publication number
- JPS59116561U JPS59116561U JP998783U JP998783U JPS59116561U JP S59116561 U JPS59116561 U JP S59116561U JP 998783 U JP998783 U JP 998783U JP 998783 U JP998783 U JP 998783U JP S59116561 U JPS59116561 U JP S59116561U
- Authority
- JP
- Japan
- Prior art keywords
- passage
- evaporative
- emission control
- fuel evaporative
- fuel
- 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
Landscapes
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (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
図面はこの考案に係る燃料蒸発ガス制御装置の実施例を
示すもので、第１図は第１実施例の概略□系統図、第２
図は第２実施例の要部概略系統図、第３図は第３実施例
の概略系統図、第４図は絞りの有無による燃料タンク圧
とそのときの吸気系の空燃比との関係図である。
図中、２はエバポ通路、４はエアクリーナ、６はセパレ
ータ、８は燃料タンク、８ａは燃料タンクキャップ、１
０は絞り部、１２は大気開口部、１４は弁、１６は気化
器、１Ｂは吸気通路、２０はエンジン、２２はバイパス
通路、２４は補助弁、２６はダイヤフラム部、２８は制
御通路、３０はキャニスタ、３２は大気ポートである。The drawings show an embodiment of the fuel evaporative emission control device according to this invention, and FIG. 1 is a schematic diagram of the first embodiment, and FIG.
The figure is a schematic diagram of the main parts of the second embodiment, Figure 3 is a schematic diagram of the third embodiment, and Figure 4 is a diagram of the relationship between the fuel tank pressure and the air-fuel ratio of the intake system depending on the presence or absence of a throttle. It is. In the figure, 2 is an evaporative passage, 4 is an air cleaner, 6 is a separator, 8 is a fuel tank, 8a is a fuel tank cap, 1
0 is a throttle part, 12 is an atmospheric opening, 14 is a valve, 16 is a carburetor, 1B is an intake passage, 20 is an engine, 22 is a bypass passage, 24 is an auxiliary valve, 26 is a diaphragm part, 28 is a control passage, 30 is a canister, and 32 is an atmospheric port.
Claims (1)
入させるエバポ通路の途中に絞り部を設け、該絞り部の
上流側に大気開口部を開設し、この大気開口部に所定圧
力で開成する弁を設けたことを特徴とする燃料蒸発ガス
制御装置。 ２ 前記エバポ通路をエアクリーナに連通ずると共に、
エアクリーナと気化器下流側吸気通路との間にバイパス
通路を開設し、該バイパス通路途中に燃料蒸発ガスの圧
力によって開閉制御される補助弁を設けたことを特徴と
する実用新案登録請求の範囲第１項記載の燃料蒸発ガス
制御装置。 ３ 前記絞り部下流側エバポ通路の途中にキャニスタ機
構を介装すると共に、エバポ通路をエアクリーナ下流側
吸気通路に連通したことを特徴とする実用新案登録請求
の範囲第１項記載の燃料蒸発ガス制御装置。[Scope of Claim for Utility Model Registration] 1. A constriction part is provided in the middle of the evaporative passageway through which fuel evaporative gas generated in the fuel tank flows into the intake system, and an atmospheric opening is provided on the upstream side of the constriction part, and this A fuel evaporative emission control device characterized in that an opening is provided with a valve that opens at a predetermined pressure. 2. Connecting the evaporative passage to the air cleaner,
Utility model registration claim No. 1, characterized in that a bypass passage is established between the air cleaner and the intake passage on the downstream side of the carburetor, and an auxiliary valve that is controlled to open and close by the pressure of fuel evaporative gas is provided in the middle of the bypass passage. The fuel evaporative emission control device according to item 1. 3. Fuel evaporative emission control according to claim 1, characterized in that a canister mechanism is interposed in the evaporative passage on the downstream side of the throttle part, and the evaporative passage is communicated with the intake passage on the downstream side of the air cleaner. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP998783U JPS59116561U (en) | 1983-01-28 | 1983-01-28 | Fuel evaporative emission control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP998783U JPS59116561U (en) | 1983-01-28 | 1983-01-28 | Fuel evaporative emission control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59116561U true JPS59116561U (en) | 1984-08-06 |
| JPS6341566Y2 JPS6341566Y2 (en) | 1988-11-01 |
Family
ID=30141434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP998783U Granted JPS59116561U (en) | 1983-01-28 | 1983-01-28 | Fuel evaporative emission control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59116561U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4984515U (en) * | 1972-11-14 | 1974-07-22 | ||
| JPS517370U (en) * | 1974-07-05 | 1976-01-20 | ||
| JPS5227293U (en) * | 1975-08-19 | 1977-02-25 |
-
1983
- 1983-01-28 JP JP998783U patent/JPS59116561U/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4984515U (en) * | 1972-11-14 | 1974-07-22 | ||
| JPS517370U (en) * | 1974-07-05 | 1976-01-20 | ||
| JPS5227293U (en) * | 1975-08-19 | 1977-02-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6341566Y2 (en) | 1988-11-01 |
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