JPS61101664U - - Google Patents
Info
- Publication number
- JPS61101664U JPS61101664U JP18673784U JP18673784U JPS61101664U JP S61101664 U JPS61101664 U JP S61101664U JP 18673784 U JP18673784 U JP 18673784U JP 18673784 U JP18673784 U JP 18673784U JP S61101664 U JPS61101664 U JP S61101664U
- Authority
- JP
- Japan
- Prior art keywords
- load
- combustion engine
- internal combustion
- flow control
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 claims description 4
- 239000002828 fuel tank Substances 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 3
- 230000002265 prevention Effects 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 1
Description
第１図は本考案の第１実施例を示す概略断面図
、第２図は負圧と蒸発燃料との関係を示すグラフ
、第３図は本考案の第２実施例を示す概略断面図
、第４図は従来例を示す概略断面図である。
図中、１３は燃料タンク、２０は吸気マニホー
ルド、２４，３０は流量制御弁である。
FIG. 1 is a schematic sectional view showing a first embodiment of the present invention, FIG. 2 is a graph showing the relationship between negative pressure and evaporated fuel, and FIG. 3 is a schematic sectional view showing a second embodiment of the present invention. FIG. 4 is a schematic sectional view showing a conventional example. In the figure, 13 is a fuel tank, 20 is an intake manifold, and 24 and 30 are flow control valves.
Claims (1)
関の吸気マニホールドに移送する通路を形成し、
該通路に上記内燃機関の中負荷時に最大開度にし
、低負荷時及び高負荷時に順次開度を小さくする
流量制御弁を設けたことを特徴とする燃料蒸発ガ
ス発散防止装置。 (2) 上記流量制御弁が上記内燃機関の高負荷時
にはスプリングで閉じるべく付勢されると共に低
負荷時には増大する吸気圧の負圧によつて閉じら
れるように構成された上記実用新案登録請求の範
囲第１項記載の燃料蒸発ガス発散防止装置。[Scope of claim for utility model registration] (1) Forming a passage for transferring evaporated fuel generated in a fuel tank to an intake manifold of an internal combustion engine,
A fuel evaporative emission prevention device, characterized in that the passage is provided with a flow control valve that opens to a maximum degree when the internal combustion engine is under medium load, and gradually decreases the degree of opening when the load is low and then when the load is high. (2) The above utility model registration claim wherein the flow control valve is configured to be biased to close by a spring when the load of the internal combustion engine is high, and to be closed by the negative pressure of the intake pressure that increases when the load is low. The fuel evaporative emission prevention device according to scope 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984186737U JPH0343405Y2 (en) | 1984-12-11 | 1984-12-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984186737U JPH0343405Y2 (en) | 1984-12-11 | 1984-12-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61101664U true JPS61101664U (en) | 1986-06-28 |
| JPH0343405Y2 JPH0343405Y2 (en) | 1991-09-11 |
Family
ID=30744203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984186737U Expired JPH0343405Y2 (en) | 1984-12-11 | 1984-12-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0343405Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019017197A1 (en) * | 2017-07-17 | 2019-01-24 | 浜名湖電装株式会社 | Valve device and canister |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4714485U (en) * | 1971-03-13 | 1972-10-20 |
-
1984
- 1984-12-11 JP JP1984186737U patent/JPH0343405Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4714485U (en) * | 1971-03-13 | 1972-10-20 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019017197A1 (en) * | 2017-07-17 | 2019-01-24 | 浜名湖電装株式会社 | Valve device and canister |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0343405Y2 (en) | 1991-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS61101664U (en) | ||
| JPS63121758U (en) | ||
| JPH02137554U (en) | ||
| JPS5832161U (en) | Internal combustion engine intake air heating device | |
| JPH01136666U (en) | ||
| JPS61137871U (en) | ||
| JPS60159870U (en) | Exhaust gas recirculation device for internal combustion engine with supercharger | |
| JPS5840548U (en) | Exhaust gas recirculation device | |
| JPS6340532U (en) | ||
| JPS6373560U (en) | ||
| JPS6453462U (en) | ||
| JPS6331223U (en) | ||
| JPS6045857U (en) | Internal combustion engine exhaust gas recirculation control device | |
| JPS61138835U (en) | ||
| JPS59121414U (en) | Afterburn prevention device for internal combustion engines | |
| JPH0219861U (en) | ||
| JPS6261964U (en) | ||
| JPS63138457U (en) | ||
| JPS61110837U (en) | ||
| JPS59111950U (en) | Internal combustion engine exhaust gas recirculation control device | |
| JPS59181256U (en) | Restart control device for supercharged engines | |
| JPS6352957U (en) | ||
| JPS611654U (en) | Engine fuel evaporative emission prevention device | |
| JPS63170539U (en) | ||
| JPS59177748U (en) | Fuel supply system for internal combustion engine with supercharger |