JPH0620824B2 - Fuel filler pipe - Google Patents
Fuel filler pipeInfo
- Publication number
- JPH0620824B2 JPH0620824B2 JP60169613A JP16961385A JPH0620824B2 JP H0620824 B2 JPH0620824 B2 JP H0620824B2 JP 60169613 A JP60169613 A JP 60169613A JP 16961385 A JP16961385 A JP 16961385A JP H0620824 B2 JPH0620824 B2 JP H0620824B2
- Authority
- JP
- Japan
- Prior art keywords
- vaporized gas
- opening
- port
- pipe
- 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.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/04—Tank inlets
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は燃料タンクに接続し、入口を燃料補給口とする
フューエルフィラーパイプに係り、燃料補給ガンが燃料
補給口に挿入されると、自動的に開弁する気化ガス逃出
口を、該パイプ本体の前記開閉蓋(9)より内方の側腹に
設けたものである。Description: TECHNICAL FIELD The present invention relates to a fuel filler pipe connected to a fuel tank and having an inlet as a fuel supply port, and is automatically operated when a fuel supply gun is inserted into the fuel supply port. The vaporized gas escape port that is opened selectively is provided on the flank inward of the opening / closing lid (9) of the pipe body.
（従来の技術） 従来のフューエルフィラーパイプは、燃料補給の度毎に
燃料補給口を開くと、燃料タンク内の気化ガスが該補給
口から自動的に大気中に逃げ出すようになつている。
（キャニスターに送るものもある。） （発明が解決しようとする問題点） 燃料タンクに燃料を補給するときは、燃料注入量と同容
積又はそれ以上の気化ガスが大気中に放出されるから、
そのガス放出を可及的に防止する必要がある。(Prior Art) In a conventional fuel filler pipe, when a fuel supply port is opened each time fuel is refilled, vaporized gas in a fuel tank automatically escapes into the atmosphere from the refueling port.
(Some can be sent to canisters.) (Problems to be solved by the invention) When refueling a fuel tank, vaporized gas of the same volume as the fuel injection amount or more is released into the atmosphere.
It is necessary to prevent the gas release as much as possible.
（問題点を解決するための手段） 本発明は前項に述べた問題点の解決を目的とし、燃料補
給ガンの挿入によりフューエルフィラーパイプの端口部
に嵌めた補給口管の開閉蓋が開き、該開閉蓋に連動して
弁作動片が作動し、弁作動片に設けた開閉弁により閉じ
られた気化ガス逃出口を開き、気化ガスを気化ガス逃出
口から気化ガス誘導管に逃がして該管によりキャニスタ
ーに導き、前記ガス逃出口を前記開閉蓋より内方の前記
フューエルフィラーパイプの側腹に開口したことを特徴
とするもので、燃料補給のためパイプ本体の燃料補給口
に燃料補給ガンを挿入して行う燃料の補給と共に、燃料
タンクに溜まった燃料ガスを燃料補給口からではなく、
その補給口より内方の気化ガス逃出口からパイプ本体の
外部に逃出させる構成を提供するものである。(Means for Solving Problems) The present invention is intended to solve the problems described in the preceding paragraph, and by inserting a fuel supply gun, the opening / closing lid of the supply port pipe fitted to the end opening of the fuel filler pipe is opened, The valve operating piece operates in conjunction with the opening / closing lid, opens the vaporized gas escape port closed by the opening / closing valve provided in the valve operating piece, and allows vaporized gas to escape from the vaporized gas escape port to the vaporized gas guide pipe, thereby It is characterized in that the gas escape port is opened to the flank of the fuel filler pipe inward of the opening / closing lid and guided to the canister, and a fuel supply gun is inserted into the fuel supply port of the pipe body for fuel supply. The fuel gas accumulated in the fuel tank will not be discharged from the fuel supply port,
It is intended to provide a configuration in which the vaporized gas escape port inside the supply port is allowed to escape to the outside of the pipe body.
（実施例） 本発明の一実施例を添付図面によって説明する。フュー
エルフィラーパイプａのパイプ本体(1)は第６図に示す
ように下端を燃料タンクｂに接続してなり、第１図のよ
うに端口部(2)に補給口管(3)を挿入する。補給口管(3)
はパイプ本体(1)とは別体製作の部品からなり、前記端
口部(2)の端口に一部を緊密に内嵌して固定し、内嵌部
分より上方を燃料補給口(4)とし、該口(4)にキャップ(4
a)を嵌めて内周突環(5)により係合し、内嵌部分の下端
に、一方に片寄らせた縮径口(6)を形成し、該縮径口(6)
の周りの下面にブラケット(7)を垂下状に取付け、その
ブラケット(7)の軸(8)に縮径口(6)を下方から塞ぐ開閉
蓋(9)を嵌め、軸(8)に巻き付けたばね(10)を開閉蓋(9)
に掛けてそのばね弾力により縮径口(6)を閉じさせる
（第１、２図参照）。(Embodiment) An embodiment of the present invention will be described with reference to the accompanying drawings. The fuel filler pipe a has a pipe body (1) whose lower end is connected to a fuel tank b as shown in FIG. 6, and a supply port pipe (3) is inserted into the end opening (2) as shown in FIG. . Supply mouth pipe (3)
Consists of a part made separately from the pipe body (1), and a part is tightly fitted and fixed to the end opening of the end opening part (2), and the fuel supply port (4) is located above the inner fitting part. , Cap (4) on the mouth (4)
(a) is fitted and engaged by the inner peripheral projecting ring (5), and a reduced diameter port (6) which is offset to one side is formed at the lower end of the internally fitted portion, and the reduced diameter port (6)
Attach the bracket (7) to the lower surface around the, and fit the shaft (8) of the bracket (7) with the opening / closing lid (9) that closes the diameter reduction port (6) from below and wind it around the shaft (8). Open and close the spring (10) lid (9)
Then, the diameter reducing port (6) is closed by its spring elasticity (see FIGS. 1 and 2).
端口部(2)には前記開閉蓋(9)より内方に気化ガス逃出口
(11)を開口して弁座(12)を嵌め、ガス逃出口(11)の外側
に気化ガス誘導管(13)を固定する。またブラケット(7)
の軸(14)に前記の弁座(12)に球面形の開閉弁(16)を接合
する弁作動片(15)を嵌め、該弁作動片(15)の軸(14)より
上方に受圧片(17)を一体に設け、軸(14)に巻き付けたば
ね(18)を弁作動片(15)に掛けて開閉弁(16)を弁座(12)に
圧接する。開閉蓋(9)には縮径口(6)を第４図のように燃
料供給ガン(21)の挿入により約90゜の回転と共に受圧片
(17)を押して開閉弁(16)を弁座(12)から引離す開弁動作
を生じさせるカム(19)を設ける。At the end opening (2), the vaporized gas escape is inward from the opening / closing lid (9).
The valve seat (12) is fitted by opening (11) and the vaporized gas guide pipe (13) is fixed to the outside of the gas escape port (11). Bracket (7)
Fit the valve actuating piece (15) that joins the spherical opening / closing valve (16) to the valve seat (12) on the shaft (14) of The piece (17) is integrally provided, and the spring (18) wound around the shaft (14) is hung on the valve actuating piece (15) to press the on-off valve (16) against the valve seat (12). The opening / closing lid (9) has a reduced diameter port (6) as shown in FIG.
A cam (19) is provided which pushes (17) to cause the opening / closing valve (16) to separate from the valve seat (12).
第６図は気化ガス逃出口(11)から逃出する気化ガスの処
理機構を示したものであつて、活性炭の充填により気化
ガスを吸着する作用を持ったキャニスターｃに気化ガス
誘導管(13)を接続し、そのキャニスターｃを別の誘導管
ｄによりエンジンの気化器、燃料噴射ポンプの吸込口等
に接続する。(20)は燃料タンクｂの上方部分に接続する
エアー抜管であって、燃料補給のときはタンクｂに溜ま
った気化ガスを開閉蓋(9)の下方の端口部(2)に導く。FIG. 6 shows a treatment mechanism of the vaporized gas that escapes from the vaporized gas escape port (11). The vaporized gas guide pipe (13) is provided in the canister c which has a function of adsorbing the vaporized gas by filling with activated carbon. ) Is connected, and the canister c is connected to the carburetor of the engine, the suction port of the fuel injection pump, etc. by another guide pipe d. Reference numeral (20) is an air vent pipe connected to the upper portion of the fuel tank b, and guides the vaporized gas accumulated in the tank b to the lower end opening (2) of the opening / closing lid (9) at the time of refueling.
本実施例の作用を説明すると、燃料補給のとき燃料補給
ガン(21)を第４図のように燃料補給口(4)からパイプ本
体(1)内に押し込むと、開閉蓋(9)が押されて縮径口(6)
を開く回転動作を生じ、そのときカム(19)により弁作動
片(15)の受圧片(17)を押し、開閉弁(16)を弁座(12)から
引離して気化ガス逃出口(11)を開放する開弁動作を生
じ、燃料補給量に応じて燃料タンクｂに溜まった気化ガ
スをパイプ本体(1)の燃料補給口(4)より少し内方から該
パイプ本体(1)の外部に逃出させ、気化ガス誘導管(13)
によりキャニスターに誘導する。The operation of this embodiment will be described. When the fuel supply gun (21) is pushed into the pipe body (1) through the fuel supply port (4) as shown in FIG. 4, the opening / closing lid (9) is pushed. Reduced diameter mouth (6)
When the cam (19) pushes the pressure receiving piece (17) of the valve operating piece (15), the on-off valve (16) is separated from the valve seat (12) and the vaporized gas escape port (11) is opened. ) Is generated, and the vaporized gas accumulated in the fuel tank b in accordance with the amount of refueling is released from the pipe body (1) to the outside of the pipe body (1) from a little inside from the fuel supply port (4). Vaporized gas induction pipe to escape to (13)
To guide the canister.
（本発明の作用及び効果） 本発明は燃料タンクへの燃料補給のときに、フューエル
フィラーパイプの燃料補給口に燃料補給ガンを挿入する
と、その挿入と関係的に気化ガス逃出口を開弁して気化
ガス誘導管(13)によりキャニスターに気化ガスを誘導す
る構成になり、気化ガス逃出口は前記の開閉蓋(9)より
内方のパイプ側腹に設けてあるから、従来のように気化
ガスを燃料補給口から大気中に放出しない。このため環
境保護に役立つ。(Operation and Effect of the Present Invention) According to the present invention, when the fuel supply gun is inserted into the fuel supply port of the fuel filler pipe during refueling of the fuel tank, the vaporized gas escape port is opened in relation to the insertion. The vaporized gas guide tube (13) guides the vaporized gas to the canister.The vaporized gas escape port is provided on the pipe flank inside the opening / closing lid (9). Do not release gas from the refueling port into the atmosphere. This helps protect the environment.
第１〜４図は本発明の一実施例を示し、第１図は中心部
縦断側面図、第２図は第１図の矢線Ａの方向から見た下
面図、第３図は第１図Ｂ−Ｂ線で切断した一部の平面
図、第４図は燃料補給ガンの挿入時の中心部縦断側面
図、第５図は一部の分離斜視図、第６図は側面図であ
る。 (1)→パイプ本体、(2)→端口部 (4)→燃料補給口、(7)→ブラケット (8)→軸、(9)→開閉蓋、(10)→ばね (11)→気化ガス逃出口、(12)→弁座 (13)→気化ガス誘導管、(14)→軸 (15)→弁作動片、(16)→開閉弁、(17)→受圧片 (19)→カム、(21)→燃料供給ガン1 to 4 show one embodiment of the present invention, FIG. 1 is a vertical sectional side view of a central portion, FIG. 2 is a bottom view seen from the direction of arrow A in FIG. 1, and FIG. 4 is a partial plan view taken along the line BB in FIG. 4, FIG. 4 is a vertical cross-sectional side view of the central portion when the fuel supply gun is inserted, FIG. . (1) → pipe body, (2) → end port (4) → fuel supply port, (7) → bracket (8) → shaft, (9) → open / close lid, (10) → spring (11) → vaporized gas Escape, (12) → valve seat (13) → vaporized gas guide tube, (14) → shaft (15) → valve actuating piece, (16) → open / close valve, (17) → pressure receiving piece (19) → cam, (21) → Fuel supply gun
───────────────────────────────────────────────────── フロントページの続き (72)発明者 浦西 康次 愛知県豊田市トヨタ町１番地 トヨタ自動 車株式会社内 (72)発明者 宮▲碕▼ 信次 愛知県豊田市鴻ノ巣町２丁目26番地 堀江 金属工業株式会社内 (72)発明者 杉本 純一 愛知県豊田市鴻ノ巣町２丁目26番地 堀江 金属工業株式会社内 (56)参考文献 実開 昭57−22663（ＪＰ，Ｕ) 実開 昭54−16926（ＪＰ，Ｕ) 実開 昭55−53619（ＪＰ，Ｕ) 実開 昭61−127025（ＪＰ，Ｕ) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Koji Uranishi 1 Toyota Town, Toyota City, Aichi Prefecture Toyota Automobile Co., Ltd. Horie Metal Industry Co., Ltd. (72) Inventor Junichi Sugimoto 2-26 Kounosu-cho, Toyota City, Aichi Prefecture Horie Metal Industry Co., Ltd. (56) References: 57-22663 (JP, U) 16926 (JP, U) Actual opening 55-53619 (JP, U) Actual opening 61-127025 (JP, U)
Claims (1)
ラーパイプの端口部に嵌めた補給口管の開閉蓋が開き、
該開閉蓋に連動して弁作動片が作動し、弁作動片に設け
た開閉弁により閉じられた気化ガス逃出口を開き、気化
ガスを気化ガス逃出口から気化ガス誘導管に逃がして該
管によりキャニスターに導き、前記ガス逃出口を前記開
閉蓋より内方の前記フューエルフィラーパイプの側腹に
開口したことを特徴とするフューエルフィラーパイプ。1. An opening / closing lid of a supply port pipe fitted to an end port of a fuel filler pipe is opened by inserting a fuel supply gun,
The valve operating piece operates in conjunction with the opening / closing lid, opens the vaporized gas escape port closed by the opening / closing valve provided in the valve operating piece, and releases vaporized gas from the vaporized gas escape port to the vaporized gas guide pipe, The fuel filler pipe is characterized in that the gas escape port is opened to the flank of the fuel filler pipe inward of the opening / closing lid.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60169613A JPH0620824B2 (en) | 1985-07-31 | 1985-07-31 | Fuel filler pipe |
| US06/884,154 US4715509A (en) | 1985-07-31 | 1986-07-10 | Fuel filler conduit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60169613A JPH0620824B2 (en) | 1985-07-31 | 1985-07-31 | Fuel filler pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6229418A JPS6229418A (en) | 1987-02-07 |
| JPH0620824B2 true JPH0620824B2 (en) | 1994-03-23 |
Family
ID=15889742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60169613A Expired - Lifetime JPH0620824B2 (en) | 1985-07-31 | 1985-07-31 | Fuel filler pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0620824B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10337859B4 (en) * | 2002-09-03 | 2006-10-19 | Asteer Co.Ltd. | Method for producing a filler neck |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4809865A (en) * | 1987-02-20 | 1989-03-07 | Toyota Jidosha Kabushiki Kaisha | Fuel tank for use in a vehicle |
| KR100293732B1 (en) * | 1997-12-30 | 2001-11-26 | 이계안 | Fuel pressure release device of fuel tank |
| US6338362B1 (en) * | 2000-11-07 | 2002-01-15 | Pilot Industries, Inc. | Vent valve assembly |
| JP6965634B2 (en) * | 2017-08-29 | 2021-11-10 | 豊田合成株式会社 | Fuel tank switchgear |
| JP7174338B2 (en) * | 2018-01-24 | 2022-11-17 | いすゞ自動車株式会社 | Vehicle fuel filler structure |
| JP7061900B2 (en) * | 2018-03-09 | 2022-05-02 | 株式会社Fts | Fuel supply device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5416926U (en) * | 1977-07-06 | 1979-02-03 | ||
| JPS5553619U (en) * | 1978-10-09 | 1980-04-11 | ||
| JPS6023501Y2 (en) * | 1980-07-12 | 1985-07-12 | マツダ株式会社 | Automobile evaporative fuel control device |
| JPS61127025U (en) * | 1985-01-29 | 1986-08-09 |
-
1985
- 1985-07-31 JP JP60169613A patent/JPH0620824B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10337859B4 (en) * | 2002-09-03 | 2006-10-19 | Asteer Co.Ltd. | Method for producing a filler neck |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6229418A (en) | 1987-02-07 |
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