JPS61132764A - Fuel tank device - Google Patents
Fuel tank deviceInfo
- Publication number
- JPS61132764A JPS61132764A JP25317284A JP25317284A JPS61132764A JP S61132764 A JPS61132764 A JP S61132764A JP 25317284 A JP25317284 A JP 25317284A JP 25317284 A JP25317284 A JP 25317284A JP S61132764 A JPS61132764 A JP S61132764A
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- passage
- fuel tank
- valve
- canister
- 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
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
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
-
- 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
- B60K15/035—Fuel tanks characterised by venting means
- B60K15/03504—Fuel tanks characterised by venting means adapted to avoid loss of fuel or fuel vapour, e.g. with vapour recovery systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は車両の燃料タンク装置に関する。[Detailed description of the invention] (Industrial application field) The present invention relates to a fuel tank device for a vehicle.
（従来の技術）
燃料タンク装置は一般に第２図に示すように、燃料タン
ク（１）と、給油口（２）と燃料タンク（１）とを接続
するインレット管（３）と、一端が燃料タンク（１）の
上部空間に開口され蒸発燃料を吸着する活性ｍ （４ａ
）が充填されたキャニスタ−（４）及び二方向弁（５）
を介して他端が大気に開口するベンチレーション通路（
８）と、一端が燃料タンク（１）内に開口し燃料の最高
充填液面（７）を規定するフリーザ通路（８）を備える
。(Prior Art) As shown in Fig. 2, a fuel tank device generally includes a fuel tank (1), an inlet pipe (3) connecting the fuel filler port (2) and the fuel tank (1), and one end connected to the fuel tank (1). Active m (4a
) filled canister (4) and two-way valve (5)
A ventilation passage whose other end opens to the atmosphere through
8), and a freezer passageway (8) which opens into the fuel tank (1) at one end and defines a maximum filling level (7) of fuel.
（発明が解決しようとする問題点）
斯かる従来の燃料タンク装置に給油する場合、従来では
給油口（２）に単に給油ガン（１１）を挿入して燃料を
供給しており、そのため燃料供給時に給油口（２）から
蒸発燃料が大気に拡散する不具合があった。斯かる不具
合を解消するため、例えば給油口（２）にシール材（１
２）を設け、給油ガン（１１）の挿入時、給油口（２）
と給油ガン（１１）との隙間を塞ぐことが考えられる。(Problem to be Solved by the Invention) When refueling such a conventional fuel tank device, conventionally, fuel was simply inserted into the refueling port (2) to supply fuel; At times, there was a problem in which evaporated fuel diffused into the atmosphere from the fuel filler port (2). In order to eliminate such problems, for example, sealing material (1
2), and when inserting the refueling gun (11), the refueling port (2)
It is conceivable to close the gap between the fuel tank and the refueling gun (11).
しかしながらこのように給油口（２）側を密封して給油
した場合、ベンチレーション通路（６）における二方向
弁（５）は燃料タンク（１）内圧力が所定値以上になっ
たときに開くように構成されているため、燃料タンク（
１）内の空気及び蒸発燃料は逃げ場所がすく、そのため
燃料はインレフト管（３）の上端に直ちに達し、給油ガ
ン（１１）に付設されたオートストッパを作動させ、充
分に燃料供給を行うことができなくなる不具合を生じる
。However, if the fuel filler port (2) side is sealed and refueled in this way, the two-way valve (5) in the ventilation passage (6) will open when the internal pressure of the fuel tank (1) exceeds a predetermined value. The fuel tank (
1) The air and evaporated fuel inside have little space to escape, so the fuel immediately reaches the upper end of the inleft pipe (3) and activates the auto stopper attached to the refueling gun (11) to supply sufficient fuel. This will cause a problem where you will not be able to.
本発明は前記不具合を解消すべく案出されたものであっ
て、本発明の目的とする処は、燃料供給時における蒸発
燃料の大気への拡散を防止でき、且つ給油口側を密封し
つつ燃料供給を円滑に行うことができる燃料タンク装置
を提供するにある。The present invention has been devised to solve the above-mentioned problems, and an object of the present invention is to prevent the vaporized fuel from dispersing into the atmosphere during fuel supply, and to seal the fuel filler port side. An object of the present invention is to provide a fuel tank device that can smoothly supply fuel.
（問題点を解決するための手段）
本発明は前記目的を達成するため、一端が燃料タンク上
部空間に開口され、弁及び蒸発燃料を吸着するキャニス
タ−を介して他端が大気に開口するベンチレーション通
路を備える燃料タンク装置において、一端が燃料タンク
内に開口して燃料の最高充填液面を規定するフリーザ通
路を設け、前記フリーザ通路に燃料供給時に開く弁を設
けると共に前記フリーザ通路の他端を前記ベンチレーシ
ョン通路における弁とキャニスタ−との間に接続したこ
とを特徴とする。(Means for Solving the Problems) In order to achieve the above object, the present invention provides a bench whose one end is opened to the upper space of the fuel tank and whose other end is opened to the atmosphere through a valve and a canister that adsorbs evaporated fuel. In a fuel tank device having a ration passage, a freezer passage is provided at one end of which opens into the fuel tank and defines a maximum filling level of fuel, the freezer passage is provided with a valve that opens when fuel is supplied, and the other end of the freezer passage is provided. is connected between the valve in the ventilation passage and the canister.
（作用）
燃料供給時、フリーザ通路の弁は開き、燃料供給に伴い
燃料タンク内の空気及び蒸発燃料はフリーザ通路、ベン
チレーション通路を通り、キャニスタ−により蒸発燃料
は吸着され、清浄な空気のみが大気に放出される。(Function) When fuel is supplied, the valve of the freezer passage opens, and as fuel is supplied, the air and evaporated fuel in the fuel tank pass through the freezer passage and the ventilation passage, and the evaporated fuel is adsorbed by the canister, leaving only clean air. released into the atmosphere.
燃料供給後、フリーザ通路の弁は閉じ、以後燃料タンク
内の空気及び蒸発燃料はフリーザ通路からベンチレーシ
ョン通路へ流れない。After the fuel is supplied, the valve of the freezer passage is closed, and thereafter the air and evaporated fuel in the fuel tank do not flow from the freezer passage to the ventilation passage.
（実施例）
以下本発明の好適一実施例を添付図面に従って説明する
。(Embodiment) A preferred embodiment of the present invention will be described below with reference to the accompanying drawings.
第１図は本発明に係る燃料タンク装置の概略図を示し、
従来装置と同一部材、同一箇所には同一符号を付して説
明すると、最高充填液面（７）と略同高さに一端を開口
（２１）してフリーザ通路（２２）を設ける。前記フリ
ーザ通路（２２）は前記開口（２１）とシール材（１２
）の内側における給油口（２）箇所に設けた開口（２３
）とを接続する通路（２０と、前記通路（２４）の上位
箇所に一端が開口（２５） Ｌ、他端が前記ベンチレー
ション通路（８）における二方向弁（５）とキャニスタ
−（４）との間に開口（２Ｂ）する通路（２７）を備え
る。尚、前記開口（２５）は燃料供給時における通路（
２４）内置高液面（２８）よりも上位に設ける。FIG. 1 shows a schematic diagram of a fuel tank device according to the present invention,
The same parts and parts as those of the conventional device are given the same reference numerals.A freezer passageway (22) is provided with one end opened (21) at approximately the same height as the highest filled liquid level (7). The freezer passage (22) is connected to the opening (21) and the sealing material (12).
) inside the fuel filler port (2).
), one end is open (25) L above the passageway (24), and the other end is the two-way valve (5) and canister (4) in the ventilation passageway (8). A passageway (27) is provided which opens (2B) between the passageway (2B) during fuel supply.
24) Provided above the internal high liquid level (28).
前記通路（２７）には燃料供給時に開く弁（３１）を設
ける。この弁（３１）は例えば給油口（２）の蓋体（３
２）をあけたときスイッチ（３３）を介して開き、しめ
たときに閉じるソレノイド弁を用いる。The passage (27) is provided with a valve (31) that opens when fuel is supplied. This valve (31) is, for example, a cover body (3) of a fuel filler port (2).
2) Uses a solenoid valve that opens via a switch (33) when opened and closes when closed.
前記通路（２７）におけるソレノイド弁（３１）の上流
側にはリリーフ弁（３４）を設ける。リリーフ弁（３４
）は蓋体（３２）をあけてソレノイド弁（３１）が開か
ないときに作動する。A relief valve (34) is provided upstream of the solenoid valve (31) in the passageway (27). Relief valve (34
) is activated when the solenoid valve (31) does not open when the lid (32) is opened.
尚図面中（４１）はエンジン側、例えばインレットマニ
ホルドに接続する通路で、エンジン作動時、エンジン側
の負圧によりキャニスタ−（４）の開口（４２）から大
気を吸入し、キャニスタ−（４）に貯えられた蒸発燃料
をエンジン側に送給する。In the drawing, (41) is a passage connected to the engine side, for example, the inlet manifold. When the engine is running, atmospheric air is sucked in from the opening (42) of the canister (4) due to negative pressure on the engine side, and the canister (4) is connected to the inlet manifold. The vaporized fuel stored in the fuel tank is delivered to the engine side.
本実施例は前記のように構成するので、給油ガン（１１
）を給油口（２）に挿入し、給油口（２）を密封して燃
料−を供給すると、蓋体（３２）をあけたときに既にソ
レノイド弁（３１）は開いているので、燃料供給に伴い
燃料タンク（１）内及びインレフト管（３）内の空気及
び蒸発燃料は円滑に通路（２４） 、 （２？）ベンチ
レーション通路（８）を通ってキャニスタ−（４）に至
り、蒸発燃料は活性炭（４ａ）に吸収され、清浄な空気
のみが開口（４２）から大気に放出される。Since this embodiment is configured as described above, the refueling gun (11
) into the fuel filler port (2), seal the fuel filler port (2), and supply fuel. When the lid (32) is opened, the solenoid valve (31) is already open, so the fuel supply is stopped. As a result, the air and evaporated fuel in the fuel tank (1) and in-left pipe (3) smoothly pass through the passage (24) and (2?) ventilation passage (8) to reach the canister (4), where they are evaporated. The fuel is absorbed by the activated carbon (4a) and only clean air is released to the atmosphere through the opening (42).
やがて、通路開口（２１）上に燃料液面が至り１通路（
２４）及び給油ガン（１１）先端に燃料液面（２８）が
上昇して給油ガン（１１）のオートストッパを作動させ
、燃料供給を終了し、給油口（２）の蓋体（３２）をし
めることによりソレノイド弁（３１）は閉じる。Eventually, the fuel level reaches above the passage opening (21) and the first passage (
24) and at the tip of the refueling gun (11), the fuel level (28) rises and activates the auto stopper of the refueling gun (11), ending the fuel supply and closing the lid (32) of the refueling port (2). By tightening, the solenoid valve (31) is closed.
尚、本発明に係る燃料タンク装置はベンチレーション通
路（６）、フリーザ通路（８）を備える従来の燃料タン
ク装置に通路（２７）、弁（３１）等を付設するのみで
足りるので、従来装置に極めて容易に適用することがで
きる。It should be noted that the fuel tank device according to the present invention requires only adding a passage (27), a valve (31), etc. to a conventional fuel tank device equipped with a ventilation passage (6) and a freezer passage (8). can be applied very easily.
（発明の効果）
以上の説明で明らかなように本発明によれば、燃料供給
時における蒸発燃料の大気への拡散を防止でき、給油口
側を密封しつつ燃料供給を円滑に行うことができる。(Effects of the Invention) As is clear from the above description, according to the present invention, it is possible to prevent vaporized fuel from diffusing into the atmosphere during fuel supply, and it is possible to smoothly supply fuel while sealing the fuel filler port side. .
第１図は本案装置の概略図、第２図は従来装置の概略図
である。
尚図面中（１）は燃料タンク、（２）は給油口。
（３）はインレット管、（４）はキャニスタ−１（６）
はベンチレーション通路、（２２）はフリーザ通路、（
３１）は弁である。FIG. 1 is a schematic diagram of the present device, and FIG. 2 is a schematic diagram of a conventional device. In the drawing, (1) is the fuel tank, and (2) is the fuel filler port. (3) is inlet pipe, (4) is canister 1 (6)
is the ventilation passage, (22) is the freezer passage, (
31) is a valve.
Claims (1)
を吸着するキャニスターを介して他端が大気に開口する
ベンチレーション通路を備える燃料タンク装置において
、一端が燃料タンク内に開口して燃料の最高充填液面を
規定するフリーザ通路を設け、前記フリーザ通路に燃料
供給時に開く弁を設けると共に前記フリーザ通路の他端
を前記ベンチレーション通路における弁とキャニスター
との間に接続したことを特徴とする燃料タンク装置。 （２）前記フリーザ通路に設ける弁は給油口の蓋体に連
動して開閉する前記特許請求の範囲第１項記載の燃料タ
ンク装置。[Scope of Claims] A fuel tank device comprising a ventilation passage with one end opening into the upper space of the fuel tank and the other end opening into the atmosphere via a valve and a canister that adsorbs evaporated fuel, wherein one end is opened into the fuel tank. A freezer passage is provided which opens to define the maximum filling level of fuel, and the freezer passage is provided with a valve that opens when fuel is supplied, and the other end of the freezer passage is connected between the valve in the ventilation passage and the canister. A fuel tank device characterized by: (2) The fuel tank device according to claim 1, wherein the valve provided in the freezer passage opens and closes in conjunction with the lid of the fuel filler port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25317284A JPS61132764A (en) | 1984-11-30 | 1984-11-30 | Fuel tank device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25317284A JPS61132764A (en) | 1984-11-30 | 1984-11-30 | Fuel tank device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61132764A true JPS61132764A (en) | 1986-06-20 |
| JPH023029B2 JPH023029B2 (en) | 1990-01-22 |
Family
ID=17247532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25317284A Granted JPS61132764A (en) | 1984-11-30 | 1984-11-30 | Fuel tank device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61132764A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2731185A1 (en) * | 1995-03-02 | 1996-09-06 | Journee Paul Sa | Filler duct for motor vehicle fuel tank |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6124318U (en) * | 1984-07-19 | 1986-02-13 | トヨタ自動車株式会社 | Automotive fuel tank assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54140345A (en) * | 1978-04-24 | 1979-10-31 | Fukushima Ltd | Fixed location holding device of oil pressure system winch for shipping |
-
1984
- 1984-11-30 JP JP25317284A patent/JPS61132764A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6124318U (en) * | 1984-07-19 | 1986-02-13 | トヨタ自動車株式会社 | Automotive fuel tank assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2731185A1 (en) * | 1995-03-02 | 1996-09-06 | Journee Paul Sa | Filler duct for motor vehicle fuel tank |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH023029B2 (en) | 1990-01-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |