JP5006932B2 - Fuel tank for automobile - Google Patents

Fuel tank for automobile Download PDF

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Publication number
JP5006932B2
JP5006932B2 JP2009523274A JP2009523274A JP5006932B2 JP 5006932 B2 JP5006932 B2 JP 5006932B2 JP 2009523274 A JP2009523274 A JP 2009523274A JP 2009523274 A JP2009523274 A JP 2009523274A JP 5006932 B2 JP5006932 B2 JP 5006932B2
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Prior art keywords
venting device
fuel tank
air
tank
air venting
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JP2010500210A (en
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フューリング シュテファン
ルコシェク ヤン
マイヤー クヌート
ライター フランク
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Continental Automotive GmbH
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Continental Automotive GmbH
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    • 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
    • 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
    • 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
    • B60K2015/03509—Fuel tanks characterised by venting means adapted to avoid loss of fuel or fuel vapour, e.g. with vapour recovery systems with a droplet separator in the vent line
    • 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
    • B60K2015/03561—Venting means working at specific times
    • B60K2015/03571—Venting during driving
    • 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
    • B60K2015/03561—Venting means working at specific times
    • B60K2015/03576—Venting during filling the 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
    • B60K2015/0358—Fuel tanks characterised by venting means the venting is actuated by specific signals or positions of particular parts
    • B60K2015/03585—Fuel tanks characterised by venting means the venting is actuated by specific signals or positions of particular parts by gas pressure

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  • 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

本発明は、自動車用の燃料タンクであって、タンク充填時空気抜き装置と運転時空気抜き装置とを有する空気抜き装置が設けられており、タンク充填時空気抜き装置の空気抜き管路と、燃料タンクの所定領域にまで延びる、運転時空気抜き装置の空気抜き管路とが設けられており、タンク充填時空気抜き装置と運転時空気抜き装置とが、管路を介して活性炭フィルタに接続されている形式のものに関する。   The present invention is a fuel tank for an automobile, and is provided with an air venting device having an air venting device during tank filling and an air venting device during operation, an air vent line of the air venting device during tank filling, and a predetermined region of the fuel tank And an air vent line of the operating air venting device, which extends to the above, and a tank-filling air venting device and an operating air venting device connected to the activated carbon filter via the conduit.

このような燃料タンクは、今日の自動車においてしばしば使用されていて、実際に知られている。運転時空気抜き装置は、自動車の運転時に蒸発燃料ガスを逃がすことができ、燃料の消費時に空気を補充することができる。タンク充填時空気抜き装置は、充填される燃料によって押し退けられる空気を、活性炭フィルタを通して燃料タンク外に導くことができる。活性炭フィルタは、圧力バランスを可能にするために、外部環境との接続部を有している。公知の燃料タンクでは運転時空気抜き装置及びタンク充填時空気抜き装置を燃料タンクに組み付けることが面倒である。   Such fuel tanks are often used in today's automobiles and are actually known. The driving air venting device can escape the evaporated fuel gas when driving the automobile and can replenish the air when the fuel is consumed. When the tank is filled, the air venting device can guide the air pushed away by the fuel to be filled out of the fuel tank through the activated carbon filter. The activated carbon filter has a connection with an external environment in order to enable pressure balance. In known fuel tanks, it is troublesome to assemble the air venting device during operation and the air venting device during tank filling into the fuel tank.

ゆえに本発明の課題は、冒頭に述べた形式の燃料タンクを改良して、空気抜き装置を備えた燃料タンクを特に簡単に組み立てること及び製造することができるようにすることである。   The object of the present invention is therefore to improve a fuel tank of the type mentioned at the outset so that a fuel tank with an air venting device can be assembled and manufactured particularly simply.

この課題を解決するために本発明の構成では、タンク充填時空気抜き装置と運転時空気抜き装置とが１つの共通の容器を有しており、該容器がタンク充填時空気抜き装置と運転時空気抜き装置とのためにそれぞれ１つの室を有している。   In order to solve this problem, in the configuration of the present invention, the tank filling air venting device and the operation air venting device have one common container, and the container is filled with the tank filling air venting device and the operation air venting device. Each has one chamber.

本発明のように構成されていると、運転時空気抜き装置及びタンク充填時空気抜き装置の主要な構成部材を予め組み立てて、１つの構成ユニットを形成することができ、そしてこの構成ユニットを燃料タンクに挿入することができる。複数の室を有する共通の容器は、さらに特に簡単に製造することができる。２つの室への容器の分離は、蒸発燃料ガスを活性炭フィルタを介して確実に案内することを可能にする。両方の室は有利には完全に分離されている。   When configured as in the present invention, the main components of the air venting device during operation and the air venting device during tank filling can be assembled in advance to form one component unit, and this component unit can be attached to the fuel tank. Can be inserted. A common container having a plurality of chambers can be produced more particularly easily. The separation of the container into two chambers makes it possible to reliably guide the evaporated fuel gas through the activated carbon filter. Both chambers are preferably completely separated.

空気抜き装置のための構造上の手間を特に小さくするためには、タンク充填時空気抜き装置と運転時空気抜き装置とがそれぞれ１つの弁を有しており、該弁が、活性炭フィルタに通じる管路に接続されていると、有利である。これらの弁はこれによって、液体の燃料が活性炭フィルタにまで侵入して該活性炭フィルタを損傷することを阻止する。   In order to reduce the structural effort for the air venting device in particular, the air venting device at the time of filling the tank and the air venting device at the time of operation each have one valve, which is connected to the pipe line leading to the activated carbon filter. It is advantageous if connected. These valves thereby prevent liquid fuel from penetrating into the activated carbon filter and damaging the activated carbon filter.

本発明の別の有利な構成におけるように、弁のうちの少なくとも１つが、フロート弁として形成されていると、タンク充填時空気抜き装置の制御が構造上、特に簡単になる。   If at least one of the valves is designed as a float valve, as in another advantageous configuration of the invention, the control of the venting device during tank filling is particularly simple in structure.

運転時空気抜き装置の制御を構造上特に簡単にするために、本発明の有利な構成では、運転時空気抜き装置の弁が、活性炭フィルタに通じる管路を燃料タンク内における圧力が所定圧を下回った場合に閉鎖する圧力保持弁として形成されている。   In order to make the control of the operating air venting device particularly simple in structure, in an advantageous configuration of the invention, the valve of the operating air venting device has a pressure in the fuel tank below the predetermined pressure in the conduit leading to the activated carbon filter. It is formed as a pressure holding valve that closes in case.

空気抜き装置の室を特に簡単に空にするのに有利な構成では、タンク充填時空気抜き装置と運転時空気抜き装置とがそれぞれ１つの吸込みジェットポンプを有しており、該吸込みジェットポンプの吸込み開口が、タンク充填時空気抜き装置及び運転時空気抜き装置の各１つの室と接続されている。   In a particularly advantageous configuration for emptying the chamber of the air bleed device in particular, the air bleed device during tank filling and the air bleed device during operation each have one suction jet pump, and the suction opening of the suction jet pump is The tank is connected to each chamber of the air bleeder during filling and the air bleeder during operation.

吸込みジェットポンプが、燃料タンクの内部に配置された燃料ポンプから燃料を供給されるようになっていると、有利である。このように構成されていると、空気抜き装置の室を自動車の運転時に常に空にすることができる。従って、フロート弁として形成された弁は、活性炭フィルタに通じる管路を、自動車の横転時にも閉鎖することができる。ゆえに空気抜き装置の弁は、いわゆるロールオーバ弁としても働く。   It is advantageous if the suction jet pump is supplied with fuel from a fuel pump arranged inside the fuel tank. If comprised in this way, the room | chamber of an air vent apparatus can always be emptied at the time of a driving | operation of a motor vehicle. Therefore, the valve formed as a float valve can close the pipe line leading to the activated carbon filter even when the automobile rolls over. Therefore, the valve of the air venting device also functions as a so-called rollover valve.

また、容器が燃料タンクの内部に配置されていると、燃料タンクから逃げる蒸発燃料ガスの量を極めて小さく保つことができる。さらに、このような構成によって、燃料タンクのシール箇所の数を特に少なくすることができる。   Further, when the container is disposed inside the fuel tank, the amount of the evaporated fuel gas that escapes from the fuel tank can be kept extremely small. Further, with such a configuration, the number of seal portions of the fuel tank can be particularly reduced.

本発明のさらに別の構成では、タンク充填時空気抜き装置の空気抜き管路が、燃料タンクの所定の遮断ポイントにまで延びており、容器が該遮断ポイントの下に配置されている。このように構成されていると、燃料タンクに供給可能な燃料量を特に正確に制限することができる。これによって、燃料が遮断ポイントに達した場合に、燃料タンクの空気抜き装置は閉鎖される。そして燃料タンクから空気が逃げることはもはや不可能であり、ひいては燃料の補充も不可能になる。本発明の構成により遮断ポイントは、タンク充填時空気抜き装置の空気抜き管路の自由端部によって決定される。   In yet another configuration of the present invention, the air vent line of the tank filling air venting device extends to a predetermined shutoff point of the fuel tank, and the container is disposed below the shutoff point. If comprised in this way, the fuel quantity which can be supplied to a fuel tank can be restrict | limited especially correctly. This closes the fuel tank air vent when the fuel reaches the shut-off point. And it is no longer possible for air to escape from the fuel tank, which in turn makes it impossible to refuel. According to the configuration of the present invention, the shut-off point is determined by the free end of the air vent line of the air venting device when filling the tank.

本発明は、種々様々な実施形態が可能である。以下においては、本発明の基本原理を明らかにするために、図面を参照しながら本発明の１実施例を説明する。   The invention is capable of a wide variety of embodiments. In the following, in order to clarify the basic principle of the present invention, an embodiment of the present invention will be described with reference to the drawings.

空気抜き装置を備えた本発明による燃料タンクを示す断面図である。It is sectional drawing which shows the fuel tank by this invention provided with the air venting device. 図１に示された空気抜き装置の容器を断面して示す図である。It is a figure which cuts and shows the container of the air venting apparatus shown by FIG.

図１に示された自動車用の燃料タンク１は、充填管片２と、この充填管片２内に配置された燃料フィードユニット３とを備えている。燃料タンク１内にはさらに、１つの容器５と複数の空気抜き管路６，７，７′とを備えた空気抜き装置４が配置されている。空気抜き管路６，７，７′のうちの１つの空気抜き管路６は、燃料タンク１の充填管片２に向かって、遮断ポイント(Abschaltpunkt)にまで延びている。他の空気抜き管路７，７′は燃料タンク１の角隅領域内に延びている。空気抜き装置４は管路８を介して活性炭フィルタ９と接続されている。活性炭フィルタ９は図示の実施例では燃料タンク１の外に示されていて、外部環境と接続されている。もちろん活性炭フィルタ９は空気抜き装置４の容器５と一緒に、燃料タンク１の内部に配置された１つの構成ユニット（図示せず）を形成していてもよい。空気抜き装置４の上に配置されたフランジ１０は、燃料タンク１における組付け開口１１を閉鎖している。燃料フィードユニット３は燃料を燃料タンク１から吸い込んで、吸い込んだ燃料を供給管路１２を介して、自動車の内燃機関（図示せず）に圧送する。さらに燃料フィードユニット３は、燃料を分岐路１３を介して空気抜き装置４に圧送する。   The fuel tank 1 for an automobile shown in FIG. 1 includes a filling pipe piece 2 and a fuel feed unit 3 disposed in the filling pipe piece 2. In the fuel tank 1 is further disposed an air vent device 4 having one container 5 and a plurality of air vent pipes 6, 7, 7 ′. One air vent line 6 of the air vent lines 6, 7, 7 ′ extends toward the filling pipe piece 2 of the fuel tank 1 to an interruption point (Abschaltpunkt). The other air vent lines 7, 7 ′ extend into the corner area of the fuel tank 1. The air vent device 4 is connected to the activated carbon filter 9 via a pipe line 8. The activated carbon filter 9 is shown outside the fuel tank 1 in the illustrated embodiment and is connected to the external environment. Of course, the activated carbon filter 9 may form one constituent unit (not shown) arranged inside the fuel tank 1 together with the container 5 of the air vent device 4. A flange 10 disposed on the air vent 4 closes the assembly opening 11 in the fuel tank 1. The fuel feed unit 3 sucks fuel from the fuel tank 1 and pumps the sucked fuel to the internal combustion engine (not shown) of the automobile via the supply line 12. Further, the fuel feed unit 3 pressure-feeds the fuel to the air vent device 4 via the branch path 13.

図２には、図１に示された空気抜き装置４の容器５が断面図で示されている。容器５は２つの室１４，１５を有している。一方の室１４はタンク充填時空気抜き装置１６のために設けられており、これに対して他方の室１５は、燃料タンク１の運転時空気抜き装置１７のために設けられている。タンク充填時空気抜き装置１６は、遮断ポイントにまで延びる空気抜き管路６を有している。運転時空気抜き装置１７は、燃料タンク１の角隅領域に延びる空気抜き管路７，７′を有している。室１４，１５はそれぞれ、活性炭フィルタ９に通じる管路８と接続されている。活性炭フィルタ９に通じる管路８の前にはそれぞれ弁１８，１９が配置されている。運転時空気抜き装置１７の弁１９は圧力保持弁として形成されていて、所定の圧力以上において初めて蒸発燃料ガスの流出を可能にする。吸込みジェットポンプ２２，２３の吸込み開口２０，２１は、室１４，１５の下側領域に配置されている。吸込みジェットポンプ２２，２３はそれぞれ燃料管路２４，２５を介して燃料を供給され、室１４，１５から燃料を吸い込んで、集合管路２６，２７を介して燃料タンク１内に戻すことを可能にする。燃料管路２４，２５は、図１に示された供給管路１２の分岐路１３に接続されている。   FIG. 2 shows a cross-sectional view of the container 5 of the air vent device 4 shown in FIG. The container 5 has two chambers 14 and 15. One chamber 14 is provided for the air venting device 16 when filling the tank, while the other chamber 15 is provided for the air venting device 17 when operating the fuel tank 1. The tank venting air venting device 16 has an air vent line 6 extending to the shut-off point. The operating air venting device 17 has air vent lines 7 and 7 ′ that extend to the corner area of the fuel tank 1. The chambers 14 and 15 are each connected to a pipe line 8 leading to the activated carbon filter 9. Valves 18 and 19 are respectively arranged in front of the pipe line 8 leading to the activated carbon filter 9. The valve 19 of the air venting device 17 during operation is formed as a pressure holding valve, and allows the evaporated fuel gas to flow out only at a predetermined pressure or higher. The suction openings 20, 21 of the suction jet pumps 22, 23 are arranged in the lower region of the chambers 14, 15. The suction jet pumps 22 and 23 are supplied with fuel via fuel lines 24 and 25, respectively, and can suck the fuel from the chambers 14 and 15 and return it to the fuel tank 1 via the collecting lines 26 and 27. To. The fuel lines 24 and 25 are connected to the branch line 13 of the supply line 12 shown in FIG.

燃料タンク１に燃料が供給されると、燃料の充てんレベルが上昇する。タンク充填時に燃料タンク１から押し退けられるガスは、タンク充填時空気抜き装置１６の空気抜き管路６を介して、活性炭フィルタ９に浄化のために供給される。運転時空気抜き装置１７の室１５は、圧力保持弁として形成された弁１９に基づいて貫流されない。燃料の充てんレベルが遮断ポイントに達すると、液体の燃料はタンク充填時空気抜き装置１６の空気抜き管路６を通って、タンク充填時空気抜き装置１６の室１４に流入する。これによって、フロート弁として形成された弁１８が、ひいては活性炭フィルタ９に通じる管路８が閉鎖される。これにより、さらなる蒸発燃料ガスが燃料タンク１から逃げることはできなくなる。そして燃料タンク１のさらなる充填は不可能になる。   When fuel is supplied to the fuel tank 1, the fuel filling level increases. The gas pushed away from the fuel tank 1 when filling the tank is supplied to the activated carbon filter 9 for purification via the air vent line 6 of the air venting device 16 when filling the tank. The chamber 15 of the venting device 17 during operation is not flowed through on the basis of a valve 19 formed as a pressure holding valve. When the fuel filling level reaches the shut-off point, the liquid fuel flows through the air vent line 6 of the air venting device 16 when filling the tank and into the chamber 14 of the air venting device 16 when filling the tank. As a result, the valve 18 formed as a float valve and thus the conduit 8 leading to the activated carbon filter 9 is closed. As a result, further evaporated fuel gas cannot escape from the fuel tank 1. And further filling of the fuel tank 1 becomes impossible.

充填管片２の閉鎖時において燃料タンク１内に圧力が形成されると、運転時空気抜き装置１７の圧力保持弁として形成された弁１９が開放され、余剰のガスは、活性炭フィルタ９を通って逃げることができる。自動車の運転時に、室１４，１５は吸込みジェットポンプ２２，２３によって空になる。   When pressure is formed in the fuel tank 1 when the filling tube piece 2 is closed, the valve 19 formed as a pressure holding valve of the air venting device 17 during operation is opened, and excess gas passes through the activated carbon filter 9. I can escape. When the car is in operation, the chambers 14 and 15 are emptied by the suction jet pumps 22 and 23.

Claims (6)

自動車用の燃料タンクであって、タンク充填時空気抜き装置と運転時空気抜き装置とを有する空気抜き装置が設けられており、タンク充填時空気抜き装置の空気抜き管路と、燃料タンクの所定領域にまで延びる、運転時空気抜き装置の空気抜き管路とが設けられており、タンク充填時空気抜き装置と運転時空気抜き装置とが、管路を介して活性炭フィルタに接続されている形式のものにおいて、タンク充填時空気抜き装置（１６）と運転時空気抜き装置（１７）とが１つの共通の容器（５）を有しており、該容器（５）がタンク充填時空気抜き装置（１６）と運転時空気抜き装置（１７）とのためにそれぞれ１つの室（１４，１５）を有しており、タンク充填時空気抜き装置（１６）と運転時空気抜き装置（１７）とがそれぞれ１つの吸込みジェットポンプ（２２，２３）を有しており、該吸込みジェットポンプ（２２，２３）の吸込み開口（２０，２１）が、タンク充填時空気抜き装置（１６）及び運転時空気抜き装置（１７）の各１つの室（１４，１５）と接続されていることを特徴とする、自動車用の燃料タンク。A fuel tank for an automobile, provided with an air venting device having an air venting device at the time of tank filling and an air venting device at the time of operation, and extending to an air vent line of the air venting device at the time of tank filling and a predetermined region of the fuel tank. An air vent pipe for the air venting device for operation is provided, and the air vent device for tank filling is of the type in which the air vent device for tank filling and the air vent device for operation are connected to the activated carbon filter via the pipe line. (16) and the operating air venting device (17) have one common container (5), and the container (5) includes a tank filling air venting device (16) and an operating air venting device (17). each has one chamber of (14, 15), and the operating time of the air vent device (17) when filling the tank venting device (16) and each one suction for And the suction opening (20, 21) of each of the suction jet pumps (22, 23) is connected to each of the air venting device (16) for tank filling and the air venting device (17) for operation. A fuel tank for automobiles, characterized in that it is connected to two chambers (14, 15) . タンク充填時空気抜き装置（１６）と運転時空気抜き装置（１７）とがそれぞれ１つの弁（１８，１９）を有しており、該弁（１８，１９）が、活性炭フィルタ（９）に通じる管路（８）に接続されている、請求項１記載の燃料タンク。  The tank venting air venting device (16) and the operating air venting device (17) each have one valve (18, 19), and the valve (18, 19) is a pipe leading to the activated carbon filter (9). 2. A fuel tank according to claim 1, connected to the passage (8). 弁のうちの少なくとも１つ（１８）が、フロート弁として形成されている、請求項１又は２記載の燃料タンク。  The fuel tank according to claim 1 or 2, wherein at least one of the valves (18) is formed as a float valve. 運転時空気抜き装置（１７）の弁（１９）が、活性炭フィルタ（９）に通じる管路（８）を燃料タンク（１）内における圧力が所定圧を下回った場合に閉鎖する圧力保持弁として形成されている、請求項１から３までのいずれか１項記載の燃料タンク。  The valve (19) of the air venting device (17) during operation is formed as a pressure holding valve that closes the conduit (8) leading to the activated carbon filter (9) when the pressure in the fuel tank (1) falls below a predetermined pressure. The fuel tank according to any one of claims 1 to 3, wherein the fuel tank is provided. 容器（５）が燃料タンク（１）の内部に配置されている、請求項１から４までのいずれか１項記載の燃料タンク。The fuel tank according to any one of claims 1 to 4 , wherein the container (5) is arranged inside the fuel tank (1). タンク充填時空気抜き装置（１６）の空気抜き管路（６）の自由端部によって、燃料タンク（１）の所定の遮断ポイントが決定され、容器（５）が該遮断ポイントの下に配置されている、請求項１から５までのいずれか１項記載の燃料タンク。A predetermined shut-off point of the fuel tank (1) is determined by the free end of the air vent line (6) of the air venting device (16) when filling the tank, and the container (5) is arranged below the shut-off point. The fuel tank according to any one of claims 1 to 5 .
JP2009523274A 2006-08-08 2007-08-07 Fuel tank for automobile Expired - Fee Related JP5006932B2 (en)

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DE102006037062A DE102006037062A1 (en) 2006-08-08 2006-08-08 Fuel tank for a motor vehicle
PCT/EP2007/058157 WO2008017665A1 (en) 2006-08-08 2007-08-07 Fuel tank for an automobile

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