JPH11240345A - Vehicular synthetic resin fuel tank - Google Patents
Vehicular synthetic resin fuel tankInfo
- Publication number
- JPH11240345A JPH11240345A JP10045200A JP4520098A JPH11240345A JP H11240345 A JPH11240345 A JP H11240345A JP 10045200 A JP10045200 A JP 10045200A JP 4520098 A JP4520098 A JP 4520098A JP H11240345 A JPH11240345 A JP H11240345A
- Authority
- JP
- Japan
- Prior art keywords
- tank
- fuel
- sub
- synthetic resin
- main tank
- 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.)
- Pending
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
- B60K15/077—Fuel tanks with means modifying or controlling distribution or motion of fuel, e.g. to prevent noise, surge, splash or fuel starvation
-
- 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
- B60K2015/03243—Fuel tanks characterised by special pumps, the mounting thereof
-
- 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
- B60K2015/03328—Arrangements or special measures related to fuel tanks or fuel handling
- B60K2015/0344—Arrangements or special measures related to fuel tanks or fuel handling comprising baffles
-
- 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
- B60K15/077—Fuel tanks with means modifying or controlling distribution or motion of fuel, e.g. to prevent noise, surge, splash or fuel starvation
- B60K2015/0775—Fuel tanks with means modifying or controlling distribution or motion of fuel, e.g. to prevent noise, surge, splash or fuel starvation for reducing movement or slash noise of fuel
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)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、車両用合成樹脂製
燃料タンクに関し、特にタンク内の液体燃料に揺動抵抗
を与える手段を備えた車両用合成樹脂製燃料タンクに関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fuel tank made of synthetic resin for a vehicle, and more particularly to a fuel tank made of synthetic resin for a vehicle provided with means for imparting rocking resistance to liquid fuel in the tank.
【０００２】[0002]
【従来の技術】自動車の燃料タンクにあっては、急旋
回、急発進、並びに急停止の際にタンク内の液体燃料が
大きく揺動し、液体燃料がタンク壁を叩く所謂揺動音を
生じるが、特に燃料ポンプの吸引液面を確保するための
サブタンクを内蔵した燃料タンクの場合は、円筒形のサ
ブタンクの周壁に沿って流れる液体燃料がサブタンクの
背後に回り込み、燃料タンクにおけるサブタンク後方の
壁に集中的に衝突して大きな打音を生じることがある
（図５参照）。この音は車両の品質感を著しく低下させ
るので、できる限り発生しないようにすることが望まし
い。2. Description of the Related Art In a fuel tank of an automobile, the liquid fuel in the tank fluctuates greatly at the time of sudden turning, sudden start, and sudden stop, so that a so-called rocking sound is generated when the liquid fuel hits the tank wall. However, in particular, in the case of a fuel tank having a built-in sub-tank for securing the suction liquid level of the fuel pump, liquid fuel flowing along the peripheral wall of the cylindrical sub-tank wraps around the sub-tank, and a wall behind the sub-tank in the fuel tank. Colliding intensively, and a loud tapping sound may occur (see FIG. 5). Since this noise significantly degrades the quality of the vehicle, it is desirable to minimize the noise.
【０００３】このような観点に立脚し、バッフルで内部
を仕切るようにした合成樹脂製の燃料タンクが、例えば
特公平７−１７１６０号公報に開示されている。[0003] A fuel tank made of a synthetic resin based on such a viewpoint and partitioning the inside with a baffle is disclosed in, for example, Japanese Patent Publication No. 7-17160.
【０００４】[0004]
【発明が解決しようとする課題】さて、合成樹脂材によ
る中空タンクの成型にはブロー成型が最も適している
が、ブロー成型でタンク内面にバッフルを一体形成しよ
うとすると、金型の複雑化や製造工程の煩雑化を招き、
製造コストに好ましくない影響を及ぼす。Blow molding is most suitable for molding a hollow tank made of a synthetic resin material. However, if a baffle is integrally formed on the inner surface of the tank by blow molding, the complexity of the mold is increased. This leads to complicated manufacturing processes,
Undesirable effects on manufacturing costs.
【０００５】本発明は、このような従来技術の問題点を
解消するべく案出されたものであり、その主な目的は、
サブタンクを内蔵した車両用合成樹脂製燃料タンクに用
いる揺動阻止手段を、容易に製造可能なように構成する
ことにある。[0005] The present invention has been devised to solve such problems of the prior art, and its main objects are as follows.
An object of the present invention is to configure a swing preventing means used for a fuel tank made of a synthetic resin for a vehicle having a built-in sub tank so that it can be easily manufactured.
【０００６】[0006]
【課題を解決するための手段】このような目的を果たす
ために、本発明においては、メインタンクＴと、該メイ
ンタンク内にて燃料ポンプを受容するサブタンク３とを
有する車両用合成樹脂製燃料タンクにおいて、サブタン
クの外周面に、メインタンク内の液体燃料に揺動抵抗を
与えるための邪魔板１７を設けるものとした。これによ
れば、メインタンク自体の製造工程は煩雑化せずに済
み、小部品のサブタンクに例えば射出成型で邪魔板を一
体形成するものとすれば、製造コストの大幅な増大を招
かずに済む。特に邪魔板を、サブタンクの外周面に沿う
形状に強制的に撓曲可能であり、かつ外力が消失すると
展開形状に復元するものとすれば、メインタンクの開口
７を大きくせずに面積の広い邪魔板を設けることができ
る。According to the present invention, there is provided a synthetic resin fuel for a vehicle having a main tank and a sub-tank for receiving a fuel pump in the main tank. In the tank, a baffle plate 17 for providing rocking resistance to the liquid fuel in the main tank is provided on the outer peripheral surface of the sub tank. According to this, the manufacturing process of the main tank itself is not complicated, and if the baffle plate is integrally formed in the sub-tank of the small component by, for example, injection molding, the manufacturing cost does not increase significantly. . In particular, if the baffle plate can be forcibly bent to a shape along the outer peripheral surface of the sub-tank and is restored to the developed shape when the external force is lost, the area of the main tank is large without increasing the opening 7. A baffle can be provided.
【０００７】[0007]
【発明の実施の形態】以下に添付の図面を参照して本発
明について詳細に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the accompanying drawings.
【０００８】図１は、本発明が適用された燃料タンクＴ
の全体を示している。この燃料タンクＴは、実質的な燃
料貯容槽としての機能を担うメインタンク１と、車両の
運動による液面変動を遮断して燃料ポンプ２の吸入口が
常に液面下に没するようにメインタンク１内に設けられ
たサブタンク３とからなっている。そしてメインタンク
１には、車体の適所に開口する給油管との接続口４が設
けられている。FIG. 1 shows a fuel tank T to which the present invention is applied.
The whole is shown. The fuel tank T has a main tank 1 which functions as a substantial fuel storage tank, and a main tank 1 which shuts off the liquid level fluctuation due to the movement of the vehicle so that the suction port of the fuel pump 2 always sinks below the liquid level. And a sub-tank 3 provided in the tank 1. The main tank 1 is provided with a connection port 4 to an oil supply pipe which is opened at an appropriate position on the vehicle body.
【０００９】サブタンク３は、例えば射出成型で形成さ
れており、基本的に有底円筒状をなす容器体５と、この
容器体５の開口に液密に嵌着される蓋板６とからなり、
ブロー成型で継ぎ目なく形成されたメインタンク１の上
壁に設けられた開口７からメインタンク１内に挿入され
る。そして蓋板６は、メインタンク１の開口７の周縁部
にガスケット８を介して液密に接合される。The sub-tank 3 is formed, for example, by injection molding, and comprises a container body 5 having a basically cylindrical shape with a bottom, and a lid plate 6 fitted in an opening of the container body 5 in a liquid-tight manner. ,
The main tank 1 is inserted into the main tank 1 through an opening 7 formed in the upper wall of the main tank 1 which is formed seamlessly by blow molding. Then, the cover plate 6 is liquid-tightly joined to a peripheral portion of the opening 7 of the main tank 1 via a gasket 8.
【００１０】容器体５の内部には、燃料ポンプ２が収容
されている。そして蓋板６には、燃料ポンプ２の吐出口
に接続される吐出通路９と、エンジンからの余剰燃料が
環流する戻し通路１０とが一体的に固設されている。The fuel pump 2 is accommodated in the container 5. A discharge passage 9 connected to the discharge port of the fuel pump 2 and a return passage 10 through which excess fuel from the engine flows back are integrally fixed to the cover plate 6.
【００１１】さて、通常はサブタンク３、つまり容器体
５内の燃料をフィルタ１１を介して燃料ポンプ２が吸入
し、吐出通路９を介して図示されないエンジンへ送給す
る。ここで燃料ポンプ２の能力は、全負荷運転に十分な
吐出量を常時発生し得るように設定されており、低負荷
運転時、或いは部分負荷運転時に余剰となった燃料は、
戻し通路１０を経てサブタンク３へと環流する。また容
器体５の周壁の適所には、メインタンク１内の燃料を流
入させる逆止弁付きの流入口（図示せず）が設けられて
おり、容器体５内に流入した燃料が逆止弁の作用で流出
しないようになっている。従って、サブタンク３の液面
位ＦＬがメインタンク１の液面位より常に高くなり、旋
回時などに燃料が移動しても、燃料ポンプ２吸入口のフ
ィルタ１１が液面上に露出せずに済む。Normally, the fuel in the sub-tank 3, that is, the fuel in the container body 5 is sucked by the fuel pump 2 through the filter 11 and supplied to the engine (not shown) through the discharge passage 9. Here, the capacity of the fuel pump 2 is set so as to always generate a sufficient discharge amount for full-load operation, and excess fuel during low-load operation or partial-load operation is
It returns to the sub tank 3 through the return passage 10. An inlet (not shown) with a check valve through which fuel in the main tank 1 flows is provided at an appropriate position on the peripheral wall of the container body 5, and the fuel flowing into the container body 5 is provided with a check valve. Is prevented from flowing out. Therefore, the liquid level FL of the sub tank 3 is always higher than the liquid level of the main tank 1, and even if the fuel moves at the time of turning or the like, the filter 11 of the fuel pump 2 suction port is not exposed on the liquid level. I'm done.
【００１２】容器体５の周壁外面には、図２に示すよう
に、容器体５の中心軸が接する平面に沿って、適宜な幅
寸法の鰭状の邪魔板１２が、容器体５と一体成型で設け
られている。この邪魔板１２は、メインタンク１内の燃
料に対して揺動抵抗を与えるためのものであり、例えば
制動時には慣性力でメインタンク１の前壁内面に燃料が
衝突するが、図３に示すように、この時の燃料の流れを
邪魔板１２が拡散させ、そのエネルギを減衰させる。従
って、図５に示した従来のもののようなタンクの壁面に
対する液体燃料の衝突を防げるので、所謂揺動音の低減
が可能となる。As shown in FIG. 2, a fin-shaped baffle plate 12 having an appropriate width is formed on the outer surface of the peripheral wall of the container body 5 along a plane in contact with the central axis of the container body 5. It is provided by molding. This baffle plate 12 is for giving a swing resistance to the fuel in the main tank 1. For example, the fuel collides against the inner surface of the front wall of the main tank 1 by inertia force during braking, as shown in FIG. As described above, the baffle plate 12 diffuses the fuel flow at this time and attenuates the energy. Therefore, the collision of the liquid fuel against the wall surface of the tank like the conventional one shown in FIG. 5 can be prevented, so that the so-called rocking noise can be reduced.
【００１３】図２に示したものは、邪魔板１２の幅寸法
を一定にしているが、この幅寸法は、設ける位置と共に
メインタンク１の容量に応じて適宜に定めれば良く、メ
インタンク１内の液面位変化に応じて常に適度な減衰力
を発揮し得るように、例えば高さ位置に応じて幅寸法を
連続的に、あるいは段階的に変化させたものであっても
良い。In the embodiment shown in FIG. 2, the width of the baffle plate 12 is fixed. The width may be determined appropriately according to the position of the baffle plate 12 and the capacity of the main tank 1. For example, the width may be changed continuously or stepwise according to the height position so that an appropriate damping force can always be exerted according to the liquid level change in the inside.
【００１４】邪魔板１２の幅寸法は、メインタンク１の
開口寸法に影響を及ぼすが、例えば二色成型で邪魔板部
分を特に可撓性に富む材料で形成することによって容器
体５の外周面に沿う形に強制的に撓曲可能にし、かつ外
力が消失すると元の展開形状に復元するものとしておけ
ば、図４に示すように、メインタンク１の開口７の直径
寸法をさほど大きくせずに面積の広い邪魔板１２を設け
ることができる。The width of the baffle plate 12 affects the size of the opening of the main tank 1. For example, by forming the baffle portion with a particularly flexible material by two-color molding, the outer peripheral surface of the container body 5 is formed. As shown in FIG. 4, the diameter of the opening 7 of the main tank 1 is not increased so much as to be able to forcibly bend into a shape along the shape of FIG. Can be provided with a large baffle plate 12.
【００１５】なお、上記実施例では容器体５の直径線上
に邪魔板１２を一対設けるものとしたが、これに限ら
ず、容器体５の中心に対して放射状に適宜な数の邪魔板
１２を設けるようにしても良い。In the above embodiment, a pair of baffle plates 12 are provided on the diameter line of the container 5. However, the present invention is not limited to this, and an appropriate number of baffle plates 12 may be provided radially with respect to the center of the container 5. It may be provided.
【００１６】[0016]
【発明の効果】このように本発明によれば、燃料タンク
内の液体燃料に流動抵抗を与えてそのエネルギを減衰さ
せるための邪魔板をメインタンクの製造工程とは無関係
に形成し得るので、液体燃料に対する揺動抵抗付与手段
を備えた合成樹脂製燃料タンクの製造コスト増大を抑制
する上に多大な効果を奏することができる。As described above, according to the present invention, a baffle plate for imparting flow resistance to liquid fuel in a fuel tank to attenuate its energy can be formed irrespective of the manufacturing process of the main tank. A great effect can be achieved in suppressing an increase in the manufacturing cost of the synthetic resin fuel tank provided with the swing resistance imparting means for the liquid fuel.
【図１】本発明が適用された燃料タンクの全体的な構成
図FIG. 1 is an overall configuration diagram of a fuel tank to which the present invention is applied.
【図２】本発明によるサブタンクの概略斜視図FIG. 2 is a schematic perspective view of a sub tank according to the present invention.
【図３】本発明の作用の説明図FIG. 3 is a diagram illustrating the operation of the present invention.
【図４】本発明の別の実施例の平面図FIG. 4 is a plan view of another embodiment of the present invention.
【図５】従来のものの不都合を示す説明図FIG. 5 is an explanatory view showing the inconvenience of a conventional device.
１ メインタンク ２ 燃料ポンプ ３ サブタンク ４ 給油管 ５ 容器体 ６ 蓋板 ７ 開口 ８ ガスケット ９ 吐出通路 １０ 戻し通路 １１ フィルタ １２ 邪魔板 DESCRIPTION OF SYMBOLS 1 Main tank 2 Fuel pump 3 Sub tank 4 Oil supply pipe 5 Container body 6 Cover plate 7 Opening 8 Gasket 9 Discharge passage 10 Return passage 11 Filter 12 Baffle plate
Claims (2)
燃料ポンプを受容するサブタンクとを有する車両用合成
樹脂製燃料タンクであって、 前記サブタンクの外周面に、前記メインタンク内の液体
燃料に揺動抵抗を与えるための邪魔板を設けたことを特
徴とする車両用合成樹脂製燃料タンク。1. A fuel tank made of a synthetic resin for a vehicle having a main tank and a sub-tank for receiving a fuel pump in the main tank, wherein an outer peripheral surface of the sub-tank is provided with a liquid fuel in the main tank. A fuel tank made of synthetic resin for a vehicle, comprising a baffle plate for providing swing resistance.
に沿う形状に強制的に撓曲可能であり、かつ外力が消失
すると展開形状に復元するものであることを特徴とする
請求項１に記載の車両用合成樹脂製燃料タンク。2. The baffle plate according to claim 1, wherein the baffle plate can be forcibly bent into a shape along the outer peripheral surface of the sub-tank, and is restored to a developed shape when external force disappears. The fuel tank made of the synthetic resin according to the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10045200A JPH11240345A (en) | 1998-02-26 | 1998-02-26 | Vehicular synthetic resin fuel tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10045200A JPH11240345A (en) | 1998-02-26 | 1998-02-26 | Vehicular synthetic resin fuel tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11240345A true JPH11240345A (en) | 1999-09-07 |
Family
ID=12712636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10045200A Pending JPH11240345A (en) | 1998-02-26 | 1998-02-26 | Vehicular synthetic resin fuel tank |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11240345A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100794003B1 (en) | 2006-11-15 | 2008-01-10 | 현대자동차주식회사 | Baffle couppled reservoir cup |
| JP2012066660A (en) * | 2010-09-22 | 2012-04-05 | Mitsubishi Motors Corp | Vehicle loading tank |
| FR3061090A1 (en) * | 2016-12-27 | 2018-06-29 | Renault S.A.S | ANTI-CLAPPING DEVICE OF A FUEL TANK OF A MOTOR VEHICLE |
| KR20180124997A (en) * | 2016-04-29 | 2018-11-21 | 카우텍스 텍스트론 게엠베하 운트 콤파니 카게 | LIQUID CONTAINER, LIQUID CAR LIQUID, AND METHOD FOR MANUFACTURING STRUCTURE FOR REDUCING SLOSING SOUND |
| WO2022215586A1 (en) * | 2021-04-08 | 2022-10-13 | 株式会社パイオラックス | Pillar-equipped valve device |
-
1998
- 1998-02-26 JP JP10045200A patent/JPH11240345A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100794003B1 (en) | 2006-11-15 | 2008-01-10 | 현대자동차주식회사 | Baffle couppled reservoir cup |
| JP2012066660A (en) * | 2010-09-22 | 2012-04-05 | Mitsubishi Motors Corp | Vehicle loading tank |
| KR20180124997A (en) * | 2016-04-29 | 2018-11-21 | 카우텍스 텍스트론 게엠베하 운트 콤파니 카게 | LIQUID CONTAINER, LIQUID CAR LIQUID, AND METHOD FOR MANUFACTURING STRUCTURE FOR REDUCING SLOSING SOUND |
| US11325464B2 (en) | 2016-04-29 | 2022-05-10 | Kautex Textron Gmbh & Co., Kg | Method for producing a liquid container, liquid container for a motor vehicle, and structure for reducing sloshing sounds |
| US11872880B2 (en) | 2016-04-29 | 2024-01-16 | Kautex Textron Gmbh & Co. Kg | Method for producing a liquid container, liquid container for a motor vehicle, and structure for reducing sloshing sounds |
| FR3061090A1 (en) * | 2016-12-27 | 2018-06-29 | Renault S.A.S | ANTI-CLAPPING DEVICE OF A FUEL TANK OF A MOTOR VEHICLE |
| WO2022215586A1 (en) * | 2021-04-08 | 2022-10-13 | 株式会社パイオラックス | Pillar-equipped valve device |
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