KR100475804B1 - Fuel tank - Google Patents

Fuel tank Download PDF

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Publication number
KR100475804B1
KR100475804B1 KR10-2001-0070075A KR20010070075A KR100475804B1 KR 100475804 B1 KR100475804 B1 KR 100475804B1 KR 20010070075 A KR20010070075 A KR 20010070075A KR 100475804 B1 KR100475804 B1 KR 100475804B1
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KR
South Korea
Prior art keywords
fuel
tank
tank body
perforated baffle
fuel flow
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Application number
KR10-2001-0070075A
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Korean (ko)
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KR20030039134A (en
Inventor
김석준
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현대자동차주식회사
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Priority to KR10-2001-0070075A priority Critical patent/KR100475804B1/en
Publication of KR20030039134A publication Critical patent/KR20030039134A/en
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Publication of KR100475804B1 publication Critical patent/KR100475804B1/en

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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
    • B60K15/077—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
    • B60K2015/03328—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
    • 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
    • B60K2015/0777—Fuel tanks with means modifying or controlling distribution or motion of fuel, e.g. to prevent noise, surge, splash or fuel starvation in-tank reservoirs or baffles integrally manufactured with the fuel Tank

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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)

Abstract

본 발명의 목적은 구조가 단순하고 연료유동을 효과적으로 감쇄시켜 진동을 저감하며, 연료량이 적을 경우에도 연료 공급의 안정성이 확보되는 차량의 진동저감을 위한 연료탱크를 제공하는 데 있다.SUMMARY OF THE INVENTION An object of the present invention is to provide a fuel tank for vibration reduction of a vehicle having a simple structure and effectively attenuating fuel flow to reduce vibration and ensuring stability of fuel supply even when the amount of fuel is small.

이를위해 본 발명은 탱크본체와, 그 탱크본체내에 급격한 연료유동을 방지토록 설치되는 유공배플판을 포함하는 연료탱크에 있어서,To this end, the present invention provides a fuel tank comprising a tank body and a perforated baffle plate installed to prevent rapid fuel flow in the tank body.

상기 탱크본체내의 바닥면에 전체높이의 대략 1/2 정도되는 복수개의 유공배플판이 세워져 고정 장착되며, 상기 유공배플판의 중간 높이에는 연료량이 적을 경우의 연료의 유동을 위한 복수개의 상부연료유동구멍이 형성되어 있으며, 또 상기 유공배플판의 하단에는 탱크본체 바닥면에 접한 저유량시의 연료 유동을 위한 하부연료유동구멍이 형성되어 있는 것을 특징으로 한다.Of the total height of the bottom surface within the tank body approximately 1/2 about a plurality of perforated baffle plates are erected fixed mounting and the perforated baffle plates in the mid-height, the plurality of upper fuel flow holes for the flow of fuel when fuel level is low that And a lower fuel flow hole is formed at the lower end of the perforated baffle plate for fuel flow at low flow rate in contact with the bottom surface of the tank body.

Description

차량의 진동 저감을 위한 연료탱크{Fuel tank}Fuel tank for vibration reduction of vehicle

본 발명은 차량의 진동 저감을 위한 연료탱크의 구조 개선에 관한 것이다.The present invention relates to a structural improvement of a fuel tank for reducing vibration of a vehicle.

연료탱크는 엔진에 공급하기 위한 연료를 저장하는 것으로 탱크본체, 주입구 파이프 및 연료게이지의 센더 유니트 등으로 구성되어 있으며, 내부에는 주행중 연료의 요동을 방지하여 유동하는 연료에 의해 진동이 발생하는 것을 저감하기 위한 몇장의 배플판(baffle plate)이 설치되어 있다.The fuel tank stores fuel for supplying to the engine and is composed of a tank body, an inlet pipe and a fuel gauge sender unit, and prevents fluctuations of the fuel while driving and reduces vibration generated by the flowing fuel. Several baffle plates are installed for this purpose.

종래 연료의 유동을 방지하기 위한 방안으로서 도 3에 도시하는 것과 같이 탱크본체(11)내의 상하에 각각 복수개의 연료유통공(12)(13)을 가지는 유공배플판(14)(15)을 설치하고, 상하의 유공배플판(14)(15)들 사이에 연료필터(16)를 설치하거나 또는 도 4에 도시하는 것과 같이 탱크본체(11)내에 연료유통공(17)을 갖는 유공배플판(18)을 탱크본체(11)의 전체 높이에 걸쳐 형성하여 연료의 쏠림으로 인한 유동시 유공배플판(14)(15)(18)에 부딪혀 유동이 방지됨과 함께 연료유통공(12)(13)(17)을 통해 조금씩 연료가 이동하도록 하여 급격한 연료 유동에 의한 진동을 저감하도록 되어있다.As a method for preventing the flow of fuel in the prior art, as shown in FIG. 3, the air baffle plates 14 and 15 having a plurality of fuel flow holes 12 and 13 are disposed above and below the tank body 11, respectively. And a fuel filter 16 between the upper and lower hole baffle plates 14 and 15, or the hole baffle plate 18 having a fuel flow hole 17 in the tank body 11 as shown in FIG. ) Is formed over the entire height of the tank body (11) to hit the perforated baffle plate (14) (15) (18) during the flow due to the fuel's tendency to prevent flow and fuel flow holes (12) (13) ( Through 17), the fuel moves little by little to reduce the vibration caused by the rapid fuel flow.

또 연료탱크(10)내에 연료가 없으면 연료탱크(11)와 BIW의 진동모드의 상호영향은 작은 반면 연료탱크(10)내의 연료가 반쯤 차있는 경우일 때에는 차량의 동특성이 나타나는 구간(0 ∼ 20Hz)에서 차량에 많은 영향을 주게된다.In addition, if there is no fuel in the fuel tank 10, the mutual influence of the vibration mode of the fuel tank 11 and the BIW is small, but the section in which the dynamic characteristics of the vehicle appears when the fuel in the fuel tank 10 is half full (0 to 20 Hz). Will affect the vehicle a lot.

연료가 연료탱크(10)내에 가득차 있는 경우 연료 유동에 의한 가진력은 작아지기 때문에 연료의 유무 및 연료량에 따라 진동 특성이 달라져 차량의 승차감에 영향을 미치게 된다.When the fuel is filled in the fuel tank 10, since the excitation force due to the fuel flow is small, the vibration characteristics vary depending on the presence or absence of fuel and affects the riding comfort of the vehicle.

그러나 상기한 종래구조의 진동저감구조에 의하면 연료탱크의 상부로 배플판을 두는 경우에는 탱크내의 연료가 적어 발생하게 되는 튀어오름(Sloshing) 현상에 의해 연료탱크내부에 설치되어 있는 각종 센서의 손상을 가져오는 문제점이 있다.However, according to the vibration reduction structure of the conventional structure, when the baffle plate is placed on the upper portion of the fuel tank, damage to various sensors installed in the fuel tank may be caused by the sloshing phenomenon caused by the small amount of fuel in the tank. There is a problem with importing.

또 연료탱크의 전체 단면 또는 상하로 각각 유공배플판을 두는 경우 제작이 힘들고 작업공수가 많이 들어 원가 측면에 불리하다는 문제점 및 연료량이 적은 경우 유동배플판을 넘어 연료가 이동하지 못해 연료공급의 불안전성을 가져오는 문제점이 지적되고 있다.In addition, when the perforated baffle plate is placed in the entire cross section or up and down of the fuel tank, it is difficult to manufacture and the labor cost is high due to the high workmanship. The problem of import is pointed out.

이에 본 발명은 상기한 점을 감안하여 제안한 것으로서 그의 목적으로 하는 것은Accordingly, the present invention has been made in view of the above-mentioned points, and its object is

구조가 단순하고 연료유동을 효과적으로 감쇄시켜 진동을 저감하며, 연료량이 적을 경우에도 연료 공급의 안정성이 확보되는 차량의 진동저감을 위한 연료탱크를 제공하는 데 있다.The structure is simple and effectively attenuates fuel flow to reduce vibration, and to provide a fuel tank for vibration reduction of the vehicle to ensure the stability of the fuel supply even when the fuel amount is low.

상기한 목적을 달성하기 위하여 본 발명은The present invention to achieve the above object

탱크본체와, 그 탱크본체내에 급격한 연료유동을 방지토록 설치되는 유공배플판을 포함하는 연료탱크에 있어서,A fuel tank comprising a tank body and a perforated baffle plate provided to prevent sudden fuel flow in the tank body,

상기 탱크본체내의 바닥면에 전체높이의 대략 1/2 정도되는 복수개의 유공배플판이 세워져 고정 장착되며, 상기 유공배플판의 중간 높이에는 연료량이 적을 경우의 연료의 유동을 위한 복수개의 상부연료유동구멍이 형성되어 있으며, 또 상기 유공배플판의 하단에는 탱크본체 바닥면에 접한 저유량시의 연료 유동을 위한 하부연료유동구멍이 형성되어 있는 것을 특징으로 한다.Of the total height of the bottom surface within the tank body approximately 1/2 about a plurality of perforated baffle plates are erected fixed mounting and the perforated baffle plates in the mid-height, the plurality of upper fuel flow holes for the flow of fuel when fuel level is low that And a lower fuel flow hole is formed at the lower end of the perforated baffle plate for fuel flow at low flow rate in contact with the bottom surface of the tank body.

이하 본 발명의 구성을 첨부한 도면을 참조하여 설명한다.Hereinafter, the configuration of the present invention will be described with reference to the accompanying drawings.

도 1은 본 발명에 의한 차량의 진동저감을 위한 연료탱크의 구조를 나타내는 정단면도이고, 도 2는 동상 연료탱크의 A-A 측단면도이다. 1 is a front sectional view showing a structure of a fuel tank for vibration reduction of a vehicle according to the present invention, Figure 2 is a side cross-sectional view A-A of the in-phase fuel tank.

연료탱크(1)는 통체로 형성되는 탱크본체(2)와, 그 내부의 바닥면(3)에 입설되는 복수개의 유공배플판(4)을 포함하여 구성되어 있으며, 연료 취유를 위한 펌프장치와 연료게이지 장치 및 연료공급과 리턴을 위한 각종 파이프 구조물등의 도시는 복잡함을 피하기 위해 생략하였다.The fuel tank 1 includes a tank body 2 formed of a cylindrical body, and a plurality of perforated baffle plates 4 mounted on the bottom surface 3 of the inside thereof. Illustrations of fuel gauge devices and various pipe structures for fuel supply and return have been omitted to avoid complications.

상기 유공배플판(4)은 용접(5)에 의해 바닥면(3)에 고정 설치되며, 그의 높이(H1)는 대략 탱크본체(2) 높이(H2)의 1/2 정도를 가지도록 설정되고, 그의 중앙부에는 복수개의 상부 연료유동구멍(6)이 형성되어 있으며, 유공배플판(4)의 하부에는, 즉 바닥면(3)에 접한 유공배플판(4)의 하단에는 상기 상부연료유동구멍(6)의 크기보다는 작은 하부연료유동구멍(7)이 복수개가 천공되어 있다.The perforated baffle plate (4) is securely fixed to the floor 3 by means of welding (5), whose height (H 1) is to have a 1/2 about a substantially tank body (2) the height (H 2) A plurality of upper fuel flow holes 6 are formed in the center thereof, and the upper fuel is disposed at the lower portion of the porous baffle plate 4, that is, at the lower end of the porous baffle plate 4 in contact with the bottom surface 3. Plural lower fuel flow holes 7 are smaller than the size of the flow holes 6.

그리고 상기 유공배플판(4)의 상단은 꼬부라진 절곡부(8)를 구비하고 있어 국부적인 강도 증진 효과를 주고 있다.And the upper end of the perforated baffle plate 4 is provided with a curved bent portion (8) to give a local strength enhancement effect.

또 탱크본체(2)는 도 2에 도시하는 것과같이 요철형 리브(9)가 형성되어 있어 강도를 증진시키고 있다.In addition, as shown in Fig. 2, the tank main body 2 is formed with an uneven rib 9 to enhance strength.

이와같은 본 발명은 연료탱크(1)내의 연료쏠림이 일어날 때 유공배플판(4)이 급격한 연료 유동을 방지하는 차단벽의 역활을 하게 되며, 몸체 중앙에 천공된 상부연료유동구멍(6)을 통해 연료가 유공배플판(4)을 통과하여 유동하게 되면서 진동의 감쇄가 일어나게 되는 것이다.In the present invention as described above, the fuel tank 1 acts as a barrier wall to prevent rapid fuel flow when the fuel tank 1 occurs, and the upper fuel flow hole 6 drilled in the center of the body. As the fuel flows through the perforated baffle plate 4, vibration attenuation occurs.

또 연료탱크(1)내의 연료가 적더라도 하부연료유동구멍(7)을 통해 연료가 빠져나가게 되어 안정적인 연료 취유가 가능하게 된다.In addition, even if there is little fuel in the fuel tank 1, the fuel is drawn out through the lower fuel flow hole 7, so that stable fuel oil is possible.

이상과 같은 본 발명에 의하면 연료탱크내에 급격한 연료 유동을 방지하기 위한 유공배플판을 설치함에 있어서, 유공배플판의 높이를 연료탱크의 전체높이의 1/2 정도로 설정하고, 그의 몸체 중간부위와 아랫부분에 연료유동구멍을 설치하며, 또 상부를 절곡시키고 탱크본체의 판재에 요철형 리브를 형성하는 것에 의해서 다음과 같은 효과가 기대된다.In as according to the present invention as described above to install the perforated baffle for preventing the rapid fuel flow in the fuel tank plate, set the height of the perforated baffle plates about 1/2 of the total height of the fuel tank, and his body middle part and lower The following effects are expected by providing a fuel flow hole in the portion, bending the upper portion and forming an uneven rib in the plate of the tank body.

첫째, 유공배플판의 적용으로 연료탱크 내부의 연료 유동으로 인한 가진력의 감소로 연료탱크의 내구성 향상 및 차체 진동 저감효과가 있으며,First, due to the application of perforated baffle plate, the excitation force due to the fuel flow inside the fuel tank is reduced, thereby improving fuel tank durability and reducing body vibration.

둘째, 배플판의 중간 및 하부에 구멍이 형성되어 있어 연료량이 적을 경우에도 연료의 공급이 원활하게 유지되며,Second, the hole is formed in the middle and the bottom of the baffle plate, so the fuel supply is maintained smoothly even when the fuel amount is low.

셋째, 바닥면과 만나는 곳에 구멍이 형성되어 있기 때문에 연료공급을 위해 바닥면에 배설되던 별도의 파이프가 필요치 아니하여 자재가 절감되고,Third, because the hole is formed where it meets the bottom surface, the material is saved because it does not need a separate pipe disposed on the floor for fuel supply,

넷째, 차량의 쏠림에 의한 연료의 쏠림이 늦어지게 되어 차량 운행의 안정성이 제고되며,Fourth, the fuel is lowered due to the vehicle's tilting, which improves vehicle stability.

다섯째, 연료의 튀어오름력(Sloshing force)의 감소로 연료탱크 내부의 각종 센서 및 기기의 손상이 방지되는 효과가 있고,Fifth, the damage of various sensors and devices in the fuel tank can be prevented by reducing the fuel's sloshing force,

여섯째, 유공배플판을 단면전체나 또 상하로 설치하는 것에 비해 경량화되는 효과가 있다.Sixth, there is an effect of reducing the weight compared to installing the whole hole baffle plate in the whole section or up and down.

도 1은 본 발명에 의한 차량의 진동 저감을 위한 연료탱크 구조를 나타내는 도면.1 is a view showing a fuel tank structure for reducing vibration of a vehicle according to the present invention.

도 2는 동상 연료탱크의 A-A 측단면도.Figure 2 is a cross-sectional side view A-A of the in-phase fuel tank.

도 3과 도4는 종래기술.3 and 4 are prior art.

※ 도면의 주요부분에 대한 부호의 설명※ Explanation of code for main part of drawing

1 : 연료탱크 2 : 탱크본체1: fuel tank 2: tank body

3 : 바닥면 4 : 유공배플판3: bottom surface 4: perforated baffle plate

5 : 용접부 6 : 상부연료유동구멍5: welded part 6: upper fuel flow hole

7 : 하부연료유동구멍 8 : 절곡부7: Lower fuel flow hole 8: Bending part

9 : 요철형 리브9: uneven rib

Claims (5)

탱크본체 내에 바닥면으로부터 상측을 향하여 전체높이의 절반정도의 높이가 되는 복수개의 유공배플판이 세워져 고정장착되고, 상기 유공배플판의 중간 높이에는 연료량이 적을 경우에 연료유동을 위한 복수개의 상부연료유동구멍이 형성되며, 또 상기 유공배플판의 하단에는 탱크본체 바닥면에 접한 저유량시의 연료 유동을 위한 하부연료유동구멍이 형성된 연료탱크에 있어서,In the tank body, a plurality of perforated baffle plates, which are about half the height of the entire height, are erected and mounted in the tank body, and a plurality of upper fuel flows for fuel flow when the fuel amount is small at the middle height of the perforated baffle plates In the fuel tank formed with a hole, and the lower fuel flow hole for the fuel flow at low flow rate in contact with the bottom surface of the tank body at the bottom of the perforated baffle plate, 상기한 하부연료유동구멍(7)은 상부연료유동구멍(6)에 비해 작은 크기로 형성되고, 상기한 유공배플판(4)의 상단의 소정구간은 일측을 향해 절곡형성되며, 상기한 탱크본체(2)를 형성하는 판재의 도중에는 소정의 간격으로 요철형 리브(9)가 형성되어 있는 것을 특징으로 차량의 진동저감을 위한 연료탱크.The lower fuel flow hole 7 is formed in a smaller size than the upper fuel flow hole 6, and a predetermined section of the upper end of the perforated baffle plate 4 is bent toward one side, and the tank body (2) A fuel tank for reducing vibration of a vehicle, wherein an uneven rib is formed at predetermined intervals in the middle of the plate forming part. 삭제delete 삭제delete 삭제delete 삭제delete
KR10-2001-0070075A 2001-11-12 2001-11-12 Fuel tank KR100475804B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100968789B1 (en) 2008-12-01 2010-07-08 주식회사 동희산업 Fuel tank for vehicle
WO2018131943A1 (en) * 2017-01-13 2018-07-19 주식회사 동희산업 Vehicle tank

Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
KR100581795B1 (en) * 2004-08-13 2006-05-23 현대자동차주식회사 Mounting apparatus for baffle plate
KR100868212B1 (en) * 2006-11-14 2008-11-11 현대자동차주식회사 Fuel tank in vehicles
CN105416457A (en) * 2015-12-05 2016-03-23 重庆市成吉思机械制造有限公司 Motorcycle gasoline tank
CN109505897B (en) * 2018-11-06 2024-01-02 陕西法士特齿轮有限责任公司 Container capable of preventing liquid level from fluctuating
CN113002295B (en) * 2021-04-30 2024-06-14 合肥丰科汽车部件有限公司 Aluminum alloy oil tank with liquid sloshing reducing function

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Publication number Priority date Publication date Assignee Title
JPS5371719A (en) * 1977-04-27 1978-06-26 Nissan Motor Co Ltd Fuel tank
JPH06144030A (en) * 1992-11-04 1994-05-24 Horie Kinzoku Kogyo Kk Fuel tank
JPH09263148A (en) * 1996-03-28 1997-10-07 Sueyoshi Kogyo Kk Tank having mid partition plate

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5371719A (en) * 1977-04-27 1978-06-26 Nissan Motor Co Ltd Fuel tank
JPH06144030A (en) * 1992-11-04 1994-05-24 Horie Kinzoku Kogyo Kk Fuel tank
JPH09263148A (en) * 1996-03-28 1997-10-07 Sueyoshi Kogyo Kk Tank having mid partition plate

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100968789B1 (en) 2008-12-01 2010-07-08 주식회사 동희산업 Fuel tank for vehicle
WO2018131943A1 (en) * 2017-01-13 2018-07-19 주식회사 동희산업 Vehicle tank
KR101880147B1 (en) * 2017-01-13 2018-07-20 (주)동희산업 Tank for vehicles

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