KR20010064482A - apparatus for detecting fuel flow of fuel tank in automobile - Google Patents
apparatus for detecting fuel flow of fuel tank in automobile Download PDFInfo
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- KR20010064482A KR20010064482A KR1019990064685A KR19990064685A KR20010064482A KR 20010064482 A KR20010064482 A KR 20010064482A KR 1019990064685 A KR1019990064685 A KR 1019990064685A KR 19990064685 A KR19990064685 A KR 19990064685A KR 20010064482 A KR20010064482 A KR 20010064482A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/32—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements
- G01F23/36—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements using electrically actuated indicating means
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/80—Arrangements for signal processing
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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
- B60K2015/0321—Fuel tanks characterised by special sensors, the mounting thereof
- B60K2015/03217—Fuel level sensors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Signal Processing (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Level Indicators Using A Float (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
Description
본 발명은 자동차용 연료탱크에 관한 것으로, 특히 연료탱크내 연료잔량을정확히 감지하여 게이지의 오작동을 방지하는 자동차용 연료탱크의 연료량감지장치에 관한 것이다.The present invention relates to a fuel tank for an automobile, and more particularly, to a fuel amount detecting device for an automotive fuel tank for accurately detecting the remaining fuel in the fuel tank to prevent malfunction of the gauge.
일반적으로, 연료탱크의 내부에는 연료게이지가 설치되어 차량의 대시패널에 연료의 잔량을 표시하며, 또한 연료가 일정량 이하로 감소하면 이를 운전자에게 경고하기 위해 대시패널에 설치된 경고램프를 점등하도록 되어 있다.In general, a fuel gauge is installed inside the fuel tank to display the remaining fuel on the dash panel of the vehicle, and when the fuel is lowered below a certain amount, a warning lamp installed on the dash panel is turned on to warn the driver. .
이러한, 종래 연료게이지의 구조는 도 1에 도시한 바와같이, 연료탱크(1)내 연료에 의해 부유하는 플로트(3)와, 상기 플로트(3)에 일측이 힌지된 플로트 아암(5)과, 상기 플로트 아암(5)과 연결되어 연료의 양에 따라 상하이동하는 아암바디(7)와, 상기 아암바디(7)와 접촉되어 연료의 양에 따라 변화하는 저항값을 감지하는 세라믹저항판(9)으로 구성되어 있다.As shown in FIG. 1, the conventional fuel gauge has a float 3 floating by fuel in the fuel tank 1, a float arm 5 hinged to one side of the float 3, An arm body 7 connected to the float arm 5 and moving in accordance with the amount of fuel, and a ceramic resistor plate 9 contacting the arm body 7 and detecting a resistance value that changes according to the amount of fuel. )
상기 아암바디(7)는 도 2에 도시한 바와같이, 아암바디(7)에 힌지점(13)을 매개로 연결되어 이동하는 접촉아암(11)을 구비하고 있고, 상기 접촉아암(11)에는 연료의 양에 따라 변화하는 저항값을 감지하도록 상기 세라믹저항판(9)에 접촉되는 1개의 접점부(15)를 구비하고 있다.As shown in FIG. 2, the arm body 7 includes a contact arm 11 which is connected to the arm body 7 via a hinge point 13 and moves therein, and the contact arm 11 has a contact arm 11. It is provided with one contact portion 15 in contact with the ceramic resistor plate 9 so as to sense a resistance value that varies with the amount of fuel.
상기와 같이 구성된 연료게이지에 있어서, 연료탱크(1)내 유량의 높이만큼 플로트(3)가 부유하면, 플로트 아암(5)을 매개로 도 1의 화살표로 도시한 바와같이, 아암바디(7)가 상하로 이동하여 접촉아암(11)의 접점부(15)가 세라믹저항판(9)에 접촉되므로 연료의 양에 따라 변화된 저항값을 감지하여 운전석 계기판에 보내면, 운전석의 게이지가 저항값만큼 작동하여 연료량을 표시하게 된다.In the fuel gauge configured as described above, if the float 3 floats by the height of the flow rate in the fuel tank 1, the arm body 7 is shown by the arrow of FIG. 1 via the float arm 5. Since the contact portion 15 of the contact arm 11 is brought into contact with the ceramic resistance plate 9 by moving up and down, when the resistance value changed according to the amount of fuel is detected and sent to the driver's instrument panel, the gauge of the driver's seat operates as much as the resistance value To display the fuel amount.
그런데, 이와같은 종래의 자동차용 연료게이지에 있어서는, 저항값을 감지하는 접점부(15)가 도 2에 도시한 바와같이, 1개밖에 없어 접점부(15)와 세라믹저항판(9) 사이에 이물질이 끼어 있으면 저항값을 정확히 읽지 못하여 연료량을 제대로 표시해 주지 못하므로 운전석 게이지의 불량이 자주 발생한다는 문제점이 있었다.However, in the conventional fuel gauge for automobiles, as shown in FIG. 2, there is only one contact portion 15 that senses a resistance value, and there is only one contact portion 15 between the ceramic resistor plate 9. If foreign matter is stuck, the resistance value could not be read correctly, so the fuel quantity could not be displayed properly.
따라서, 본 발명은 상술한 종래의 문제점을 해결하기 위하여 안출된 것으로, 접촉아암의 폭방향 또는 길이방향으로 접점부를 2개 설치하여 연료의 양에 따라 변화하는 저항값을 2곳에서 감지하므로, 1개의 접점부에 이물질이 끼어 있어도 다른 접점부에서 저항값을 감지하여 게이지불량에 의한 작동불량을 1/2로 줄일 수 있으므로 연료탱크 내부의 불순물, 이물질에 의한 운전석 게이지의 오작동을 방지하는 자동차용 연료탱크의 연료량감지장치를 제공하는데 그 목적이 있다.Therefore, the present invention has been made to solve the above-mentioned conventional problems, and by installing two contact portions in the width direction or the longitudinal direction of the contact arm to detect the resistance value that changes depending on the amount of fuel in two places, 1 Even if foreign matter is stuck in the two contact parts, the resistance value of the other contact part can be sensed to reduce the malfunction caused by the gauge failure by half, thereby preventing the malfunction of the driver's seat gauge caused by impurities in the fuel tank and foreign matter. It is an object of the present invention to provide a tank fuel level detection device.
상기 목적을 달성하기 위하여 본 발명에 의한 자동차용 연료탱크의 연료량감지장치는, 연료탱크내 연료의 양을 감지하는 연료량감지장치에 있어서, 상기 연료탱크내 연료의 양에 따라 회동하는 아암바디와, 상기 아암바디에 일체로 연결되어 연료의 양에 따라 변화하는 저항값을 감지하도록 2개의 접점부가 구비된 접촉아암과, 상기 접점부에서 감지된 2개의 저항값을 입력받아 실제 게이지 저항값을 판독하는 ECU로 구성된 것을 특징으로 한다.In order to achieve the above object, a fuel amount detecting device for a fuel tank for an automobile according to the present invention includes a fuel body detecting device for detecting an amount of fuel in a fuel tank, the arm body rotating according to the amount of fuel in the fuel tank; A contact arm having two contact parts connected to the arm body and configured to detect a resistance value changing according to the amount of fuel, and reading the actual gauge resistance value by receiving two resistance values sensed at the contact part; It is characterized by consisting of the ECU.
도 1은 일반적인 연료탱크내 연료게이지의 구성을 도시한 개략도,1 is a schematic view showing the configuration of a fuel gauge in a general fuel tank;
도 2는 도 1의 A부를 90。 회전시켜 도시한 종래 연료게이지의 구성도,2 is a block diagram of a conventional fuel gauge shown by rotating the A portion of Figure 1 90 °,
도 3은 본 발명의 제1실시예에 의한 연료량감지장치의 구성도,3 is a configuration diagram of a fuel amount detection device according to a first embodiment of the present invention;
도 4는 도 3에 도시한 연료게이지의 측단면도,4 is a side cross-sectional view of the fuel gauge shown in FIG. 3;
도 5는 본 발명의 제2실시예에 의한 연료게이지의 구성도,5 is a configuration diagram of a fuel gauge according to a second embodiment of the present invention;
도 6은 도 5의 측단면도,6 is a side cross-sectional view of FIG. 5;
<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>
1 : 연료탱크 10 : 연료게이지1: fuel tank 10: fuel gauge
20 : 세라믹저항판 24 : 아암바디20: ceramic resistance plate 24: arm body
26 : 접촉아암 30 : ECU26: contact arm 30: ECU
40 : 운전석 게이지40: driver's seat gauge
이하, 본 발명의 일실시예를 첨부된 도면을 참조하여 상세히 설명한다.Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
도 3에 도시한 바와같이, 본 발명에 의한 자동차용 연료탱크의 연료량감지장치는 연료탱크(1)내 연료의 양에 따라 변화하는 저항값을 감지하는 연료게이지(10)와, 상기 연료게이지(10)에서 감지된 저항값을 입력받아 실제 게이지 저항값을 판독하는 ECU(30)와, 상기 ECU(30)에서 판독된 저항값만큼 작동하여 연료량을 표시하는 운전석 게이지(40)로 구성되어 있다.As shown in FIG. 3, the fuel amount sensing apparatus for an automotive fuel tank according to the present invention includes a fuel gauge 10 for detecting a resistance value that changes according to the amount of fuel in the fuel tank 1, and the fuel gauge ( The ECU 30 which receives the resistance value sensed by 10) and reads the actual gauge resistance value, and the driver's seat gauge 40 which displays the fuel amount by operating as much as the resistance value read by the ECU 30.
상기 연료게이지(10)는 도 3 내지 도 6에 도시한 바와같이, 저항값이 LOW측 3Ω에서부터 HIGH측 110Ω까지 일정하게 분활된 도체부(22)를 구비한 세라믹저항판(20)과, 플로트 아암(도시안됨)과 연결되어 연료의 양에 따라 좌우회동하는 아암바디(24)와, 상기 아암바디(24)에 힌지점(28)을 매개로 연결되어 좌우회동하는 접촉아암(26)과, 상기 접촉아암(26)에 설치되어 연료의 양에 따라 변화하는 저항값을 감지하도록 상기 세라믹저항판(20)의 도체부(22)에 접촉되는 2개의 접점부{(ⓐ,ⓑ) 또는 (ⓒ,ⓓ)}로 구성되어 있다.As shown in FIGS. 3 to 6, the fuel gauge 10 includes a ceramic resistor plate 20 having a conductor portion 22, the resistance of which is uniformly divided from LOW side 3 kV to HIGH side 110 kPa, and float. An arm body 24 connected to an arm (not shown) to rotate left and right according to the amount of fuel, a contact arm 26 connected to the arm body 24 via a hinge point 28 and rotated left and right; Two contact portions {(ⓐ, ⓑ) or (ⓒ installed on the contact arm 26 which are in contact with the conductor portion 22 of the ceramic resistance plate 20 so as to sense a resistance value that varies with the amount of fuel. , Ⓓ)}.
그리고, 상기 접점부(ⓐ,ⓑ)는 도 3 및 도 4에 도시한 바와같이, 각기 다른 2개의 저항값을 감지하도록 저항판정기준점(k)을 중심으로 저항보정치(f)만큼의 거리를 두고 상기 접촉아암(26)의 폭방향(LOW측, HIGH측)으로 2개 설치되어 있으며, 저항보정치(f)는 LOW측 3Ω과 HIGH측 110Ω으로 균등 분활되는 도체부(22)의 회전구간에서 ⓐ,ⓑ 두 접점거리의 저항판정기준점(k)에서부터 ⓐ,ⓑ까지의 거리만큼의 저항값으로서, 분활각도와 길이를 고려하여 선정한다.As shown in FIGS. 3 and 4, the contact parts ⓐ and ⓑ are spaced by the resistance correction value f about the resistance determination reference point k so as to sense two different resistance values. Two contact arms 26 are provided in the width direction (LOW side, HIGH side), and the resistance compensation value f is ⓐ in the rotation section of the conductor part 22 equally divided into LOW side 3Ω and HIGH side 110Ω. , Ⓑ This resistance value is the distance from the resistance determination reference point (k) of two contact distances to ⓐ, ⓑ, and is selected in consideration of the division angle and length.
또한, 접접부(ⓒ,ⓓ)는 도 5 및 도 6에 도시한 바와같이, 동일한 저항값을 2곳에서 감지하도록 저항판정기준점(k)을 중심으로 상기 접촉아암(26)의 길이방향으로 2개 설치되어 있다.Also, as shown in FIGS. 5 and 6, the contact portions ⓒ and ⓓ are two in the longitudinal direction of the contact arm 26 about the resistance determination reference point k so as to sense the same resistance value at two places. Are installed.
이하, 상기와 같이 구성된 자동차용 연료탱크의 연료량감지장치의 작용효과를 설명한다.Hereinafter, the effect of the fuel amount detection device of the fuel tank for automobiles configured as described above will be described.
먼저, 저항판정기준점(k)을 중심으로 접촉아암(26)의 폭방향(LOW측, HIGH측)으로 접점부(ⓐ,ⓑ)가 2개 설치된 구조의 제1실시예를 설명한다.First, a first embodiment of the structure in which two contact portions ⓐ, ⓑ are provided in the width direction (LOW side, HIGH side) of the contact arm 26 around the resistance determination reference point k will be described.
연료탱크(1)내 유량의 높이에 따라 아암바디(24)가 접촉아암(26)의 폭방향(LOW측, HIGH측)으로 이동하여 접촉아암(26)에 설치된 2개의 접점부(ⓐ,ⓑ)가 세라믹저항판(20)의 도체부(22)에 접촉되면서 서로 다른 2개의 저항값을 감지한다.According to the height of the flow rate in the fuel tank 1, the arm body 24 moves in the width direction (LOW side, HIGH side) of the contact arm 26, and the two contact portions (ⓐ, ⓑ) provided on the contact arm 26 are provided. ) Detects two different resistance values while contacting the conductor portion 22 of the ceramic resistor plate 20.
상기 2개의 접점부(ⓐ,ⓑ)에서 감지된 2개의 저항값을 ECU(30)에서 입력받아 저항판정기준점(k)에서의 실제 게이지 저항값을 다음과 같이 판독한다.The two resistance values sensed by the two contact parts ⓐ and ⓑ are input from the ECU 30, and the actual gauge resistance value at the resistance determination reference point k is read as follows.
①: ⓐ,ⓑ접점부에서 저항값이 모두 감지되면, ECU(30)에서는 ⓐ,ⓑ의 저항값을 평균한 값{(ⓐ+ⓑ)/2}을 실제 게이지 저항값으로 판독한다.①: When all resistance values are detected at the contact points ⓐ and ⓑ, the ECU 30 reads the average value {(ⓐ + ⓑ) / 2} of the resistance values ⓐ and ⓑ as the actual gauge resistance value.
②: HIGH측 ⓐ접점부에서만 저항값이 감지되면, ECU(30)에서는 ⓐ의 저항값에서 저항보정치(f)를 뺀 값(ⓐ-f)을 실제 게이지 저항값으로 판독한다.②: When the resistance value is detected only at the ⓐ contact portion of the HIGH side, the ECU 30 reads the value ⓐ-f minus the resistance compensation value f from the resistance value of ⓐ as the actual gauge resistance value.
③: LOW측 ⓑ접점부에서만 저항값이 감지되면, ECU(30)에서는 ⓑ의 저항값에서 저항보정치(f)를 더한 값(ⓑ+f)을 실제 게이지 저항값으로 판독한다.③: When the resistance value is detected only at the ⓑ contact part on the LOW side, the ECU 30 reads the resistance value of ⓑ plus the resistance correction value f (ⓑ + f) as the actual gauge resistance value.
④: ⓐ,ⓑ접점부에서 저항값이 모두 감지되지 않으면, ECU(30)에서는 단락으로 판정한다.④: If all resistance values are not detected at the contact points ⓐ and ⓑ, the ECU 30 determines that a short circuit has occurred.
따라서, 연료게이지(10)의 실제 저항값은 2개 접점부(ⓐ,ⓑ)의 중앙인 저항판정기준점(k)에서의 저항값이 되는 것이다.Therefore, the actual resistance value of the fuel gauge 10 becomes a resistance value at the resistance determination reference point k which is the center of the two contact portions ⓐ and ⓑ.
다음에, 저항판정기준점(k)을 중심으로 접촉아암(26)의 길이방향으로접점부(ⓒ,ⓓ)가 2개 설치된 구조의 제2실시예를 설명한다.Next, a second embodiment of the structure in which two contact portions (©, ⓓ) are provided in the longitudinal direction of the contact arm 26 around the resistance determination reference point k will be described.
연료탱크(1)내 유량의 높이에 따라 아암바디(24)가 접촉아암(26)의 폭방향(LOW측, HIGH측)으로 이동하여 접촉아암(26)에 설치된 2개의 접점부(ⓒ,ⓓ)가 세라믹저항판(20)의 도체부(22)에 접촉되면서 동일한 2개의 저항값을 감지한다.According to the height of the flow rate in the fuel tank 1, the arm body 24 moves in the width direction (LOW side, HIGH side) of the contact arm 26, and the two contact parts (ⓒ, ⓓ) provided in the contact arm 26 are formed. ) Detects the same two resistance values while contacting the conductor portion 22 of the ceramic resistor plate 20.
상기 2개의 접점부(ⓒ,ⓓ)에서 감지된 동일한 저항값을 ECU(30)에서 입력받아 저항판정기준점(k)에서의 실제 게이지 저항값을 다음과 같이 판독한다.The same resistance value sensed by the two contact parts (©, ⓓ) is received from the ECU 30 and the actual gauge resistance value at the resistance determination reference point k is read as follows.
⑤: ⓒ,ⓓ접점부에서 저항값이 모두 감지되면, ECU(30)에서는 ⓒ,ⓓ의 저항값을 평균한 값{(ⓒ+ⓓ)/2}을 실제 게이지 저항값으로 판독한다.(5): When both resistance values are detected at the contact points ⓒ and ⓓ, ECU 30 reads the average value {(ⓒ + ⓓ) / 2}, which is the average of the resistance values ⓒ and ⓓ, as the actual gauge resistance value.
⑥: ⓒ접점부에서만 저항값이 감지되면, ECU(30)에서는 ⓒ의 저항값을 실제 게이지 저항값으로 판독한다.(6) When the resistance value is detected only at the contact point ⓒ, ECU 30 reads the resistance value of © as the actual gauge resistance value.
⑦: ⓓ접점부에서만 저항값이 감지되면, ECU(30)에서는 ⓓ의 저항값을 실제 게이지 저항값으로 판독한다.⑦: When the resistance value is detected only at the contact point ⓓ, ECU 30 reads the resistance value of ⓓ as the actual gauge resistance value.
⑧: ⓒ,ⓓ접점부에서 저항값이 모두 감지되지 않으면, ECU(30)에서는 단락으로 판정한다.(8) If all resistance values are not detected at the contacts ⓒ and ⓓ, ECU 30 determines that a short circuit occurs.
상기와 같이, ECU(30)에서 실제 게이지 저항값을 판독하여 운전석 계기판에 보내면, 운전석 게이지(40)에서는 저항값만큼 작동하여 연료잔량을 표시하게 된다.As described above, when the actual gauge resistance value is read by the ECU 30 and sent to the driver's seat instrument panel, the driver's seat gauge 40 operates by the resistance value to display the fuel residual amount.
상기의 설명에서와 같이 본 발명에 의한 자동차용 연료탱크의 연료량감지장치에 의하면, 접촉아암의 폭방향 또는 길이방향으로 접점부를 2개 설치하여 연료의 양에 따라 변화하는 저항값을 2곳에서 감지하므로, 1개의 접점부에 이물질이 끼어있어도 다른 접점부에서 저항값을 감지하여 게이지불량에 의한 작동불량을 1/2로 줄일 수 있으므로 연료탱크 내부의 불순물, 이물질에 의한 운전석 게이지의 오작동을 방지할 수 있고, 연료량을 정확히 표시해 준다는 효과가 있다.According to the fuel amount sensing device for a fuel tank for automobiles according to the present invention as described above, by installing two contact portions in the width direction or the longitudinal direction of the contact arm to detect the resistance value that changes depending on the amount of fuel at two places Therefore, even if foreign matter is stuck in one contact part, the resistance value can be reduced at 1/2 of the other contact part to reduce the malfunction caused by the defective gauge. Therefore, it is possible to prevent malfunction of the driver's seat gauge caused by impurities in the fuel tank and foreign matter. It is effective in accurately displaying fuel amount.
Claims (3)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990064685A KR20010064482A (en) | 1999-12-29 | 1999-12-29 | apparatus for detecting fuel flow of fuel tank in automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1019990064685A KR20010064482A (en) | 1999-12-29 | 1999-12-29 | apparatus for detecting fuel flow of fuel tank in automobile |
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| KR20010064482A true KR20010064482A (en) | 2001-07-09 |
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| KR1019990064685A KR20010064482A (en) | 1999-12-29 | 1999-12-29 | apparatus for detecting fuel flow of fuel tank in automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113532565A (en) * | 2021-06-03 | 2021-10-22 | 惠州市德赛西威汽车电子股份有限公司 | Automobile fuel tank fuel simulation test method and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532565A (en) * | 2021-06-03 | 2021-10-22 | 惠州市德赛西威汽车电子股份有限公司 | Automobile fuel tank fuel simulation test method and system |
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