KR20020037937A - System for charactor test of fuel sender at land slopes - Google Patents

System for charactor test of fuel sender at land slopes Download PDF

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Publication number
KR20020037937A
KR20020037937A KR1020000067941A KR20000067941A KR20020037937A KR 20020037937 A KR20020037937 A KR 20020037937A KR 1020000067941 A KR1020000067941 A KR 1020000067941A KR 20000067941 A KR20000067941 A KR 20000067941A KR 20020037937 A KR20020037937 A KR 20020037937A
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KR
South Korea
Prior art keywords
fuel
tank
storage tank
sender
amount
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KR1020000067941A
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Korean (ko)
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KR100391420B1 (en
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윤종태
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이계안
현대자동차주식회사
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Priority to KR10-2000-0067941A priority Critical patent/KR100391420B1/en
Publication of KR20020037937A publication Critical patent/KR20020037937A/en
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Publication of KR100391420B1 publication Critical patent/KR100391420B1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K15/00Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03Fuel tanks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00Testing of vehicles

Abstract

PURPOSE: A system for testing characteristics of fuel sender on slant road is provided to calculate characteristic values of the fuel sender by easily changing amount of fuel in a fuel tank and a tilt angle of the fuel tank without installing the fuel tank in a real car. CONSTITUTION: A system includes a fuel storage tank(210); a fuel tank(220); fuel pumps(230a,230b); fuel flow sensors(240a,240b); a fuel sender(250); a tilt control motor(260); a controller(270); and a personal computer(280). The fuel tank is connected wit the fuel storage tank. The fuel pumps are installed between the fuel storage tank and the fuel tank to deliver fuel in the fuel storage tank to the fuel tank. The fuel flow sensors are installed between the fuel storage tank and the fuel tank to detect amount of fuel delivered from the fuel storage tank the fuel tank by the fuel pumps. The fuel sensor is installed in the fuel tank to detect amount of fuel in the fuel tank. The tilt control motor is installed under the fuel tank to control tilt of the fuel tank. The controller is connected with the fuel pumps and the tilt control motor to control the fuel pumps and the tilt control motor according of fixed amount of fuel and tilt, respectively. The personal computer is connected with the fuel flow sensors and the fuel sender to detect amount of fuel and fuel sender characteristic variate based on an output resistance of the fuel flow sensors and the fuel sender, respectively, to store and output to a printer.

Description

연료 센더 경사로 특성 시험 시스템{SYSTEM FOR CHARACTOR TEST OF FUEL SENDER AT LAND SLOPES}Fuel sender ramp characteristic test system {SYSTEM FOR CHARACTOR TEST OF FUEL SENDER AT LAND SLOPES}

본 발명은 자동차의 연료탱크내에 있는 연료의 양을 측정하는 경사로 특성 시험에 관한 것으로, 특히 경사로의 기울기와 연료량을 용이하게 조절하여 측정할 수 있는 연료 센더 경사로 특성 시험 시스템에 관한 것이다.The present invention relates to a ramp characteristic test for measuring the amount of fuel in a fuel tank of an automobile, and more particularly to a fuel sender ramp characteristic test system which can be measured by easily adjusting the slope and the fuel amount of the ramp.

현재 승용 및 상용 전차량에는 클러스트내에 연료량을 표시해주는 게이지가 적용되어 장착되어 있다. 이 연료 게이지는 연료의 부력을 이용하여 연료탱크내의플로터가 상하로 이동함에 따른 저항값의 변화를 인지하여 그에 따른 현재 연료탱크내의 연료량을 표시해 주는 장치이다.Currently, passenger and commercial vehicles are equipped with a gauge that displays the amount of fuel in the cluster. This fuel gauge is a device that recognizes the change in resistance value as the floater in the fuel tank moves up and down by using the buoyancy of the fuel and displays the current amount of fuel in the fuel tank accordingly.

현재 이 연료 게이지를 평가할 때 실차 장착 상태에서 탱크내의 연료량에 따른 센터의 출력 저항값 및 그 저항값에 따른 연료 게이지의 지시치를 측정하고 있으며 경사 시험로에서 각 경사각에 따른 연료탱크내의 연료 변동량을 측정하고 있다.When evaluating this fuel gauge, the center output resistance value according to the amount of fuel in the tank and the indication value of the fuel gauge according to the resistance value are measured when the fuel gauge is mounted, and the fuel fluctuation amount in the fuel tank at each inclination angle is measured in the slope test path. Doing.

경사 시험로에서 각 경사각에 따른 연료탱크내의 연료 유동량을 측정할 때 차량 장착 상태에서 실제로 경사 시험로의 주행을 통해서 측정하기 때문에 경사로 주행시의 정확한 연료의 유동량을 측정하기 어렵다.When measuring the fuel flow amount in the fuel tank according to each inclination angle in the inclined test path, it is difficult to accurately measure the flow rate of fuel when driving the inclined road because the vehicle is actually measured by driving the inclined test path.

경사로 특정의 예를 들자면 우선 평지에서 차량을 정차시킨 후 연료 센더의 출력 저항값을 측정한 후 경사로에 차량을 진입시킨 후 다시 차량을 정차하고 연료 센더 값을 재차 측정하여 그 상호간의 차이를 계산하여 연료탱크내의 연료의 유동량을 측정한다.As an example of a ramp, first stop the vehicle on a flat surface, measure the output resistance of the fuel sender, enter the vehicle on the ramp, stop the vehicle again, measure the fuel sender again and calculate the difference between them. Measure the flow of fuel in the fuel tank.

하지만 이러 특정 방법은 경사로에서 연속적인 연료의 유동량을 측정할 수 없으며, 측정자가 일일이 각 경사로를 진입하여 측정하기 때문에 안전사고의 위험성을 내포하고 있을 뿐만 아니라 우천등의 외부 시험 환경에 따라 시험의 가능 여부가 결정되며 또한 이미 고정된 경사로의 유량 변동만을 측정할 수 밖에 없다는 문제점이 있으며 각 측정 포인트에 따른 유동량을 측정할 때 또 다시 측정자가 연료를 붓거나 빼가면서 위와 같은 시험 절차를 반복해야 하는 어려움이 있다.However, this particular method cannot measure the flow rate of continuous fuel on the ramp, and because the measurer enters and measures each ramp individually, it not only implies the risk of safety accidents, but also can test according to the external test environment such as rainy weather. Also, there is a problem that only the fluctuation of the flow rate of the fixed ramp is measured, and the difficulty of repeating the above test procedure while the fuel is poured or drained again when measuring the flow amount according to each measuring point There is this.

본 발명은 전술한 바와 같은 문제점을 해결하기 위하여 안출한 것으로서, 연료탱크를 실차에 장착하지 않고 연료탱크내의 연료량과 연료탱크의 경사각을 용이하게 가변시켜 경사로에서 연료 센더의 특성값을 얻을 수 있는 연료 센더 경사로 특성 시험 시스템을 제공함에 있다.The present invention has been made to solve the above-described problems, the fuel which can easily vary the amount of fuel in the fuel tank and the inclination angle of the fuel tank without mounting the fuel tank in the actual vehicle to obtain the characteristic value of the fuel sender in the ramp It is to provide a Sender ramp characteristic test system.

상기의 목적을 달성하기 위하여 연료저장탱크와; 상기 연료저장탱크와 연결되는 연료탱크와; 상기 연료저장탱크와 연료탱크 사이에 설치되어 연료저장탱크의 연료를 연료탱크로 송출하는 연료펌프와; 상기 연료저장탱크와 연료탱크 사이에 설치되어 상기 연료펌프에 의해서 연료저장탱크에서 연료탱크로 송출되는 연료량을 감지하는 연료흐름센서와; 상기 연료탱크내에 설치되어 연료탱크의 연료량을 감지하는 연료 센더와; 상기 연료탱크의 하부에 설치되어 연료탱크의 기울기를 조정하는 기울기 조정 모터와; 상기 연료펌프와 기울기 조정모터와 연결되어 설정된 연료량에 따라 연료펌프를 제어하고, 설정된 경사각에 따라 기울기 조정 모터를 제어하는 컨트롤러와; 상기 연료흐름센서와 연료 센더에 연결되고, 연료흐름센서의 출력 저항값을 입력받아 검출된 연료량과 연료 센더의 출력 저항값을 입력받아 검출된 연료 센더 특성 변화값을 저장 및 프린터 출력하는 피씨(PC)를 포함하여 이루어진 것을 특징으로 하는 연료 센더 경사로 특성 시험 시스템을 제공한다.A fuel storage tank to achieve the above object; A fuel tank connected to the fuel storage tank; A fuel pump installed between the fuel storage tank and the fuel tank to deliver fuel from the fuel storage tank to the fuel tank; A fuel flow sensor installed between the fuel storage tank and the fuel tank to sense an amount of fuel sent from the fuel storage tank to the fuel tank by the fuel pump; A fuel sender installed in the fuel tank to sense a fuel amount of the fuel tank; A tilt adjusting motor installed at a lower portion of the fuel tank to adjust a tilt of the fuel tank; A controller connected to the fuel pump and the tilt adjusting motor to control the fuel pump according to the set amount of fuel and to control the tilt adjusting motor according to the set tilt angle; PC which is connected to the fuel flow sensor and the fuel sender, receives the output resistance value of the fuel flow sensor, receives the detected fuel amount and the output resistance value of the fuel sender, and stores the detected fuel sender characteristic change value and outputs the printer (PC). It provides a fuel sender ramp characteristics test system, characterized in that consisting of.

또한, 본 발명은 상기 연료탱크에서 연료저장탱크로 송출되는 송출 라인을 추가로 연결하고, 상기 라인에 연료탱크에서 연료저장탱크로 연료를 송출시키는 연료펌프와; 상기 연료탱크와 연료저장탱크 사이에 연료탱크로부터 연료저장탱크로 송출되는 연료량을 감지할 수 있는 연료흐름센서가 더 포함된 것을 특징으로 하는연료 센더 경사로 특성 시험 시스템을 제공한다.In addition, the present invention further comprises a fuel pump for connecting the delivery line to be sent from the fuel tank to the fuel storage tank, the fuel pump to send the fuel from the fuel tank to the fuel storage tank; It provides a fuel sender ramp characteristics test system further comprises a fuel flow sensor for sensing the amount of fuel sent from the fuel tank to the fuel storage tank between the fuel tank and the fuel storage tank.

도 1은 본 발명의 연료 센더 경사로 특성 시험 시스템의 구성도이다.1 is a configuration diagram of a fuel sender ramp characteristic test system of the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

210 : 연료 저장용 탱크 220 : 연료탱크210: fuel storage tank 220: fuel tank

230a : 연료펌프 230b : 연료펌프230a: fuel pump 230b: fuel pump

240a : 연료흐름센서 240b : 연료흐름센서240a: fuel flow sensor 240b: fuel flow sensor

250 : 연료 센더 260 : 기울기 조정 모터250: fuel sender 260: tilt adjustment motor

270 : 콘트롤러 280 : PC(Personal Computer)270: controller 280: PC (Personal Computer)

이하, 첨부된 도면을 참조하여 본 발명의 일 실시예를 상세히 설명하면 다음과 같다.Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 따른 연료 센더 경사로 특성 시험 시스템의 구성도이다.1 is a block diagram of a fuel sender ramp characteristics test system according to the present invention.

본 발명은 연료저장탱크(210), 연료탱크(220), 연료펌프(230a,230b), 연료흐름센서(240a,240b), 기울기 조정 모터(260)기어박스, 컨트롤러(270), PC(280)로 구성된다.The present invention is a fuel storage tank 210, fuel tank 220, fuel pumps (230a, 230b), fuel flow sensors (240a, 240b), tilt control motor 260 gearbox, controller 270, PC (280) It is composed of

연료저장탱크(210)는 차량의 연료탱크로 연료를 공급하는 공급원이기도 하며, 차량의 연료탱크(220)로부터 송출된 연료를 저장하는 연료 저장용 탱크이기도 하다.The fuel storage tank 210 is also a supply source for supplying fuel to the fuel tank of the vehicle, and is also a fuel storage tank for storing fuel sent from the fuel tank 220 of the vehicle.

연료탱크(220)에는 연료 센더(250)가 설치되어 있어 측정하고자 하는 유량 및 경사각을 셋팅하면 그때그때 유량의 변동에 따른 연료 센더(250)의 출력 저항값은 PC(280)로 입력되어 데이터화된다. 이 데이터들은 PC의 메모리에 저장되거나 프린팅 된다.A fuel sender 250 is installed in the fuel tank 220. When the flow rate and the inclination angle to be measured are set, the output resistance value of the fuel sender 250 according to the change in the flow rate is inputted to the PC 280 and dataized. . These data are stored or printed in the PC's memory.

연료흐름센서(240a,240b)는 연료저장탱크(210)에서 연료탱크(220)로 송출되는 라인과 연료탱크(220)에서 연료저장탱크(210)로 송출되는 라인에 각각 설치되어 연료저장탱크(210)에서 연료탱크(220)로 송출되는 연료량과 연료탱크(220)에서 연료저장탱크(210)로 송출되는 연료량을 감지하며, 여기서 감지된 저항값은 PC에 입력되어 데이터화된다.The fuel flow sensors 240a and 240b are respectively installed in the line sent from the fuel storage tank 210 to the fuel tank 220 and the line sent from the fuel tank 220 to the fuel storage tank 210. The amount of fuel sent to the fuel tank 220 from the fuel tank 220 and the amount of fuel sent from the fuel tank 220 to the fuel storage tank 210 is sensed, and the sensed resistance value is input to the PC to be data.

연료펌프(230a)는 연료저장탱크(210)에서 연료탱크(220)로 송출되는 라인에 설치된 연료흐름센서(240a)와 연료저장탱크(210) 사이에 설치되어 연료저장탱크(210)의 연료를 연료탱크(220)로 송출시키고, 또한, 연료펌프(230b)는 연료탱크(220)에서 연료저장탱크(210)로 송출되는 라인에 설치된 연료흐름센서(240b)와 연료탱크(210) 사이에 설치되어 연료탱크(220)의 연료를 연료저장탱크(210)로 송출시키며, 각각의 연료펌프(230a,230b)는 컨트롤러(270)에 의해 제어된다.The fuel pump 230a is installed between the fuel flow sensor 240a and the fuel storage tank 210 installed in the line sent from the fuel storage tank 210 to the fuel tank 220 to supply the fuel of the fuel storage tank 210. It is sent to the fuel tank 220, and the fuel pump 230b is installed between the fuel flow sensor 240b and the fuel tank 210 installed in the line sent from the fuel tank 220 to the fuel storage tank 210. Then, the fuel of the fuel tank 220 is discharged to the fuel storage tank 210, and each fuel pump 230a, 230b is controlled by the controller 270.

기울기 조절 모터(260)는 연료탱크(220)의 하부에 설치되어 사용자가 원하는 기울기 만큼 1도의 변화폭까지 조절이 가능하다.The inclination adjustment motor 260 is installed at the lower portion of the fuel tank 220 and can be adjusted up to a degree of change by one degree as desired by the user.

전술한 바와 같은 시스템의 작동은 컨트롤러(270)에서 연료탱크(220)의 경사각과 연료량을 설정하고 작동시키면 기울기 조정모터(260) 의해 경사각이 셋팅되고, 연료저장탱크(210)의 연료는 연료펌프(220)에 의해 연료탱크(220)로 연료가 송출된다.In the operation of the system as described above, the inclination angle is set by the inclination adjustment motor 260 when the controller 270 sets the inclination angle and the fuel amount of the fuel tank 220, and the fuel of the fuel storage tank 210 is the fuel pump. Fuel is sent to the fuel tank 220 by 220.

연료펌프(230a)에서 송출되는 연료가 설정값이 되면 컨트롤러(270)에 의해 연료펌프(230a)의 작동이 제어되어 더 이상의 연료의 송출은 차단된다. 이때 연료저장탱크(210)에서 연료탱크(220)로 송출되는 연료는 연료흐름센서(240a)에 의해 감지되어 연료탱크(220) 내의 잔존 연료량이 PC(280)로 입력되어 진다.When the fuel discharged from the fuel pump 230a reaches a set value, the operation of the fuel pump 230a is controlled by the controller 270 so that further fuel delivery is blocked. At this time, the fuel sent from the fuel storage tank 210 to the fuel tank 220 is sensed by the fuel flow sensor 240a and the remaining fuel amount in the fuel tank 220 is input to the PC 280.

연료탱크(220)로 송출된 연료는 연료탱크(220)의 경사각에 따라 연료탱크(220) 내에 설치된 연료 센더(250)에 의해서 그 출력 저항값이 PC(280)로 입력된다.The fuel sent to the fuel tank 220 is inputted to the PC 280 by the fuel sender 250 installed in the fuel tank 220 according to the inclination angle of the fuel tank 220.

PC로 입력된 출력 저항값은 연산되어 데이터화되고, 이 데이터들은 PC의 메모리에 저장 및 프린터로 출력된다.The output resistance value input to the PC is calculated and converted into data, and these data are stored in the memory of the PC and output to the printer.

연료탱크(220)내의 연료량을 고정하고 경사각의 변화에 따른 연료 센더의 특성 시험을 할 때에는 컨트롤러(270)에 의해 기울기 조정모터(260)를 제어하여 각 기울기별로 연료 센더(250)의 출력 저항값을 측정하면 되고, 경사각을 고정하고 연료량의 변화에 따른 연료 센더(250)의 특성 시험을 할 때에는 연료펌프(230a)를 제어하여 ㎖ 단위까지 각 유량에 따른 연료 센더(250)의 출력 저항값을 측정하면 된다.When the amount of fuel in the fuel tank 220 is fixed and the characteristic test of the fuel sender according to the change of the inclination angle is performed, the tilt adjustment motor 260 is controlled by the controller 270 to output the output resistance value of the fuel sender 250 for each inclination. When the inclination angle is fixed and the characteristic test of the fuel sender 250 according to the change of the fuel amount is performed, the fuel pump 230a is controlled to output the output resistance value of the fuel sender 250 according to each flow rate up to ml. You can measure it.

반대로 연료탱크(220)내에 충만된 연료를 연료저장탱크(210)로 송출하면서 경사로 특성 시험을 할 때에는 연료펌프(230b)와 연료흐름센서(240b)에 의해 연료량을 제어하고, 경사 각도의 조절은 상기한 바와 같이, 기울기 조절 모터(260)를 이용한다.On the contrary, when the ramp characteristic test is carried out while sending the fuel filled in the fuel tank 220 to the fuel storage tank 210, the fuel amount is controlled by the fuel pump 230b and the fuel flow sensor 240b, and the inclination angle is adjusted. As described above, the tilt adjustment motor 260 is used.

전술한 바와 같이 본 발명에 따른 연료 센더 경사로 특성 시험 시스템에 의하면, 연료량 고정시 각 기울기별 연료 센더의 특성값을 용이하게 측정할 수 있고, 기울기 고정시 각 연료량의 변화에 따른 각 연료량의 변화에 따른 연료 센더의 특성값을 용이하게 측정할 수 있을 뿐만 아니라 평지에서의 연료 센더 특성 시험에도 이용할 수 있다. 따라서 종래와 같이 평가자가 일일이 비이커를 이용하여 연료를 유입/유출해야 하는 번거로움을 단순화 할 수 있고, 특성 시험 시간도 단축할 수 있다.As described above, according to the fuel sender slope characteristic test system according to the present invention, it is possible to easily measure the characteristic value of the fuel sender for each slope when the fuel amount is fixed, and to change the amount of each fuel according to the change of each fuel amount when the slope is fixed. Not only can the characteristic value of the fuel sender be measured easily, but it can also be used for the fuel sender characteristic test on the plain. Therefore, as in the prior art, the evaluator can simplify the hassle of injecting / outflowing fuel by using a beaker and can also shorten the characteristic test time.

Claims (2)

연료저장탱크와; 상기 연료저장탱크와 연결되는 연료탱크와; 상기 연료저장탱크와 연료탱크 사이에 설치되어 연료저장탱크의 연료를 연료탱크로 송출하는 연료펌프와; 상기 연료저장탱크와 연료탱크 사이에 설치되어 상기 연료펌프에 의해서 연료저장탱크에서 연료탱크로 송출되는 연료량을 감지하는 연료흐름센서와; 상기 연료탱크내에 설치되어 연료탱크의 연료량을 감지하는 연료 센더와; 상기 연료탱크의 하부에 설치되어 연료탱크의 기울기를 조정하는 기울기 조정모터와; 상기 연료펌프와 기울기 조정모터와 연결되어 설정된 연료량에 따라 연료펌프를 제어하고, 설정된 경사각에 따라 기울기 조정모터를 제어하는 컨트롤러와; 상기 연료흐름센서와 연료 센더에 연결되고, 연료흐름센서의 출력 저항값을 입력받아 검출된 연료량과 연료 센더의 출력 저항값을 입력받아 검출된 연료 센더 특성 변화값을 저장 및 프린터 출력하는 피씨(PC)를 포함하여 이루어진 것을 특징으로 하는 연료 센더 경사로 특성 시험 시스템.A fuel storage tank; A fuel tank connected to the fuel storage tank; A fuel pump installed between the fuel storage tank and the fuel tank to deliver fuel from the fuel storage tank to the fuel tank; A fuel flow sensor installed between the fuel storage tank and the fuel tank to sense an amount of fuel sent from the fuel storage tank to the fuel tank by the fuel pump; A fuel sender installed in the fuel tank to sense a fuel amount of the fuel tank; A tilt adjusting motor installed at a lower portion of the fuel tank to adjust a tilt of the fuel tank; A controller connected to the fuel pump and the inclination adjustment motor to control the fuel pump according to the set amount of fuel and to control the inclination adjustment motor according to the set inclination angle; PC which is connected to the fuel flow sensor and the fuel sender, receives the output resistance value of the fuel flow sensor, receives the detected fuel amount and the output resistance value of the fuel sender, and stores the detected fuel sender characteristic change value and outputs the printer (PC). Fuel sender ramp characteristics test system, characterized in that consisting of. 제1항에 있어서, 상기 연료탱크에서 연료저장탱크로 송출되는 송출 라인을 추가로 연결하고, 상기 라인에 연료탱크에서 연료저장탱크로 연료를 송출시키는 연료펌프와; 상기 연료탱크와 연료저장탱크 사이에 연료탱크로부터 연료저장탱크로 송출되는 연료량을 감지할 수 있는 연료흐름센서가 더 포함된 것을 특징으로 하는 연료 센더 경사로 특성 시험 시스템.The fuel pump of claim 1, further comprising: a fuel pump for connecting a delivery line sent from the fuel tank to the fuel storage tank, and sending fuel from the fuel tank to the fuel storage tank; And a fuel flow sensor for detecting an amount of fuel sent from the fuel tank to the fuel storage tank between the fuel tank and the fuel storage tank.
KR10-2000-0067941A 2000-11-16 2000-11-16 System for charactor test of fuel sender at land slopes KR100391420B1 (en)

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CN103323219A (en) * 2012-03-21 2013-09-25 北京航空航天大学 Onboard fuel tank deactivation overall performance testing system
GB2489605B (en) * 2011-03-31 2015-12-23 Porsche Ag Test stand and a method for use in determining potential failure situations
KR20180057055A (en) * 2016-11-21 2018-05-30 한국표준과학연구원 The evaluation system and method for flowmeter
KR20210147286A (en) * 2020-05-28 2021-12-07 주식회사화신 Injection test device for fuel tank

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JP3445317B2 (en) * 1993-08-05 2003-09-08 サントリー株式会社 Level gauge failure detection method and apparatus
KR20010036122A (en) * 1999-10-06 2001-05-07 이계안 Quality testing device of fuel sender
JP2001249045A (en) * 2000-03-06 2001-09-14 Showa Kiki Kogyo Co Ltd Level-gage monitoring device and level gage equipped with level monitoring function

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GB2489605B (en) * 2011-03-31 2015-12-23 Porsche Ag Test stand and a method for use in determining potential failure situations
CN103323219A (en) * 2012-03-21 2013-09-25 北京航空航天大学 Onboard fuel tank deactivation overall performance testing system
CN103323219B (en) * 2012-03-21 2017-02-08 北京航空航天大学 Onboard fuel tank deactivation overall performance testing system
KR20180057055A (en) * 2016-11-21 2018-05-30 한국표준과학연구원 The evaluation system and method for flowmeter
KR20210147286A (en) * 2020-05-28 2021-12-07 주식회사화신 Injection test device for fuel tank

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