KR20200113332A - Oil pump performance inspection system - Google Patents

Oil pump performance inspection system Download PDF

Info

Publication number
KR20200113332A
KR20200113332A KR1020190033325A KR20190033325A KR20200113332A KR 20200113332 A KR20200113332 A KR 20200113332A KR 1020190033325 A KR1020190033325 A KR 1020190033325A KR 20190033325 A KR20190033325 A KR 20190033325A KR 20200113332 A KR20200113332 A KR 20200113332A
Authority
KR
South Korea
Prior art keywords
oil
oil pump
unit
control unit
inspection system
Prior art date
Application number
KR1020190033325A
Other languages
Korean (ko)
Inventor
이상우
Original Assignee
주식회사홍성엔지니어링
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 주식회사홍성엔지니어링 filed Critical 주식회사홍성엔지니어링
Priority to KR1020190033325A priority Critical patent/KR20200113332A/en
Publication of KR20200113332A publication Critical patent/KR20200113332A/en

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B51/00—Testing machines, pumps, or pumping installations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2210/00—Working fluid
    • F05B2210/10—Kind or type
    • F05B2210/11—Kind or type liquid, i.e. incompressible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/83—Testing, e.g. methods, components or tools therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

The present invention relates to an oil pump performance inspection system. According to the present invention, an inspection process can be quickly and accurately performed by detecting an oil pump output standard oil movement value using an oil circulation cycle through an injection port and a discharge port of an oil pump and processing the value into a defect if the value is less than a reference value set in a control unit. For the above, the oil pump performance inspection system comprises a clamp unit (10), an inspection jig (20), an oil supply line (30), an oil discharge line (40), the control unit (50), a filter unit (60), and a flow sensor unit (70).

Description

오일펌프 성능 검사 시스템 {Oil pump performance inspection system}Oil pump performance inspection system

본 발명은 오일펌프 성능 검사 시스템에 관련되며, 보다 상세하게는 오일펌프의 주입포트와 토출포트를 통한 오일 순환사이클을 이용하여 오일펌프 출력 기준 오일 이동량 값을 검출하여 제어부에 설정된 기준 값 대비 미달할 경우 불량처리하는 방식으로 검사과정을 신속 정확하게 수행하는 오일펌프 성능 검사 시스템에 관한 것이다.The present invention relates to an oil pump performance inspection system, and in more detail, the oil pump output reference oil movement value is detected using an oil circulation cycle through an injection port and a discharge port of the oil pump and is less than the reference value set in the control unit. It relates to an oil pump performance inspection system that quickly and accurately performs an inspection process in a manner that treats defects in cases.

일반적으로 엔진의 오일은 오일펌프에 의해 오일팬으로부터 필터를 거쳐서 기관의 각 윤활부로 공급되는데 윤활유 순환회로 내에는 릴리프밸브가 설치되어 유압이 위험수준까지 상승하는 것을 방지한다. 또한 기관의 각 윤활부에 도달한 윤활유는 윤활을 마친 다음 다시 오일팬으로 회수된다.In general, the oil of the engine is supplied to each lubrication part of the engine through the filter from the oil fan by the oil pump, and a relief valve is installed in the lubricating oil circulation circuit to prevent the hydraulic pressure from rising to a dangerous level. In addition, the lubricating oil that reaches each lubrication part of the engine is returned to the oil pan after lubricating.

이러한 오일을 순환되도록 하는 오일펌프는 순환시 윤활부에 작용하는 오일의 압력, 과열 및 냉각, 오일의 유량 등의 변수에 적당한 사양으로 설계되어야 하므로, 이를 검사할 성능검사장치의 개발이 시급한 실정이다.The oil pump that allows such oil to circulate must be designed with specifications suitable for variables such as oil pressure, overheating and cooling, and oil flow rate acting on the lubricating part during circulation, so the development of a performance inspection device to test this is urgently needed. .

이에 종래에 개시된 특허등록번호 10-1563843호에서, 오일펌프를 안착하기 위해 안착대를 갖는 바디, 이 오일펌프를 가동하기 위해 구동력을 전달하는 구동유닛, 가동되는 오일펌프에 공급되는 오일을 저장하는 오일탱크, 이 오일펌프로부터 펌핑된 오일을 회수하는 회수탱크, 및 이 오일탱크에서 오일펌프로 공급되는 오일의 양과 회수탱크로 회수되는 오일의 양을 비교 검출하는 검출부로 구성되는 기술이 선 등록된바 있다.Accordingly, in Patent Registration No. 10-1563843 disclosed in the prior art, a body having a seating table for seating an oil pump, a drive unit transmitting driving force to operate the oil pump, and storing oil supplied to the operated oil pump. A technology consisting of an oil tank, a recovery tank that recovers the oil pumped from this oil pump, and a detection unit that compares and detects the amount of oil supplied from the oil tank to the oil pump and the amount of oil recovered to the recovery tank is previously registered. There is a bar.

그러나, 상기 종래기술은 오일펌프를 장착한 후 설정시간동안 펌핑되는 오일량을 비교 판단하는 설비를 통해 오일 펌핑량의 정상 여부를 확인하는 기술이나, 오일탱크에서 오일펌프로 공급되는 오일의 양과 상기 회수탱크로 회수되는 오일의 양을 비교 검출하기 위해서는 많은 양의 오일을 필요로 하고, 이로 인해 검사장비 사이즈가 증가됨과 더불어 검사시간 지연 및 정확도가 떨어지는 폐단이 따랐다. However, the prior art is a technology that checks whether the oil pumping amount is normal through a facility that compares and determines the amount of oil pumped for a set time after mounting the oil pump, but the amount of oil supplied from the oil tank to the oil pump and the above In order to compare and detect the amount of oil returned to the recovery tank, a large amount of oil was required, and this resulted in an increase in the size of the inspection equipment, as well as a delay in inspection time and poor accuracy.

이에 따라 본 발명은 상기한 문제점을 해결하기 위해 착안 된 것으로서, 오일펌프의 주입포트와 토출포트를 통한 오일 순환사이클을 이용하여 오일펌프 출력 기준 오일 이동량 값을 검출하여 제어부에 설정된 기준 값 대비 미달할 경우 불량처리하는 방식으로 검사과정을 신속 정확하게 수행하는 오일펌프 성능 검사 시스템을 제공하는 것에 그 목적이 있다.Accordingly, the present invention was conceived to solve the above-described problem, and it is less than the reference value set in the control unit by detecting the oil pump output reference oil movement value using the oil circulation cycle through the injection port and the discharge port of the oil pump. Its purpose is to provide an oil pump performance inspection system that quickly and accurately performs an inspection process in a manner that treats defects in cases.

이러한 목적을 달성하기 위해 본 발명의 특징은, 오일 주입포트(110)와 오일 토출포트(120) 및 컨트롤단자(130)가 구비되는 오일펌프(100)를 검사지그(20) 상으로 로딩/언로딩하는 클램프유니트(10); 상기 오일 주입포트(110)에 연결되어, 크린탱크(32)에 저장된 오일을 공급하도록 구비되는 오일공급라인(30); 상기 오일 토출포트(120)에 연결되어, 토출되는 오일을 저장하도록 더티탱크(42)가 구비되는 오일배출라인(40); 상기 컨트롤단자(130)에 연결되는 컨트롤케이블을 통하여 오일펌프(100) 작동을 제어하는 제어부(50); 상기 더티탱크(42)에 저장된 오일을 여과하여 크린탱크(32)로 전달하는 필터부(60); 및 상기 오일공급라인(30) 또는 오일배출라인(40)에 설치되어 오일 이동량을 측정하는 유량센서부(70);를 포함하여 이루어지고, 상기 제어부(50)에서 오일펌프(100)를 on작동하고, 오일펌프(100) 출력 기준 유량센서부(70)를 통한 오일 이동량 값을 검출하여, 오일 이동량 값이 제어부(50)에 설정된 기준 값 대비 미달할 경우 불량처리되도록 구비되는 것을 특징으로 한다.In order to achieve this object, a feature of the present invention is to load/unload the oil pump 100 provided with the oil injection port 110, the oil discharge port 120, and the control terminal 130 onto the inspection jig 20. Loading clamp unit 10; An oil supply line 30 connected to the oil injection port 110 and provided to supply oil stored in the clean tank 32; An oil discharge line 40 connected to the oil discharge port 120 and provided with a dirty tank 42 to store discharged oil; A control unit 50 for controlling the operation of the oil pump 100 through a control cable connected to the control terminal 130; A filter unit 60 for filtering the oil stored in the dirty tank 42 and transferring the oil to the clean tank 32; And a flow sensor unit 70 installed in the oil supply line 30 or the oil discharge line 40 to measure the amount of oil movement, and the oil pump 100 is turned on by the control unit 50 And, by detecting the oil movement amount value through the output reference flow sensor unit 70 of the oil pump 100, the oil movement amount value is provided to be defective when the value is less than the reference value set in the control unit 50.

이상의 구성 및 작용에 의하면, 본 발명은 오일펌프의 주입포트와 토출포트를 통한 오일 순환사이클을 이용하여 오일펌프 출력 기준 오일 이동량 값을 검출하여 제어부에 설정된 기준 값 대비 미달할 경우 불량처리하는 방식으로 검사과정을 신속 정확하게 수행하는 효과가 있다.According to the above configuration and operation, the present invention detects an oil pump output reference oil movement amount value using an oil circulation cycle through an injection port and a discharge port of the oil pump, and handles defects when it is less than the reference value set in the control unit. There is an effect of performing the inspection process quickly and accurately.

도 1은 본 발명의 일실시예에 따른 오일펌프 성능 검사 시스템을 전체적으로 나타내는 구성도.
도 2 내지 3은 본 발명의 일실시예에 따른 오일펌프 성능 검사 시스템의 검사지그를 확대하여 나타내는 구성도.1 is a block diagram showing an overall oil pump performance inspection system according to an embodiment of the present invention.
2 to 3 are enlarged configuration diagrams showing an inspection jig of an oil pump performance inspection system according to an embodiment of the present invention.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 상세히 설명한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 일실시예에 따른 오일펌프 성능 검사 시스템을 전체적으로 나타내는 구성도이고, 도 2 내지 3은 본 발명의 일실시예에 따른 오일펌프 성능 검사 시스템의 검사지그를 확대하여 나타내는 구성도이다.1 is a block diagram showing an overall configuration of an oil pump performance inspection system according to an embodiment of the present invention, and FIGS. 2 to 3 are enlarged configuration diagrams showing an inspection jig of an oil pump performance inspection system according to an embodiment of the present invention to be.

본 발명은 오일펌프 성능 검사 시스템에 관련되며, 이때 오일펌프 성능 검사 시스템은 오일펌프의 주입포트와 토출포트를 통한 오일 순환사이클을 이용하여 오일펌프 출력 기준 오일 이동량 값을 검출하여 제어부에 설정된 기준 값 대비 미달할 경우 불량처리하는 방식으로 검사과정을 신속 정확하게 수행하기 위해 클램프유니트(10), 검사지그(20), 오일공급라인(30), 오일배출라인(40), 제어부(50), 필터부(60), 유량센서부(70)을 포함하여 주요구성으로 이루어진다.The present invention relates to an oil pump performance inspection system, wherein the oil pump performance inspection system detects an oil pump output reference oil movement value using an oil circulation cycle through an injection port and a discharge port of the oil pump, and a reference value set in the control unit. Clamp unit 10, inspection jig 20, oil supply line 30, oil discharge line 40, control unit 50, filter part It consists of a main configuration including (60), the flow sensor unit (70).

본 발명에 따른 클램프유니트(10)는 오일 주입포트(110)와 오일 토출포트(120) 및 컨트롤단자(130)가 구비되는 오일펌프(100)를 검사지그(20) 상으로 로딩/언로딩하도록 구비된다. 도 1과 같이 클램프유니트(10)는 오일펌프(100)를 클램핑하는 클램피와, 클램프를 x축, y축 및 z축 방향으로 이동 안내하는 x축 레일, y축 레일 및 z축 레일로 구성된다.The clamp unit 10 according to the present invention loads/unloads the oil pump 100 provided with the oil injection port 110, the oil discharge port 120, and the control terminal 130 onto the inspection jig 20. It is equipped. As shown in Fig. 1, the clamp unit 10 is composed of a clampee that clamps the oil pump 100, an x-axis rail, a y-axis rail, and a z-axis rail that guides the clamp to move in the x-axis, y-axis and z-axis directions. do.

그리고, 상기 검사지그(20)는 오일펌프(100) 모델에 따른 오일 주입포트(110)와 오일 토출포트(120) 위치에 대응하도록 후술하는 오일공급라인(30), 오일배출라인(40)이 배치된다. In addition, the inspection jig 20 includes an oil supply line 30 and an oil discharge line 40 to be described later to correspond to the positions of the oil injection port 110 and the oil discharge port 120 according to the model of the oil pump 100. Is placed.

또한, 본 발명에 따른 오일공급라인(30)은 상기 오일 주입포트(110)에 연결되어, 크린탱크(32)에 저장된 오일을 공급하도록 구비된다. 그리고 오일공급라인(30) 단부에는 밸브가 구비되어 오일 공급이 on/off 제어된다.In addition, the oil supply line 30 according to the present invention is connected to the oil injection port 110 and is provided to supply the oil stored in the clean tank 32. In addition, a valve is provided at the end of the oil supply line 30 to control on/off oil supply.

또한, 본 발명에 따른 오일배출라인(40)은 상기 오일 토출포트(120)에 연결되어, 토출되는 오일을 저장하도록 더티탱크(42)가 구비된다. 오일배출라인(40) 단부에는 밸브가 구비되어 오일 배출이 on/off 제어된다.In addition, the oil discharge line 40 according to the present invention is connected to the oil discharge port 120, and a dirty tank 42 is provided to store the discharged oil. A valve is provided at the end of the oil discharge line 40 to control the oil discharge on/off.

또한, 본 발명에 따른 제어부(50)는 상기 컨트롤단자(130)에 연결되는 컨트롤케이블을 통하여 오일펌프(100) 작동을 제어하도록 구비된다. 컨트롤케이블은 도면을 통하여 도시하지 않았지만, 오일펌프(100) 기종별 컨트롤단자(130)에 적용되도록 다양한 타입으로 준비되어, 오일펌프(100)가 검사지그(20)에 로딩되면 컨트롤케이블을 컨트롤단자(130)에 체결하게 된다.In addition, the control unit 50 according to the present invention is provided to control the operation of the oil pump 100 through a control cable connected to the control terminal 130. Although the control cable is not shown through the drawing, it is prepared in various types to be applied to the control terminal 130 for each type of the oil pump 100, and when the oil pump 100 is loaded into the inspection jig 20, the control cable is connected to the control terminal. It is concluded at (130).

또한, 본 발명에 따른 필터부(60)는 상기 더티탱크(42)에 저장된 오일을 여과하여 크린탱크(32)로 전달하도록 구비된다. 필터부(60)는 필터에 의해 오일을 여과하는 구성으로, 필터부(60) 주입구는 더티탱크(42)와 연결되고, 필터부(60) 배출구는 크린탱크(32)와 연결된다.In addition, the filter unit 60 according to the present invention is provided to filter the oil stored in the dirty tank 42 and deliver it to the clean tank 32. The filter unit 60 is configured to filter oil by a filter, and the filter unit 60 inlet port is connected to the dirty tank 42, and the filter unit 60 outlet port is connected to the clean tank 32.

이에 상기 크린탱크(32)에 저장된 오일이 오일펌프(100)를 거쳐 더티탱크(42)로 저장되고, 더티탱크(42)에 저장된 오일은 필터부(60)를 거쳐 여과된 상태로 크린탱크(32)로 전달되어 순환되는 구조를 가지므로, 소량의 오일을 이용하여 오일펌프(100)를 검사 가능한 이점이 있다. Accordingly, the oil stored in the clean tank 32 is stored in the dirty tank 42 through the oil pump 100, and the oil stored in the dirty tank 42 is filtered through the filter unit 60, and the clean tank ( Since it has a structure that is transmitted and circulated to 32), there is an advantage that the oil pump 100 can be inspected using a small amount of oil.

또한, 상기 유량센서부(70)는 오일공급라인(30) 또는 오일배출라인(40)에 설치되어 오일 이동량을 측정하도록 구비된다.In addition, the flow sensor unit 70 is installed in the oil supply line 30 or the oil discharge line 40 to measure the amount of oil movement.

즉, 상기 제어부(50)에서 오일펌프(100)를 on작동하고, 오일펌프(100) 출력 기준 유량센서부(70)를 통한 오일 이동량 값을 검출하여, 오일 이동량 값이 제어부(50)에 설정된 기준 값 대비 미달할 경우 불량처리하도록 구비된다. 일예로서 오일펌프(100)는 제어부(50)에서 10bar, 7L출력을 가지도록 설정되어 검사가 시작되고, 유량센서부(70)를 통하여 검출된 값이 7L 미만으로 검출되면 NG처리되어 별도의 컨베이어로 배출되고, 7L이상으로 검출되면 양품으로 별도의 펀칭기에 의해 마킹처리된 후 배출된다. That is, the control unit 50 operates the oil pump 100 on and detects the oil movement amount value through the oil pump 100 output reference flow rate sensor unit 70, and the oil movement amount value is set in the control unit 50. If it is less than the reference value, it is provided to treat it as a defect. As an example, the oil pump 100 is set to have an output of 10 bar and 7L by the control unit 50 to start inspection, and when the value detected through the flow sensor unit 70 is less than 7L, NG is processed and a separate conveyor It is discharged as a product and is discharged after being marked with a separate punching machine as a good product if it is detected above 7L.

10: 클램프유니트 20: 검사지그
30: 오일공급라인 40: 오일배출라인
50: 제어부 60: 필터부
70: 유량센서부10: clamp unit 20: inspection jig
30: oil supply line 40: oil discharge line
50: control unit 60: filter unit
70: flow sensor unit

Claims (1)

오일 주입포트(110)와 오일 토출포트(120) 및 컨트롤단자(130)가 구비되는 오일펌프(100)를 검사지그(20) 상으로 로딩/언로딩하는 클램프유니트(10);
상기 오일 주입포트(110)에 연결되어, 크린탱크(32)에 저장된 오일을 공급하도록 구비되는 오일공급라인(30);
상기 오일 토출포트(120)에 연결되어, 토출되는 오일을 저장하도록 더티탱크(42)가 구비되는 오일배출라인(40);
상기 컨트롤단자(130)에 연결되는 컨트롤케이블을 통하여 오일펌프(100) 작동을 제어하는 제어부(50);
상기 더티탱크(42)에 저장된 오일을 여과하여 크린탱크(32)로 전달하는 필터부(60); 및
상기 오일공급라인(30) 또는 오일배출라인(40)에 설치되어 오일 이동량을 측정하는 유량센서부(70);를 포함하여 이루어지고,
상기 제어부(50)에서 오일펌프(100)를 on작동하고, 오일펌프(100) 출력 기준 유량센서부(70)를 통한 오일 이동량 값을 검출하여, 오일 이동량 값이 제어부(50)에 설정된 기준 값 대비 미달할 경우 불량처리하도록 구비되는 것을 특징으로 하는 오일펌프 성능 검사 시스템.
A clamp unit 10 for loading/unloading the oil pump 100 provided with the oil injection port 110, the oil discharge port 120, and the control terminal 130 onto the inspection jig 20;
An oil supply line 30 connected to the oil injection port 110 and provided to supply oil stored in the clean tank 32;
An oil discharge line 40 connected to the oil discharge port 120 and provided with a dirty tank 42 to store discharged oil;
A control unit 50 for controlling the operation of the oil pump 100 through a control cable connected to the control terminal 130;
A filter unit 60 for filtering the oil stored in the dirty tank 42 and transferring the oil to the clean tank 32; And
Containing a flow sensor unit 70 installed in the oil supply line 30 or the oil discharge line 40 to measure the amount of oil movement,
The control unit 50 operates the oil pump 100 on and detects the oil movement amount value through the oil pump 100 output reference flow sensor unit 70, and the oil movement amount value is a reference value set in the control unit 50 Oil pump performance inspection system, characterized in that provided to deal with defects when the contrast is insufficient.
KR1020190033325A 2019-03-25 2019-03-25 Oil pump performance inspection system KR20200113332A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020190033325A KR20200113332A (en) 2019-03-25 2019-03-25 Oil pump performance inspection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020190033325A KR20200113332A (en) 2019-03-25 2019-03-25 Oil pump performance inspection system

Publications (1)

Publication Number Publication Date
KR20200113332A true KR20200113332A (en) 2020-10-07

Family

ID=72883961

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020190033325A KR20200113332A (en) 2019-03-25 2019-03-25 Oil pump performance inspection system

Country Status (1)

Country Link
KR (1) KR20200113332A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108591042A (en) * 2018-04-28 2018-09-28 珠海嵘泰有色金属铸造有限公司 Integrated automobile fuel pump on-line checking equipment
WO2022050731A1 (en) 2020-09-04 2022-03-10 주식회사 엘지에너지솔루션 Battery module, battery pack, and vehicle
CN118148903A (en) * 2024-02-23 2024-06-07 武汉理工大学 Automobile electronic water pump performance detection system and detection method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108591042A (en) * 2018-04-28 2018-09-28 珠海嵘泰有色金属铸造有限公司 Integrated automobile fuel pump on-line checking equipment
CN108591042B (en) * 2018-04-28 2022-07-05 珠海嵘泰有色金属铸造有限公司 Integrated online detection device for automobile oil pump
WO2022050731A1 (en) 2020-09-04 2022-03-10 주식회사 엘지에너지솔루션 Battery module, battery pack, and vehicle
CN118148903A (en) * 2024-02-23 2024-06-07 武汉理工大学 Automobile electronic water pump performance detection system and detection method

Similar Documents

Publication Publication Date Title
KR20200113332A (en) Oil pump performance inspection system
KR20100036219A (en) Suction sensor controller and suction-conveyance device using the same
US20150218990A1 (en) Diesel exhaust fluid filter permeability detection strategy and machine using same
KR101620828B1 (en) Testing apparatus for test part using contaminated fluid
KR102271316B1 (en) Testing apparatus for control valve of fuel injection valve
JP7091757B2 (en) Abnormality diagnosis device and abnormality diagnosis method
US6213173B1 (en) Engine air purge apparatus and method
US9097245B2 (en) Method and device for refilling and checking the leak-tightness of a fuel injector
WO2019181995A1 (en) Error diagnosis device and error diagnosis method
CN1719033A (en) Compressor
KR101493861B1 (en) System for circulating the oil
US10400721B2 (en) Additional fuel filtration on demand
CN103334903A (en) On-line cleaning method for oil injection compressor lubricating oil and system thereof
DE3937216A1 (en) System for cutting fluid application in machining - has high pressure pump fed from charging pump to avoid entrapment of air
JP4148005B2 (en) Fluid supply component inspection method and inspection apparatus
CN106990674B (en) Photoresist supply device
JP5804639B2 (en) Fuel leak detection method and common rail fuel injection control device
CN103758828A (en) Dialysis maintenance device
CN203702747U (en) Dialysis maintenance device
KR101384335B1 (en) Performance test apparatus and method of oiljet for vehicle
JP2509646B2 (en) Abnormality monitoring device for hydraulic pressure generation equipment
CN111977604B (en) Automatic vacuum purification and oil filling equipment
JP2017118695A (en) Abnormality determination system
JP7309532B2 (en) Anomaly detector
KR100470264B1 (en) Tester for sensing leak of pressure and vacuum