Valve test apparatus and methods for testing a solenoid valve or a venturi valve
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01N-027/00
G01L-013/00
출원번호
US-0490128
(2006-07-21)
등록번호
US-7401494
(2008-07-22)
우선권정보
KR-10-2005-0070691(2005-08-02)
발명자
/ 주소
Kim,Soo Min
Eum,Ho Sung
Cho,Jang Wan
출원인 / 주소
Samsung Electronics Co., Ltd.
대리인 / 주소
Harness, Dickey & Pierce, P.L.C.
인용정보
피인용 횟수 :
1인용 특허 :
12
초록▼
A valve test apparatus, a solenoid valve test method and a venturi valve test method are provided. The valve test apparatus may include a gas supply unit, a solenoid valve holding unit, a first measurement unit, a venturi valve holding unit, a second measurement unit, a timer unit and/or a power sup
A valve test apparatus, a solenoid valve test method and a venturi valve test method are provided. The valve test apparatus may include a gas supply unit, a solenoid valve holding unit, a first measurement unit, a venturi valve holding unit, a second measurement unit, a timer unit and/or a power supply unit. The solenoid valve holding unit may be connected to one end of the gas supply unit. The first measurement unit may be connected to the solenoid valve holding unit. The venturi valve holding unit, on which a venturi valve to be tested may be arranged. The venturi valve may be selectively connected to the solenoid valve holding unit together with the first measurement unit. The second measurement unit may be connected to the venturi valve. The timer unit may measure a time interval between when the solenoid valve is activated and when a measured value by the first measurement unit or second measurement unit is equivalent to a desired value.
대표청구항▼
What is claimed is: 1. A valve test apparatus comprising: a gas supply unit; a solenoid valve holding unit connected to one end of the gas supply unit; a first measurement unit connected to the solenoid valve holding unit; a venturi valve holding unit on which a venturi valve is arranged, the ventu
What is claimed is: 1. A valve test apparatus comprising: a gas supply unit; a solenoid valve holding unit connected to one end of the gas supply unit; a first measurement unit connected to the solenoid valve holding unit; a venturi valve holding unit on which a venturi valve is arranged, the venturi valve being selectively connected to the solenoid valve holding unit and the first measurement unit; a second measurement unit connected to the venturi valve; and a timer unit which measures a time interval between when a solenoid valve is activated and when a value measured by the first measurement unit or the second measurement unit is equivalent to a desired value. 2. The valve test apparatus of claim 1, wherein the first measurement unit is a pressure measurement unit which measures the pressure of gas discharged from the solenoid valve, as a valve to be tested, arranged on the solenoid valve holding unit; or the second measurement unit is a vacuum pressure measurement unit which measures the vacuum pressure inside the venturi valve arranged on the venturi valve holding unit when the gas discharged from the solenoid valve passes through the venturi valve, which operates normally. 3. The valve test apparatus of claim 1, wherein the second measurement unit is a vacuum pressure measurement unit which measures the vacuum pressure inside the venturi valve, as a valve to be tested, arranged on the venturi valve holding unit when the gas discharged from the solenoid valve, which operates normally, passes through the venturi valve. 4. The valve test apparatus of claim 1, wherein the gas supply unit supplies gas to the solenoid valve and regulates the pressure of the gas. 5. The valve test apparatus of claim 1, wherein the timer unit includes a timer which is set as soon as the solenoid valve is activated and a controller which controls the timer to stop when the measured value is equivalent to the desired value. 6. The valve test apparatus of claim 5, wherein the timer is connected to a power switch, the first measurement unit and the second measurement unit; and the power switch is connected to the solenoid valve holding unit. 7. A solenoid valve test method using the apparatus of claim 1, including arranging the solenoid valve, as a valve to be tested, on the solenoid valve holding unit; enabling the gas supply unit to supply gas to the solenoid valve; measuring a flow of gas discharged from the solenoid valve; and measuring the time interval between when the solenoid valve is activated and when the measured value, which is equivalent to the desired value, is detected from the solenoid valve. 8. The solenoid valve test method of claim 7, measuring the time interval includes setting a timer as soon as the solenoid valve is activated; and controlling the timer to stop when the measured value, equivalent to the desired value, is detected from the solenoid valve. 9. The solenoid valve test method of claim 7, wherein measuring the flow of the gas includes measuring the pressure of gas discharged from the solenoid valve arranged on the solenoid valve holding unit; or measuring the vacuum pressure inside the venturi valve, which operates normally, arranged on the venturi valve holding unit when the gas discharged from the solenoid valve passes through the venturi valve. 10. The solenoid valve test method of claim 7, wherein enabling the gas supply unit to supply gas includes maintaining the pressure of the gas. 11. A venturi valve test method using the apparatus of claim 1, including arranging the solenoid valve, which operates normally, on the solenoid valve holding unit; arranging the venturi valve, as a valve to be tested, on the venturi valve holding unit; enabling the gas supply unit to supply gas to the solenoid valve; and measuring the vacuum pressure inside the venturi valve when gas discharged from the solenoid valve passes through the venturi valve. 12. The venturi valve test method of claim 11, wherein enabling the gas supply unit to supply gas includes maintaining the pressure of the gas.
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이 특허에 인용된 특허 (12)
Dunbar,Stephen; Ellington,Eric, Apparatus for testing automatic transmission solenoid valves.
Thoman David C. (Mishawaka IN) Briggs Marvin N. (South Bend IN) Eastman James M. (South Bend IN), Doser system for regulating pressure in a control chamber of a test stand.
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