KR900008298B1 - 폐쇄 공간내의 기체의 존재 검출방법 및 그 장치 - Google Patents

폐쇄 공간내의 기체의 존재 검출방법 및 그 장치 Download PDF

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Publication number
KR900008298B1
KR900008298B1 KR1019840008021A KR840008021A KR900008298B1 KR 900008298 B1 KR900008298 B1 KR 900008298B1 KR 1019840008021 A KR1019840008021 A KR 1019840008021A KR 840008021 A KR840008021 A KR 840008021A KR 900008298 B1 KR900008298 B1 KR 900008298B1
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South Korea
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sound wave
space
gas
point
sound
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Expired
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KR1019840008021A
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Korean (ko)
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KR850004802A (ko
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로스 보워 죤
더블유. 하몬드 챨스
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더 배브콕 앤드 윌콕스 캄파니
노보터 제이 에더워즈
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Publication of KR850004802A publication Critical patent/KR850004802A/ko
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic or ultrasonic vibrations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic or ultrasonic vibrations
    • G01M3/243—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic or ultrasonic vibrations for pipes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
    • G01L11/04—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by acoustic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02872—Pressure

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
KR1019840008021A 1983-12-19 1984-12-17 폐쇄 공간내의 기체의 존재 검출방법 및 그 장치 Expired KR900008298B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/562,558 US4574615A (en) 1983-12-19 1983-12-19 Sonic apparatus and method for detecting the presence of a gaseous substance in a closed space
US562558 1983-12-19

Publications (2)

Publication Number Publication Date
KR850004802A KR850004802A (ko) 1985-07-27
KR900008298B1 true KR900008298B1 (ko) 1990-11-12

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Application Number Title Priority Date Filing Date
KR1019840008021A Expired KR900008298B1 (ko) 1983-12-19 1984-12-17 폐쇄 공간내의 기체의 존재 검출방법 및 그 장치

Country Status (11)

Country Link
US (1) US4574615A (https=)
EP (1) EP0148591B1 (https=)
JP (1) JPS60190854A (https=)
KR (1) KR900008298B1 (https=)
AT (1) ATE32379T1 (https=)
BR (1) BR8406488A (https=)
CA (1) CA1225142A (https=)
DE (1) DE3469221D1 (https=)
IN (1) IN163282B (https=)
MX (1) MX157602A (https=)
PH (1) PH22290A (https=)

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EP0148591A1 (en) 1985-07-17
US4574615A (en) 1986-03-11
MX157602A (es) 1988-12-02
DE3469221D1 (en) 1988-03-10
JPH0431064B2 (https=) 1992-05-25
PH22290A (en) 1988-07-22
CA1225142A (en) 1987-08-04
JPS60190854A (ja) 1985-09-28
EP0148591B1 (en) 1988-02-03
ATE32379T1 (de) 1988-02-15
BR8406488A (pt) 1985-10-15
IN163282B (https=) 1988-09-03

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