KR930005099Y1 - 진동검출기 - Google Patents

진동검출기 Download PDF

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Publication number
KR930005099Y1
KR930005099Y1 KR2019900003325U KR900003325U KR930005099Y1 KR 930005099 Y1 KR930005099 Y1 KR 930005099Y1 KR 2019900003325 U KR2019900003325 U KR 2019900003325U KR 900003325 U KR900003325 U KR 900003325U KR 930005099 Y1 KR930005099 Y1 KR 930005099Y1
Authority
KR
South Korea
Prior art keywords
nut
terminal
vibration
vibration detector
piezoelectric element
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
KR2019900003325U
Other languages
English (en)
Korean (ko)
Other versions
KR900017513U (ko
Inventor
사도시 고무라사키
Original Assignee
미쓰비시덴키가부시키가이샤
시키 모리야
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 미쓰비시덴키가부시키가이샤, 시키 모리야 filed Critical 미쓰비시덴키가부시키가이샤
Publication of KR900017513U publication Critical patent/KR900017513U/ko
Application granted granted Critical
Publication of KR930005099Y1 publication Critical patent/KR930005099Y1/ko
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
    • G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
    • G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
    • G01L23/22—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
    • G01L23/221—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines
    • G01L23/222—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines using piezoelectric devices

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
KR2019900003325U 1989-03-29 1990-03-21 진동검출기 Expired - Lifetime KR930005099Y1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1989034843U JPH02128533U (enrdf_load_stackoverflow) 1989-03-29 1989-03-29
JP1-34843 1989-03-29

Publications (2)

Publication Number Publication Date
KR900017513U KR900017513U (ko) 1990-10-05
KR930005099Y1 true KR930005099Y1 (ko) 1993-08-04

Family

ID=12425475

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019900003325U Expired - Lifetime KR930005099Y1 (ko) 1989-03-29 1990-03-21 진동검출기

Country Status (2)

Country Link
JP (1) JPH02128533U (enrdf_load_stackoverflow)
KR (1) KR930005099Y1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030083513A (ko) * 2002-04-23 2003-10-30 변무원 지중매설용 복층식 통수관
KR100868910B1 (ko) * 2002-03-19 2008-11-18 민병이 상,하수관용 합성수지제 외압 보강용 파이프

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100868910B1 (ko) * 2002-03-19 2008-11-18 민병이 상,하수관용 합성수지제 외압 보강용 파이프
KR20030083513A (ko) * 2002-04-23 2003-10-30 변무원 지중매설용 복층식 통수관

Also Published As

Publication number Publication date
KR900017513U (ko) 1990-10-05
JPH02128533U (enrdf_load_stackoverflow) 1990-10-23

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