JPS5317773A - Minute particle detector - Google Patents

Minute particle detector

Info

Publication number
JPS5317773A
JPS5317773A JP9135376A JP9135376A JPS5317773A JP S5317773 A JPS5317773 A JP S5317773A JP 9135376 A JP9135376 A JP 9135376A JP 9135376 A JP9135376 A JP 9135376A JP S5317773 A JPS5317773 A JP S5317773A
Authority
JP
Japan
Prior art keywords
particle detector
minute particle
dust
velocity
obtaining
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.)
Pending
Application number
JP9135376A
Other languages
Japanese (ja)
Inventor
Hiromi Tokoi
Iwao Harada
Norihiko Ozaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9135376A priority Critical patent/JPS5317773A/en
Publication of JPS5317773A publication Critical patent/JPS5317773A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems

Abstract

PURPOSE:To make possible simultaneous measurement of the velocity, particle size and particle number of the dust contained in liquid by detecting the burst signal owing to the scattered light of the dust when crossing interference fringes and obtaining its peak time intervals.
JP9135376A 1976-08-02 1976-08-02 Minute particle detector Pending JPS5317773A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9135376A JPS5317773A (en) 1976-08-02 1976-08-02 Minute particle detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9135376A JPS5317773A (en) 1976-08-02 1976-08-02 Minute particle detector

Publications (1)

Publication Number Publication Date
JPS5317773A true JPS5317773A (en) 1978-02-18

Family

ID=14024021

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9135376A Pending JPS5317773A (en) 1976-08-02 1976-08-02 Minute particle detector

Country Status (1)

Country Link
JP (1) JPS5317773A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59178366A (en) * 1983-03-30 1984-10-09 Hitachi Ltd Method and apparatus for measuring flow velocity
JPS60117008A (en) * 1983-11-30 1985-06-24 Nissan Motor Co Ltd Burner
JPS61501586A (en) * 1983-05-18 1986-07-31 ダンテック・エレクトロニック・メディシンスク・オ・ヴィデンスカベリイト・モリュードストリ・アー／エス Laser Doppler device for detecting the dimensions of spherical particles moving in a fluid stream
JPH03108635A (en) * 1989-09-22 1991-05-08 Kondo Kogyo Kk Monitoring alarm for particulates in the air
JP2017015587A (en) * 2015-07-02 2017-01-19 富士電機株式会社 Particle measuring device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59178366A (en) * 1983-03-30 1984-10-09 Hitachi Ltd Method and apparatus for measuring flow velocity
JPH0233100B2 (en) * 1983-03-30 1990-07-25 Hitachi Ltd
JPS61501586A (en) * 1983-05-18 1986-07-31 ダンテック・エレクトロニック・メディシンスク・オ・ヴィデンスカベリイト・モリュードストリ・アー／エス Laser Doppler device for detecting the dimensions of spherical particles moving in a fluid stream
JPH0337702B2 (en) * 1983-05-18 1991-06-06 Dantetsuku Erekutoronitsuku Medeishinsuku O Uidensukaberiito Moryuudosutori As
JPS60117008A (en) * 1983-11-30 1985-06-24 Nissan Motor Co Ltd Burner
JPH0559323B2 (en) * 1983-11-30 1993-08-30 Nissan Motor
JPH03108635A (en) * 1989-09-22 1991-05-08 Kondo Kogyo Kk Monitoring alarm for particulates in the air
JP2017015587A (en) * 2015-07-02 2017-01-19 富士電機株式会社 Particle measuring device

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