SE8902486D0 - SETTING AND DEVICE TO REGISTER THE STATE OF A MOVEMENT SUSPENSION - Google Patents

SETTING AND DEVICE TO REGISTER THE STATE OF A MOVEMENT SUSPENSION

Info

Publication number
SE8902486D0
SE8902486D0 SE8902486A SE8902486A SE8902486D0 SE 8902486 D0 SE8902486 D0 SE 8902486D0 SE 8902486 A SE8902486 A SE 8902486A SE 8902486 A SE8902486 A SE 8902486A SE 8902486 D0 SE8902486 D0 SE 8902486D0
Authority
SE
Sweden
Prior art keywords
suspension
light
detected
holding circuit
electrical signal
Prior art date
Application number
SE8902486A
Other languages
Swedish (sv)
Other versions
SE8902486L (en
SE464836B (en
Inventor
Gerdt Heinrich Fladda
Original Assignee
Fladda Gerdt H
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 Fladda Gerdt H filed Critical Fladda Gerdt H
Priority to SE8902486A priority Critical patent/SE464836B/en
Publication of SE8902486D0 publication Critical patent/SE8902486D0/en
Priority to EP90906417A priority patent/EP0534951B1/en
Priority to DE69012837T priority patent/DE69012837T2/en
Priority to EP93116040A priority patent/EP0582320B1/en
Priority to PCT/SE1990/000212 priority patent/WO1991000993A1/en
Priority to JP2506382A priority patent/JP2823136B2/en
Priority to US07/807,851 priority patent/US5245200A/en
Priority to DE69033872T priority patent/DE69033872T2/en
Priority to CA002062757A priority patent/CA2062757C/en
Publication of SE8902486L publication Critical patent/SE8902486L/en
Publication of SE464836B publication Critical patent/SE464836B/en
Priority to FI920101A priority patent/FI104217B/en
Priority to JP00340696A priority patent/JP3192364B2/en
Priority to FI973553A priority patent/FI106890B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids

Landscapes

  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Vehicle Body Suspensions (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

The invention concerns a method and arrangement for recording the condition of a suspension in motion, which suspension can contain fractions with particles of very different sizes. The suspension is illuminated by a beam of light. Light received from the suspension is detected in order to produce an electrical signal corresponding to the detected light intensity. The illumination of the suspension is carried out with a narrow beam of light in relation to the space between large particles. Light received from the suspension is detected within a narrow angular area. An extreme value Vp of the electrical signal is indicated within a previously determined interval of time. Within each interval of time the extreme value forms the reference value for calculating pre-selected characteristics of the suspension. <IMAGE> Key: 1 = Light source 2 = Detector 15 = Filter AC 4 = Filter DC 5 = Peak detector 6 = Timing device 13 = Holding circuit 7 = Holding circuit 17 = Holding circuit 11 = Input 8 = Control and calculation unit 9 = Indication unit 1 10 = Indication unit 2 14 = Alarm
SE8902486A 1989-07-10 1989-07-10 Method and arrangement for recording the condition of a suspension in motion SE464836B (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
SE8902486A SE464836B (en) 1989-07-10 1989-07-10 Method and arrangement for recording the condition of a suspension in motion
CA002062757A CA2062757C (en) 1989-07-10 1990-04-02 Measuring apparatus and method
US07/807,851 US5245200A (en) 1989-07-10 1990-04-02 Apparatus and method for preventing blockage of a measuring head for effecting measurements of suspended substances
DE69012837T DE69012837T2 (en) 1989-07-10 1990-04-02 MEASURING DEVICE.
EP93116040A EP0582320B1 (en) 1989-07-10 1990-04-02 Measuring apparatus and method
PCT/SE1990/000212 WO1991000993A1 (en) 1989-07-10 1990-04-02 Measuring apparatus and method
JP2506382A JP2823136B2 (en) 1989-07-10 1990-04-02 Measuring head
EP90906417A EP0534951B1 (en) 1989-07-10 1990-04-02 Measuring apparatus
DE69033872T DE69033872T2 (en) 1989-07-10 1990-04-02 Measuring device and method
FI920101A FI104217B (en) 1989-07-10 1992-01-09 Measuring device
JP00340696A JP3192364B2 (en) 1989-07-10 1996-01-11 Method and apparatus for recording the state of a moving suspension
FI973553A FI106890B (en) 1989-07-10 1997-08-29 Measuring method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8902486A SE464836B (en) 1989-07-10 1989-07-10 Method and arrangement for recording the condition of a suspension in motion

Publications (3)

Publication Number Publication Date
SE8902486D0 true SE8902486D0 (en) 1989-07-10
SE8902486L SE8902486L (en) 1991-01-11
SE464836B SE464836B (en) 1991-06-17

Family

ID=20376527

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8902486A SE464836B (en) 1989-07-10 1989-07-10 Method and arrangement for recording the condition of a suspension in motion

Country Status (1)

Country Link
SE (1) SE464836B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE537725C2 (en) 2013-04-02 2015-10-06 Btg Instr Ab Method for determining properties of heterogeneous media

Also Published As

Publication number Publication date
SE8902486L (en) 1991-01-11
SE464836B (en) 1991-06-17

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