GB863510A - An improved viscometer - Google Patents

An improved viscometer

Info

Publication number
GB863510A
GB863510A GB1543158A GB1543158A GB863510A GB 863510 A GB863510 A GB 863510A GB 1543158 A GB1543158 A GB 1543158A GB 1543158 A GB1543158 A GB 1543158A GB 863510 A GB863510 A GB 863510A
Authority
GB
United Kingdom
Prior art keywords
time
coils
meter reading
pulse
relay
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
Application number
GB1543158A
Inventor
Peter Doree Saw
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.)
Tyer and Co Ltd
Original Assignee
Tyer and Co 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 Tyer and Co Ltd filed Critical Tyer and Co Ltd
Priority to GB1543158A priority Critical patent/GB863510A/en
Publication of GB863510A publication Critical patent/GB863510A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
    • G01N11/10Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
    • G01N11/12Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by measuring rising or falling speed of the body; by measuring penetration of wedged gauges

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measuring Volume Flow (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

863,510. Viscometers. TYER & CO. Ltd. May 14, 1959 [May 14, 1958], No. 15431/58. Class 40 (1). [Also in Groups XIX, XXXVI and XL (c)] In a viscometer which is based on the time of fall of an object between two spaced points in a tube containing the liquid under test, the object changes the frequency of an oscillator as it passes one of the points, and the time of fall is determined electronically from these changes of frequency. In Fig. 4 the liquid is contained in a tube 6 mounted in a jacket through which steam or water can flow via 24 and 25. Around the tube are coils 35 and 36 which suffer a momentary change in inductance due to the passage of the object, which is a metal sphere (e.g. of phosphor bronze) or is coated with a metal such as copper. The coils are joined in series and shunted by a capacitor, and are connected via a twin coaxial cable to a Colpitts oscillator V1 (Fig. 5). The output of the latter goes to a phase discriminator V2 which delivers a pulse each time the object passes one of the coils. The pulses are amplified in V3 and trigger a bi-stable multivibrator V4 to produce a square wave on the grids of a further multivibrator V6. The first pulse allows V7 to conduct and energizes a relay 37 which joins the grid of a time-base valve V11 to the positive supply. The meter reading of the valve voltmeter V12 then starts to rise. The second pulse from V2 switches V6 back to its original condition and cuts-off relay 37 so that the grid potential of V11 ceases to rise and the meter reading remains steady. At the same time a mono-stable multivibrator V9 is triggered so that after a few seconds relay 38 is energized to restore V11 and the meter reading to their original states. If two spheres should be dropped in simultaneously the pulses will overlap, V6 will not be switched back to normal and the meter reading will rise above full-scale. At this point, however, the screen potential of V11 falls and triggers V10 to send a pulse back to V6 to change it over. A neon 39 indicates correct operation of V3 and V4. The sensing coils in the tubes can be replaced by capacitors.
GB1543158A 1958-05-14 1958-05-14 An improved viscometer Expired GB863510A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1543158A GB863510A (en) 1958-05-14 1958-05-14 An improved viscometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1543158A GB863510A (en) 1958-05-14 1958-05-14 An improved viscometer

Publications (1)

Publication Number Publication Date
GB863510A true GB863510A (en) 1961-03-22

Family

ID=10059006

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1543158A Expired GB863510A (en) 1958-05-14 1958-05-14 An improved viscometer

Country Status (1)

Country Link
GB (1) GB863510A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3240053A (en) * 1963-12-06 1966-03-15 John H Jones Viscosimeter
US3772910A (en) * 1971-12-22 1973-11-20 Us Air Force Precision viscometer timer control system
EP0046589A1 (en) * 1980-08-23 1982-03-03 Ernst Thöne Apparatus for determining the viscosity of a liquid
GB2234073A (en) * 1989-07-06 1991-01-23 Nigel Herbert Falling body viscometer
GB2300924A (en) * 1995-05-15 1996-11-20 Lexmark Int Inc Solid concentration measuring device
EP2333513A1 (en) * 2008-09-26 2011-06-15 Asahi Breweries, Ltd. Falling speed measuring sensor for falling body viscometer and falling speed measuring method
EP2472246A1 (en) * 2009-10-03 2012-07-04 Asahi Group Holdings, Ltd. Method of determining falling state of falling body for viscometer of falling body type, falling-body velocity measuring sensor, and viscometer of falling body type including same

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3240053A (en) * 1963-12-06 1966-03-15 John H Jones Viscosimeter
US3772910A (en) * 1971-12-22 1973-11-20 Us Air Force Precision viscometer timer control system
EP0046589A1 (en) * 1980-08-23 1982-03-03 Ernst Thöne Apparatus for determining the viscosity of a liquid
DE3031863A1 (en) * 1980-08-23 1982-04-01 Thöne, Ernst, 2000 Hamburg METHOD AND DEVICE FOR DETERMINING THE VISCOSITY OF A LIQUID
GB2234073A (en) * 1989-07-06 1991-01-23 Nigel Herbert Falling body viscometer
GB2234073B (en) * 1989-07-06 1994-05-11 Nigel Herbert Viscometer
GB2300924A (en) * 1995-05-15 1996-11-20 Lexmark Int Inc Solid concentration measuring device
GB2300924B (en) * 1995-05-15 1999-02-03 Lexmark Int Inc Solid concentration measuring device
EP2333513A1 (en) * 2008-09-26 2011-06-15 Asahi Breweries, Ltd. Falling speed measuring sensor for falling body viscometer and falling speed measuring method
EP2333513A4 (en) * 2008-09-26 2014-03-19 Asahi Group Holdings Ltd Falling speed measuring sensor for falling body viscometer and falling speed measuring method
EP2472246A1 (en) * 2009-10-03 2012-07-04 Asahi Group Holdings, Ltd. Method of determining falling state of falling body for viscometer of falling body type, falling-body velocity measuring sensor, and viscometer of falling body type including same
EP2472246A4 (en) * 2009-10-03 2014-03-19 Asahi Group Holdings Ltd Method of determining falling state of falling body for viscometer of falling body type, falling-body velocity measuring sensor, and viscometer of falling body type including same

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