DE2232654C2 - Vibrationsdensitometer - Google Patents

Vibrationsdensitometer

Info

Publication number
DE2232654C2
DE2232654C2 DE2232654A DE2232654A DE2232654C2 DE 2232654 C2 DE2232654 C2 DE 2232654C2 DE 2232654 A DE2232654 A DE 2232654A DE 2232654 A DE2232654 A DE 2232654A DE 2232654 C2 DE2232654 C2 DE 2232654C2
Authority
DE
Germany
Prior art keywords
output
amplifier
input
filter
circuit
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
DE2232654A
Other languages
German (de)
English (en)
Other versions
DE2232654A1 (de
Inventor
Gerald Lance Boulder Col. Schlatter
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.)
ITT Inc
Original Assignee
Deutsche ITT Industries GmbH
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 Deutsche ITT Industries GmbH filed Critical Deutsche ITT Industries GmbH
Publication of DE2232654A1 publication Critical patent/DE2232654A1/de
Application granted granted Critical
Publication of DE2232654C2 publication Critical patent/DE2232654C2/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
    • G01N2009/008—Schlatter vibrating vane type

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)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Amplifiers (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
DE2232654A 1971-07-09 1972-07-03 Vibrationsdensitometer Expired DE2232654C2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16102571A 1971-07-09 1971-07-09
US00308759A US3805174A (en) 1971-07-09 1972-11-22 Transformer coupled signal power feedback circuit

Publications (2)

Publication Number Publication Date
DE2232654A1 DE2232654A1 (de) 1973-01-25
DE2232654C2 true DE2232654C2 (de) 1982-08-12

Family

ID=26857438

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2232654A Expired DE2232654C2 (de) 1971-07-09 1972-07-03 Vibrationsdensitometer

Country Status (6)

Country Link
US (2) US3776024A (Direct)
CA (1) CA961664A (Direct)
DE (1) DE2232654C2 (Direct)
FR (1) FR2145989A5 (Direct)
GB (1) GB1383952A (Direct)
NL (1) NL7209562A (Direct)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7508772A (nl) * 1975-07-23 1977-01-25 Philips Nv Inrichting voor het opwekken van impulsvormige signalen.
AU1760483A (en) * 1982-08-05 1984-02-09 Treloar, W.J. And Sons Pty. Ltd. Resonant sensor for distinguishing fluids
US4546641A (en) * 1983-10-17 1985-10-15 International Telephone & Telegraph Corp. Densitometer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE268353C (Direct) * 1947-09-02
SU129537A1 (ru) * 1959-10-23 1959-11-30 В.Г. Пешков Монорельсовый путь
US3117440A (en) * 1960-09-12 1964-01-14 Lockheed Aircraft Corp Densitometer
US3248634A (en) * 1962-08-28 1966-04-26 Itt Electronic ringing generator
US3293530A (en) * 1963-10-03 1966-12-20 Allis Chalmers Mfg Co Electrical power conversion system having output control means
US3426593A (en) * 1965-12-23 1969-02-11 Robert B Jacobs Vibrating transducer for flow and related measurements
GB1158790A (en) * 1965-12-29 1969-07-16 Solartron Electronic Group Improvements in Fluid Density Meters
US3307408A (en) * 1966-08-10 1967-03-07 Int Research & Dev Co Ltd Synchronous filter apparatus in which pass-band automatically tracks signal, useful for vibration analysis

Also Published As

Publication number Publication date
NL7209562A (Direct) 1973-01-11
GB1383952A (en) 1974-02-12
DE2232654A1 (de) 1973-01-25
FR2145989A5 (Direct) 1973-02-23
US3805174A (en) 1974-04-16
CA961664A (en) 1975-01-28
US3776024A (en) 1973-12-04

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Legal Events

Date Code Title Description
OD Request for examination
D2 Grant after examination
8327 Change in the person/name/address of the patent owner

Owner name: ITT INDUSTRIES, INC., NEW YORK, N.Y., US

8328 Change in the person/name/address of the agent

Free format text: GRAF, G., DIPL.-ING., PAT.-ASS., 7000 STUTTGART

8328 Change in the person/name/address of the agent

Free format text: KLUNKER, H., DIPL.-ING. DR.RER.NAT. SCHMITT-NILSON, G., DIPL.-ING. DR.-ING. HIRSCH, P., DIPL.-ING.,PAT.-ANW., 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee