GB891134A - A method of comparing or controlling two phenomena - Google Patents

A method of comparing or controlling two phenomena

Info

Publication number
GB891134A
GB891134A GB39134/58A GB3913458A GB891134A GB 891134 A GB891134 A GB 891134A GB 39134/58 A GB39134/58 A GB 39134/58A GB 3913458 A GB3913458 A GB 3913458A GB 891134 A GB891134 A GB 891134A
Authority
GB
United Kingdom
Prior art keywords
phenomena
comparing
controlling
kerosine
bitument
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
GB39134/58A
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.)
Bataafsche Petroleum Maatschappij NV
Original Assignee
Bataafsche Petroleum Maatschappij NV
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 Bataafsche Petroleum Maatschappij NV filed Critical Bataafsche Petroleum Maatschappij NV
Publication of GB891134A publication Critical patent/GB891134A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/06—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into an amplitude of current or voltage
    • G01R23/09—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into an amplitude of current or voltage using analogue integrators, e.g. capacitors establishing a mean value by balance of input signals and defined discharge signals or leakage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/02—Compensating or correcting for variations in pressure, density or temperature
    • G01F15/022—Compensating or correcting for variations in pressure, density or temperature using electrical means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
    • G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
    • G05D11/131—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
    • G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
    • G05D11/131—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components
    • G05D11/132—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components by controlling the flow of the individual components

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Insulating Materials (AREA)

Abstract

An electric control system (see Group XXXVIII) is used for blending fluids such as oils from two or more components, and in one example asphaltic bitumen at 150 DEG C. is blended with kerosine at 15 DEG C. to give a product of S.S.F. 30-80 comprising 79% of bitument and 21% of kerosine.
GB39134/58A 1957-12-06 1958-12-04 A method of comparing or controlling two phenomena Expired GB891134A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL891134X 1957-12-06

Publications (1)

Publication Number Publication Date
GB891134A true GB891134A (en) 1962-03-14

Family

ID=19855896

Family Applications (1)

Application Number Title Priority Date Filing Date
GB39134/58A Expired GB891134A (en) 1957-12-06 1958-12-04 A method of comparing or controlling two phenomena

Country Status (1)

Country Link
GB (1) GB891134A (en)

Similar Documents

Publication Publication Date Title
GB990663A (en) Insecticidal composition
GB993941A (en) Concrete form panels
GB891134A (en) A method of comparing or controlling two phenomena
DK114992B (en) Method for regulating an iodine oil refining process depending on the vanadium content of the starting material or intermediates.
GB938193A (en) Deasphalting petroleum fractions
GB974032A (en) Shortenings
FR1292416A (en) Process for the preparation of mixed emulsions of paraffins and petroleum resins
GB962246A (en) A process for the extraction of atactic fractions from polypropylene
GB956313A (en) Bituminous compositions and bitumen blending components
Jansen A Very Preliminary Statement
GB770843A (en) Improvements in the extraction of boleko oil
GB768655A (en) Improvements relating to the reduction of sludge deposition from crude petroleum oils
GB969351A (en) Improved method for generating lubricant mist
ES251535A1 (en) A procedure for obtaining a product for the impregnation of high tention cables (Machine-translation by Google Translate, not legally binding)
GB948753A (en) Unsaturated cyclic ketones
CA568556A (en) Stability of fuel oil emulsions controlled by resin/asphaltene ratio
CA572552A (en) Chemical compositions and method of breaking petroleum emulsions, especially in desalting
CA598398A (en) Oil temperature regulator
Lewis Variables, constants, and functional relationships.
AU1055561A (en) Process foe treating crude petroleum oils
ES403508A2 (en) Procedure to give transparency and brightness to gasoil, which is kept at temperature of 15 deg. C. (Machine-translation by Google Translate, not legally binding)
ES316368A3 (en) Procedure for the obtaining of a composition of polishing. (Machine-translation by Google Translate, not legally binding)
ES283832A1 (en) Procedure for the preparation of gels, especially of liquid fuels and their reversible licuation posterior (Machine-translation by Google Translate, not legally binding)
AU239259B2 (en) Oil-in-water asphaltic bitumen emulsion
GB960938A (en) Improvements in or relating to method and apparatus for controlling the interface between two immiscible liquids