NL7208986A - - Google Patents

Info

Publication number
NL7208986A
NL7208986A NL7208986A NL7208986A NL7208986A NL 7208986 A NL7208986 A NL 7208986A NL 7208986 A NL7208986 A NL 7208986A NL 7208986 A NL7208986 A NL 7208986A NL 7208986 A NL7208986 A NL 7208986A
Authority
NL
Netherlands
Application number
NL7208986A
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 filed Critical
Publication of NL7208986A publication Critical patent/NL7208986A/xx

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/20—Control of fluid pressure characterised by the use of electric means
    • G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2066—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using controlling means acting on the pressure source
    • G05D16/2073—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using controlling means acting on the pressure source with a plurality of pressure sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0269—Surge control by changing flow path between different stages or between a plurality of compressors; load distribution between compressors
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/32—Automatic controllers electric with inputs from more than one sensing element; with outputs to more than one correcting element
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
NL7208986A 1971-06-29 1972-06-29 NL7208986A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA116911 1971-06-29

Publications (1)

Publication Number Publication Date
NL7208986A true NL7208986A (en) 1973-01-03

Family

ID=4090174

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7208986A NL7208986A (en) 1971-06-29 1972-06-29

Country Status (5)

Country Link
AU (1) AU461769B2 (en)
CA (1) CA926978A (en)
FR (1) FR2143883B1 (en)
GB (1) GB1385983A (en)
NL (1) NL7208986A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3937152A1 (en) * 1989-11-08 1991-05-16 Gutehoffnungshuette Man METHOD FOR OPTIMIZING OPERATION OF TWO OR SEVERAL COMPRESSORS IN PARALLEL OR SERIES
DE10208676A1 (en) * 2002-02-28 2003-09-04 Man Turbomasch Ag Ghh Borsig Process for controlling several turbomachines in parallel or in series
NO336500B1 (en) * 2013-12-23 2015-09-14 Vetco Gray Scandinavia As Submarine fluid processing system

Also Published As

Publication number Publication date
CA926978A (en) 1973-05-22
AU4399472A (en) 1974-01-03
FR2143883B1 (en) 1977-11-04
GB1385983A (en) 1975-03-05
FR2143883A1 (en) 1973-02-09
AU461769B2 (en) 1975-06-05

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Legal Events

Date Code Title Description
BN A decision not to publish the application has become irrevocable