FR2143883A1 - - Google Patents

Info

Publication number
FR2143883A1
FR2143883A1 FR7223587A FR7223587A FR2143883A1 FR 2143883 A1 FR2143883 A1 FR 2143883A1 FR 7223587 A FR7223587 A FR 7223587A FR 7223587 A FR7223587 A FR 7223587A FR 2143883 A1 FR2143883 A1 FR 2143883A1
Authority
FR
France
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.)
Granted
Application number
FR7223587A
Other languages
French (fr)
Other versions
FR2143883B1 (en
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.)
TransCanada Pipelines Ltd
Original Assignee
TransCanada Pipelines 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 TransCanada Pipelines Ltd filed Critical TransCanada Pipelines Ltd
Publication of FR2143883A1 publication Critical patent/FR2143883A1/fr
Application granted granted Critical
Publication of FR2143883B1 publication Critical patent/FR2143883B1/fr
Expired legal-status Critical Current

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)
FR7223587A 1971-06-29 1972-06-29 Expired FR2143883B1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2143883A1 true FR2143883A1 (en) 1973-02-09
FR2143883B1 FR2143883B1 (en) 1977-11-04

Family

ID=4090174

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7223587A Expired FR2143883B1 (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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0431287A1 (en) * 1989-11-08 1991-06-12 MAN Gutehoffnungshütte Aktiengesellschaft Process for optimised operation of two or more compressors in parallel or series operation

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0431287A1 (en) * 1989-11-08 1991-06-12 MAN Gutehoffnungshütte Aktiengesellschaft Process for optimised operation of two or more compressors in parallel or series operation

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
NL7208986A (en) 1973-01-03
AU461769B2 (en) 1975-06-05

Similar Documents

Publication Publication Date Title
ATA136472A (en)
AR196074A1 (en)
FR2143883B1 (en)
AU2658571A (en)
AU2691671A (en)
AU2485671A (en)
AU2742671A (en)
AU3005371A (en)
AU2684071A (en)
AU2564071A (en)
AU2455871A (en)
AR192311Q (en)
AU3025871A (en)
AU2456871A (en)
AU2473671A (en)
AU2963771A (en)
AU2740271A (en)
AU2486471A (en)
AU2726271A (en)
AU2503871A (en)
AU2399971A (en)
AU2577671A (en)
AU2588771A (en)
AU2654071A (en)
AU1109576A (en)

Legal Events

Date Code Title Description
ST Notification of lapse