FR2143883B1 - - Google Patents
Info
- Publication number
- FR2143883B1 FR2143883B1 FR7223587A FR7223587A FR2143883B1 FR 2143883 B1 FR2143883 B1 FR 2143883B1 FR 7223587 A FR7223587 A FR 7223587A FR 7223587 A FR7223587 A FR 7223587A FR 2143883 B1 FR2143883 B1 FR 2143883B1
- 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.)
- Expired
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
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- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA116911 | 1971-06-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2143883A1 FR2143883A1 (en) | 1973-02-09 |
FR2143883B1 true 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) |
Families Citing this family (3)
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 |
-
1971
- 1971-06-29 CA CA926978A patent/CA926978A/en not_active Expired
-
1972
- 1972-06-28 AU AU43994/72A patent/AU461769B2/en not_active Expired
- 1972-06-29 NL NL7208986A patent/NL7208986A/xx unknown
- 1972-06-29 GB GB3059772A patent/GB1385983A/en not_active Expired
- 1972-06-29 FR FR7223587A patent/FR2143883B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA926978A (en) | 1973-05-22 |
AU4399472A (en) | 1974-01-03 |
GB1385983A (en) | 1975-03-05 |
NL7208986A (en) | 1973-01-03 |
FR2143883A1 (en) | 1973-02-09 |
AU461769B2 (en) | 1975-06-05 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |