IT939961B - Perfezionamento ai dispositivi supressori in ispecie per circui ti idraulici - Google Patents
Perfezionamento ai dispositivi supressori in ispecie per circui ti idrauliciInfo
- Publication number
- IT939961B IT939961B IT7029971A IT7029971A IT939961B IT 939961 B IT939961 B IT 939961B IT 7029971 A IT7029971 A IT 7029971A IT 7029971 A IT7029971 A IT 7029971A IT 939961 B IT939961 B IT 939961B
- Authority
- IT
- Italy
- Prior art keywords
- supressor
- improvement
- hydraulic circuits
- devices especially
- devices
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/007—Installations or systems with two or more pumps or pump cylinders, wherein the flow-path through the stages can be changed, e.g. from series to parallel
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7038264A FR2110599A5 (it) | 1970-10-22 | 1970-10-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT939961B true IT939961B (it) | 1973-02-10 |
Family
ID=9063167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT7029971A IT939961B (it) | 1970-10-22 | 1971-10-08 | Perfezionamento ai dispositivi supressori in ispecie per circui ti idraulici |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2151885A1 (it) |
FR (1) | FR2110599A5 (it) |
GB (1) | GB1363736A (it) |
IT (1) | IT939961B (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2374538A1 (fr) * | 1976-12-16 | 1978-07-13 | Materiel Telephonique | Groupe surpresseur pour liquide |
CN107299894B (zh) * | 2017-08-10 | 2018-11-30 | 中石化宁波工程有限公司 | 基于优先级选择的多台备用泵自启动逻辑控制电路 |
-
1970
- 1970-10-22 FR FR7038264A patent/FR2110599A5/fr not_active Expired
-
1971
- 1971-10-08 IT IT7029971A patent/IT939961B/it active
- 1971-10-19 DE DE19712151885 patent/DE2151885A1/de active Pending
- 1971-10-21 GB GB4905871A patent/GB1363736A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2151885A1 (de) | 1972-04-27 |
FR2110599A5 (it) | 1972-06-02 |
GB1363736A (en) | 1974-08-14 |
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