DD122272A1 - - Google Patents
Info
- Publication number
- DD122272A1 DD122272A1 DD18948475A DD18948475A DD122272A1 DD 122272 A1 DD122272 A1 DD 122272A1 DD 18948475 A DD18948475 A DD 18948475A DD 18948475 A DD18948475 A DD 18948475A DD 122272 A1 DD122272 A1 DD 122272A1
- Authority
- DD
- German Democratic Republic
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)
- Fluid-Pressure Circuits (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD18948475A DD122272A1 (it) | 1975-11-17 | 1975-11-17 | |
| DE19762650571 DE2650571A1 (de) | 1975-11-17 | 1976-11-04 | Verfahren und schaltungsanordnung zur zentralen druckstrombereitstellung fuer aus einer vielzahl von verbraucherkomplexen bestehende druckstromsysteme mit nichtdeterminierter druckstromanforderung |
| FR7634498A FR2331699A1 (fr) | 1975-11-17 | 1976-11-16 | Procede et montage pour l'alimentation d'une installation en fluide sous pression |
| CS737476A CS209645B1 (en) | 1975-11-17 | 1976-11-16 | Connection for central preparation of the pressure current for the systems with the pressure current |
| GB4787276A GB1524600A (en) | 1975-11-17 | 1976-11-17 | Method of and circuit arrangment for the central provision of pressure flow for a hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD18948475A DD122272A1 (it) | 1975-11-17 | 1975-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD122272A1 true DD122272A1 (it) | 1976-09-20 |
Family
ID=5502400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD18948475A DD122272A1 (it) | 1975-11-17 | 1975-11-17 |
Country Status (5)
| Country | Link |
|---|---|
| CS (1) | CS209645B1 (it) |
| DD (1) | DD122272A1 (it) |
| DE (1) | DE2650571A1 (it) |
| FR (1) | FR2331699A1 (it) |
| GB (1) | GB1524600A (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2158884A (en) * | 1984-05-15 | 1985-11-20 | Robert James Siddall | Hydraulic drive system |
-
1975
- 1975-11-17 DD DD18948475A patent/DD122272A1/xx unknown
-
1976
- 1976-11-04 DE DE19762650571 patent/DE2650571A1/de not_active Withdrawn
- 1976-11-16 CS CS737476A patent/CS209645B1/cs unknown
- 1976-11-16 FR FR7634498A patent/FR2331699A1/fr active Granted
- 1976-11-17 GB GB4787276A patent/GB1524600A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1524600A (en) | 1978-09-13 |
| FR2331699A1 (fr) | 1977-06-10 |
| DE2650571A1 (de) | 1977-05-26 |
| CS209645B1 (en) | 1981-12-31 |
| FR2331699B3 (it) | 1979-07-27 |