DD95760A5 - - Google Patents
Info
- Publication number
- DD95760A5 DD95760A5 DD161425A DD16142572A DD95760A5 DD 95760 A5 DD95760 A5 DD 95760A5 DD 161425 A DD161425 A DD 161425A DD 16142572 A DD16142572 A DD 16142572A DD 95760 A5 DD95760 A5 DD 95760A5
- 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
- F04B49/08—Regulating by delivery pressure
-
- 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
- F04B49/06—Control using electricity
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712111359 DE2111359A1 (de) | 1971-03-10 | 1971-03-10 | Regeleinrichtung fuer eine Hydropumpe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD95760A5 true DD95760A5 (en:Method) | 1973-02-12 |
Family
ID=5801026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD161425A DD95760A5 (en:Method) | 1971-03-10 | 1972-03-08 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3788775A (en:Method) |
| CH (1) | CH533241A (en:Method) |
| DD (1) | DD95760A5 (en:Method) |
| DE (1) | DE2111359A1 (en:Method) |
| FR (1) | FR2129570A5 (en:Method) |
| GB (1) | GB1376829A (en:Method) |
| IT (1) | IT949930B (en:Method) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2727555A1 (de) * | 1977-06-18 | 1979-01-04 | Bosch Gmbh Robert | Steuervorrichtung fuer hydrostatische verdraengeraggregate |
| US4285639A (en) * | 1979-06-12 | 1981-08-25 | Parker-Hannifin Corporation | Electronic control for variable displacement pumps |
| US4248137A (en) * | 1979-07-23 | 1981-02-03 | Moog Inc. | Feedback mechanism for variable displacement hydraulic device having an electrohydraulic controller |
| USRE31657E (en) * | 1979-07-23 | 1984-09-04 | Moog Inc. | Feedback mechanism for variable displacement hydraulic device having an electrohydraulic controller |
| US4395199A (en) * | 1979-10-15 | 1983-07-26 | Hitachi Construction Machinery Co., Ltd. | Control method of a system of internal combustion engine and hydraulic pump |
| JPS56139316A (en) * | 1980-01-07 | 1981-10-30 | Komatsu Ltd | Power loss reduction controller for oil-pressure type construction machine |
| DE3044515A1 (de) * | 1980-11-26 | 1982-06-03 | bso Steuerungstechnik GmbH, 6603 Sulzbach | Verstelleinrichtung fuer hydraulikpumpe mit verstellbarer foerdermenge |
| EP0076876A1 (de) * | 1981-10-14 | 1983-04-20 | Sperry Vickers Zweigniederlassung der Sperry GmbH | Anordnung mit Flügelzellenpumpe für einstellbare Leistungen des Förderstromes |
| US4456434A (en) * | 1982-03-01 | 1984-06-26 | Vickers, Incorporated | Power transmission |
| DE3208250A1 (de) * | 1982-03-08 | 1983-09-15 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zum steuern und/oder regeln einer axialkolbenmaschine |
| US4474104A (en) * | 1983-04-11 | 1984-10-02 | Double A Products Co. | Control system for variable displacement pumps and motors |
| US4494911A (en) * | 1983-04-29 | 1985-01-22 | General Signal Corporation | Piston pump servo control |
| US4523892A (en) * | 1984-05-14 | 1985-06-18 | Caterpillar Tractor Co. | Hydrostatic vehicle control |
| US4534707A (en) * | 1984-05-14 | 1985-08-13 | Caterpillar Tractor Co. | Hydrostatic vehicle control |
| DE3517104A1 (de) * | 1985-05-11 | 1986-11-13 | Mannesmann Rexroth GmbH, 8770 Lohr | Antriebssystem mit einer verstellbaren hydrostatischen maschine |
| US4655689A (en) * | 1985-09-20 | 1987-04-07 | General Signal Corporation | Electronic control system for a variable displacement pump |
| US5133644A (en) * | 1991-01-17 | 1992-07-28 | Halliburton Company | Multi-pressure compensation of variable displacement pump |
| US5468126A (en) * | 1993-12-23 | 1995-11-21 | Caterpillar Inc. | Hydraulic power control system |
| US5525043A (en) * | 1993-12-23 | 1996-06-11 | Caterpillar Inc. | Hydraulic power control system |
| DE4410719A1 (de) * | 1994-03-28 | 1995-10-05 | Bosch Gmbh Robert | Elektrohydraulisch verstellbare Pumpe |
| US6623247B2 (en) * | 2001-05-16 | 2003-09-23 | Caterpillar Inc | Method and apparatus for controlling a variable displacement hydraulic pump |
| US6848254B2 (en) * | 2003-06-30 | 2005-02-01 | Caterpillar Inc. | Method and apparatus for controlling a hydraulic motor |
| US20090053072A1 (en) * | 2007-08-21 | 2009-02-26 | Justin Borgstadt | Integrated "One Pump" Control of Pumping Equipment |
| US8522543B2 (en) * | 2008-12-23 | 2013-09-03 | Caterpillar Inc. | Hydraulic control system utilizing feed-forward control |
| US8511080B2 (en) * | 2008-12-23 | 2013-08-20 | Caterpillar Inc. | Hydraulic control system having flow force compensation |
| CN107250463B (zh) * | 2015-01-09 | 2020-04-03 | 沃尔沃建筑设备公司 | 用于建筑机械的液压泵的控制方法 |
| CN112983798B (zh) | 2021-03-25 | 2023-02-24 | 烟台杰瑞石油装备技术有限公司 | 应用于电驱压裂设备的控制方法及其控制装置 |
| CN115380152B (zh) | 2022-06-24 | 2023-08-18 | 烟台杰瑞石油装备技术有限公司 | 一种压裂控制方法及压裂系统 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2977765A (en) * | 1959-12-23 | 1961-04-04 | Honeywell Regulator Co | Servo motor control apparatus |
| US3429225A (en) * | 1966-06-09 | 1969-02-25 | Abex Corp | Electrohydraulic displacement control with mechanical feedback |
| US3424370A (en) * | 1967-03-13 | 1969-01-28 | Carrier Corp | Gas compression systems |
| DE1650785B2 (de) * | 1968-02-27 | 1976-10-28 | Klöckner-Ferromatic GmbH, 7831 Malterdingen | Vorrichtung fuer die antriebsregelung von spritzgiessmaschinen |
| US3516605A (en) * | 1968-11-01 | 1970-06-23 | Gen Electric | Fluidic multiplier circuit |
| US3667225A (en) * | 1970-08-12 | 1972-06-06 | Scott Equipment Co | Hydrostatic drive and control system therefor |
-
1971
- 1971-03-10 DE DE19712111359 patent/DE2111359A1/de active Pending
-
1972
- 1972-02-14 GB GB678872A patent/GB1376829A/en not_active Expired
- 1972-02-28 CH CH276572A patent/CH533241A/de not_active IP Right Cessation
- 1972-03-07 IT IT21494/72A patent/IT949930B/it active
- 1972-03-07 US US00232477A patent/US3788775A/en not_active Expired - Lifetime
- 1972-03-08 DD DD161425A patent/DD95760A5/xx unknown
- 1972-03-09 FR FR7208298A patent/FR2129570A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2129570A5 (en:Method) | 1972-10-27 |
| CH533241A (de) | 1973-01-31 |
| IT949930B (it) | 1973-06-11 |
| DE2111359A1 (de) | 1972-09-28 |
| GB1376829A (en) | 1974-12-11 |
| US3788775A (en) | 1974-01-29 |