EP1207304A4 - Pump control method and pump control device - Google Patents
Pump control method and pump control deviceInfo
- Publication number
- EP1207304A4 EP1207304A4 EP00966500A EP00966500A EP1207304A4 EP 1207304 A4 EP1207304 A4 EP 1207304A4 EP 00966500 A EP00966500 A EP 00966500A EP 00966500 A EP00966500 A EP 00966500A EP 1207304 A4 EP1207304 A4 EP 1207304A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump control
- control device
- control method
- pump
- control
- Prior art date
- 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.)
- Withdrawn
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
- F04B2201/00—Pump parameters
- F04B2201/12—Parameters of driving or driven means
- F04B2201/1204—Position of a rotating inclined plate
-
- 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
- F04B2201/00—Pump parameters
- F04B2201/12—Parameters of driving or driven means
- F04B2201/1205—Position of a non-rotating inclined plate
-
- 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
- F04B2203/00—Motor parameters
- F04B2203/06—Motor parameters of internal combustion engines
- F04B2203/0605—Rotational speed
-
- 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
- F04B2205/00—Fluid parameters
- F04B2205/05—Pressure after the pump outlet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Operation Control Of Excavators (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000098405 | 2000-03-31 | ||
JP2000098405A JP3697136B2 (en) | 2000-03-31 | 2000-03-31 | Pump control method and pump control apparatus |
PCT/JP2000/007152 WO2001075309A1 (en) | 2000-03-31 | 2000-10-16 | Pump control method and pump control device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1207304A1 EP1207304A1 (en) | 2002-05-22 |
EP1207304A4 true EP1207304A4 (en) | 2010-10-13 |
Family
ID=18612889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00966500A Withdrawn EP1207304A4 (en) | 2000-03-31 | 2000-10-16 | Pump control method and pump control device |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1207304A4 (en) |
JP (1) | JP3697136B2 (en) |
CN (1) | CN1178003C (en) |
WO (1) | WO2001075309A1 (en) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100587172C (en) * | 2004-04-08 | 2010-02-03 | 株式会社小松制作所 | Hydraulic drive device for working machine |
JP4667083B2 (en) * | 2005-03-09 | 2011-04-06 | 株式会社加藤製作所 | Hydraulic control device |
JP4804137B2 (en) | 2005-12-09 | 2011-11-02 | 株式会社小松製作所 | Engine load control device for work vehicle |
CN100406649C (en) * | 2005-12-26 | 2008-07-30 | 三一重工股份有限公司 | Control method and apparatus for omnirange stepless speed-adjusting travel drive of milling machine |
JP2008019755A (en) * | 2006-07-12 | 2008-01-31 | Denso Corp | Control device of electric fuel pump |
JP4853921B2 (en) | 2007-02-14 | 2012-01-11 | キャタピラー エス エー アール エル | Aircraft diagnosis system |
US8057355B2 (en) * | 2008-03-31 | 2011-11-15 | GM Global Technology Operations LLC | Hydraulic control system for multi-mode hybrid transmission and method of regulating the same |
CN101487343B (en) * | 2009-01-14 | 2011-01-19 | 三一重工股份有限公司 | Control method, apparatus and system for concrete pump vehicle |
JP5859733B2 (en) * | 2011-03-08 | 2016-02-16 | 極東開発工業株式会社 | Concrete pump truck |
CN102828942B (en) * | 2011-06-16 | 2015-11-18 | 中联重科股份有限公司 | Constant power control device and method of variable pump and concrete pumping device |
CN102418689B (en) * | 2011-10-31 | 2013-03-27 | 长沙中联重科环卫机械有限公司 | Variable pump control system and method, hydraulic walking equipment and control method thereof |
DE102011120665B4 (en) * | 2011-12-09 | 2023-12-21 | Robert Bosch Gmbh | Method for operating a drive system comprising a hydrostatic drive unit |
CN102734144B (en) * | 2012-06-15 | 2016-02-10 | 三一重机有限公司 | Flow distributing system and flow allocation method |
JP6018442B2 (en) * | 2012-07-10 | 2016-11-02 | 川崎重工業株式会社 | Tilt angle control device |
CN105164428B (en) * | 2013-02-15 | 2017-08-25 | 派克汉尼芬公司 | Variable load senses open center hybrid system |
JP5809657B2 (en) * | 2013-03-29 | 2015-11-11 | 日立建機株式会社 | 7 ton class hydraulic excavator |
JP2015068232A (en) * | 2013-09-27 | 2015-04-13 | ヤンマー株式会社 | Work vehicle |
CN103925089B (en) * | 2014-04-09 | 2017-01-04 | 三一汽车起重机械有限公司 | Engineering machinery, dynamic energy saving method and system |
KR102478297B1 (en) * | 2016-01-07 | 2022-12-16 | 현대두산인프라코어(주) | Control device and control method for construction machine |
NO343276B1 (en) * | 2016-11-30 | 2019-01-14 | Impact Solutions As | A method of controlling a prime mover and a plant for controlling the delivery of a pressurized fluid in a conduit |
CN107725505A (en) * | 2017-09-25 | 2018-02-23 | 柳工常州机械有限公司 | Hydraulic system with different accessory flow regulating functions |
CN107630871A (en) * | 2017-11-13 | 2018-01-26 | 柳工常州机械有限公司 | Hydraulic system |
KR102484104B1 (en) * | 2018-01-31 | 2023-01-04 | 현대두산인프라코어(주) | Travelling control appatatus and method of construction machine |
CN113508207B (en) * | 2019-03-29 | 2023-12-22 | 住友建机株式会社 | Excavator |
EP3951092B1 (en) * | 2019-03-29 | 2023-07-12 | Sumitomo Construction Machinery Co., Ltd. | Excavator |
CN114294210B (en) * | 2021-12-23 | 2024-08-30 | 博世力士乐(常州)有限公司 | Multi-gear pump with delay gear switching function |
CN114576128B (en) * | 2022-02-09 | 2023-03-31 | 中联重科股份有限公司 | Control method, processor and control device for pumping equipment and pumping equipment |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0617670B2 (en) * | 1985-10-28 | 1994-03-09 | 川崎重工業株式会社 | Input control device for hydraulic pump |
JP2681841B2 (en) * | 1990-08-02 | 1997-11-26 | 油研工業株式会社 | Control device for variable displacement pump |
JPH10220359A (en) * | 1997-01-31 | 1998-08-18 | Komatsu Ltd | Controller for variable capacity pump |
JPH11125187A (en) * | 1997-10-22 | 1999-05-11 | Shin Caterpillar Mitsubishi Ltd | Control device of variable displacement hydraulic pump |
-
2000
- 2000-03-31 JP JP2000098405A patent/JP3697136B2/en not_active Expired - Fee Related
- 2000-10-16 WO PCT/JP2000/007152 patent/WO2001075309A1/en active Application Filing
- 2000-10-16 CN CNB008082685A patent/CN1178003C/en not_active Expired - Fee Related
- 2000-10-16 EP EP00966500A patent/EP1207304A4/en not_active Withdrawn
Non-Patent Citations (2)
Title |
---|
No further relevant documents disclosed * |
See also references of WO0175309A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP3697136B2 (en) | 2005-09-21 |
JP2001280256A (en) | 2001-10-10 |
EP1207304A1 (en) | 2002-05-22 |
CN1178003C (en) | 2004-12-01 |
CN1353794A (en) | 2002-06-12 |
WO2001075309A1 (en) | 2001-10-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20020405 |
|
RBV | Designated contracting states (corrected) |
Designated state(s): BE DE FR |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: CATERPILLAR JAPAN LTD. |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20100915 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: CATERPILLAR SARL |
|
17Q | First examination report despatched |
Effective date: 20110126 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20110607 |