JP2005121020A - 液圧ポンプのための制御システム - Google Patents
液圧ポンプのための制御システム Download PDFInfo
- Publication number
- JP2005121020A JP2005121020A JP2004299471A JP2004299471A JP2005121020A JP 2005121020 A JP2005121020 A JP 2005121020A JP 2004299471 A JP2004299471 A JP 2004299471A JP 2004299471 A JP2004299471 A JP 2004299471A JP 2005121020 A JP2005121020 A JP 2005121020A
- Authority
- JP
- Japan
- Prior art keywords
- swash plate
- signal
- microprocessor
- pressure
- servo
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/26—Control
- F04B1/30—Control of machines or pumps with rotary cylinder blocks
- F04B1/32—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
- F04B1/324—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the swash 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
- 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
- F04B49/065—Control using electricity and making use of computers
-
- 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
- F04B2201/12051—Angular position
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Reciprocating Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/686,369 US20050084387A1 (en) | 2003-10-15 | 2003-10-15 | Control system for hydrostatic pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005121020A true JP2005121020A (ja) | 2005-05-12 |
| JP2005121020A5 JP2005121020A5 (enExample) | 2008-09-11 |
Family
ID=34520749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004299471A Pending JP2005121020A (ja) | 2003-10-15 | 2004-10-14 | 液圧ポンプのための制御システム |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20050084387A1 (enExample) |
| JP (1) | JP2005121020A (enExample) |
| CN (1) | CN1607333A (enExample) |
| DE (1) | DE102004050132A1 (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8020659B2 (en) * | 2007-11-28 | 2011-09-20 | Caterpillar Paving Products Inc. | Hydrostatically driven vehicle and method therefor |
| US9234532B2 (en) | 2008-09-03 | 2016-01-12 | Parker-Hannifin Corporation | Velocity control of unbalanced hydraulic actuator subjected to over-center load conditions |
| US8333571B2 (en) * | 2008-12-12 | 2012-12-18 | Caterpillar Inc. | Pump having pulsation-reducing engagement surface |
| GB2509100A (en) * | 2012-12-20 | 2014-06-25 | Eaton Ind Ip Gmbh & Co Kg | Magnetic position sensor for swashplate control piston |
| CN104251245B (zh) | 2013-06-28 | 2016-12-28 | 伊顿公司 | 伺服泵控制系统及方法 |
| BR112016001858A2 (pt) * | 2013-07-30 | 2017-08-01 | Parker Hannifin Corp | redução de sobreimpulso em controles de bomba |
| US20150275890A1 (en) * | 2014-03-27 | 2015-10-01 | General Electric Company | System and method for controlling an integrated pump and energy recovery system |
| US20150292499A1 (en) * | 2014-04-14 | 2015-10-15 | Parker-Hannifin Corporation | Hydraulically controlled hydrostatic transmission |
| EP3690229B8 (en) | 2019-01-31 | 2021-11-24 | Danfoss Power Solutions II Technology A/S | Displacement control with angle sensor adjustment |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US456403A (en) * | 1891-07-21 | Island | ||
| US4606313A (en) * | 1980-10-09 | 1986-08-19 | Hitachi Construction Machinery Co., Ltd. | Method of and system for controlling hydraulic power system |
| US4546403A (en) * | 1984-03-02 | 1985-10-08 | Ford Motor Company | Solenoid switching driver with solenoid current proportional to an analog voltage |
| JPS6365178A (ja) * | 1986-09-05 | 1988-03-23 | Toyota Autom Loom Works Ltd | 流体の制御機構 |
| JP2658432B2 (ja) * | 1988-12-01 | 1997-09-30 | ダイキン工業株式会社 | 油圧制御装置 |
| US5285913A (en) * | 1992-11-24 | 1994-02-15 | H-C Industries, Inc. | Closure assembly with insert liner |
| US5432693A (en) * | 1993-04-01 | 1995-07-11 | Ford Motor Company | Digital pulse width modulator circuit with proportional dither |
| FR2734394A1 (fr) * | 1995-05-17 | 1996-11-22 | Caterpillar Inc | Commande d'amplitude de tremblement |
| SE9503286L (sv) * | 1995-09-22 | 1997-03-17 | Alfa Laval Automation Ab | Förfarande samt reglersystem för friktionskomepensation |
| JPH102284A (ja) * | 1996-06-17 | 1998-01-06 | Toyota Autom Loom Works Ltd | 可変容量圧縮機及びその制御方法 |
| JP3487094B2 (ja) * | 1996-10-18 | 2004-01-13 | 株式会社日立製作所 | スロットル弁制御装置 |
| JP3372894B2 (ja) * | 1999-05-26 | 2003-02-04 | 株式会社豊田中央研究所 | 摺動抵抗を有する制御系の制御装置 |
| JP2001074162A (ja) * | 1999-09-01 | 2001-03-23 | Ebara Corp | 流体制御弁及びフィルタ付きプレート |
| US6375433B1 (en) * | 2000-07-07 | 2002-04-23 | Caterpillar Inc. | Method and apparatus for controlling pump discharge pressure of a variable displacement hydraulic pump |
| US6623247B2 (en) * | 2001-05-16 | 2003-09-23 | Caterpillar Inc | Method and apparatus for controlling a variable displacement hydraulic pump |
| JP2003083244A (ja) * | 2001-09-06 | 2003-03-19 | Nippon Soken Inc | 斜板型可変容量圧縮機 |
| JP2003201945A (ja) * | 2001-12-28 | 2003-07-18 | Hitachi Unisia Automotive Ltd | 内燃機関の点火時期制御装置 |
-
2003
- 2003-10-15 US US10/686,369 patent/US20050084387A1/en not_active Abandoned
-
2004
- 2004-10-14 JP JP2004299471A patent/JP2005121020A/ja active Pending
- 2004-10-14 DE DE102004050132A patent/DE102004050132A1/de not_active Withdrawn
- 2004-10-15 CN CN200410085544.9A patent/CN1607333A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20050084387A1 (en) | 2005-04-21 |
| DE102004050132A1 (de) | 2005-05-25 |
| CN1607333A (zh) | 2005-04-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070423 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080730 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090929 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20100309 |