DE69329828T2 - Kapazitätsregelvorrichtung für hydraulische pumpe mit veränderlicher fördermenge - Google Patents
Kapazitätsregelvorrichtung für hydraulische pumpe mit veränderlicher fördermengeInfo
- Publication number
- DE69329828T2 DE69329828T2 DE69329828T DE69329828T DE69329828T2 DE 69329828 T2 DE69329828 T2 DE 69329828T2 DE 69329828 T DE69329828 T DE 69329828T DE 69329828 T DE69329828 T DE 69329828T DE 69329828 T2 DE69329828 T2 DE 69329828T2
- Authority
- DE
- Germany
- Prior art keywords
- control device
- flow rate
- hydraulic pump
- capacity control
- variable flow
- 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.)
- Expired - Fee Related
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
- F04B49/002—Hydraulic systems to change the pump delivery
-
- 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
- F04B2201/1202—Torque on the axis
-
- 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)
- Reciprocating Pumps (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4291195A JPH06137276A (ja) | 1992-10-29 | 1992-10-29 | 可変容量油圧ポンプの容量制御装置 |
PCT/JP1993/001577 WO1994010447A1 (en) | 1992-10-29 | 1993-10-29 | Capacity control device in variable capacity hydraulic pump |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69329828D1 DE69329828D1 (de) | 2001-02-08 |
DE69329828T2 true DE69329828T2 (de) | 2001-04-19 |
Family
ID=17765692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69329828T Expired - Fee Related DE69329828T2 (de) | 1992-10-29 | 1993-10-29 | Kapazitätsregelvorrichtung für hydraulische pumpe mit veränderlicher fördermenge |
Country Status (5)
Country | Link |
---|---|
US (1) | US5697764A (de) |
EP (1) | EP0667452B1 (de) |
JP (1) | JPH06137276A (de) |
DE (1) | DE69329828T2 (de) |
WO (1) | WO1994010447A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2311385B (en) * | 1996-03-23 | 2000-07-19 | Trinova Ltd | A fluid power control circuit |
US5972007A (en) * | 1997-10-31 | 1999-10-26 | Ethicon Endo-Surgery, Inc. | Energy-base method applied to prosthetics for repairing tissue defects |
US6802457B1 (en) | 1998-09-21 | 2004-10-12 | Caterpillar Inc | Coatings for use in fuel system components |
US6715693B1 (en) | 2000-02-15 | 2004-04-06 | Caterpillar Inc | Thin film coating for fuel injector components |
US6468046B1 (en) | 2000-09-18 | 2002-10-22 | Caterpillar Inc | Apparatus and method for controlling a discharge pressure of a variable displacement hydraulic pump |
JP2002130145A (ja) * | 2000-10-19 | 2002-05-09 | Komatsu Ltd | 可変容量形ポンプの容量制御装置 |
US6374722B1 (en) | 2000-10-26 | 2002-04-23 | Caterpillar Inc. | Apparatus and method for controlling a 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 |
US6848254B2 (en) * | 2003-06-30 | 2005-02-01 | Caterpillar Inc. | Method and apparatus for controlling a hydraulic motor |
US7503173B2 (en) * | 2005-02-08 | 2009-03-17 | Parker-Hannifin Corporation | Control devices for swashplate type variable displacement piston pump |
US20060198736A1 (en) * | 2005-03-01 | 2006-09-07 | Caterpillar Inc. | Pump control system for variable displacement pump |
JP2006307657A (ja) * | 2005-04-26 | 2006-11-09 | Shin Caterpillar Mitsubishi Ltd | 作業機用油圧ポンプの斜板制御回路 |
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 |
CN104061143B (zh) * | 2013-07-17 | 2016-08-10 | 福州大学 | 一种应用于轴向柱塞泵的负流量与总功率控制的系统 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2952083A1 (de) * | 1979-12-22 | 1981-06-25 | Robert Bosch Gmbh, 7000 Stuttgart | Regeleinrichtung fuer eine verstellbare pumpe |
DE3143074A1 (de) * | 1981-10-30 | 1983-05-11 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zur druck- und stromregelung einer verstellbaren pumpe |
US4553904A (en) * | 1981-12-21 | 1985-11-19 | Caterpillar Tractor Co. | Pump control with fluid responsive standby pressure |
JPH0735783B2 (ja) * | 1986-02-17 | 1995-04-19 | 川崎重工業株式会社 | 可変容量形ポンプの流量制御回路 |
US4821514A (en) * | 1987-06-09 | 1989-04-18 | Deere & Company | Pressure flow compensating control circuit |
JP2711894B2 (ja) * | 1989-04-28 | 1998-02-10 | 株式会社小松製作所 | 油圧駆動車の可変容量ポンプ制御装置 |
EP0477370B2 (de) * | 1990-01-11 | 1998-11-04 | Hitachi Construction Machinery Co., Ltd. | Hydraulisches ventil |
JPH0462376U (de) * | 1990-10-04 | 1992-05-28 | ||
JP2560291Y2 (ja) * | 1990-10-05 | 1998-01-21 | 株式会社小松製作所 | 可変容量型油圧ポンプの容量制御装置 |
JPH04173433A (ja) * | 1990-11-06 | 1992-06-22 | Toyota Autom Loom Works Ltd | 車両用油圧システム |
JPH05172107A (ja) * | 1991-12-24 | 1993-07-09 | Komatsu Ltd | 可変油圧ポンプの容量制御装置 |
-
1992
- 1992-10-29 JP JP4291195A patent/JPH06137276A/ja active Pending
-
1993
- 1993-10-29 WO PCT/JP1993/001577 patent/WO1994010447A1/ja not_active Application Discontinuation
- 1993-10-29 DE DE69329828T patent/DE69329828T2/de not_active Expired - Fee Related
- 1993-10-29 US US08/416,757 patent/US5697764A/en not_active Expired - Fee Related
- 1993-10-29 EP EP93923672A patent/EP0667452B1/de not_active Revoked
Also Published As
Publication number | Publication date |
---|---|
EP0667452B1 (de) | 2001-01-03 |
JPH06137276A (ja) | 1994-05-17 |
DE69329828D1 (de) | 2001-02-08 |
EP0667452A1 (de) | 1995-08-16 |
WO1994010447A1 (en) | 1994-05-11 |
US5697764A (en) | 1997-12-16 |
EP0667452A4 (de) | 1996-12-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8339 | Ceased/non-payment of the annual fee |