EP0632167A3 - Apparatus and method for controlling hydraulic construction equipment. - Google Patents
Apparatus and method for controlling hydraulic construction equipment. Download PDFInfo
- Publication number
- EP0632167A3 EP0632167A3 EP94107376A EP94107376A EP0632167A3 EP 0632167 A3 EP0632167 A3 EP 0632167A3 EP 94107376 A EP94107376 A EP 94107376A EP 94107376 A EP94107376 A EP 94107376A EP 0632167 A3 EP0632167 A3 EP 0632167A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- construction equipment
- controlling hydraulic
- hydraulic construction
- controlling
- equipment
- 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- Withdrawn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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2296—Systems with a variable displacement pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/2025—Particular purposes of control systems not otherwise provided for
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2221—Control of flow rate; Load sensing arrangements
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
- E02F9/2228—Control of flow rate; Load sensing arrangements using pressure-compensating valves including an electronic controller
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
- E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps including an electronic controller
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2292—Systems with two or more pumps
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019930012456A KR0171389B1 (en) | 1993-07-02 | 1993-07-02 | Control device and method for hydraulic construction machinery |
KR9312456 | 1993-07-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0632167A2 EP0632167A2 (en) | 1995-01-04 |
EP0632167A3 true EP0632167A3 (en) | 1996-12-11 |
Family
ID=19358664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94107376A Withdrawn EP0632167A3 (en) | 1993-07-02 | 1994-05-11 | Apparatus and method for controlling hydraulic construction equipment. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0632167A3 (en) |
JP (1) | JPH0726591A (en) |
KR (1) | KR0171389B1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6115660A (en) * | 1997-11-26 | 2000-09-05 | Case Corporation | Electronic coordinated control for a two-axis work implement |
US6233511B1 (en) * | 1997-11-26 | 2001-05-15 | Case Corporation | Electronic control for a two-axis work implement |
KR101922729B1 (en) * | 2012-01-30 | 2019-02-20 | 두산인프라코어 주식회사 | Electro-hydraulic control system of construction machinery |
CN102817394B (en) * | 2012-09-07 | 2014-10-01 | 三一重机有限公司 | Hydraulic pump control system of excavator, method and excavator |
JP6867398B2 (en) * | 2017-08-31 | 2021-04-28 | 株式会社小松製作所 | Work machine control system and work machine control method |
EP3670929B1 (en) * | 2018-12-20 | 2022-08-24 | Siemens Gamesa Renewable Energy A/S | Hydraulic pump arrangement |
CN113404116A (en) * | 2021-06-11 | 2021-09-17 | 山东常林机械集团股份有限公司 | Control method and system for flat ground mode of energy storage excavator |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1988003285A1 (en) * | 1986-10-22 | 1988-05-05 | Caterpillar Inc. | Proportional valve control apparatus for fluid systems |
FR2669661A1 (en) * | 1990-11-24 | 1992-05-29 | Samsung Heavy Ind | DEVICE AND METHOD FOR AUTOMATICALLY CONTROLLING THE FLOW OF HYDRAULIC FLUID OF AN EXCAVATOR. |
WO1993000487A1 (en) * | 1991-06-25 | 1993-01-07 | The University Of British Columbia | Proportional hydraulic control |
EP0545271A1 (en) * | 1991-11-30 | 1993-06-09 | Samsung Heavy Industries Co., Ltd | Flow rate control apparatus for oil-hydraulic pump |
-
1993
- 1993-07-02 KR KR1019930012456A patent/KR0171389B1/en not_active IP Right Cessation
-
1994
- 1994-05-11 EP EP94107376A patent/EP0632167A3/en not_active Withdrawn
- 1994-05-12 JP JP6124412A patent/JPH0726591A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1988003285A1 (en) * | 1986-10-22 | 1988-05-05 | Caterpillar Inc. | Proportional valve control apparatus for fluid systems |
FR2669661A1 (en) * | 1990-11-24 | 1992-05-29 | Samsung Heavy Ind | DEVICE AND METHOD FOR AUTOMATICALLY CONTROLLING THE FLOW OF HYDRAULIC FLUID OF AN EXCAVATOR. |
WO1993000487A1 (en) * | 1991-06-25 | 1993-01-07 | The University Of British Columbia | Proportional hydraulic control |
EP0545271A1 (en) * | 1991-11-30 | 1993-06-09 | Samsung Heavy Industries Co., Ltd | Flow rate control apparatus for oil-hydraulic pump |
Also Published As
Publication number | Publication date |
---|---|
JPH0726591A (en) | 1995-01-27 |
KR950003644A (en) | 1995-02-17 |
EP0632167A2 (en) | 1995-01-04 |
KR0171389B1 (en) | 1999-03-30 |
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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 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE FR GB IT |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE FR GB IT |
|
17P | Request for examination filed |
Effective date: 19970131 |
|
17Q | First examination report despatched |
Effective date: 19981204 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: VOLVO CONSTRUCTION EQUIPMENT KOREA CO., LTD. |
|
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: 19990415 |