ATE455907T1 - Baumaschine - Google Patents
BaumaschineInfo
- Publication number
- ATE455907T1 ATE455907T1 AT01932085T AT01932085T ATE455907T1 AT E455907 T1 ATE455907 T1 AT E455907T1 AT 01932085 T AT01932085 T AT 01932085T AT 01932085 T AT01932085 T AT 01932085T AT E455907 T1 ATE455907 T1 AT E455907T1
- Authority
- AT
- Austria
- Prior art keywords
- construction machinery
- electric motor
- hydraulic pumps
- revolutions
- levers
- Prior art date
Links
- 238000010276 construction Methods 0.000 title 1
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
- E02F9/2292—Systems with two or more pumps
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- 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
-
- 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
- E02F9/2004—Control mechanisms, e.g. control levers
- E02F9/2012—Setting the functions of the control levers, e.g. changing assigned functions among operations levers, setting functions dependent on the operator or seat orientation
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- 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
- E02F9/2058—Electric or electro-mechanical or mechanical control devices of vehicle sub-units
- E02F9/2062—Control of propulsion units
- E02F9/2075—Control of propulsion units of the hybrid type
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- 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
- E02F9/2058—Electric or electro-mechanical or mechanical control devices of vehicle sub-units
- E02F9/2095—Control of electric, electro-mechanical or mechanical equipment not otherwise provided for, e.g. ventilators, electro-driven fans
-
- 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
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- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
- F15B11/165—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for adjusting the pump output or bypass in response to demand
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
- F15B11/167—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load using pilot pressure to sense the demand
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20507—Type of prime mover
- F15B2211/20515—Electric motor
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20507—Type of prime mover
- F15B2211/20523—Internal combustion engine
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20561—Type of pump reversible
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20576—Systems with pumps with multiple pumps
- F15B2211/20584—Combinations of pumps with high and low capacity
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
- F15B2211/212—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30505—Non-return valves, i.e. check valves
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30505—Non-return valves, i.e. check valves
- F15B2211/3051—Cross-check valves
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/3056—Assemblies of multiple valves
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3105—Neutral or centre positions
- F15B2211/3111—Neutral or centre positions the pump port being closed in the centre position, e.g. so-called closed centre
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3122—Special positions other than the pump port being connected to working ports or the working ports being connected to the return line
- F15B2211/3127—Floating position connecting the working ports and the return line
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3122—Special positions other than the pump port being connected to working ports or the working ports being connected to the return line
- F15B2211/3133—Regenerative position connecting the working ports or connecting the working ports to the pump, e.g. for high-speed approach stroke
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
- F15B2211/3157—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line
- F15B2211/31576—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line having a single pressure source and a single output member
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/327—Directional control characterised by the type of actuation electrically or electronically
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/329—Directional control characterised by the type of actuation actuated by fluid pressure
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/355—Pilot pressure control
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/45—Control of bleed-off flow, e.g. control of bypass flow to the return line
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/455—Control of flow in the feed line, i.e. meter-in control
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/46—Control of flow in the return line, i.e. meter-out control
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
- F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
- F15B2211/5151—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a directional control valve
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6306—Electronic controllers using input signals representing a pressure
- F15B2211/6316—Electronic controllers using input signals representing a pressure the pressure being a pilot pressure
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
- F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve means
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/665—Methods of control using electronic components
- F15B2211/6658—Control using different modes, e.g. four-quadrant-operation, working mode and transportation mode
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/67—Methods for controlling pilot pressure
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- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7135—Combinations of output members of different types, e.g. single-acting cylinders with rotary motors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
- Hydrogenated Pyridines (AREA)
- Forklifts And Lifting Vehicles (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000151423A JP3951555B2 (ja) | 2000-05-23 | 2000-05-23 | 建設機械 |
| JP2000299499A JP3870684B2 (ja) | 2000-09-29 | 2000-09-29 | ショベル |
| PCT/JP2001/004076 WO2001090490A1 (en) | 2000-05-23 | 2001-05-16 | Construction machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE455907T1 true ATE455907T1 (de) | 2010-02-15 |
Family
ID=26592390
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT08105263T ATE495312T1 (de) | 2000-05-23 | 2001-05-16 | Baumaschine |
| AT01932085T ATE455907T1 (de) | 2000-05-23 | 2001-05-16 | Baumaschine |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT08105263T ATE495312T1 (de) | 2000-05-23 | 2001-05-16 | Baumaschine |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6851207B2 (de) |
| EP (2) | EP1291467B1 (de) |
| KR (1) | KR100517849B1 (de) |
| AT (2) | ATE495312T1 (de) |
| DE (2) | DE60141137D1 (de) |
| WO (1) | WO2001090490A1 (de) |
Families Citing this family (75)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6851207B2 (en) * | 2000-05-23 | 2005-02-08 | Kobelco Construction Machinery Co., Ltd. | Construction machinery |
| US7067999B2 (en) * | 2002-05-09 | 2006-06-27 | Kobelco Construction Machinery Co., Ltd. | Rotation control device of working machine |
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| JP4047110B2 (ja) * | 2002-09-11 | 2008-02-13 | 株式会社小松製作所 | 建設機械 |
| JP2004190845A (ja) * | 2002-12-13 | 2004-07-08 | Shin Caterpillar Mitsubishi Ltd | 作業機械の駆動装置 |
| JP2005076781A (ja) * | 2003-09-01 | 2005-03-24 | Shin Caterpillar Mitsubishi Ltd | 作業機械の駆動装置 |
| JP4629377B2 (ja) * | 2003-09-02 | 2011-02-09 | 株式会社小松製作所 | 建設機械 |
| JP4468047B2 (ja) * | 2004-04-02 | 2010-05-26 | コベルコ建機株式会社 | 作業機械の非常時旋回制動装置 |
| JP4270012B2 (ja) * | 2004-04-07 | 2009-05-27 | コベルコ建機株式会社 | 旋回式作業機械 |
| KR101155785B1 (ko) * | 2004-12-31 | 2012-06-12 | 두산인프라코어 주식회사 | 굴삭기의 하이브리드 유압제어시스템 |
| JP2006329248A (ja) * | 2005-05-24 | 2006-12-07 | Kobelco Contstruction Machinery Ltd | 作業機械の油圧供給装置 |
| US7950481B2 (en) * | 2005-09-29 | 2011-05-31 | Caterpillar Inc. | Electric powertrain for machine |
| ITBO20050592A1 (it) * | 2005-09-30 | 2007-04-01 | C V S S P A | Apparecchiatura per il trasporto di un carico |
| EP1937904B1 (de) * | 2005-10-14 | 2016-12-14 | Volvo Construction Equipment AB | Arbeitsmaschine |
| CN101291823B (zh) * | 2005-10-14 | 2012-04-25 | 沃尔沃建筑设备公司 | 作业机械 |
| US7487023B2 (en) * | 2005-10-27 | 2009-02-03 | Kobelco Construction Machinery Co., Ltd. | Construction machine |
| JP4100425B2 (ja) | 2005-11-22 | 2008-06-11 | コベルコ建機株式会社 | 作業機械の制御装置 |
| FI118882B (fi) * | 2005-11-28 | 2008-04-30 | Ponsse Oyj | Menetelmä ja järjestely metsäkoneen tehonsiirrossa |
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| EP2208829A4 (de) * | 2007-10-18 | 2016-09-14 | Sumitomo Heavy Industries | Drehantriebssteuerungsvorrichtung und baumaschine mit dieser vorrichtung |
| US8360180B2 (en) * | 2007-12-31 | 2013-01-29 | Caterpillar Inc. | System for controlling a hybrid energy system |
| CN102046889B (zh) * | 2008-05-29 | 2012-09-19 | 住友建机株式会社 | 回转驱动控制装置及包括该回转驱动控制装置的施工机械 |
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| CN102209655B (zh) | 2008-11-10 | 2015-05-06 | 住友重机械工业株式会社 | 混合式施工机械 |
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| DE202009001045U1 (de) * | 2009-01-28 | 2010-07-22 | Liebherr-Mischtechnik Gmbh | Fahrmischer |
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| CN102549219B (zh) * | 2009-09-15 | 2015-02-25 | 住友重机械工业株式会社 | 混合式施工机械 |
| FR2952139B1 (fr) * | 2009-10-30 | 2011-12-09 | Mailleux | Circuit de commande d'un actionneur hydraulique et machine equipee d'un tel circuit. |
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| US20130205762A1 (en) * | 2011-11-29 | 2013-08-15 | Vanguard Equipment, Inc. | Auxiliary flow valve system and method for managing load flow requirements for auxiliary functions on a tractor hydraulic system |
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| CN105350597B (zh) * | 2015-10-27 | 2017-12-15 | 湖南工程学院 | 一种并联式混合动力挖掘机动力系统控制方法 |
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| WO2018199143A1 (ja) * | 2017-04-26 | 2018-11-01 | 住友建機株式会社 | ショベル、ショベル管理装置、及びショベル管理支援装置 |
| KR101871415B1 (ko) * | 2017-07-21 | 2018-06-26 | 부산항만공사 | 연약지반 개량용 크레인의 드레인재 압입장치 |
| KR101875859B1 (ko) * | 2017-07-21 | 2018-07-06 | 부산항만공사 | 연약지반 개량용 크레인의 드레인재 압입장치 |
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| KR102763246B1 (ko) * | 2020-02-27 | 2025-02-04 | 에이치디현대인프라코어 주식회사 | 건설 기계 |
| US20220098832A1 (en) * | 2020-09-28 | 2022-03-31 | Artisan Vehicle Systems, Inc. | Redundant Dual Pump Hydraulic System and Method for Electric Mining Machine |
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| AU2021391884A1 (en) * | 2020-12-03 | 2023-07-13 | Hudson Strategic Limited | Apparatus for pruning live trees |
| IT202100018932A1 (it) * | 2021-07-16 | 2023-01-16 | Cnh Ind Italia Spa | Metodo e sistema di controllo di un attuatore idraulico per un veicolo da lavoro elettrificato |
| IT202100018941A1 (it) * | 2021-07-16 | 2023-01-16 | Cnh Ind Italia Spa | Circuito elettro-idraulico di controllo di un attuatore idraulico per un veicolo da lavoro elettrificato |
| EP4130494B1 (de) * | 2021-07-29 | 2024-09-11 | CNH Industrial Italia S.p.A. | Elektrohydraulischer kreislauf zur betätigung eines hydraulischen aktuators für ein elektrifiziertes arbeitsfahrzeug |
| IT202100027794A1 (it) * | 2021-10-29 | 2023-04-29 | Cnh Ind Italia Spa | Metodo e sistema di controllo di un circuito idraulico di un veicolo da lavoro |
| IT202100030143A1 (it) * | 2021-11-29 | 2023-05-29 | Cnh Ind Italia Spa | Metodo e sistema di controllo di un circuito idraulico di un veicolo da lavoro |
| CN115653031B (zh) * | 2022-12-27 | 2024-07-02 | 徐州徐工矿业机械有限公司 | 一种大型正铲式矿用挖掘机动力系统 |
| EP4438470A1 (de) * | 2023-03-31 | 2024-10-02 | Airbus Operations GmbH | Verfahren und vorrichtung zur erzeugung von hydraulischer energie in einem flugzeug |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3747351A (en) * | 1971-10-22 | 1973-07-24 | Bertea Corp | Hydraulic system |
| EP0103727A1 (de) * | 1982-09-02 | 1984-03-28 | Inventio Ag | Gleichlaufregelungseinrichtung für den elektrohydraulischen Antrieb einer Abkantpresse |
| KR910009257B1 (ko) * | 1985-09-07 | 1991-11-07 | 히다찌 겡끼 가부시기가이샤 | 유압건설기계의 제어시스템 |
| KR950001446A (ko) * | 1993-06-30 | 1995-01-03 | 경주현 | 굴삭기의 자동 반복작업 제어방법 |
| JPH0893707A (ja) | 1994-09-29 | 1996-04-09 | Shin Caterpillar Mitsubishi Ltd | 電動式建設機械の油圧装置 |
| JP3059924B2 (ja) * | 1995-12-18 | 2000-07-04 | 新キャタピラー三菱株式会社 | 建設機械 |
| DE19642163A1 (de) * | 1996-01-10 | 1997-07-24 | Trinova Gmbh | Verlustarmer Antrieb für mehrere hydraulische Aktuatoren |
| DE69731256T2 (de) | 1996-06-19 | 2006-03-02 | Kabushiki Kaisha Kobe Seiko Sho Also Known As Kobe Steel Ltd. | Batteriebetriebene Baumaschine |
| US5778671A (en) * | 1996-09-13 | 1998-07-14 | Vickers, Inc. | Electrohydraulic system and apparatus with bidirectional electric-motor/hydraulic-pump unit |
| JPH10103112A (ja) * | 1996-09-26 | 1998-04-21 | Daikin Ind Ltd | 油圧駆動装置 |
| JPH1181388A (ja) | 1997-09-12 | 1999-03-26 | Toyo Umpanki Co Ltd | ホイールローダの走行駆動装置 |
| JP4136041B2 (ja) * | 1997-12-04 | 2008-08-20 | 日立建機株式会社 | 油圧作業機の油圧駆動装置 |
| JPH11336703A (ja) * | 1998-05-26 | 1999-12-07 | Yuhshin Co Ltd | 油圧機器の制御装置 |
| JPH11343642A (ja) * | 1998-06-01 | 1999-12-14 | Kobe Steel Ltd | バッテリー駆動式作業機械 |
| JP2000009101A (ja) * | 1998-06-22 | 2000-01-11 | Kayaba Ind Co Ltd | 油圧アクチュエータの制御装置 |
| JP4194707B2 (ja) * | 1999-03-24 | 2008-12-10 | ザウアーダンフォス・ダイキン株式会社 | バッテリ式作業機械 |
| JP3415061B2 (ja) * | 1999-04-05 | 2003-06-09 | 東芝機械株式会社 | 射出成形機における油圧ポンプ駆動用電動機の駆動制御方法および装置 |
| JP2001003398A (ja) * | 1999-06-25 | 2001-01-09 | Kobe Steel Ltd | ハイブリッド建設機械 |
| ATE455906T1 (de) * | 1999-06-28 | 2010-02-15 | Kobelco Constr Machinery Ltd | Bagger mit hybrid-antriebsvorrichtung |
| JP2001323902A (ja) * | 2000-05-16 | 2001-11-22 | Hitachi Constr Mach Co Ltd | 油圧駆動装置 |
| US6851207B2 (en) * | 2000-05-23 | 2005-02-08 | Kobelco Construction Machinery Co., Ltd. | Construction machinery |
| JP4082935B2 (ja) * | 2002-06-05 | 2008-04-30 | 株式会社小松製作所 | ハイブリッド式建設機械 |
-
2001
- 2001-05-16 US US10/276,304 patent/US6851207B2/en not_active Expired - Fee Related
- 2001-05-16 AT AT08105263T patent/ATE495312T1/de not_active IP Right Cessation
- 2001-05-16 DE DE60141137T patent/DE60141137D1/de not_active Expired - Lifetime
- 2001-05-16 EP EP01932085A patent/EP1291467B1/de not_active Expired - Lifetime
- 2001-05-16 WO PCT/JP2001/004076 patent/WO2001090490A1/ja not_active Ceased
- 2001-05-16 DE DE60143863T patent/DE60143863D1/de not_active Expired - Lifetime
- 2001-05-16 AT AT01932085T patent/ATE455907T1/de not_active IP Right Cessation
- 2001-05-16 KR KR10-2002-7015752A patent/KR100517849B1/ko not_active Expired - Fee Related
- 2001-05-16 EP EP08105263A patent/EP1995385B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1995385A3 (de) | 2008-12-17 |
| EP1995385A2 (de) | 2008-11-26 |
| EP1291467B1 (de) | 2010-01-20 |
| DE60141137D1 (de) | 2010-03-11 |
| EP1291467A4 (de) | 2008-01-23 |
| KR20030036186A (ko) | 2003-05-09 |
| ATE495312T1 (de) | 2011-01-15 |
| US20030132729A1 (en) | 2003-07-17 |
| WO2001090490A1 (en) | 2001-11-29 |
| DE60143863D1 (de) | 2011-02-24 |
| KR100517849B1 (ko) | 2005-10-04 |
| EP1291467A1 (de) | 2003-03-12 |
| US6851207B2 (en) | 2005-02-08 |
| EP1995385B1 (de) | 2011-01-12 |
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| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |