EP1436507B1 - Dickstoffpumpe mit fördermengensteuerung - Google Patents
Dickstoffpumpe mit fördermengensteuerung Download PDFInfo
- Publication number
- EP1436507B1 EP1436507B1 EP02772362A EP02772362A EP1436507B1 EP 1436507 B1 EP1436507 B1 EP 1436507B1 EP 02772362 A EP02772362 A EP 02772362A EP 02772362 A EP02772362 A EP 02772362A EP 1436507 B1 EP1436507 B1 EP 1436507B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotational speed
- displacement volume
- pump
- thick matter
- hydraulic pump
- 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 - Lifetime
Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 52
- 230000002441 reversible effect Effects 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims abstract 14
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000000446 fuel Substances 0.000 abstract description 5
- 239000002912 waste gas Substances 0.000 abstract 1
- 239000002002 slurry Substances 0.000 description 9
- 238000005086 pumping Methods 0.000 description 6
- 239000010802 sludge Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
-
- 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
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
-
- 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
- F04B2203/02—Motor parameters of rotating electric motors
- F04B2203/0209—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
- F04B2203/00—Motor parameters
- F04B2203/06—Motor parameters of internal combustion engines
- F04B2203/0605—Rotational speed
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S417/00—Pumps
- Y10S417/90—Slurry pumps, e.g. concrete
Definitions
- the invention relates to a slurry pump with a preferably designed as an internal combustion engine drive motor, with at least one can be coupled to the drive motor, preferably designed as a reversible hydraulic pump with variable displacement, with two connected to the hydraulic pump and controlled via this in push-pull, coupled with a respective delivery cylinder hydraulic cylinders, with a speed controller associated with the drive motor and an actuator associated with the hydraulic pump for adjusting the displacement volume and with a control unit for adjusting the engine speed and the displacement volume of the hydraulic pump.
- the delivery cylinders can be alternately connected to a delivery line via a diverter valve, wherein the delivery line is guided along a distribution boom that can be actuated hydraulically via the hydraulic pump, preferably as a articulated boom.
- DE-A 196 35 200 In mobile concrete pumps, it is known ( DE-A 196 35 200 ) to use the existing vehicle engine and the vehicle transmission for driving the hydraulic pump during pumping operation. For this purpose, usually a transfer case in the propeller shaft of the vehicle is arranged, which can be optionally switched to driving and pumping operation. When pumping the delivery of the sludge pump can be adjusted by varying the speed of the drive motor. It is further known ( DE-A 195 42 258 ), to use a hydraulic pump with variable displacement volume for the control of the hydraulic cylinder of the slurry pump. The delivery rate can be adjusted there additionally by adjusting the displacement of the hydraulic pump at a given engine speed.
- the known hydraulic pumps are for example as Axial piston pumps formed with swash plates, the displacement volume can be varied by adjusting the swivel angle of their swash plates.
- the adjustment of the swashplate pivot angle for example, via a control cylinder, which in turn is controlled via a proportional valve.
- the pump driver was thus optionally two independently operable actuators for setting a desired thick matter flow available.
- the volume control is done solely by adjusting the displacement volume. It is not considered that the specific fuel consumption of the drive motor is mainly dependent on the engine speed and that at high speed, the noise emission and the exhaust gas pollution is increased.
- an actuator associated with the hydraulic pump for adjusting the displacement volume and a control unit for adjusting the engine speed and the displacement volume of the hydraulic pump are known ( US-A-5967756 ), that the control unit has an adjusting member for adjusting the flow rate of the hydraulic pump and responsive to the position of the adjusting control electronics for software-based setpoint input for the speed controller and for the displacement volume actuator.
- the present invention seeks to improve the known slurry pump with flow adjustment of the type specified in that both the fuel consumption and the noise and exhaust emissions are reduced for a given flow rate.
- control unit has a preferably designed as a potentiometer adjustment for adjusting the thick matter delivery (F) and responsive to the position of the adjusting control electronics for software-based setpoint input for the speed controller and the displacement volume actuator.
- control electronics or their software on a base load routine for setting a defined base load speed of the drive motor with connected hydraulic pump, the base load speed over a predetermined adjustment of the setting and the setting of the setting forms a setpoint for the displacement volume of the hydraulic pump.
- control electronics or their software has an idling routine for setting a defined idle speed of the drive motor with uncoupled hydraulic pump.
- the idle speed is suitably 20 to 50% of a predetermined maximum speed.
- the base load speed is advantageously 65 to 80% of a predetermined maximum speed. It has proved to be particularly advantageous if the base load routine is activated in an adjustment range below 65 to 80% of the setting mechanism.
- a further preferred or alternative variant of the invention provides that the control electronics or their software has a peak load routine for setting a defined displacement volume on the hydraulic pump, the displacement volume remains constant over a predetermined adjustment of the adjusting and the set value of the setting a setpoint for the speed controller above the Base load speed forms.
- the peak load routine is advantageously activated in an adjustment range above a predetermined setting value of 65 to 80% of the setting member.
- a preferred embodiment of the invention provides that over the peak load routine at maximum displacement volume of the hydraulic pump speeds between the base load speed and a predetermined maximum speed in accordance with the adjusted set on the flow rate can be adjusted.
- the maximum speed will suitably be more than 1700 rpm.
- a sensor for detecting the hydraulic pressure and / or the pump power is arranged on the pressure side of the hydraulic pump and that the control unit or its software to a predetermined pressure or power value responsive limiting routine for reducing the displacement volume.
- Fig. 1 shown hydraulic circuit is intended for a slurry pump, the two feed cylinder 1,1 ', the frontal openings 2, 2' open into a material feed container, not shown, and alternately during the pressure stroke via a diverter 3 with a delivery line 4 are connectable.
- a sludge pump designed as a concrete pump
- the delivery line is guided via a not shown, preferably designed as a kink mast hydraulically actuated concrete distribution boom.
- the delivery cylinders 1, 1 ' are driven in a push-pull manner via the hydraulic cylinders 5, 5' and the reversible hydraulic pump 6 designed as a swash plate axial piston pump in the exemplary embodiment shown.
- the delivery pistons 7, 7 ' are connected to the drive pistons 8, 8' of the hydraulic cylinders 5, 5 'via a common piston rod 9, 9'.
- a water tank 10 Between the delivery cylinders 1, 1 'and the hydraulic cylinders 5, 5' is a water tank 10 through which the piston rods 9, 9 'reach through.
- the drive cylinders 5, 5 ' are in the embodiment shown on the bottom side via the hydraulic lines 11, 11' of the main circuit with the aid of the hydraulic pump 6 pressurized oil and are hydraulically connected to each other at its rod end via a swing oil line 12.
- a check valve 13 containing pressure equalization line 14 is arranged.
- the direction of movement of the drive piston 8, 8 'and thus the delivery piston 7, 7' is thereby reversed, that the swash plates 15, 15 'of the reversing pump 6 triggered by a Um tenusignal swing through its zero position and thus the conveying direction of the pressure oil in the hydraulic lines 11, 11th 'Change the main circuit.
- the actuation of the conveying direction of the reversing pump 6 determining the main control valve 20 via the electrically tapped Endlagensignale x and xx of the drive cylinder 5.
- the displacement volume V of the reversible pump 6 and thus the hydraulic flow rate is by the tilt angle of its swash plate 15, 15 'and by the speed N of the preferably designed as a diesel engine drive motor 50 determined.
- the swashplate angle is adjustable in proportion to a control pressure which actuates the setting cylinder 18 via the lines 17 and 17 'and the proportional valve 20 located in the relevant line path.
- the high pressure level can be changed in accordance with the switching states of the slurry pump via the shut-off valve 95 and the two pressure relief valves 70, 70 ', while a pressure regulator 71 is provided for setting the low pressure level.
- the control inputs of the hydraulic cylinders can be connected via the shuttle valve 72 or a directional control valve 73 designed as a flush valve to the respective high-pressure or low-pressure line 11, 11 'of the main circuit.
- the auxiliary pump 25 charges the closed main circuit via the check valves 75, 75 'and is protected by the pressure relief valve 74.
- To set the flow rate of the slurry pump are basically two parameters available: The speed N of the coupled with the hydraulic pump 6 output shaft 52 of the drive motor 50 and the defined by the angular position of the swash plate 15 of the hydraulic pump 6 displacement volume V. The setting of these parameters via a control unit 54, which is integrated in a radio remote control to be operated by the pump driver.
- To adjust the flow rate F is the pump driver trained as a potentiometer adjustment member 56 available that he can adjust by hand between the positions 0 and 100%. With the position 0 no concrete is conveyed, while with the position 100% the maximum flow rate is adjusted. In each intermediate position, a proportion of the maximum delivery amount corresponding to the indicated percentage position is promoted.
- the control unit further comprises an on the position of the adjuster 56 responsive control electronics 108 for software-based setpoint input for the speed controller of the motor 50 and for the displacement volume of the hydraulic pump 6 defining angular position of the swash plate 15.
- the actual speed control takes place in the control unit 54.
- the control unit 54 via a tachometer 100 from the actual speed and is connected via the outputs 101 and 102 to the inputs N + and N- of the motor M.
- N + means "give more gas”
- N- means "take gas off”.
- the actuator 20 for the adjustment of Displacement volume of the hydraulic pump 6 is a proportional valve, via whose various travel positions at the same time the cyclic reversal of the hydraulic pump between the two drive cylinders 5, 5 'takes place.
- control unit 54 is connected via the connection 103 to the electromagnets of the electrically actuated proportional valve 20.
- the reaching to the terminals 103 valve current is calculated in the control electronics 108 via the control software and adjusted by pulse width modulation.
- the control unit 54 also includes a port 104 for a pressure sensor in the hydraulic circuit, which provides additional pressure information P for power control and pressure limiting.
- the control software is described below on the basis of in Fig. 2a . b illustrated flowchart explained in more detail.
- the program includes several branches, also referred to as "routines" below.
- the pump 6 can be switched on and off on the remote control via a switch, not shown.
- the control unit recognizes the switch-on state of the pump via a signal at the input 80. Via a further input 82, the control unit 54 receives a signal about the operating state of the distributor boom.
- the adjustment of the rotational speed is effected by the control parameter N- at connection 102 (FIG. Fig. 1 ).
- the idle speed ensures that the engine can overcome the idling friction without stalling.
- the valve current can be increased until the largest at the hydraulic pump 6
- the control software enters the range of the peak load routine 122, with the further increase in the delivery rate can be achieved by increasing the rotational speed N of the motor at maximum displacement volume V of the pump 6 e respective speed is calculated in the program area 124 to form the value N soll and compared with the measured actual value by driving the motor inputs N + and N-.
- the program parts 120 and 126 are linked on the output side with a test routine 128, in which it is checked by evaluating the pressure signal P detected by the sensor 104 as to whether a predetermined power or pressure limit has been reached. If “yes”, the valve current in the proportional valve 103 for adjusting the displacement volume V in the program part 130 is reduced, if "no", the currently set displacement volume V is maintained. From there, a return to program start 110 takes place. There, the next program part is set in motion.
- the engine speed at the base load value is kept constant, while the displacement volume V is increased linearly with the set value F of the adjusting member 56.
- the invention relates to a sludge pump with flow control.
- the slurry pump has a preferably designed as an internal combustion engine drive motor 50, one can be coupled to the drive motor, preferably designed as a reversible hydraulic pump 6 with variable displacement volume V, and two connected to the hydraulic pump 6, via these push-pull controllable and each with a delivery cylinder 7, 7 'coupled for the thick materials hydraulic cylinder 5, 5' on.
- the drive motor 50 is associated with a controller for adjusting the speed N, while the hydraulic pump 6 is associated with an actuator 18, 20 for adjusting the displacement volume V.
- a control unit 54 for adjusting the engine speed N and the displacement volume V is provided.
- control unit 54 an adjusting member 56 for adjusting the thick matter delivery rate F of the delivery cylinder 7, 7 'and responsive to the position of the adjusting 56 control electronics 108 for software-based setpoint input for the speed controller and the displacement volume actuator 20.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Fluid-Pressure Circuits (AREA)
- Rotary Pumps (AREA)
- Threshing Machine Elements (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10150467A DE10150467A1 (de) | 2001-10-16 | 2001-10-16 | Dickstoffpumpe mit Fördermengenregelung |
DE10150467 | 2001-10-16 | ||
PCT/EP2002/011165 WO2003033911A1 (de) | 2001-10-16 | 2002-10-04 | Dickstoffpumpe mit fördermengensteuerung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1436507A1 EP1436507A1 (de) | 2004-07-14 |
EP1436507B1 true EP1436507B1 (de) | 2008-09-03 |
Family
ID=7702330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02772362A Expired - Lifetime EP1436507B1 (de) | 2001-10-16 | 2002-10-04 | Dickstoffpumpe mit fördermengensteuerung |
Country Status (9)
Country | Link |
---|---|
US (1) | US7322802B2 (zh) |
EP (1) | EP1436507B1 (zh) |
JP (1) | JP2005505721A (zh) |
KR (1) | KR100658249B1 (zh) |
CN (1) | CN100540897C (zh) |
AT (1) | ATE407294T1 (zh) |
DE (2) | DE10150467A1 (zh) |
ES (1) | ES2312626T3 (zh) |
WO (1) | WO2003033911A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4180660A1 (de) * | 2021-11-15 | 2023-05-17 | Putzmeister Engineering GmbH | System und verfahren zum betreiben eines systems |
DE102023106431A1 (de) | 2023-03-15 | 2024-09-19 | Schwing Gmbh | Autobetonpumpe |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2003290589A1 (en) | 2002-11-01 | 2004-06-07 | Pelikan Technologies, Inc. | Method and apparatus for body fluid sampling |
DE102004015416A1 (de) * | 2004-03-26 | 2005-10-13 | Putzmeister Ag | Vorrichtung und Verfahren zur Steuerung einer Dickstoffpumpe |
DE102004015419A1 (de) * | 2004-03-26 | 2005-10-13 | Putzmeister Ag | Vorrichtung und Verfahren zur Steuerung einer Dickstoffpumpe |
DE102004015415A1 (de) * | 2004-03-26 | 2005-10-13 | Putzmeister Ag | Vorrichtung und Verfahren zur Steuerung einer Zweizylinder-Dickstoffpumpe |
DE102005008217A1 (de) * | 2005-02-22 | 2006-08-31 | Putzmeister Ag | Hydraulikantrieb, insbesondere für Zweizylinder-Dickstoffpumpen |
KR100852546B1 (ko) | 2007-01-29 | 2008-08-18 | 대우조선해양 주식회사 | 오일압력을 이용한 잠수함용 디젤기관의 폐기밸브자동제어구조 |
CN100520036C (zh) * | 2007-07-03 | 2009-07-29 | 清华大学深圳研究生院 | 双组元液压自由活塞发动机 |
KR101386483B1 (ko) | 2008-04-14 | 2014-04-18 | 엘지전자 주식회사 | 밀폐형 압축기 |
JP4989583B2 (ja) * | 2008-08-06 | 2012-08-01 | Ihi建機株式会社 | コンクリートポンプ車のエンジン回転速度制御方法 |
DE102010001150A1 (de) * | 2010-01-22 | 2011-07-28 | Robert Bosch GmbH, 70469 | Verfahren zum Steuern der Fördermenge einer Förderpumpe |
CN102312827A (zh) * | 2010-06-30 | 2012-01-11 | 中集车辆(集团)有限公司 | 混凝土泵及其泵送控制装置与泵送控制方法 |
FR2965313B1 (fr) * | 2010-09-29 | 2012-09-07 | Exel Ind | Procede, dispositif et moyen d'entrainement de pompe a double effet a mouvement lineaire alternatif |
CN102322147B (zh) * | 2011-05-21 | 2014-01-15 | 三一重工股份有限公司 | 一种搅拌车与泵车协同作业系统 |
DE102011083874A1 (de) * | 2011-09-30 | 2013-04-04 | Putzmeister Engineering Gmbh | Hydrauliksystem mit Saug-Rücklauffilter |
DE102012209142A1 (de) * | 2012-05-31 | 2013-12-05 | Putzmeister Engineering Gmbh | Hydrauliksystem |
CN102913412A (zh) * | 2012-10-08 | 2013-02-06 | 潍坊优力动力配套有限公司 | 液压水泵机组 |
DE102013006333A1 (de) * | 2013-04-12 | 2014-10-16 | Liebherr-Betonpumpen Gmbh | Zweizylinder-Dickstoffpumpe |
DE102013104494B4 (de) | 2013-05-02 | 2023-11-30 | MPS-Matter Pumpsysteme GmbH | Dickstoffpumpe |
CN103557149B (zh) * | 2013-10-29 | 2015-10-28 | 中联重科股份有限公司 | 一种砼活塞的控制设备、方法、系统以及工程机械 |
CN103758650B (zh) * | 2013-12-04 | 2016-08-17 | 三一重机有限公司 | 燃油控制方法和装置、以及工程机械 |
CN103775303B (zh) * | 2014-01-07 | 2016-03-02 | 徐州徐工施维英机械有限公司 | 一种机械式砂浆泵 |
DE102014001981B4 (de) * | 2014-02-17 | 2023-04-27 | Robert Bosch Gmbh | Dynamischer Sollwertausgleich bei drehzahlvariablen Verstellpumpen |
CN105946846A (zh) * | 2016-04-25 | 2016-09-21 | 北汽福田汽车股份有限公司 | 一种泵车功率匹配控制方法及系统 |
CN106089188B (zh) * | 2016-06-02 | 2019-02-26 | 中国石油大学(华东) | 一种泥浆脉冲信号泵噪声实时去除方法 |
US10543817B2 (en) | 2016-12-15 | 2020-01-28 | Schwing America, Inc. | Powered rear outrigger systems |
NL2019357B1 (en) * | 2017-07-27 | 2019-02-18 | Weir Minerals Netherlands Bv | Pump system for handling a slurry medium |
DE102018208263A1 (de) | 2018-05-25 | 2019-11-28 | Putzmeister Engineering Gmbh | Vorrichtung zur Förderung von Dickstoff |
DE102018209513B3 (de) * | 2018-06-14 | 2019-10-17 | Putzmeister Engineering Gmbh | Hydraulikantriebssystem für eine Baustoffpumpe und Baustoffpumpe |
DE102018130480A1 (de) * | 2018-11-30 | 2020-06-04 | Liebherr-Betonpumpen Gmbh | Zweizylinder-Dickstoffpumpe |
DE102019214034A1 (de) * | 2019-09-13 | 2021-03-18 | Putzmeister Engineering Gmbh | Verfahren zum Betreiben einer Arbeitsmaschine und Arbeitsmaschine |
DE102021202325A1 (de) | 2021-03-10 | 2022-09-15 | Putzmeister Engineering Gmbh | Verfahren zum Betreiben einer Bau- und/oder Dickstoffpumpe zum Fördern von Bau- und/oder Dickstoff und Bau- und/oder Dickstoffpumpe zum Fördern von Bau- und/oder Dickstoff |
DE102023104762A1 (de) | 2023-02-27 | 2024-08-29 | Schwing Gmbh | Zweizylinder-Dickstoffpumpe |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3707990A (en) * | 1971-01-11 | 1973-01-02 | Case Co J I | Concrete placement apparatus |
DE3840892A1 (de) * | 1988-12-05 | 1990-06-07 | Putzmeister Maschf | Verfahren und vorrichtung zur steuerung einer zweizylinder-dickstoffpumpe |
JP2578371B2 (ja) | 1989-09-22 | 1997-02-05 | 株式会社小松製作所 | 可変容量ポンプの容量制御装置 |
DE4101002A1 (de) * | 1990-01-16 | 1991-07-18 | Toyoda Gosei Kk | Kassetten oder compakt-disk halter |
JP3220579B2 (ja) * | 1993-10-05 | 2001-10-22 | 新キャタピラー三菱株式会社 | 建設機械の油圧システム制御方法 |
JP3520301B2 (ja) * | 1995-09-18 | 2004-04-19 | コベルコ建機株式会社 | 油圧作業機のエンジン回転数の制御方法 |
DE19542258A1 (de) | 1995-11-13 | 1997-05-15 | Putzmeister Maschf | Verfahren und Vorrichtung zur Steuerung einer Zweizylinder-Dickstoffpumpe |
DE19635200A1 (de) | 1996-08-30 | 1998-03-05 | Putzmeister Ag | Fahrbare Dickstoffpumpe |
US5967756A (en) * | 1997-07-01 | 1999-10-19 | Caterpillar Inc. | Power management control system for a hydraulic work machine |
-
2001
- 2001-10-16 DE DE10150467A patent/DE10150467A1/de not_active Withdrawn
-
2002
- 2002-10-04 ES ES02772362T patent/ES2312626T3/es not_active Expired - Lifetime
- 2002-10-04 AT AT02772362T patent/ATE407294T1/de not_active IP Right Cessation
- 2002-10-04 KR KR1020047005347A patent/KR100658249B1/ko active IP Right Grant
- 2002-10-04 DE DE50212737T patent/DE50212737D1/de not_active Expired - Lifetime
- 2002-10-04 US US10/494,183 patent/US7322802B2/en not_active Expired - Lifetime
- 2002-10-04 EP EP02772362A patent/EP1436507B1/de not_active Expired - Lifetime
- 2002-10-04 CN CNB028205944A patent/CN100540897C/zh not_active Expired - Fee Related
- 2002-10-04 WO PCT/EP2002/011165 patent/WO2003033911A1/de active IP Right Grant
- 2002-10-04 JP JP2003536615A patent/JP2005505721A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4180660A1 (de) * | 2021-11-15 | 2023-05-17 | Putzmeister Engineering GmbH | System und verfahren zum betreiben eines systems |
DE102023106431A1 (de) | 2023-03-15 | 2024-09-19 | Schwing Gmbh | Autobetonpumpe |
Also Published As
Publication number | Publication date |
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US20060153700A1 (en) | 2006-07-13 |
DE50212737D1 (de) | 2008-10-16 |
ES2312626T3 (es) | 2009-03-01 |
JP2005505721A (ja) | 2005-02-24 |
CN1571886A (zh) | 2005-01-26 |
WO2003033911A1 (de) | 2003-04-24 |
KR100658249B1 (ko) | 2006-12-14 |
US7322802B2 (en) | 2008-01-29 |
ATE407294T1 (de) | 2008-09-15 |
EP1436507A1 (de) | 2004-07-14 |
KR20050033531A (ko) | 2005-04-12 |
CN100540897C (zh) | 2009-09-16 |
DE10150467A1 (de) | 2003-04-17 |
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