EP0992685A2 - Régulation électronique du débit d'une pompe ménagère - Google Patents

Régulation électronique du débit d'une pompe ménagère Download PDF

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Publication number
EP0992685A2
EP0992685A2 EP99119759A EP99119759A EP0992685A2 EP 0992685 A2 EP0992685 A2 EP 0992685A2 EP 99119759 A EP99119759 A EP 99119759A EP 99119759 A EP99119759 A EP 99119759A EP 0992685 A2 EP0992685 A2 EP 0992685A2
Authority
EP
European Patent Office
Prior art keywords
liquid pump
pump
control device
pump arrangement
sensor
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Withdrawn
Application number
EP99119759A
Other languages
German (de)
English (en)
Other versions
EP0992685A3 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gardena Manufacturing GmbH
Original Assignee
Gardena Kress and Kastner GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE19923350A external-priority patent/DE19923350A1/de
Application filed by Gardena Kress and Kastner GmbH filed Critical Gardena Kress and Kastner GmbH
Publication of EP0992685A2 publication Critical patent/EP0992685A2/fr
Publication of EP0992685A3 publication Critical patent/EP0992685A3/fr
Withdrawn legal-status Critical Current

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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
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps

Definitions

  • the invention relates to a liquid pump arrangement, in particular for use in the home and / or garden, according to the preamble of claim 1.
  • This can be used to promote the water from collection such as ponds, cisterns or the like different to consumers
  • Liquid pump arrangements are used for example submersible pumps, garden pumps, fountain pumps or the like
  • domestic waterworks are also used, for example collected rainwater from an appropriate reservoir through a pipe system separate from the drinking water pipe system to rainwater consumers such as toilets, washing machines, showers or the like to promote.
  • the invention is based, in particular in propose improved liquid pump arrangement in this regard.
  • a liquid pump arrangement has one preferably liquid pump driven by an electric motor with at least one to a pump chamber of the liquid pump leading pump inlet through which liquid can be sucked or can be introduced, and at least one of the pump chamber Purging pump outlet for delivery of under pressure standing liquid.
  • the liquid pump arrangement an integrated control device for Control of the liquid pump according to at least one Input signals on.
  • the control device is therefore in the Structure of the pump arrangement e.g. integrated in the form of an extension, so that it is in liquid pump arrangements according to the invention it is not necessary to control via a separate Supply to the pump or by inserting a Control device, e.g. a timer, in the power supply line to realize.
  • control device can be the essential for an intelligent, Environmentally-friendly and convenient operation of the liquid pump arrangement necessary facilities on this itself to be available.
  • the control device is expediently designed such that that they are in response to an internal or external Input signal at least one serving for pump control Control signal emits, for example, by the pump is turned off. Even more complex control processes, for example a change in pump performance or the like possible.
  • the control device is preferably for processing electrical, electromagnetic, optical and / or acoustic Input signals formed, so those input signals that using cables or other lines or wirelessly convenient can be transmitted over longer distances. Then it is not more required that a user e.g. to switch on or off the pump must go to the pump. Such pumps can also comfortably in places that are difficult to access be installed or set up.
  • a suitable control device can perform various functions provide individually or in combinations.
  • the control device at least a receiving device for receiving a wireless or wireless transmissible, in particular electromagnetic Has input signals.
  • a wireless or wireless transmissible, in particular electromagnetic Has input signals Such a pump can e.g. Operated remotely via radio or infrared radiation become.
  • a line-bound one Control by means of electrical cables or light guides or the like possible.
  • a control device can be a time switch device for processing input signals from a timer have, which is integrated into the control device or attached outside the control device and signal-conducting can be connected to this.
  • a particularly complex control system and thus possibly an automatic, sensitive adjustment of the pump operation to each prevailing environmental conditions can be achieved that a controller according to at least one as Sensor signal serving input signal takes place.
  • One for this suitable control device has at least one device for processing signals of a signal leading with the Connectable control device, especially outside of Control device attached sensor.
  • Signals processed by sensors reflect the operating status the pump itself, e.g. Pump outlet pressure sensors, Pump inlet pressure sensors, flow sensors or the like
  • signals from Sensors can be processed, the information about the pump environment and / or via the liquid from the pump Provide the area to be supplied, e.g. Humidity sensors such as precipitation sensors, soil moisture sensors or the like.
  • control device cannot be detached or fixed with the pump housing or an attached part connected is.
  • control device mechanically and electrically detachable with connectable to the liquid pump arrangement, that is to say as a removable one or replaceable electrical subunit or as Control module trained.
  • This makes it possible, for example, different control units with the liquid pump arrangement to connect and in this way by substitution of control units the liquid pump arrangement particularly easy to adapt to different tasks.
  • a control unit also in the manner of a simple On / off switch and / or an operating mode switch for Choice between several different preset operating modes the pump.
  • Embodiments are particularly preferred in which the Control device without tools on or in the liquid pump arrangement is attachable, in particular attachable to this.
  • the control device can thus be removed or replaced Execution in particular via plug contacts a contact field permanently connected to the pump arrangement can be plugged on be at least one electrical contact to the signal-conducting connection of the control device to the liquid pump arrangement having.
  • a complementary contact can be provided on the control device.
  • the contact field expediently also includes contacts with which the control device to the power supply of the pump arrangement can be connected. This makes it possible to control the device without training your own electrical power supply, what such facilities particularly inexpensive and makes it compact.
  • the preferably as a connector trained, releasable connection between control device and liquid pump arrangement is preferred can be sealed in a liquid-tight manner, for example a die Contacts provided sealing device surrounding the contact field can be.
  • a moisture-insensitive one is generally advisable Training of the control device, for example through a largely liquid-tight seal Housing and / or through a moisture-tight seal of the parts embodying the control, for example one Printed circuit board with electronic components, through a moisture-proof casting compound or the like is possible.
  • control devices according to the invention can be programmed using a programming device, which is preferably free programmability with a theoretically unlimited number of programs acts. This has a selection that is also possible between a limited number of predetermined programs The advantage of a particularly sensitive adjustment of the pump operating options to the desired use of the Pump.
  • the control device can have at least one Have a microprocessor and / or suitable memory devices, in which data and / or storage programs can be stored are.
  • the programming device in the control device is integrated so that, for example, programming via buttons provided on the control device, an interactive display or the like. is feasible.
  • Preferred embodiments are those in which the control device for signal-conducting connection with one of the Control device separate or separate programming device is trained.
  • the Control device can access internal programming devices in the control device, what the Control device can be produced particularly simply and inexpensively makes.
  • a portable programming device can be used, possibly to the pump brought and for example via appropriate contacts on Contact field of the control device can be connected to this can.
  • removable control devices it is also possible to this by means of a remote from the pump assembly standing computer or another suitable programming device to program.
  • FIGS 1 and 2 are overall views of substantially Identical embodiments of a liquid pump arrangement 1, which is shown in particular for applications in Home and garden is provided and preferably as a pump a domestic waterworks can be used. It has a largely housing 2 made of stable, impact-resistant plastic, on the underside there are recesses for three feet 3 are. You define a standing level of the pump and pass preferably essentially rubber-like soft Material, for example made of a soft thermoplastic. The Feet enable a soundproof, stable stand Installation of the pump. In the housing is an electric motor operated, air-cooled by means of a fan 4 Integrated liquid pump 5, the pump impeller 6 around the one parallel to the stand level, usually horizontally aligned Pump axis 7 rotates within a pump chamber 8.
  • the pump chamber 8 is formed by a substantially dome-shaped Chamber housing 9 limits that in the shown in Fig. 2 Embodiment made of the same plastic material how the housing is, in other embodiments Increasing the compressive strength also from metal, for example stainless steel.
  • At the top of the chamber housing are parallel to each other and perpendicular to the pump axis 7, a leading into the chamber 8, rounder in cross section Pump inlet 10 and a leading from the chamber 8, in cross section Round pump outlet 11 arranged.
  • In the floor area of the chamber housing or in a connected to the pump chamber Base (Fig. 1) is a horizontal, to the pump axis 7 parallel nozzle 12 with an internal thread for receiving a screw-in drain valve 13 is provided.
  • FIG. 3 On the suction side of the pump is a related Fig. 3 described in more detail in the provided with internal thread Pump inlet screw-in filter connector 15 is provided.
  • an inlet connection Plastic component is an upper, in the axial extension the pump inlet and the level of the pump arranged above the upper end of all pump chambers, circular fill opening 16 is provided, for example before putting the pump into operation Pump chamber can be filled.
  • the inlet opening is through a screw cap 17 provided with a seal lockable.
  • the diameter of the filling opening 16 is advantageous chosen so large that a in the filter socket 15 of Above usable, cone-shaped dirt screen 18 with U-shaped handle from above through the filler opening inserted in the filter socket or removed upwards can.
  • the inlet opening 20 is through one at the top End region of the filter stub 15 projecting horizontally, with Male thread provided nozzle 21 formed, the horizontal Axis with filter socket fully screwed in runs essentially parallel to the pump axis 7.
  • the pressure switch unit 27 is advantageously in the liquid flow formed by the check valve to the pressure line Angle inserted in a particularly space-saving manner.
  • the check valve unit 26 has a substantially cylindrical plastic housing 40, at the bottom End forming a radial shoulder as a valve inlet serving inlet connector 42 with a plurality of circumferential grooves are provided for receiving round cord seals.
  • a valve outlet outlet connector 43 On serving as valve outlet outlet connector 43 with external thread and circumferential groove for receiving a round cord seal protrudes in the upper region of the housing 40 at an angle of 90 ° to the inlet port from the housing 40.
  • Above the outlet nozzle is another housing opening on the housing that is open at the top 41 with an internal thread section for receiving a screw cap 44 is provided. In the housing section between Inlet port and outlet port is one in FIG.
  • a completely removable Valve insert 49 arranged inside the housing 40.
  • the valve seat member 50 is installed Condition on an inward facing shoulder of the Housing wall above the transverse opening 45 and is through the pins 52 secured against falling out.
  • One at the bottom End of a cylindrical guide opening 53 of the valve seat element provided inward shoulder 54 serves as the valve seat of the check valve.
  • One that interacts with the valve seat as a shut-off element serving spring-loaded, self-resetting valve body 55 has an internally hollow, cylindrical shaft 56, which on the side facing the valve seat below a web 57 a receiving groove for a cooperating with the valve seat 54 elastic cord seal 58 has.
  • On the shaft 56 is a radial, on the side facing the magnetic field sensor 47 cylindrical receptacle designed for a permanent magnet 48, the one with the valve closed below the magnetic field sensor and arranged outside of its effective range is.
  • a conical tip 59 of the valve body protrudes when closed Valve (Fig. 4 and 5) through the central circular opening of the valve seat element in the area of the control member 46.
  • the support of a conically wound compression spring serves, whose opposite, wider end is at concave inward curved head portion 61 of the screw cap 44 supports.
  • the one with an external thread and one arranged within the front concave recess Handle bar 62 provided screw cap has on the inside an axially extending guide element 63 with a cruciform Cross section that is essentially free of play in the cylindrical interior of the valve body is insertable and the axially sliding guidance of the valve body is used.
  • the multi-part control element which can be inserted into the transverse opening 45 46 has an inside of the valve housing below the Opening of the valve seat element can be arranged and flowed through Ball element 65 on which one about the axis of rotation of the control member V-shaped cam contour 66 running around is provided with the conical tip 59 of the valve body interacts for axial displacement of the valve body.
  • the cam contour is designed so that in the no release contact shown in Figures 2, 4 and 5 between ball element and valve body, so that the compression spring 60 seals the valve body presses on the valve seat while turning the Control member, for example, through 120 ° of the valve body the cam contour against the force of the compression spring from the valve seat is lifted off so that a flow path from the inlet port 42 through the ball element and the valve seat area to the outlet port 43 or vice versa.
  • the check valve effect is thus by actuation of the control member 46 can be canceled.
  • the valve insert 49 is a complete assembly if necessary Unscrew the cover 44, with the switching cover 44 and the valve body guided and carried by it normally stay connected and the valve seat element may also remain in the housing 40. Particularly advantageous affects the angular version of the check valve device from which a removal of the valve insert in Continuation of the direction of the incoming fluid allows. This means that the valve insert can be installed with a check valve device can be removed without the rest Structure of the pump assembly is affected, in particular also without having to remove other components.
  • the control member 46 is due to its multi-part Removable structure.
  • the embodiment shown is the Check valve unit at the same time as drain valve educated. For example, at the start of pump operation by opening the valve in the suction area if necessary and / or air in the pump chamber is first removed be before the pure liquid pumping operation is recorded. Because of the compressibility of air can without this option at the start of pump operation Functional impairments result.
  • the pump In normal operation the pump, on the other hand, is the control element out of engagement with the Valve body, so that this only through sufficient inlet-side Overpressure is movable in the open position.
  • valve Control device 46 it is by means of manual opening of the valve Control device 46 possible, with the pump switched off a connected Line system through the check valve device for example through the open drain valve or to empty through the intake manifold, so that the valve unit also forms a drain valve.
  • the embodiment of the check valve unit shown also acts as a flow sensor, one through a pump controller easily processable electrical flow signal delivers. This is the displacement of the valve body 55 detected by the magnetic field sensor 47 as soon as the permanent magnet 48 is shifted into the effective range of the sensor 47 is.
  • the embodiment shown is designed so that with little displacement of the valve body by the Effect of a low leakage current of the permanent magnet from the sensor is not yet detected. Only with a stronger shift of the valve body, the measure of which from the current liquid flow depends, the permanent magnet is in the detection area of the magnetic field sensor and delivers one of the amount of liquid allowed per unit of time dependent Flow signal.
  • a flow sensor can also use another principle work, for example by means of a liquid flow arranged rotating water wheel, the rotation of which e.g. is monitored mechanically, electrically or magnetically or with other electrical, electromagnetic, magnetic or optical means.
  • a flow sensor can also be used elsewhere in the laxative Pressure line, for example immediately before the outlet connections or provided on the inlet side of the pump his.
  • the described embodiment of the check valve unit thus combines at least four functions by: in addition to the function as a check valve, also a function as a drain valve, as a vent valve and as a flow sensor provides. These functions can be used by others Embodiments also through separate components or Modules and / or elsewhere in the field of laxative Pressure line may be provided.
  • a transition piece 70 is provided, which according to Kind of a connecting pipe sleeve is formed and on both axial ends 71, 72 with internally threaded receiving openings for screwing in pipe pieces or the like. having.
  • the Functional elements of the pressure switch are on the side next to the between the ends 71, 72 extending liquid flow or formed in one piece with the transition piece 70
  • Pressure switch housing 73 housed.
  • One in cross section small radial channel 74 connects the inside of the nozzle 70 with the interior of the housing 73 and is replaced by a flexible membrane 75 closed liquid-tight.
  • axially movably mounted switch body 76 which is attached to the membrane by means of a spiral compression spring is pressed. This is based on an adjusting screw 77 from the adjustment of the spring pressure on the body 76 serves and within a housing 73 that closes the outside Screw cover 78 is guided.
  • the switch body 76 acts via a hinged switch lever 79, which by a Recess of the housing wall is guided to the outside Electrical switch 80 attached to the outside of the housing a dependent on the fluid pressure within the nozzle 70, pressure signal that can be further processed by a pump control delivers.
  • a pressure switch unit can also be firmly connected to the pump housing and be structurally integrated into it. If a pressure switch unit not or not at the example in FIG. 2 shown position is required, so the pressure switch module can be replaced by a simple connecting pipe sleeve.
  • the swivel joint 31 arranged in the exit area has a sleeve with a lateral or radial connection 33, the infinitely and infinitely around the pressure line axis 32 is rotatably mounted and with round cord seals 85 is sealed. Via slot-shaped wall openings 86 in Pressure pipe can water from the axial direction Pressure line laterally to the radial outlet 33 of the Exit swivel 31.
  • Front outlet 34 of the pressure line are, preferably separately, lockable, for example by screwing on a screw cap. Common connectors, in particular screwed on tap pieces with quick coupling nipples become.
  • the swivel joint offers the possibility a second consumer to the pump without a separate one To connect branching piece.
  • a U-shaped housing recess 87 is provided, in which the side connector 33 can be rotated. This is preferably sized so that it, for example also a connector screwed onto the connector can record with water stop.
  • An advantageous use of a pump arrangement with at least Two separate pump outlet connections can also be made in it can be seen that at an exit, especially in Output 34 lying along the longitudinal axis, e.g. pneumatic Pressure accumulator can be connected, in particular for the mode of operation the pump as a domestic waterworks or in a comparable one Operating mode can be advantageous, for example to cause buffering.
  • pneumatic Pressure accumulator can be connected, in particular for the mode of operation the pump as a domestic waterworks or in a comparable one Operating mode can be advantageous, for example to cause buffering.
  • the modular structure with separately functioning and Units that can be installed or removed individually or in groups offers as a special advantage that instead of building units simple line elements can also be used can.
  • a Check valve and / or a pressure switch is not required the component that is not required by a simple Pipe element with identical installation dimensions replaced become.
  • the embodiment shown in FIG. 2 be completed by the check valve unit 26 through a 90 ° elbow and the pressure switch unit 27 is replaced by a connecting pipe sleeve.
  • a connection can be made with a domestic water supply network can be connected and to the others a drain valve connected via which the line network, e.g. for maintenance work that can be emptied without to disconnect from the pump and without the pump self-draining, which is usually manual venting the pump is required before restarting.
  • the embodiment shown in Fig. 2 has a laterally on Motor part of the pump fixed pump switch 90.
  • a contact field in this area provided with a removable switching device mechanically attached to the pump and at the same time can be electrically connected to this.
  • a timer can be assigned, for example is attachable to the pump.
  • On possibly existing pressure switch and / or an existing one Sensor for the flow status of the check valve can be connected to the switch or timer.
  • the signals from the pressure switch device and / or the check valve can advantageously for pump control, especially used to switch the pump on and off become. Additionally or alternatively, a A time program can be specified. Another advantageous control option, especially when used a pump arrangement of the type mentioned in the garden to see that with the help of a pressure switch unit Pump when reaching a pressure close to that without consumer withdrawal maximum achievable maximum pressure switched off with a restart advantageously only when the pressure has dropped sharply and / or when Larger flow rates through an existing check valve he follows.
  • control options for the pump are advantageous for a pump with integrated Control device possible, which is preferably programmable can be.
  • integrated control device for example as Attachment to the pump housing can be omitted the need for controls via a separate feed line or for example by inserting a control device into the power supply line, e.g. a timer or the like.
  • the control device can be an electrical Sub-unit or as a control module also from the pump arrangement be detachable, so that depending on the intended application various, specially designed control units are also provided can be or, with unchanged pump construction also a variant with a conventional switch instead a more complex control device is possible.
  • the control device can in particular with removable design via plug contacts on a permanently connected to the pump arrangement Contact field can be plugged on.
  • control device of this type can perform different functions individually or in combination included, for example a wireless controller, e.g. about Radio, a control according to a specified time and / or a Control according to at least one sensor signal. This can be done independently of the pump, for example a precipitation sensor or soil moisture sensor is provided be, and / or by at least one the operating state the pump indicating sensor, for example a Pump outlet pressure sensor or switch and / or one Flow sensor.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
EP99119759A 1998-10-07 1999-10-06 Régulation électronique du débit d'une pompe ménagère Withdrawn EP0992685A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19846047 1998-10-07
DE19846047 1998-10-07
DE19923350A DE19923350A1 (de) 1998-10-07 1999-05-21 Flüssigkeitspumpenanordnung, insbesondere für die Verwendung in Haus und/oder Garten
DE19923350 1999-05-21

Publications (2)

Publication Number Publication Date
EP0992685A2 true EP0992685A2 (fr) 2000-04-12
EP0992685A3 EP0992685A3 (fr) 2001-01-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP99119759A Withdrawn EP0992685A3 (fr) 1998-10-07 1999-10-06 Régulation électronique du débit d'une pompe ménagère

Country Status (1)

Country Link
EP (1) EP0992685A3 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1217217A1 (fr) * 2000-12-22 2002-06-26 Grundfos a/s Installation d'alimentation d'eau
EP1267085A3 (fr) * 2001-06-15 2004-06-30 Bogemar, S.L. Groupe électropompe pour la recirculation d'eau
WO2006015693A1 (fr) * 2004-08-02 2006-02-16 Gardena Manufacturing Gmbh Dispositif de commande pour systeme de pompage de liquide
EP1959144A2 (fr) * 2007-02-17 2008-08-20 DLP Limited Pompe électrique pour douche et unité de commande
WO2008119466A1 (fr) 2007-04-02 2008-10-09 Alfred Kärcher Gmbh & Co. Kg Pompe pour liquides avec une partie de manœuvre réalisée sous forme de module de commande à distance
EP2860328A1 (fr) * 2013-10-14 2015-04-15 Gidelmar, S.A. Système et procédé de fonctionnement et de commande pour une installation de filtration
CN105317702A (zh) * 2015-10-28 2016-02-10 泉州市永茂电子科技有限公司 一种远程控制水泵

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2908733A1 (de) * 1979-03-06 1980-09-11 Gardena Kress & Kastner Gmbh Transportable motorpumpe
GB2120874A (en) * 1982-03-31 1983-12-07 Grundfos As Circulating pump
US5381962A (en) * 1992-12-10 1995-01-17 Hydro-Chem Systems, Inc. Remote controlled spraying device
EP0639715A1 (fr) * 1993-08-18 1995-02-22 Grundfos A/S Dispositif d'alimentation en liquide
US5634778A (en) * 1994-11-30 1997-06-03 Hein-Werner Corporation Remote control pump
EP0819851A2 (fr) * 1996-07-19 1998-01-21 GARDENA Kress + Kastner GmbH Dispositif de commande pour une pompe d'alimentation ou similaire
US5749526A (en) * 1995-08-28 1998-05-12 Gary R. Laabs Centrally installed cleaning/washing system for buildings

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2908733A1 (de) * 1979-03-06 1980-09-11 Gardena Kress & Kastner Gmbh Transportable motorpumpe
GB2120874A (en) * 1982-03-31 1983-12-07 Grundfos As Circulating pump
US5381962A (en) * 1992-12-10 1995-01-17 Hydro-Chem Systems, Inc. Remote controlled spraying device
EP0639715A1 (fr) * 1993-08-18 1995-02-22 Grundfos A/S Dispositif d'alimentation en liquide
US5634778A (en) * 1994-11-30 1997-06-03 Hein-Werner Corporation Remote control pump
US5749526A (en) * 1995-08-28 1998-05-12 Gary R. Laabs Centrally installed cleaning/washing system for buildings
EP0819851A2 (fr) * 1996-07-19 1998-01-21 GARDENA Kress + Kastner GmbH Dispositif de commande pour une pompe d'alimentation ou similaire

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1217217A1 (fr) * 2000-12-22 2002-06-26 Grundfos a/s Installation d'alimentation d'eau
EP1267085A3 (fr) * 2001-06-15 2004-06-30 Bogemar, S.L. Groupe électropompe pour la recirculation d'eau
WO2006015693A1 (fr) * 2004-08-02 2006-02-16 Gardena Manufacturing Gmbh Dispositif de commande pour systeme de pompage de liquide
DE102004038819A1 (de) * 2004-08-02 2006-03-16 Gardena Manufacturing Gmbh Steuervorrichtung für eine Flüssigkeitspumpenanordnung
EP1959144A2 (fr) * 2007-02-17 2008-08-20 DLP Limited Pompe électrique pour douche et unité de commande
EP1959144A3 (fr) * 2007-02-17 2009-10-21 DLP Limited Pompe électrique pour douche et unité de commande
WO2008119466A1 (fr) 2007-04-02 2008-10-09 Alfred Kärcher Gmbh & Co. Kg Pompe pour liquides avec une partie de manœuvre réalisée sous forme de module de commande à distance
EP2860328A1 (fr) * 2013-10-14 2015-04-15 Gidelmar, S.A. Système et procédé de fonctionnement et de commande pour une installation de filtration
CN105317702A (zh) * 2015-10-28 2016-02-10 泉州市永茂电子科技有限公司 一种远程控制水泵

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Publication number Publication date
EP0992685A3 (fr) 2001-01-31

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