| GRUNDFOS MANAGEMENT A/S Patent applications |
| Patent application number | Title | Published |
|---|
| 20120136590 | METHOD FOR DETERMINING CHARACTERISTIC VALUES, PARTICULARLY OF PARAMETERS, OF A CENTRIFUGAL PUMP AGGREGATE DRIVEN BY AN ELECTRIC MOTOR AND INTEGRATED IN A SYSTEM - A method for determining characteristic values of an electrometrically driven centrifugal pump assembly with a speed controller, said assembly being integrated in an installation, includes determining characteristic values by way of electrical variables of the motor and of the pressure produced by the pump, with which one successively runs to at least two different operating points of the pump. Delivery rates are determined in the installation at the run-to operating points, and the characteristic values are determined based on the delivery rates. | 05-31-2012 |
| 20120128478 | CENTRIFUGAL PUMP ASSEMBLY - The invention relates to a centrifugal pump assembly with at least one impeller, with a suction union ( | 05-24-2012 |
| 20120056025 | GRINDER UNIT AND METHOD FOR CONTROLLING IT - A grinder unit ( | 03-08-2012 |
| 20120027625 | PUMP SYSTEM - The invention relates to a pump system comprising at least one pump unit, a control unit for controlling the pump unit and at least one sensor, wherein the sensor is connected to a data detection module which is spatially separate from the control unit and detects the output signals of the sensor, the data detection module comprises an output interface, at which it provides the detected sensor signals and/or data derived therefrom, and the control unit is provided with an input interface for the acquisition of signals or data from the output interface. | 02-02-2012 |
| 20120024518 | SERVICE WATER HEATING UNIT - The invention relates to a service water heating unit ( | 02-02-2012 |
| 20120024504 | HEAT EXCHANGER UNIT - The invention relates to a heat exchanger unit ( | 02-02-2012 |
| 20120024496 | SERVICE WATER HEATING UNIT - The invention relates to a service water heating unit ( | 02-02-2012 |
| 20120024493 | SERVICE WATER HEATING UNIT - The invention relates to a service water heating unit ( | 02-02-2012 |
| 20110311380 | PUMP ASSEMBLY - An electric motor includes a housing and at least one heat pipe for dissipating heat is integrated in the housing. Substantially all functional elements of the motor are disposed in the housing. | 12-22-2011 |
| 20110308767 | HOUSING UNIT FOR A HEATING SYSTEM - A housing unit ( | 12-22-2011 |
| 20110297760 | DEVICE FOR DISCHARGING UREA SOLUTION INTO AN EXHAUST GAS CONDUIT - A device for the discharge of urea solution into an exhaust gas conduit ( | 12-08-2011 |
| 20110268589 | PUMP ASSEMBLY - A pump assembly includes a pump housing ( | 11-03-2011 |
| 20110262282 | METHOD FOR INJECTION MOLDING A PUMP IMPELLER AND PUMP IMPELLER - A method for injection molding a pump impeller ( | 10-27-2011 |
| 20110260575 | ROTOR MADE OF MAGNETIC MATERIAL - The invention relates to a rotor including a magnetic material. At least one surface section of the magnetic material is provided with a wear-resistant coating. | 10-27-2011 |
| 20110253814 | IRRIGATION DEVICE - An irrigation device includes a pipe conduit ( | 10-20-2011 |
| 20110249255 | SENSOR SYSTEM FOR DETECTING AND SPECIFYING INDIVIDUAL PARTICLES IN A FLUID - A sensor system for capturing and specifying individual particles ( | 10-13-2011 |
| 20110247490 | METHOD AND DEVICE FOR DEGASSING THE TRANSPORT CHAMBER OF A METERING PUMP - A method is provided for degassing a transport chamber ( | 10-13-2011 |
| 20110241469 | PERMANENT MAGNET, AND METHOD FOR MANUFACTURING A PERMANENT MAGNET - A permanent magnet, in particular a permanent magnet rotor for a machine, includes a first sleeve, a first cap and a second cap arranged to close off an inner opening of the first sleeve, and a permanent magnet material formed in the inner opening of the sleeve between the first cap and the second cap. The permanent magnet material is a compressed, non-bonded powder material including hard magnetic powder material, soft magnetic powder material, or a combination of hard and soft magnetic powder material. A method for manufacturing a permanent magnet rotor is also provided. | 10-06-2011 |
| 20110241454 | PUMP ASSEMBLY - A pump assembly with a motor housing ( | 10-06-2011 |
| 20110223009 | PUMP ASSEMBLY - A pump assembly with a rotatable rotor shaft ( | 09-15-2011 |
| 20110221447 | SENSOR SYSTEM FOR DETECTING ANALYTES IN LOW CONCENTRATION - The invention relates to a sensor system ( | 09-15-2011 |
| 20110211978 | IMMERSION MOTOR - An immersion motor includes a housing ( | 09-01-2011 |
| 20110197970 | FLUID PROCESSING UNIT COMPRISING ONE OR MORE CASSETTES - The present invention relates to a fluid processing unit through which fluid may flow while being processed. The fluid processing unit comprises a casing and one or more cassettes each comprising an outer housing being arranged so that the outer housing forms at least a part of the casing and each comprising a flow passage through the cassette. At least one of the cassettes comprises at least one fluid interaction component or is adapted to receive at least one fluid interaction component. The fluid processing unit comprises total pressure increasing means for at least partially overcoming the pressure loss due to the fluid flowing through the unit, the total pressure increasing means and one, more or all of the one or more fluid interaction components being encapsulated by the casing. The invention further relates to a cassette comprising an outer housing being arranged so that the outer housing forms at least a part of a casing of a fluid processing unit when at least two cassettes are combined to form at least a part of the fluid processing unit, the cassette further comprising a flow passage through the cassette and the cassette further comprises or is adapted to receive at least one fluid interaction component. The invention further relates to a method for providing an interaction between a fluid and an interaction component, the method comprising feeding fluid to a fluid processing unit as described above. | 08-18-2011 |
| 20110187306 | Method for Activating an Asynchronous Motor - The method for activating an asynchronous motor comprising at least two windings is provided, in order, for the purpose of a change in the rotational speed, to connect a first winding and at least one second winding by way of at least two electronic switches. On switching, both switches are opened for one or more time intervals in order to avoid current peaks. | 08-04-2011 |
| 20110182725 | REFRIGERANT PUMP ASSEMBLY - A refrigerant pump assembly includes a drive motor ( | 07-28-2011 |
| 20110182718 | CENTRIFUGAL PUMP ASSEMBLY - A centrifugal pump assembly with at least one impeller ( | 07-28-2011 |
| 20110176933 | METHOD FOR DETERMINING THE FUNCTIONAL RELATION OF SEVERAL PUMPS - A method for determining the functional relationship of several pumps which are controllable in their rotational speed, in a hydraulic installation. At least one pump is activated with a changed rotational speed, and at least one functional relationship of the installation is determined from the hydraulic reactions. With a suitable selection of the control and detection of the hydraulic changes, one may determine the functional relationship of the complete installation. | 07-21-2011 |
| 20110174736 | FORWARD OSMOSIS DEVICE - The invention relates to a forward osmosis (FO) device ( | 07-21-2011 |
| 20110157862 | TERMINAL BOX FOR ELECTRICAL CONNECTION TO AN ELECTRIC MOTOR - A terminal box for electrical connection to an electric motor, in particular to a circulating pump, includes at least one housing part, designed as a cast plastic part, and an operating switch wherein the operating switch is arranged on the housing part, wherein at least one fixed electrical switch contact of the operating switch is embedded in the housing part. The pump aggregate features one such terminal box. | 06-30-2011 |
| 20110147077 | TERMINAL BOX FOR THE ELECTRIC CONNECTION TO AN ELECTRIC MOTOR - A terminal box ( | 06-23-2011 |
| 20110146825 | CONDUIT CLOSURE - A conduit closure serving for the closure of a fluid conduit includes a closure element ( | 06-23-2011 |
| 20110135515 | CIRCULATING PUMP UNIT - A circulation pump assembly ( | 06-09-2011 |
| 20110127864 | FLOW PRODUCTION UNIT - A flow production unit for submerged operation in a fluid includes an impeller and a magnet gear having an input side and an output side, each side having an arrangement of magnetic poles, wherein the arrangements of magnetic poles are coupled in movement to one another by way of magnetic fields. A transmission ratio exists between an input side and output side of the magnet gear. The output side of the magnet gear is coupled in movement to the impeller for drive thereof. The electric motor for drive of the magnet gear is coupled in movement to its input side. An encapsulation is present, which commonly encapsulates the electric motor and the arrangement of magnetic poles of the input side of the magnet gear together in a fluid-tight manner, and separates them from the output side of the magnet gear. | 06-02-2011 |
| 20110123375 | ROTATIONAL DIRECTION INDICATOR - The inventive rotational direction indicator for an electric motor having a cooling fan has a baffle element which can be moved between two positions and which can be arranged on an electric motor with a cooling fan in such a way that the baffle element is positioned in an airstream of the cooling fan whose direction depends on the rotational direction of the electric motor, and said baffle element is respectively moved into one of its two positions by said electric motor as a function of the direction of the airstream. The rotational direction indicator has a display unit which is designed to visually indicate the position of the baffle element and can be arranged on an outer side of the electric motor. In addition, the rotational direction indicator has a display actuating unit which connects the display unit and baffle element to one another, and transmits the position of the baffle element to the display unit. | 05-26-2011 |
| 20110123357 | FLOATABLE PUMP UNIT - A pump assembly is buoyant and includes an electrical drive motor ( | 05-26-2011 |
| 20110123317 | CENTRIFUGAL PUMP - A centrifugal pump includes at least one impeller (4) and at least one sealing arrangement arranged between the impeller (4) and a housing wall. The sealing arrangement seals a suction side of the impeller (4) with respect to a pressure side of the impeller (4). The sealing arrangement including a seal (12) fastened on the impeller (4) in a rotationally fixed manner. | 05-26-2011 |
| 20110076157 | CENTRIFUGAL PUMP UNIT - The invention relates to a centrifugal pump assembly with an electric drive motor and with a control device having a frequency converter, for the control of the rotational speed of the drive motor, wherein the control device is designed in a manner such that in at least one control region, a field weakening is produced in the drive motor, by way of which the rotational speed of the drive motor is increased. | 03-31-2011 |
| 20110044568 | BEARING ARRANGEMENT - The invention relates to a bearing arrangement of a shaft ( | 02-24-2011 |
| 20110033321 | STATOR HOUSING ASSEMBLY FOR A CANNED MOTOR - A stator housing assembly ( | 02-10-2011 |
| 20110027104 | SENSOR FOR SWITCHING A PUMP ON AND/OR OFF - The invention relates to a sensor for switching a pump on and/or off, with at least one first and a second electrode, which form a capacitance which may be influenced by way of the fluid to be delivered, and with evaluation electronics connected to the electrodes, wherein the evaluation electronics has a voltage supply which is connected to the first electrode and which is designed for providing short voltage pulses for charging the first electrode, and comprises an evaluation circuit which is designed in a manner such that during a voltage increase on charging and/or a voltage reduction on discharging the electrode, it detects the current between the electrodes and emits a switch-on signal and/or switch-off signal depending on the detected current, as well as to a pump with such a sensor. | 02-03-2011 |
| 20110026227 | FREQUENCY CONVERTER ON A MOTOR - A frequency converter includes a housing, which is designed and envisaged for the peripheral assembly on an electric motor. The base of the housing is provided in the middle region on the outside with longitudinal ribs and is connected to heat-producing components of the power circuit of the frequency converter, is provided in outer regions with cooling ribs which are arranged on the outside transversely or obliquely to the longitudinal ribs, and on the inside is connected in a heat-conducting manner to heat-producing components of the input circuit and/or output circuit. | 02-03-2011 |
| 20110012545 | METHOD FOR CONTROLLING A MULTIPHASE ELECTRIC MOTOR OPERATING IN STAR-CONNECTED MODE - A method serves for starting a polyphase electric motor which is operated in a star connection. The method conductively bridges at least one winding part of a phase of the motor and electrically disconnects the bridged winding part, in order in this manner, to supply a higher voltage to the remaining, electrically effective windings, and thus to increase the flow of current and thus the torque. | 01-20-2011 |
| 20110008182 | PRESSURE EXCHANGER FOR TRANSMITTING PRESSURE ENERGY FROM A FIRST LIQUID STREAM TO A SECOND LIQUID STREAM - A pressure exchanger for transmitting pressure energy from a first fluid flow to a second fluid flow includes a housing having an entry and an exit for the first fluid flow and an entry and an exit for the second fluid flow. A rotor arranged in the housing includes a multitude of channels which extend radially distanced to a rotation axis of the rotor. The rotor is arranged to the entries and exits in a manner such that the channels, on rotation of the rotor, in each case in an alternating manner, connect the entry for the first fluid flow to the exit for the second fluid flow, and the entry for the second fluid flow to the exit for the first fluid flow, and with a drive motor via which the rotor may be driven in rotation, and with setting means for changing the rotational speed of the rotor. | 01-13-2011 |
| 20100316503 | PUMP UNIT - The invention relates to a pump assembly with a pump ( | 12-16-2010 |
| 20100308672 | Can of a Drive Motor for a Pump Assembly - A can of a drive motor is provided for a pump assembly, wherein the can ( | 12-09-2010 |
| 20100300220 | METHOD FOR MONITORING AN ENERGY CONVERSION DEVICE - The method serves for monitoring an energy conversion device such as for example a pump assembly, a compressor or likewise. The energy conversion device consists of several function units which are functionally linked to one another. Power-dependent variables of at least one function unit are automatically detected in temporal intervals and/or computed and compared to one another or values derived therefrom and/or to predefined values. A corresponding signal is produced in dependence of this comparison, via which signal, the efficiency reduction of a function unit or the complete device may be specified. | 12-02-2010 |
| 20100278466 | BEARING ARRANGEMENT - A bearing arrangement of a shaft ( | 11-04-2010 |
| 20100272591 | ROTOR FOR A CANNED MOTOR | 10-28-2010 |
| 20100260636 | MOINEAU PUMP - A Moineau pump or Moineau compressor includes a conically designed inner ( | 10-14-2010 |
| 20100246301 | METHOD FOR TESTING A MAIN MEMORY - A method for testing a working memory which includes a matrix of memory cells, an address bus/address coder and a write circuit/read circuit, consists of two method parts with which in one step, at least a part of the address bus/address coder is tested with regard to address faults and in another step at least a part of the memory cells are tested with regard to cell faults. The testing steps are temporally independent of one another and may thus be effected also during the operation. | 09-30-2010 |
| 20100237732 | MAGNETIC DRIVE ARRANGEMENT - A magnetic drive arrangement includes a multitude of permanent magnets ( | 09-23-2010 |
| 20100232951 | MULTI-STAGE CENTRIFUGAL PUMP ASSEMBLY (BEARING CARRIER) - A multi-stage centrifugal pump assembly which is manufactured in the same construction type with cast components on the one hand, and with a stainless steel lining formed of sheet metal on the other hand, includes a bearing carrier ( | 09-16-2010 |
| 20100232950 | MULTI-STAGE CENTRIFUGAL PUMP ASSEMBLY (SHAFT) - With the multi-stage centrifugal pump assembly, the connection between the motor shaft ( | 09-16-2010 |
| 20100232949 | MULTI-STAGE CENTRIFUGAL PUMP (AXIAL FACE SEAL) - An axial face seal ( | 09-16-2010 |
| 20100224346 | CONTROLLING TRANSFER THROUGH ONE OR MORE TRANSFERRING ELEMENTS - The invention relates to a method of controlling the transferral of heat, substance, radiation or the like to or from at least a first fluid in a device. The device comprises a stage with a transferring element ( | 09-09-2010 |
| 20100176049 | FILTER DEVICE - The filter device is provided with a housing ( | 07-15-2010 |
| 20100111729 | PUMP ASSEMBLY - A pump assembly with an electric motor includes a stator having an iron core ( | 05-06-2010 |
| 20100098531 | MULTISTAGE PUMP ASSEMBLY - A modular pump assembly has a volute ( | 04-22-2010 |
| 20100090635 | PUMP UNIT - A pump unit includes an electric motor, located in a stator housing ( | 04-15-2010 |
| 20100082275 | Method for the Detection of Errors in Pump Units - A method is provided for detecting faults in a pump assembly having an electric motor, or faults in an electric motor, having at least one rotating shaft. A vibration signal is detected, the detected vibration signal is processed in a manner such that the influence of the current rotational speed of the shaft is eliminated, periodic signals are filtered out of the processed vibration signal, and the vibrational operating condition, in particular possible faults, is recognized by way of the periodic signals. Further, a pump assembly having an electric motor or an electric motor is provided in which this method is applied. | 04-01-2010 |
| 20100044810 | Semiconductor Structural Element - The semiconductor component is intended for a sensor, in particular for a pressure sensor or differential pressure sensor, and includes a semiconductor substrate ( | 02-25-2010 |
| 20100008799 | BORE-HOLE PUMP - A bore-hole pump formed of stainless steel comprises a head part and a foot part, between which one or more pump stages are incorporated. The foot part serves to connect the pump to a drive motor. The pump includes inlet openings for fluid to be delivered. The foot part consists of at least two components which are separated in one or more essentially radial planes and are formed with different manufacturing methods. | 01-14-2010 |
| 20100008796 | PUMP ASSEMBLY AS WELL AS METHOD FOR THE MODULAR CONSTRUCTION OF A PUMP ASSEMBLY - A pump assembly is provided with a pump ( | 01-14-2010 |
| 20100008775 | Flow-Routing Component of a Pump - A flow-routing component of a pump is composed of at least two parts, a first part ( | 01-14-2010 |
| 20100008771 | PUMP UNIT - A pump assembly has a housing formed of at least two metallic housing parts ( | 01-14-2010 |
| 20100008768 | PUMP - A pump, in particular a centrifugal pump, includes at least one flow-leading part with an at least regional surface layer ( | 01-14-2010 |
| 20090267435 | Submersible Motor - A submersible motor is provided for the drive of a submersible pump, with a rotor ( | 10-29-2009 |
| 20090214369 | ECCENTRIC SCREW PUMP - The invention relates to an eccentric screw pump with a annular outer part ( | 08-27-2009 |
| 20090169374 | Impeller for a Pump Unit and Associated Pump Unit - An impeller is provided for a pump unit, in particular for a waste water pump unit, having two cover plates ( | 07-02-2009 |
| 20090165565 | Method of Determining the Viscosity of a Fluid - A method is used to determine the viscosity of a fluid. The method includes arranging a body ( | 07-02-2009 |
| 20090162223 | SUBMERSIBLE PUMP - A bore-hole pump has an electrical drive motor ( | 06-25-2009 |
| 20090159514 | Reactor Comprising a Stack of Filter Plates - A reactor includes a tubular-shaped housing in which a stack of filter plates can be rotationally arranged. The cross-sectional area of the reactor container is, in the region of the stack of filter plates, a maximum of 40% greater than the cross-sectional area of the stack of filter plates. The longitudinal extension of the reactor housing is a multiple of the longitudinal extension of the stack of filter plates, such that inside the reactor, adjacent to the stack of filter plates, additional processing devices can be arranged. The rotating stack of filter plates ensures that the entire reactor is cross-flown in an intensive manner. | 06-25-2009 |
| 20090052281 | METHOD FOR DATA TRANSMISSION BETWEEN A PUMP ASSEMBLY AND A CONTROL DEVICE, AS WELL AS A CORRESPONDINGLY DESIGNED PUMP SYSTEM - A method for data transmission between a pump assembly ( | 02-26-2009 |
| 20090035161 | PUMP ASSEMBLY - A pump unit is provided having a wet-running electric motor, wherein a rotor of the pump unit can be driven by the electric motor at a maximum speed of greater than 20,000 rev/min, and the rotor is sealed off axially in the region of a suction port. | 02-05-2009 |
| 20090028729 | METERING PUMP ASSEMBLY - The invention relates to a metering pump for admixing a fluid reduction agent into an exhaust gas flow, which comprises a premixing device in which the supplied reduction agent is mixed in a mixing region with a pressurized gas, wherein a first return valve is arranged in the premixing element in a supply conduit for the reduction agent, in front of the mixing region in the flow direction. | 01-29-2009 |
| 20090026878 | Can of Wet-Running Electric Motor And Pump Assembly - A can of a wet-running electric motor can be produced from a non-metallic material, wherein the non-metallic material is provided with at least one additional hermetically sealing layer. A pump unit having a can of this type is also provided. | 01-29-2009 |
| 20090010783 | SUBMERSIBLE PUMP UNIT - A submersible pump unit having a wet-running electric motor and only a single impeller can be driven by the electric motor with a rotation speed greater than 20,000 rpm. The rotor of the electric motor has a diameter of less than 25 mm. | 01-08-2009 |
| 20090004766 | Method for Producing Electronic Components and Pressure Sensor - A method produces electronic components in particular electronic sensors for pressure and differential pressure measurement. Firstly, the semiconductor structure of the electronic components is produced on a wafer. An insulating oxide layer is then applied. A protective metal layer is subsequently applied. The metal layer is applied in sections only in those regions of the wafer in which no splitting, for example by mechanical separation, occurs later. The electronic components thus formed in the wafer are then divided up into individual elements. | 01-01-2009 |
| 20080319702 | Method for Determining the Temperature of the Delivery Fluid of a Centrifugal Pump - A method is provided for determining the temperature of the delivery fluid of a centrifugal pump driven by a permanent magnet motor, whose rotor runs within a fluid-filled can. The rotor temperature is evaluated by way of electrical variables of the motor, and the temperature of the delivery fluid is determined by way of the rotor. This method permits sensor-free temperature measurement of the delivery fluid with a circulation pump which is driven by a permanent magnet synchronous motor. | 12-25-2008 |
| 20080210620 | Device For Treating Fluids, Especially Waste Water, Comprising a Stack of Disks - The invention relates to a device for treating waste water, said device comprising a closed housing ( | 09-04-2008 |
| 20080199334 | Pump Assembly - A pump assembly with an electric drive motor is provided in which the rotor ( | 08-21-2008 |
