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WO/2011/113588A1 |
The invention relates to a method for determining a pressure of a medical fluid in a fluid line using at least one centrifugal pump (11), with the pressure being determined upstream of the centrifugal pump (11) taking into account inform...
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WO/2011/111865A1 |
A controller-integrated motor pump is disclosed. The motor pump includes: a pump (1); a motor (2) configured to drive the pump (1); a control unit (3) configured to control the motor (2); and a pressure measuring device (16) configured t...
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WO/2011/107153A1 |
The invention refers to an adjustable mechanical coolant pump (10) for an internal combustion engine. The pump (10) comprises a pump rotor wheel (14) with an axial inlet. The pump rotor wheel (14) pumps a coolant radially outwardly. The ...
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WO/2011/108493A1 |
The flow rate of a pump, which is installed in a small space, is measured with good accuracy. A pump equipped with a flow rate measurement function comprises: a pump which has a first pressure outlet located on the downstream side of a s...
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WO/2011/101019A1 |
The present invention refers to a mechanical coolant pump 10 for an internal combustion engine. The mechanical coolant pump 10 comprises a main pump body 12 which comprises a volute housing 14. Inside the volute housing 14, a pump wheel ...
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WO/2011/100825A1 |
A float switch apparatus for controlling the energization of multiple electric circuits in response to the level of a liquid in a vessel, and a pump system incorporating same, are provided. The apparatus has a guide structure adapted to ...
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WO/2011/098126A1 |
The present invention refers to a mechanical coolant pump 10 for an internal combustion engine. The mechanical coolant pump 10 comprises a stationary main pump body 12 and a pump wheel 14 rotatably supported by the main pump body 12, whe...
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WO/2011/095907A1 |
A cooling pump (1) for vehicles comprises a valve group (10) to partialise the passage of liquid from the chamber (6) to the delivery pipe (8) of the pump body. The valve group (10) is extractable from the pump body (2).
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WO/2011/088983A1 |
The method for optimizing energy during the operation of a plurality of speed-controllable centrifugal pumps in a hydraulic system first begins with determining which pumps are directly assigned to a load as pilot pumps and which pumps a...
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WO/2011/088976A1 |
The invention relates to a pump unit, comprising a drive motor (14) and a first housing (2), in which a control electronics unit (18) is arranged for operating the drive motor (14), wherein an operating unit (20) having at least one disp...
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WO/2011/078680A1 |
A turbo-machine for automatic balancing of fluid-dynamic thrust forces and having an automatic thrust force balancing system comprising: - a balance piston (5) around a discharge end of a rotating shaft (3); - a balance chamber (7) for r...
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WO/2011/065711A2 |
Disclosed are an automatic pump and an operation control method for the same. With the automatic pump and the operation control method for the same, the number of turns in the stator coil of a motor is determined by optionally switching ...
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WO/2011/061112A1 |
The invention relates to a rotary pump arrangement having a rotary pump, an electric motor, and a controller and/or regulator. The controller and/or regulator is applied to the electric motor and connected to a rigid electrical supply vo...
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WO/2011/054069A1 |
System and method for identifying and correcting the direction of rotation of a two-pole single-phased motor (10) combined with a two-way pump (10), applied in washing machines, used for identification and correction of the rotation of t...
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WO/2011/056319A2 |
A fan array fan section in an air-handling system includes a plurality of fan units arranged in a fan array and positioned within an air-handling compartment. One preferred embodiment may include an array controller programmed to operate...
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WO/2011/042096A1 |
The invention relates to an immersion pump assembly having an electric drive motor and a control device (14) for controlling the drive motor, which are configured for dipping into a liquid (18) to be conveyed, having an external display ...
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WO/2011/041998A2 |
The invention relates to a controllable coolant pump driven by means of a belt pulley for internal combustion engines of larger motor vehicles, for example, trucks. The aim of the invention is to develop a coolant pump having a valve sli...
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WO/2011/039166A1 |
The invention relates to a switching device disposed on a centrifugal pump unit, wherein the switching device switches a driving motor using at least one switching means controlled by a microcomputer and is provided with a connection for...
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WO/2011/017104A1 |
Level sensing controller including first (36) and second (32) proximity sensors, control logic (52), and a power switch (54). The proximity sensors detect, and output a signal indicative of, the presence or absence of liquid in proximity...
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WO/2011/017667A2 |
Two chamber pumps and related methods provide a platform for measuring flow rate in about real time without contacting the material being pumped. Pressure and optional temperature sensors disposed in a pressurized chamber allow for flow ...
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WO/2011/012304A1 |
The invention relates to a control for electric water pumps comprising an input and an output for electric current and comprising a switching means between the input and the output which applies the output depending on a control in a swi...
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WO/2011/011982A1 |
A canned motor pump for enclosed circulation system comprises a canned motor (100) and a pump (200) driven by the canned motor. Said pump (200) includes a pump case (210) connected with the case of the canned motor, an impeller (250) con...
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WO/2010/148623A1 |
An online switching method of a high-pressure long-distance pipeline slurry transportation multi-stage pump station for converting an independent operation into a continuous pumping operation and converting the continuous pumping operati...
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WO/2010/151739A2 |
A compressor airflow control assembly is operable to control airflow through a centrifugal compressor. The control assembly includes an air valve mounted in the airflow path to control airflow through the compressor. The control assembly...
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WO/2010/149408A1 |
The invention relates to a device for pumping blood in an extracorporeal circuit, comprising a centrifugal pump (1), which suctions the blood to be pumped via a venous hose line (2) connected to the suction side of the pump and releases ...
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WO/2010/150379A1 |
A water pump (30) is configured comprising an impeller chamber (32), which is formed inside a housing (31), a swirl chamber (40), which is formed inside the housing (31) and is connected to a coolant passage (8) and the impeller chamber ...
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WO/2010/146609A1 |
A mechanical coolant pump (1 ) for vehicles comprises a pump body (2), an impeller (4) and a shutter valve set between the delivery chamber (6) and the delivery conduit (8) to close the delivery chamber.
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WO/2010/139416A1 |
The invention relates to a method for determining characteristic value of a centrifugal pump aggregate driven by an electric motor and integrated in a system, having a rotational speed controller using electrical parameters of the motor ...
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WO/2010/134882A1 |
The present invention relates to a ballast system (10) for a marine structure. The ballast system (10) comprises a ballast tank (12) which is in fluid communication with a tank arrangement (100) for temporarily holding bilge fluid and/or...
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WO/2010/133425A1 |
The present invention relates to a method and a device for determining an operating point of a work machine and/or of an asynchronous motor driving the same, wherein an operating point is characterized by a power consumed by the work mac...
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WO/2010/128749A1 |
The present invention relates to a method for controlling an inverter booster pump, which drives a pump (or a combination of pumps) at a point with the highest energy efficiency to minimize power consumption. The method according to the ...
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WO/2010/124664A1 |
The invention relates to a switchable coolant pump for combustion engines which is driven by a pulley, wherein the impeller can be driven switchably by the pulley by way of a friction pairing. It is the aim of the invention to develop a ...
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WO/2010/117868A2 |
A compression machine includes a refrigerant condenser, an expansion device, a refrigerant evaporator, a first compressor and a second compressor. Each compressor is arranged to receive lower pressure refrigerant vapor from the evaporato...
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WO/2010/115667A1 |
The invention is to a dual flow pump and a dual-flow impeller which is temperature sensitive and transfers the pump from low-flow to high-flow modes. A bi-metallic disk (16) is employed to engage a secondary impeller (14) and increase th...
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WO/2010/115338A1 |
A zero-disturbance switching method for a pipeline transportation standby pump is provided. When a pump to be replaced is in a main mode, the method comprises the following steps: (1) pre-starting the standby pump and reducing the speed ...
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WO/2010/111937A1 |
A submersible pump with a built-in capacitance water-level controller and a capacitance water-level controller for a submersible pump are disclosed. The submersible pump includes a pump body (1) and a capacitance water-level controller (...
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WO/2010/102604A1 |
The invention relates to a controllable coolant pump driven by a belt pulley for internal combustion engines in the form of a controllable axial pump. The aim of the invention is to develop a controllable coolant pump driven by a belt pu...
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WO/2010/099426A2 |
A system and method for turning on and off a bilge pump whereby bilge water level is detected using level sensors and bilge pumps are turned on and off based on the detected water level. The system further incorporates an automatic trans...
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WO/2010/092238A1 |
The invention concerns a pump monitoring arrangement comprising means for receiving measurement data comprising at least a frequency component from a sensor into the memory of a computer device. The invention is characterized in that the...
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WO/2010/093277A1 |
In a method for monitoring ESP with a pump for pumping oil, gas, water or other fluid media, which pump is driven by an electrical motor, there are used acoustical phenomena of the motor and/or the pump as state variable for pumping the ...
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WO/2010/091454A1 |
A controller (30) for operating a pump associated with a liquid supply system. The controller includes a pressure unit comprising a housing (34a, 34b, 34c) having a liquid inlet (98) and a liquid outlet (39, 130). A biased (42) diaphragm...
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WO/2010/081763A1 |
The invention relates to a machine (1) for fluid transportation, especially compressor or pump, comprising: a fluid displacement unit (FDU), a driving unit (DU), a common shaft (SH), which transmits torque from the driving unit (DU) to t...
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WO/2010/081694A2 |
The invention relates to a device (3) for connecting an electric motor drive unit (1) to a pump unit (2). The device comprises a lantern (4), which encloses mechanical connecting means for driving the pump unit (2) by the drive unit (1) ...
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WO/2010/080783A2 |
A method is provided of controlling a pump including a electrical motor coupled to a rotor which carries first and second impellers at opposite ends thereof. The method includes: (a) driving the rotor using the motor, so as to circulate ...
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WO/2010/072307A1 |
The invention relates to a single or multi-stage centrifugal pump having a driven impeller (1) or impellers disposed in the pump housing and a shaft seal. The impeller has one or more adjustable relief openings (4) in at least one cover ...
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WO/2010/064055A1 |
A cooling apparatus (10) for a pump P of a bathing pool BP comprises a remotely- mounted control unit (22) for controlling the speed and/or torque of a motor M of the pump P and a body (11) defining a flow passage (13) for fluid driven b...
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WO/2010/054152A2 |
A system (10) for automatically controlling the position and level of an earthmoving implement (12) on an earthmoving machine (14). The system (10) includes at least one hydraulic actuator (16) adapted to raise and lower the earthmoving ...
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WO/2010/054153A2 |
A system (10) and method for performing a floating function in an earthmoving implement (12) of an earthmoving machine (14) without physically connecting chambers within a hydraulic actuator (16) that is adapted to raise and lower the ea...
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WO/2010/049349A2 |
An axial pump (10), particularly for aquariums and the like, comprising - an impeller body (11), provided with an impeller (12) which has a hub (13) jointly connected to a rotor (14) of an electric motor (15), the stator (17) of which is...
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WO/2010/037444A1 |
The invention relates to a centrifugal pump aggregate having at least one impeller, a suction inlet (4) on the inlet side of the impeller, and a pressure outlet (12) at the outlet side of the impeller, wherein a flow sensor (16, 18, 20) ...
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