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Matches 451 - 500 out of 7,468

Document Document Title
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...  
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 ...  
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...  
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 ...  
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 ...  
WO/2011/056319A3
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...  
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...  
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).  
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...  
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...  
WO/2011/017667A3
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 ...  
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...  
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 ...  
WO/2011/041998A3
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
WO/2010/151739A3
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...  
WO/2010/149316A3
The present invention relates to a water attraction device for swimming pools, having a pump (5) and a first water attraction (2, 2'), and a pressure line (6) connecting the first water attraction to the pump. According to the invention,...  
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...  
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 ...  
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...  
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...  
WO/2010/094606A3
Therefore, the invention is based on the problem of improving the safety management of a generic device and of a corresponding method for conveying a liquid. For this purpose, it is proposed that the measuring device (17, 17') and the re...  
WO/2010/117868A3
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...  
WO/2010/099426A3
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...  
WO/2010/127825A3
The invention relates to a fail-safe rotary actuator (1) for a coolant circuit, particularly for a coolant circuit of an internal combustion engine (2) comprising a plurality of partial circuits (3) and (4), having a coolant delivery pum...  
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...  
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...  
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 ...  
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 ...  
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.  
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 ...  
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...  
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...  
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 ...  
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 ...  
WO/2010/080783A3
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 ...  
WO/2010/081694A3
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) ...  
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...  
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...  
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 ...  
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 (...  
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...  
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...  
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...  
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 ...  

Matches 451 - 500 out of 7,468