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WO/2013/056855A1 |
Disclosed is an adjustable coolant pump for a cooling circuit in an internal combustion engine, comprising a hollow bearing shaft which is accommodated in a bearing sleeve, supports a drive gear at one end, and is permanently connected t...
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WO/2013/051290A1 |
A pump device (1A) is provided with the following: an impeller (2) which rotates around a rotational axis (A); an inflow passage (10a) which extends along the rotational axis (A) of the impeller (2); a vortex chamber (10b) provided aroun...
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WO/2013/045102A2 |
A method for monitoring the operational state of a pump (10) comprises acquiring a set characteristic diagram of the pump (10), the characteristic diagram of the pump (10) being defined by a functional relationship between a first pump o...
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WO/2013/034189A1 |
The invention refers to a switchable automotive coolant pump (10; 10') with a pulley wheel (18) fixedly supported by a rotor shaft (12; 12'), a shaft sealing (13) separating the a dry section (D) from a wet section (W) with respect to th...
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WO/2013/020181A1 |
The invention resides in a swimming pool pump which is able to operate at a low speed and a high speed, the pump automatically switched between the low speed and the high speed each time power is supplied to the pump.
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WO/2013/014832A1 |
Provided is a space-saving pumping device that is capable of performing variable speed operation control by the pumping device alone while reliably dissipating heat. The pumping device is constructed by integrating a pump unit with an im...
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WO/2013/010683A1 |
A coolant pump (1) for a coolant circuit of an internal combustion engine with a drive wheel (4) driven preferably via a belt drive, which drive wheel is connected to an impeller (5) via a drive shaft (3, 29) rotatably mounted in a pump ...
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WO/2012/174718A1 |
Disclosed are a single-phase permanent magnet rotor electric pump only rotating in a right direction and its realization method. The method comprises the following steps: controlling the size of a water chamber (3) within a water pump bo...
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WO/2012/173552A1 |
The invention relates to a method for controlling at least a part of a pump station comprising a number of speed controlled pumps, the method is arranged to minimize the specific energy consumption Espec of said at least a part of a pump...
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WO/2012/173551A2 |
The invention relates to a method for automatic mutual alternation between an arbitrary number of pumps by the control of an individual pump, which makes use of a start condition for a state change from an inactive state of the pump into...
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WO/2012/167961A1 |
The invention relates to a coolant pump for a cooling circuit of an internal combustion engine, comprising a pump housing (1) in which a drivable shaft (2a) is mounted, at the one end of which drivable shaft impeller (4) is fastened. Sai...
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WO/2012/167953A1 |
The invention relates to a coolant pump for a coolant circuit of an internal combustion engine, comprising a pump housing (7), in which a drivable shaft (2a) is mounted, to one end of which shaft a rotor (4) is fastened. The rotor compri...
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WO/2012/165048A1 |
[Problem] To facilitate detection of abnormalities in backflow prevention valves in a water supply system provided with multiple water supply devices which comprise a backflow prevention valve and a pump and are parallel-coupled through ...
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WO/2012/160096A1 |
A float switch device for submersible pumps comprises a floating member (2) linked to the body of a pump (10) for controlling the starting and the stopping of the same pump (10) according to the level of the fluid. The floating member (2...
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WO/2012/156726A1 |
This invention relates to programmable electronic device that prevents wastewater submersible and non-submersible pumps as well as viscous pumps from ragging therefore avoiding pump blockage. In one aspect the invention provides a pump a...
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WO/2012/152238A1 |
The invention relates to a controllable coolant pump for internal combustion engines, for example for internal combustion engines of trucks. The aim of the invention is to develop a controllable coolant pump for motor vehicles, comprisin...
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WO/2012/154971A2 |
A method and system for metering liquid production at a well comprises an actuated back pressure control valve, a liquid pump, a liquid flow meter and a pressure sensor, both intermediate the liquid pump and the back pressure control val...
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WO/2012/145222A1 |
Systems and methods to determine the apparent density of a fluid being displaced by a pump. The apparent density may be determined by comparing an expected torque of the pump to an actual torque of the pump. The apparent density can also...
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WO/2012/127783A1 |
A water distribution pressure control system comprises: a pipe line resistance model generation unit which, on the basis of a discharge pressure measured by a discharge pressure measuring instrument installed between a water distribution...
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WO/2012/123165A1 |
The invention relates to a regulatable coolant pump for a cooling circuit of an internal combustion engine, comprising a hollow bearing shaft (1) carrying a drive wheel (2) on one end thereof and being secured to an impeller (18) on the ...
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WO/2012/119622A2 |
The invention relates to a controllable cooling system (1) for a motor vehicle comprising a coolant circuit, which delivers a coolant to an internal combustion engine and draws off coolant therefrom, as well as a mechanically operated co...
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WO/2012/121680A2 |
The subject of the invention is a device for an automatic regulation of pump operation of a sensor microprocessor controller that optimally regulates the operation of a pump. The device of the invention solves the mentioned problems; by ...
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WO/2012/116676A1 |
The invention relates to a controllable coolant pump for an internal combustion engine, which is driven by means of a belt pulley. The aim of the invention is to develop a driven controllable coolant pump which among other things ensures...
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WO/2012/116675A2 |
The invention relates to a device and method for the defined longitudinal shifting of an adjusting device, which rotates along in a drive shaft, along the center axis of the drive shaft. The aim of the invention is to develop a device an...
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WO/2012/113497A1 |
The invention relates to a method for the operation of an electric motor-driven pump for optimal power in a hydraulic system having at least one self-regulated load, wherein the desired discharge head (Hsoll) of the pump is regulated dep...
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WO/2012/099242A1 |
The present invention can control a pump so as to decrease the rotational speed while ensuring a constant flow rate and respond a request for energy saving. Disclosed is a water supply device provided with: a pump that applies pressure o...
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WO/2012/095249A1 |
A system and a method for controlling the pressure of a fluid in a distribution network (2). The network comprises at least one pump station (4) having a number of pumps (6) that are configured to pressurise the fluid from a supply line ...
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WO/2012/071778A1 |
A pipeline pump having thermal protection, comprising a motor (10), a handle (16) arranged on the motor (10), a pump body (5) arranged on a motor shaft (10-1), a water outlet (5-2) and a water inlet (5-1) arranged on the pump body (5), a...
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WO/2012/071779A1 |
A smart pump comprising a housing (5), an outlet cover (13) arranged on the top of the housing (5), a power plug (1) arranged on the outlet cover (13), a circuit board (2) arranged within the housing (5), and a rotor (4) and a stator (6)...
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WO/2012/072601A1 |
The invention relates to a pump apparatus for a calibration tool of an extrusion plant, which has a separator (11, 111) having at least one fluid inlet (12, 112, 112') for a fluid mixture comprising liquid and gaseous media, at least one...
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WO/2012/069055A1 |
A pump (P) for pumping liquids containing solids, e.g. waste water, sewage, sludge or manure is disclosed. The first opening (14), which is surrounded by a seat (22) for a rotary wheel (12), acts as an inlet when the pump is active and a...
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WO/2012/062271A2 |
The invention relates to a coolant pump for internal combustion engines, which coolant pump is driven mechanically by a pulley wheel, a gearwheel, an insert shaft or the like and can be controlled by means of a valve slide. The invention...
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WO/2012/062956A1 |
Control method and control apparatus of the electric motors of a pump unit of a fire protection system, which fire protection system comprises spray nozzles (112), a pump unit, a control system with pressure-measuring means, and piping (...
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WO/2012/059248A1 |
Electric-motor motor-vehicle liquid delivery pumps (10) having an electrically commutated motor stator (12) and a permanently excited motor rotor (14), wherein a separating can (16) separates the wet region (22) with the motor rotor (14)...
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WO/2012/052246A1 |
The invention describes a device and a method for monitoring rotating components in centrifugal pumps or systems which comprise centrifugal pumps, composed of a first unit (1) which is permanently connected to the component to be monitor...
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WO/2012/032882A1 |
A monitoring device for a circulation flow path connected to a pump and a filter comprises a rotation indicator, a storage device, and a detector. The rotation indicator is constituted to measure the rotation state of the pump. The stora...
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WO/2012/025289A1 |
A centrifugal pump having at least one impeller (32), a pump housing and an electrical motor. The pump has a Q-H pump curve (4) having a head H0 (28) at zero flow and a head Href (30) corresponding to the highest hydraulic power and that...
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WO/2012/024778A1 |
An electric pump comprises an outer housing including a motor cavity and a controller cavity separated by a partition wall. An inner housing is positioned within the motor cavity of the outer housing. One of the inner and outer housings ...
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WO/2012/021690A2 |
A pumping system (1) comprising a pump (2) having an electrical drive motor (4) and a control unit (6) configured to control the speed of the electrical drive motor (4). The control unit (6) is configured to receive position information ...
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WO/2012/004544A1 |
The invention relates to a water pump (1) comprising a pump housing (10) capable of holding in position at least one shaft (20) to which an impellor (30) is secured, the impellor (30) being driven by a drive pulley (40), characterized in...
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WO/2012/003788A1 |
Disclosed are a water pump control circuit and a water pump control method. The circuit is connected to a water pump (8), a power source (9), and a voltage Vcc, and comprises: a central control unit (1) having an output terminal capable ...
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WO/2012/003870A1 |
For a garden pump that is automatically switched off by means of a flow sensor that detects a minimum flow rate, a delay time between the time at which the flow rate falls below the minimum flow rate and the time at which the drive motor...
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WO/2011/163375A1 |
Systems and methods for employing gauge packages for use with a wet-connect ESPs. In one embodiment, a modular gauge package includes a body, a gauge electronics assembly housed within the body, and a pair of electrical connectors at the...
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WO/2011/163521A2 |
A well watchman pumping and control system capable of operating in a wide range of ambient conditions is described. The system automatically maintains water level in a water storage vessel, while protecting the pump and generator from op...
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WO/2011/157899A1 |
A method for obtaining an estimate for a process quantity of a turbomachine comprises measuring (301) first process quantities and calculating (302) an estimate for a second process quantity, for example mass flow, on the basis of the me...
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WO/2011/157459A1 |
The delivery device (1) according to the invention with automatic regulation of the delivery rate comprises a pump device (2), a suction vessel (3) and a suction sump (4), wherein the suction vessel (3) has a suction chamber (3h) which i...
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WO/2011/154263A1 |
The domestic appliance W is equipped with a liquid pump 1, wherein the liquid pump 1 has a pre-chamber 2 and a main chamber 3, wherein the pre-chamber 2 has a filling opening 4 for filling liquid K; the pre-chamber 2 and the main chamber...
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WO/2011/154852A1 |
A pump group (1) for a cooling circuit, in particular for motorcycles, motor vehicles and similar, comprising a pump. (1), a by-pass duct (20) and a self-regulating obturator device (30), positioned at the fork between the exit duct (2) ...
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WO/2011/124963A1 |
A system and method for detecting cavitation in pumps for fixed and variable supply frequency applications is disclosed. The system includes a controller (14, 24) having a processor (26) programmed to repeatedly receive real-time operati...
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WO/2011/123892A1 |
A pump (10) for processing a fluid comprising a body (11) defining a suction inlet (21) and a discharge outlet (17), and means (31) responsive to a prescribed temperature condition associated with the pump (10). The invention also includ...
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