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Matches 51 - 100 out of 2,711

Document Document Title
WO/2013/107967A1
The invention relates to a downstream guide vane sector (16) with vibration damping by means of a wedge for a turbine engine compressor, comprising an inner shroud (20), an outer shroud (22), at least one blade (24), a casing element (36...  
WO/2013/093492A1
A pump apparatus comprises a primary pump having a relatively low pressure fluid input and a relatively high pressure fluid output and means, associated with said primary pump fluid input, operable where the ambient pressure is insuffici...  
WO/2013/087387A1
The invention relates to a water lifting system, in particular a fire extinguishing system for offshore installations, such as oil and/or gas production platforms or ships or the like, comprising a pump (3) having a suction opening and a...  
WO/2013/022121A1
In the present invention, a pump device is obtained that demonstrates high self-sucking and pumping-up performance, and that can easily perform stationary cleaning or breakdown cleaning that satisfy sanitary methods. A self sucking-type ...  
WO/2011/042763A3
The invention relates to the process of increasing the capacity of circulating pumps where the intake is enhanced, and thereby also the capacity. This is done so that the pump itself powers the ejector in a classic manner, but the ejecto...  
WO/2012/137310A1
[Problem] To provide: a renewable energy generator device that can transmit a large torque and that has an affixing structure that is for a hydraulic pump and can be machined easily and at a low cost; and a method for attaching the hydra...  
WO/2012/084918A1
The invention relates to a pump device for operating vacuum drainage systems and for delivering waste water, especially in watercraft. The pump device comprises a drive device having a driving shaft which in turn comprises a first shaft ...  
WO/2012/045404A1
An inexpensive and simple-to-control solution for degassing liquid media is to be provided by way of a pump for delivering and degassing a liquid and having a pump housing with a pump inlet and a pump outlet, wherein a pump impeller whic...  
WO/2012/040752A1
The invention relates to a centrifugal pump for delivering a gaseous suspension, in particular a fibrous stock suspension, having a pump impeller (12) which has at least one opening (15) in the base plate and ribs (16) on its rear side, ...  
WO/2012/025156A1
For a garden pump, especially advantageous arrangements are specified as freezing-protection devices known in themselves in form of compressible bodies, wherein in particular two sub-chambers (VK, DR) of the pump interior separated in th...  
WO/2011/115951A3
A pump assembly comprises a centrifugal pump configured to pump a multiphase fluid, a suction conduit in fluid communication with the centrifugal pump, and a discharge conduit in fluid communication with the centrifugal pump. The pump fu...  
WO/2012/013030A1
A vertical self-priming pump includes a pump body (10), a motor (20) and a medium reflux blocking device (30). A middle division board (11) is provided in the pump body (10). A flow guide body (40) is fixed on the middle division board (...  
WO/2011/065737A3
The present invention is a self-priming pump incorporating an impeller coupled to the shaft of a drive motor between a rear casing coupled to the drive motor and a front casing which has an intake hole and a discharge hole and is formed ...  
WO/2011/125413A1
Disclosed is a pump configured to introduce liquid from an introduction path to a pump chamber through vanes, wherein a foreign substance prevention portion configured to prevent a foreign substance that has been mixed into the liquid fr...  
WO/2011/091809A1
The invention relates to a garden pump arrangement comprising a centrifugal pump impeller. According to the invention, the rotational axis of the impeller is aligned vertically, the impeller chamber is positioned lower than the outlet co...  
WO/2011/065737A2
The present invention is a self-priming pump incorporating an impeller coupled to the shaft of a drive motor between a rear casing coupled to the drive motor and a front casing which has an intake hole and a discharge hole and is formed ...  
WO/2010/149455A1
The invention relates to a circulating system for food-compatible fluids, having a circulating pump (12) comprising a suction fitting (18) opening into a pump chamber (24) and a radial impeller (28) disposed in the pump chamber, characte...  
WO/2010/085840A1
Check valves for positive displacement pumps with an extended capacity to sealingly enshroud granules, and check vent valves with capacity to capture a quantity of fluid during a pump delivery stroke, and return that quantity of fluid to...  
WO/2010/057413A1
An automatic-control fluid jet guide lift pump comprises a fluid jet guide device (1) and a delivery pump (2). On the delivery pump (2) is installed a liquid lever sensor (3). The delivery pump (2) is provided with a gas outlet (4) on it...  
WO/2010/015650A1
A priming device (10) for electric pumps (11) comprising means for the automatic filling of the pump body (12) upon starting with liquid that originates from the same basin (13) from which the electric pump (11) is designed to draw when ...  
WO/2008/036098A3
An improved self-priming, centrifugal pump (100) for mixed-media flow includes a volute housing (101) having a suction (520) and a discharge (530), a volute scroll (502) disposed within the volute housing (101), an impeller disposed with...  
WO/2009/007075A4
The invention relates to a naturally-aspirated pump assembly which constitutes a series connection of a liquid ring pump, which operates as a rotating positive-displacement pump, and a normally-aspirated centrifugal pump, wherein the cen...  
WO/2009/007075A3
The invention relates to a naturally-aspirated pump assembly which constitutes a series connection of a liquid ring pump, which operates as a rotating positive-displacement pump, and a normally-aspirated centrifugal pump, wherein the cen...  
WO/2009/007075A2
The invention relates to a naturally-aspirated pump assembly which constitutes a series connection of a liquid ring pump, which operates as a rotating positive-displacement pump, and a normally-aspirated centrifugal pump, wherein the cen...  
WO/2008/114045A1
A dual pressure water pump (10) comprising a pump body (12), a low pressure impeller (16), a high pressure impeller (18), a pump priming system (20), a pump priming conduit (22) and a rear wear ring (24). The high pressure impeller (18) ...  
WO/2008/062482A3
An arrangement for drawing fluid from a sump (10), comprising a pump (24), a draft tube (12) extending from the pump (24), into the sump (10), said draft tube (12) having an opening within the sump (10) and a canopy defined by roof and s...  
WO/2008/080437A1
A suction pipe for drawing in a fluid mix comprises an intake nozzle (10) which can be subjected to negative pressure for drawing in a second fluid (4), with at least one intake nozzle opening (20) open counter to a direction of intake f...  
WO/2008/027495A3
Some embodiments of the invention provide a self-priming adapter system including a pump inlet receiving liquid mixed with air, a pump coupled to the pump inlet, and a self-priming adapter coupled to the pump. The self-priming adapter in...  
WO/2008/021251A3
Flood water removal systems (10' ' ') including a motor (20), a vacuum generating device, a discharge pump (440), and a vacuum tank can be efficiently arranged to be transversely mounted to a vehicle. Certain flood water removal systems ...  
WO/2008/062482A2
An arrangement for drawing fluid from a sump (10), comprising a pump (24), a draft tube (12) extending from the pump (24), into the sump (10), said draft tube (12) having an opening within the sump (10) and a canopy defined by roof and s...  
WO2008027495A9
Some embodiments of the invention provide a self-priming adapter system including a pump inlet receiving liquid mixed with air, a pump coupled to the pump inlet, and a self-priming adapter coupled to the pump. The self-priming adapter in...  
WO/2008/027495A2
Some embodiments of the invention provide a self-priming adapter system including a pump inlet receiving liquid mixed with air, a pump coupled to the pump inlet, and a self-priming adapter coupled to the pump. The self-priming adapter in...  
WO/2008/023515A1
A self-suction pump capable of stably discharging fluid to be transferred even if the fluid becomes a mixture of gas and liquid. A liner ring (50), which is in rubbing contact with an impeller (29) when it moves to the front side during ...  
WO/2008/021251A2
Flood water removal systems (10' ' ') including a motor (20), a vacuum generating device, a discharge pump (440), and a vacuum tank can be efficiently arranged to be transversely mounted to a vehicle. Certain flood water removal systems ...  
WO/2007/143994A1
There is disclosed a slurry tanker with a tank (1) having an feed line (48) with a filling pump (13) for filling with slurry for pumping the slurry from a container (16) to the tank, and a discharge line (49) with an emptying pump (2) fo...  
WO/2007/126759A2
A two-stage air powered hydraulic pump has a portion of the air pressure that operates the pump diverted directly to the reservoir. The air pressure on the reservoir presses hydraulic fluid in the reservoir out of the reservoir, through ...  
WO/2007/118525A1
The invention relates to an immersion pump having a housing which has a suction opening and an outlet opening and holds a motor and an impeller which can be driven in rotation by said motor, wherein liquid which is to be fed can be sucke...  
WO/2007/115673A1
In order to specify a centrifugal pump (1) having a centrifugal pump outlet space (6) and a centrifugal pump suction space (4) and also having an additional ventilation pump (3), which is preferably embodied as a vacuum pump, with a vent...  
WO/2007/039139A1
According to a first aspect of the present invention there is provided a liquid pump system having an inlet tube, an impeller extending into the inlet tube and able to rotate relative to the inlet tube, there being a passage extending th...  
WO/2006/136868A1
A wastewater lifting pump device comprising a sump with a reception space, an input part-unit and an output part-unit, where the output part-unit has a pump unit located in the reception space of the .sump and a transmission duct connect...  
WO/2006/112646A1
The present invention relates, in general, to a sludge pump for cutting off sludge and discharge the sludge and foreign substances, and more particularly, to the sludge pump for discharging not only the sludge but also liquid. The sludge...  
WO/2006/079274A1
The present invention discloses a vortex centrifugal constant pressure pump, which belongs to hydraulic mechanical and engineering facilities technical fields and can be applied to the case that it requires a constant output pressure for...  
WO/2006/010202A1
A pumping system in which a pump (5) is controlled by a programmed controller (22) is response to input signals from an inlet pressure transducer (3) and an outlet pressure transducer (15) and in certain circumstances inputs from various...  
WO2004079195A3
A pump comprising an impeller chamber, an impeller attached to an adaptor shaft and being disposed in the impeller chamber. The adaptor shaft is rotatably held in an intermediate housing. A drive source is mounted on the intermediate hou...  
WO2005035447A3
A two-stage sewage grinder pump (10) having two impellers (30, 32) and a grinder (60) attached to the motor shaft (24). Preferably, both impellers are vortex impellers and are positioned between the grinder and the motor. The motor housi...  
WO/2005/045189A1
The aim of the invention is to improve delivery of the multi-phase mixture especially hydrocarbons from a well and to limit the free gas volume. According to the invention, a partial liquid flow (13) is branched off on the pressure side ...  
WO/2005/040616A1
A water-lifting pump device and an operation control method for the pump device, where a discharge valve and a non-return valve can be eliminated to reduce costs, and vibration and noise caused by a waterfall after a water lifting operat...  
WO/2005/035447A2
A two-stage sewage grinder pump (10) having two impellers (30, 32) and a grinder (60) attached to the motor shaft (24). Preferably, both impellers are vortex impellers and are positioned between the grinder and the motor. The motor housi...  
WO/2005/010374A1
A self-priming centrifugal pump comprises a pump housing (2) having at least one inlet (3) and one outlet (4) for a working fluid, an impeller (5) rotatably mounted in the housing (2) and mounted to a shaft (6) having a longitudinal axis...  
WO/2004/092590A1
The present invention discloses a vacuum water pump wherein an impeller (14) that is divided into a suction portion (16) formed in such a manner as to be in close contact with the inner peripheral surface of a tapered cover (8) and a dis...  

Matches 51 - 100 out of 2,711