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WO/2011/102937A1 |
A pump has a PVC "T" shaped member having an inlet, an outlet and an interior pumping chamber positioned between the inlet and outlet; a piston displaceable into the chamber; an air cylinder for driving the piston into the chamber; a spr...
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WO/2011/098003A1 |
A distributing valve for a concrete pump, the concrete pump, a control method thereof and a concrete pump truck are provided. In which, the distributing valve comprises a valve body (200) and a wear-resisting plate (300). The valve body ...
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WO/2011/097853A1 |
A distributing valve for concrete pump, a concrete pump and a control method thereof and a concrete pump vehicle are disclosed. The distributing valve includes a valve body (200) and a wear resistant plate (300), the valve body (200) has...
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WO/2011/094694A2 |
Drywall mud pumps for pumping drywall joint compound from buckets into drywall tools that each include a body or main cylinder, a driver or piston, and a handle. A structural component may be in rigid relation to the body and the handle ...
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WO/2011/091537A1 |
Abstract Embodiments of the invention provide a system and method for induction heating a helical rotor of a progressing cavity pump in order to reduce the surface roughness of the rotor In order to heat the rotor most evenly. It is desi...
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WO/2011/090504A1 |
The cryogenic fluid generator includes at least one pump assembly having an actuator mounted to a container assembly. A pump assembly housing includes a longitudinal positioning opening and a pressurization cavity at a distal end termina...
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WO/2011/088232A1 |
A pump for one or more different process fluids is provided including a pumping chamber having a process fluid inlet and outlet coupled to a process fluid valve on each pumping chamber for selectively preventing and allowing flow of proc...
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WO/2011/054533A1 |
In a high-viscosity material delivery device that has a seal element (6) on the basis of elastomer materials (3) for sealing off surfaces (1, 2) that can be moved relative to one another, the seal element has at least one hollow chamber ...
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WO/2011/047785A1 |
The invention relates to a compressor system (1) for cryogenic media, comprising an oscillating piston-type compressor (3) driven by a drive motor (4), wherein the drive motor (4) is arranged together with the compressor (3) in a pressur...
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WO/2011/029328A1 |
A concrete mixing plant capable of separating and warning slurry leakage includes a hydraulic motor (1), a support base (5) and a mixing shaft (2). The hydraulic motor (1) is mounted on the support base (5). The mixing shaft (2), on whic...
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WO/2011/017689A2 |
A hydraulic plunger installation tool that exerts a hydraulic force on a plunger for a reciprocating pump to install the plunger into a pump cylinder opening. Maintenance of the pump typically includes repacking of the packing that surro...
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WO/2011/003899A1 |
The present invention relates to a method for continuously delivering a fluid used as a feedstock in a chemical reaction by means of a positive displacement pump comprising spatially separated delivery valves and a fluid-filled transfer ...
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WO/2011/001267A2 |
The invention relates to a device for pumping a flowable mass, in particular a consumable item. The device comprises a main body (3) having a hollow space (7), which is in fluid connection with a mass source (6) by way of an inlet openin...
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WO/2010/133270A1 |
The invention relates to a hydraulic drive comprising a hydraulic pump (2) having a pressure medium connection to a consumer (6). In order to drive the consumer, a pressure medium flow direction of the pressure medium connection between ...
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WO/2010/132159A1 |
A hydrogen pump comprises a pump housing and a heating mechanism. The pump housing receives liquid hydrogen through a housing inlet. The heating mechanism vaporizes the liquid hydrogen into gaseous hydrogen. The pump housing releases the...
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WO/2010/122268A1 |
The invention relates to a positive-displacement pump (10) including a pump body (12) defining a chamber (14) for pressurizing gum, and an element (16) for feeding the chamber (14) with the gum. The feeding element (16) includes an auger...
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WO/2010/096870A1 |
A flowable material delivery system (10) comprises a working fluid valve (26); and, a pump (18) in fluid communication with the working fluid valve (26). The pump (18) is configured to hold a supply of a flowable material such as grout. ...
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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...
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WO/2010/081695A1 |
The invention relates to a method for feeding pasty masses using a pump device which has a piston pump with at least two cylinders with in each case one piston, in which pump device each cylinder is connected via an inlet opening, which ...
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WO/2010/078627A1 |
A system and method for pumping a fluid over an at least partially vertical distance is provided. The fluid, such as water, is pumped through a conduit having a substantially vertical portion and gas, such as air, is supplied at or near ...
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WO/2010/056523A1 |
An apparatus for a diaphragm pump and a method for transporting at least a portion of a latex and/or a latex drag reducer through a diaphragm pump are disclosed. A method for reducing the pressure drop associated with flowing a hydrocarb...
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WO/2010/018355A2 |
A positive displacement wellbore servicing pump having a power end and a fluid end is disclosed. The fluid end has a main chamber and a suction bore in fluid connection with the main chamber and the suction bore has a suction central axi...
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WO/2010/002841A2 |
The present invention comprises a downhole unit that includes at least one plunger and that uses a power fluid to recover production fluid from a well.
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WO/2009/150337A2 |
The invention relates to a device for pumping a cryogenic fluid, consisting of a tank (1) for storing a cryogenic fluid containing cryogenic liquid, a cryogenic pump (3) having an inlet pressure loss (net positive suction head, NPSH), an...
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WO/2009/120670A1 |
The present disclosure provides various pumps and compressors for energizing fluids. In accordance with a preferred embodiment, pumps are provided for compressing hydrogen gas produced by electrolysis at a first location. The pump includ...
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WO/2009/118463A1 |
The invention relates to a dosing pump (1) especially for a product which is to be pumped and dosed and has a more or less pasty, especially heterogeneous and fragile, consistency, comprising, along an axis (6): a cylinder head (7) havin...
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WO/2007/009278A9 |
Disclosed is a piston rod seal for pumps that are used for cryogenic media and encompass a piston rod (2). The sealing effect in relation to the cylinder (18) is obtained by means of at least one tubular labyrinth seal (23, 24) which is ...
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WO/2009/094883A1 |
An electric residue-extracting pump for methane pool, is composed of a pump body (1), a transmission mechanism (2) and a motor (3), a residue outlet connection pipe (4) and a unidirectional fixed valve (5) are provided at the upper part ...
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WO/2009/070876A1 |
A mud pump is provided that includes a frame and a motor mounted on the frame to rotate an eccentric shaft having substantially circular eccentric lobes. Each lobe is rotatably mounted in a slide. Each slide is slidably mounted in a slid...
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WO/2009/066292A1 |
A pumping unit for delivering a liquid medium from a low pressure vessel such that the delivered medium has sufficiently high pressure, by providing the liquid medium in the form of separated pulses.
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WO/2009/059376A1 |
A Concrete Pump is a mechanical device compromising of round funnel shape hoper, Pump outlet, rotating pressure and wear plates, to which are attached rotating pump cylinders, opposite rotating wear plate and press against it is stationa...
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WO/2009/053005A1 |
The invention relates to a piston pump for delivering concrete or the like, having at least one delivery cylinder (1) and one delivery piston (3) which can be moved axially in the delivery cylinder (1) and is connected to a drive (5) via...
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WO/2009/054041A1 |
[PROBLEMS] A high-pressure homogenizer is provided in which a cleaning water is introduced by a simple operation and a feed-holding hole part can be easily cleaned without fail without the need of disassembling/assembling a pressure-elev...
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WO/2009/041811A1 |
Slurry pump, particularly for pumping abrasive slurries or construction slurries, comprising a frame, a rotor that is rotatably connected to the frame and which is provided with at least three pump cylinders each having a related hydraul...
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WO/2009/026992A2 |
The invention relates to a displacement machine, in particular a pump with a piston that is arranged inside a cylinder chamber. According to the invention, the cylinder wall is at least partially formed from an insulating material, said ...
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WO/2009/026991A1 |
The invention relates to a displacement machine, in particular a pump with a piston that is arranged inside a cylinder chamber. According to the invention, the cylinder wall is at least partially formed as a thin metal wall (4), suitable...
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WO/2009/024629A1 |
High-pressure polymer injection pump, constituted from a platform with an electric motor associated therewith, whose driveshaft drives an hydraulic pump submerged in a tank of hydraulic oil wherein is also installed a manually activated ...
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WO/2009/022227A2 |
The invention relates to a liquid paint pumping apparatus comprising a piston reciprocable in a cylinder to pump liquid paint during a substantially horizontal pumping stroke of the piston and to charge the cylinder with paint during a r...
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WO/2009/019013A2 |
The invention relates to a wear part (1) for a concrete pump, comprising a base body (2) having at least one opening (9), at least one coating (10, 20) made of wear-resistant material, applied to a circumferential surface (3, 4) of the b...
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WO/2009/018898A2 |
The invention relates to a displacement machine, particularly a pump, comprising a piston disposed inside a cylindrical chamber, at least one outlet valve disposed in the region of the cylinder floor, and at least one inlet valve. Accord...
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WO/2008/138446A1 |
The invention relates to a displacement machine, particularly a pump, having a piston disposed within a cylinder space, at least one discharge valve disposed in the region of the cylinder base, and at least one inlet valve. According to ...
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WO/2008/138220A1 |
An electromagnetic pump, especially a direct-current electromagnetic pump without external power source for transporting liquid metal, which is suitable for taping out liquid aluminum from an electrolytic cell. Wherein, the pump body (2)...
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WO/2008/132839A1 |
A drawing device that can be easily operated to draw fluid, that does not cause contamination of a follow plate by a leakage of the fluid from a contact section between the follow plate and a container, and that is small in size. In the ...
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WO/2008/132514A1 |
Drilling rig apparatus having a driven shaft, such as a mud pump comprising a pumping section (20) and a motor a pparatus (30), the pumping section (20) having at least one pump (58,59) and a main pinion shaft (32), said motor apparatus ...
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WO/2008/126035A1 |
The invention provides a pumping system for delivering a plurality of different materials serially at a location at substantially the same flow rate wherein the system has a plurality of diaphragm pumps wherein each diaphragm pump has a ...
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WO/2008/115218A2 |
A method and system for pumping liquefied gas are provided. The system for pumping liquefied gas can includes a container having an access port with a central axis disposed at an upper end thereof, a pump disposed within the container, a...
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WO/2008/068433A1 |
The invention relates to a method for absorbing the displacement, under the influence of an external force, of at least one plunger (10, 20) in a linear electrodynamic motor comprising a least an induction coil (11, 21) magnetically coup...
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WO/2008/068077A1 |
The invention relates to a mobile machine, in particular a transportable thick-matter or concrete pump. The mobile machine comprises a carrying frame (10) for machine assemblies and a covering hood (12) which reaches over the carrying fr...
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WO/2008/043218A1 |
A method and apparatus for suppressing vibration of a boom of a concrete pump vehicle, where a boom hydraulic cylinder (2) and a damping hydraulic cylinder (21) are connected to each other. A pressure monitoring unit real-time detects th...
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WO/2008/033055A1 |
The invention relates to pump engineering, in particular to pumps for pumping aggressive fluids and can be used in hydrometallurgy, in the oil-and-gas, metal mining, coal and metallurgical industries. The aim of said invention is to ease...
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