Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 251 - 300 out of 3,822

Document Document Title
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...  
WO/2010/018355A3
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...  
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...  
WO/2010/002841A3
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.  
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.  
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...  
WO/2009/150337A3
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...  
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...  
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...  
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 ...  
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...  
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.  
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...  
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...  
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...  
WO/2009/051493A3
A piston pump (10) is provided comprising a cylinder (14) with an inner cylinder wall (15). The piston pump (10) comprises at least one working space (18) including fluid intake and fluid outlet, a piston (12) including a piston rod (26)...  
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...  
WO/2009/026992A3
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 ...  
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 ...  
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...  
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 ...  
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...  
WO/2009/022227A3
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...  
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...  
WO/2009/018898A3
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...  
WO/2009/019013A3
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...  
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...  
WO/2009/003785A3
The invention relates to a pipe junction for two-cylinder viscous matter pumps, comprising a spectacle-type plate (30) that faces the cylinders and has two openings (14) which communicate with conveying cylinders (10, 12), and a swivel p...  
WO/2009/003784A3
The invention relates to a wearing ring for dual-cylinder thick matter pumps. The wearing ring (44) has a support structure (46) provided with at least one circular opening (50) and a plurality of ring segments which are made of wear-res...  
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 ...  
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)...  
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 ...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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...  
WO/2008/030180A8
The invention relates to a metering pump for feeding out viscous materials, which pump comprises a housing having an inlet, connectable to a viscous material source, and an outlet; a valve body of cylindrical basic shape, which is rotata...  
WO/2008/030180A2
The invention relates to a metering pump for feeding out viscous materials, which pump comprises a housing having an inlet, connectable to a viscous material source, and an outlet; a valve body of cylindrical basic shape, which is rotata...  
WO/2008/030180A3
The invention relates to a metering pump for feeding out viscous materials, which pump comprises a housing having an inlet, connectable to a viscous material source, and an outlet; a valve body of cylindrical basic shape, which is rotata...  
WO/2008/025410A1
The invention relates to a delivery pump having a variable-speed drive for an adjustable metering delivery quantity, wherein the delivery pump is configured as a single-stage centrifugal pump having a radial wheel of centrifugal design w...  
WO/2008/009119A2
A portable pumping apparatus for concurrently pumping liquid from a source container to a destination container and pumping vapor from the destination container to the source container comprises a liquid and vapor pump having a liquid in...  
WO/2008/009119A3
A portable pumping apparatus for concurrently pumping liquid from a source container to a destination container and pumping vapor from the destination container to the source container comprises a liquid and vapor pump having a liquid in...  
WO/2007/147586A1
Disclosed is a two-cylinder slurry pump, especially for conveying concrete, comprising a first (A) and a second (B) conveying cylinder which extend into a prefilling container (3), and two pivotable distribution tubes (8a, 8b) that are p...  
WO/2007/118568A1
The present invention relates to a feed pump, in particular for pumping UV-paints and other high-viscosity media, with a pump housing (2) to which an inlet valve (3) and an outlet valve (5) are fitted, and a piston (8), which for pumping...  
WO/2007/115665A1
The invention relates to a piston pump for thick matter, in particular for high-solids sewage sludge, coal sludge and concrete. The piston pump has at least one delivery cylinder (16) which contains a motor-driven or hydraulically driven...  
WO/2007/104398A1
The invention relates to a compressor (1) for cryogenic media, which is connected on the inlet side to an inlet line (9) and on the outlet side to an outlet line (10). The aim of the invention is to provide a compressor that has a simple...  
WO/2007/082421A1
A distribution valve for concrete transport pump includes a valve body, a swing arm, two end covers, a left rotary valve and a right rotary valve. The two end covers are disposed on the two ends of the valve body. There are two chambers ...  

Matches 251 - 300 out of 3,822