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Patent Searching and Data


Matches 251 - 300 out of 3,802

Document Document Title
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 ...  
WO/2007/082110A1
A seal is formed of a material including about 80.0% to about 95.0% by weight fluoropolymer, about 1.0% to about 10.0% by weight aromatic polymer, and graphite fiber.  
WO/2007/076917A1
The invention relates to an arrangement for compressing fluids, in particular, cryogenic fluids, comprising a suitable compressor, in particular a piston compressor, for compressing fluids, in particular cryogenic fluids. According to th...  
WO/2007/072073A1
Apparatus for controlling fluid delivery from a vessel, the apparatus comprising a valve for inhibiting fluid flow from the vessel, and control means for activating the valve in response to a control signal generated by a device carried ...  
WO/2007/071017A1
An apparatus and method are provided for pumping a cryogenic fluid from a storage vessel. The cryogenic fluid is pumped from the storage vessel to a heat exchanger and then to a delivery conduit. A pressure sensor measures fluid pressure...  
WO/2007/052119A1
The invention provides a pump comprising a housing, a separator within the housing dividing the housing into a material chamber and a driving fluid chamber, the separator being movable between a loading position and a discharge position,...  
WO/2007/038441A1
A linear adjustment operator for pressure control of paint pumps including a base, an electrical switch, a linear actuator, a spring biasing the switch towards the actuator and a lever acting on the actuator for repositioning the actuato...  
WO/2007/022867A1
The invention relates to a device for delivering thick matter. The device comprises: a delivery cylinder (20); a material feed space (16), which is connected to the delivery cylinder (20) on the entry side; a delivery line (18), which is...  
WO/2007/016486A1
Apparatus and method for releasing a stuck inlet check valve of a paint pump including a solenoid connected to the check valve with a pusher element which momentarily displaces a moveable element such as a ball in the check valve to brea...  
WO/2007/009278A1
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 ...  
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 ...  
WO/2006/133813A1
The invention relates to a compressor, especially a compressor for cryogenic media, preferably for liquid hydrogen, comprising a compressor chamber which is surrounded by a cylinder wall and in which a compressor piston is displaced in a...  
WO2005067518A3
A high pressure slurry pump is described which automatically provides a clean fluid buffer around the intake and exhaust valves of the pump and in front of the pump piston in order to displace erosive slurry material and thus extend the ...  
WO/2006/126356A1
[PROBLEMS] To provide a method for pumping out a liquid stored in a container capable of preventing the liquid from leaking through a clearance between a seal member installed around a follow plate and the inner peripheral wall of the co...  
WO/2006/108935A1
The invention relates to a rotary piston pump for semi-solid products, in particular for a mincemeat mainly for producing sausages, comprising a stator, a barrel (5) provided with an array of bores (51) in which pistons (93, 94) are arra...  
WO/2006/103435A1
The invention provides a method for the transportation of at least one material in a molten state from a first location to a second location, the method comprising the use of transfer means comprising a fluidic pump to effect the transpo...  
WO/2006/103219A1
Hydraulic circuit (10) for a pumping unit (H) for concrete, having a plurality of actuators (20, 21, 22, 23). The hydraulic circuit (10) comprises pumping members (25) of the oil-dynamic type connected to the actuators (20, 21, 22, 23), ...  
WO/2006/100979A1
A shot pump (100) capable of sucking a carried material from an inlet (103) and discharging it from an outlet (104) by reciprocatingly moving a piston (102) from one end to the other end of a cylinder (101). The ratio of a clearance (&dg...  
WO/2006/089772A1
The invention relates to a pump device for transporting a pulpy substance. Said device comprises at least two main transport cylinders for transporting the pulpy substance, a selectable slide gate system, which in a first slide mode crea...  
WO/2006/084593A1
The invention relates to a motor vehicle that can be driven by cryogenically stored fuel, comprising an extraction unit for extracting condensed gas from a container, in particular from a cryotank. The extraction unit for the cryogenical...  

Matches 251 - 300 out of 3,802