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Matches 251 - 300 out of 3,851

Document Document Title
WO/2011/091537A8
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 desired to s...  
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...  
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...  
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 ...  
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...  
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...  
WO/2011/020552A3
The invention relates to a rotary piston pump (1) for metering a coating agent in a coating installation, comprising several pump units (6-8), each having one cylinder (32) and one rotary piston (31) which carries out a tumbling action i...  
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...  
WO/2011/017689A3
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...  
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 ...  
WO/2011/001267A8
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...  
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...  
WO/2011/001267A3
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...  
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 ...  
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...  
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...  
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. ...  
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/2010/081695A1
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 ...  
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 ...  
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 ...  

Matches 251 - 300 out of 3,851