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WO/2018/073006A1 |
Gear pump (101) for a metering system (100) having a first gearwheel (103) and a second gearwheel (105), wherein the first gearwheel (103) and the second gearwheel (105) are arranged so as to mesh in one another, a holding means (107) fo...
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WO/2018/031464A1 |
A pump (21) is driven by rotation of an electrical motor drive shaft (29). An eccentric drive unit (24) includes an eccentric member (29a, 29b, 29c) coupled between the motor drive shaft and the pump drive shaft (71). The eccentric membe...
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WO/2018/019318A1 |
A rotor/stator system (12) for an eccentric screw pump (10) comprises a stator (14), which has a stator pitch and a screw thread-shaped inner circumferential surface (16) with N+l thread paths, and a rotor (18), which has a screw-shaped ...
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WO/2017/192097A1 |
A pump for pumping molten metal or molten salt, said pump comprising at least one component manufactured of a substrate and coated with one or more wear and erosion resistant surface layers,wherein said substrate is provided with at leas...
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WO/2017/177335A1 |
A rotary drive includes a housing; a shaft rotatably mounted within the housing and rotatable about a drive axis; a passage internal the housing and extending circumferentially about the shaft; a stator vane within the passage; and a rot...
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WO/2017/161428A1 |
The prior art vane pump cannot be used for pumping non-Newtonian fluids, especially fluids with suspended solid particles, in particular abrasive fluids such as ceramic pastes, cement and concrete pastes, ore pulps and the like. The pres...
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WO/2017/143459A1 |
A downhole pumping apparatus comprising a positive displacement rotary gear pump (RGP), driven by a rotating rod string or a submersible electric motor.
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WO/2017/139152A1 |
A submersible well pump assembly (15) has upper and lower seal sections (19, 20) connected between the pump (21) and a motor (17). The seal sections have drive shafts (37, 55) with thrust runners (39, 57) that engage thrust bearing bases...
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WO/2017/097898A1 |
The invention relates to a heatable screw spindle pump (10) comprising a housing (12) surrounding a delivery chamber, at least one rotor (18) having a thread-type profile, a housing insert (20) arranged in the housing (12) and surroundin...
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WO/2017/095052A1 |
A compression type vane pump of the present invention comprises: a housing main body (10) in which an inlet (11) through which fluid flows in is formed on one side thereof, an outlet (12) through which fluid is discharged is formed on an...
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WO/2017/079197A1 |
An apparatus and method prevent entrained solids from entering a pump by directing a process stream through an active upstream filter that removes the solids, and then through a downstream idle filter where the process stream purges the ...
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WO/2017/071888A1 |
External gear pump (1), in particular as a feeding fluid pump (102) in a waste heat recovery system (100), said external gear pump (1) comprising a pump housing (2). A first gear (11) and a second gear (12) mesh with each other in the pu...
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WO/2017/048015A1 |
The present invention relates to a rotary piston pump for collecting underground water located in a specific depth of a borehole, and the rotary piston pump according to the present invention allows: a plurality of volume varying spaces ...
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WO/2017/042726A1 |
Injection apparatus for injecting a liquid formulation into a molten polymer at high pressure includes a reservoir containing liquid formulation at ambient temperature and pressure which is arrange to flood-feed pump body 26 of a first p...
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WO/2017/017962A1 |
A biomass cake pressure-feeding device equipped with: a screw pump, which has a first screw having a helical first transport tooth, a second screw having a helical second transport tooth, and a casing accommodating the first screw and th...
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WO/2017/005634A1 |
A self adjusting gear pump (10) for an ice cream freezer and a control unit (20) for adaptively controlling the closing pressure (PCLOSE) of a pump for an ice cream freezer. The gear pump system comprises a pump casing (11), an inlet (12...
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WO/2016/174452A1 |
A fluid system for a pump, which includes a downhole rotating shaft and bearings inside a housing, and where a fluid volume around shaft is circulated from outside housing through a filter, so that only clean non-abrasive fluid is permit...
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WO/2016/149246A1 |
One example of a gerotor pump includes an inner rotor comprising multiple teeth, the inner rotor configured to rotate about a first longitudinal gerotor pump axis. The gerotor pump also includes a hollow outer rotor including an outer su...
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WO/2016/139230A1 |
The invention relates to a rotary piston pump (10) for conveying media, comprising a housing (50), wherein the housing (50) has an inlet opening (60) and an outlet opening (70), and a first rotor (20) and a second rotor (30), wherein the...
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WO/2016/134946A1 |
According to some embodiments, functionality of a conventional variable speed drive (VSD) for driving a subsea electric motor is "split" with the CPU with frequency converter control being located topside and the low-level switching hard...
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WO/2016/113122A1 |
A method and device for pumping highly viscous and firm compounds out of a container, wherein the compound to be pumped is forced to and into the pump inlet by way of a bladed impeller which is rotatable below a plate, or by way of a rot...
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WO/2015/183600A1 |
In at least one aspect, this disclosure relates to a wellsite pump for a wellsite having a wellbore penetrating a subterranean formation. The wellsite has a conduit to pass a wellsite fluid about the wellsite. The wellsite pump includes ...
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WO/2015/139688A1 |
The invention relates to a suction system (1) for generating a suction flow (7) within a suction flow line (3) through which material (6) is pneumatically transported, comprising a separator (3.1) which is connected to the suction flow l...
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WO/2015/143141A1 |
A gear pump includes a housing, at least one gear set and a plurality of end plates. The gear set may be positioned between the end plates so that side surfaces of the gears face corresponding side surfaces of the end plates. The side su...
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WO/2015/126955A2 |
An enhanced elastomeric stator assembly and method of making the same is disclosed. The elastomeric stator may be structurally, thermally, and/or chemically enhanced through the incorporation of graphene particles, cross-linkable polymer...
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WO/2015/094897A1 |
A method for applying a metalized polymer film (140) to a seal bag (118) for use in a downhole submersible pumping system includes the steps of applying a metal layer (142) to a polymer layer (144), applying an adhesive layer (146) to th...
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WO/2015/082257A1 |
The invention relates to a gear pump for delivering a high viscosity pumping medium using a gear pair (2) arranged in a housing (1), wherein one of the gears (2.1) is connected to a driveshaft (3), said driveshaft (3) being mounted on sl...
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WO/2015/078777A1 |
The invention relates to a pump (2) intended to pump an additive in an SCR system for a vehicle. The pump is configured to rotate in a first direction of rotation in order to convey additive stored in a tank towards an injector via an in...
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WO/2015/067584A1 |
The invention relates to a thick-matter pump (10), comprising: a pumping unit (20), which has a pumping volume (V), a feeding channel (11) for sucking in the thick matter, and an outlet (21); a control device (40), which determines a fil...
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WO/2015/067582A1 |
The invention relates to a thick matter pump (10) comprising: a screw conveyor (30) having an inlet for thick matter to be pumped; a conveyor unit (20) having an outlet (21) for the thick matter to be pumped, wherein the thick matter is ...
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WO/2015/048984A1 |
Gear pump with meshing gears (1, 1') enclosed by a pump housing (2), with bearing journals (5, 6) arranged on longitudinal axes (9, 10) and each projecting laterally away from the gears (1, 1'), wherein at least one of the bearing journa...
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WO/2015/025635A1 |
[Problem] To provide a sliding member for a pump with which the incidence of wear products can be quickly and accurately ascertained even if wear products were produced as the sliding member slides while being in contact with another mem...
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WO/2015/025140A1 |
Distributor apparatus (10) for distributing a plurality of portions or streams of a flowable material comprising an enclosure (16) which locates interengaging rotors (48, 50). An inlet port (66) is provided in an upper part of the enclos...
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WO/2015/018614A1 |
The invention relates to a coupling device for a metering pump, having a driveshaft (1) and a profiled shaft end (2). The profiled shaft end (2) is designed to be plugged to the metering pump in a rotationally fixed manner. The driveshaf...
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WO/2015/017358A1 |
A stator (50) for use in a progressive cavity pump (100) is provided, comprising a housing (53) having a suction end (52) and a discharge end (54), and an elastomeric liner (55) disposed within the housing (53) that defines a passageway ...
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WO/2015/011368A1 |
The present invention relates to a polyphasic pumping block device (110) comprising a pump (110) suitable for pumping a pumping fluid and a bypass circuit (157). Said bypass circuit is suitable for enabling the flow of a fluid from an ar...
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WO/2014/169962A1 |
The present disclosure relates to a vane-type rotary vacuum pump comprising a drive motor (1, 17) interacting with a vane-pump vacuum chamber (2), in which pump all the pump surfaces that are visible from the top are arranged in such a w...
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WO/2014/146190A1 |
In a rotor in rotor configuration, a pump has inward projections on an outer rotor and outward projections on an inner rotor. The outer rotor is driven and the projections mesh to create variable volume chambers. The outer rotor may be d...
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WO/2014/087052A1 |
Apparatus and method for transporting nanofibrillar cellulose in the form of viscous liquid dispersion. The nanofibrillar cellulose is unloaded from a container (3) through a discharge point (3b) which is the lowermost point with respect...
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WO/2014/031436A1 |
An electric submersible progressing cavity pump (ESPCP) assembly that restricts reverse rotation of the pump motor and provides for efficient motor shutdown in the event of reverse rotation is disclosed. When the ESPCP rotates in a rever...
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WO/2014/012191A1 |
Disclosed is an energy-saving start device of a submersible progressive cavity pump unit, the device consisting of a shell (22) and a rotor (21) rotating freely in the shell (22). The rotor (21) comprises a driving element (211) and a dr...
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WO/2014/000921A1 |
In a flexible container comprising a disposable pump (1) made of plastic, the disposable pump (1) has a pump housing (6), which has an inlet opening that communicates with the flexible container, and an outlet nozzle (7) that lies opposi...
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WO/2013/178939A1 |
The invention relates to a progressive cavity pump (6) comprising a casing (19), a helical stator (8) including a helical cylinder (10) and a helical rotor (7) capable of rotating inside said helical cylinder (10). The helical stator (8)...
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WO/2013/163987A1 |
The present invention relates to a rotary piston pump for conveying fluids and for conveying fluids containing solid materials. The rotary piston pump consists of a pump housing which is provided with an inlet and an outlet. The pump hou...
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WO/2013/159777A1 |
The invention concerns a system and a method for regulating the flow of a viscosity- dependent liquid in a graphic process, including a pump (5) configured for pumping a viscosity-dependent liquid (3) from a first container (4) and to a ...
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WO/2013/030025A2 |
A rotary displacement pump (2) according to the present invention is for pumping flowable viscous materials and comprises a liner (26, 36); a rotor (28) configured to be driven by a shaft (8); said rotor (28) including a shaft portion (3...
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WO/2012/097773A2 |
A mechanism for securing a drive unit for borehole pumps against torque is disclosed. The overload generated by the borehole pump and/or the drive unit can be entirely absorbed and/or neutralized by at least one securing element.
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WO/2012/034592A1 |
A rotary displacement pump of an undulatory disk type; with a pump housing (24) comprising a front end plate (56) and a rear end plate, the pump housing enclosing a stator (40, 48), a rotor (42), a scraper (44) and a scraper guide (46), ...
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WO/2011/159833A1 |
A modular symmetrical asphalt pumping system providing a series of field-configurable gear pumps and meters usable to safely and efficiently pump viscous molten fluids, such as, asphalt and similar bituminous materials. The system utiliz...
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WO/2011/133321A2 |
In one embodiment, a system includes a solid feed pump. The solid feed pump includes a housing, a rotor disposed in the housing, a curved passage disposed between the rotor and the housing, an inlet port coupled to the curved passage, an...
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