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Matches 1 - 50 out of 1,259

Document Document Title
WO/2018/125788A1
This disclosure describes various implementations of a downhole-blower system that can be used to boost production in a wellbore. The downhole-blower system includes a blower and an electric machine coupled to the blower that can be depl...  
WO/2018/125780A1
This disclosure describes various implementations of a downhole-blower system that can be used to boost production in a wellbore. The downhole-blower system includes a blower and an electric machine coupled to the blower that can be depl...  
WO/2018/091009A1
The invention relates to a borehole pump (1) comprising an eccentric screw pump (2) with at least one stator (3) and at least one rotor (4). The eccentric screw pump (2) has, in its upper end region (5), in each case an upper sealing arr...  
WO/2018/084633A1
The present invention provides a gear pump wherein intermeshing driving and driven gears are disposed in a housing, and oil introduced through a suction port is discharged through a discharge port by rotation of the driving and driven ge...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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.  
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...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
WO/2014/105486A3
A downhole submersible pumping system includes an adapter for use in connecting a first component to a second component within the downhole pumping system. The adapter preferably includes an upstream section configured for connection to ...  
WO/2014/094715A4
The invention relates to an adaptive eccentric screw pump (2), which enables, if necessary, an increase of the output, the pressure and/or the simultaneous output of more than one output medium, and wherein the eccentric screw pump (2) h...  
WO/2014/094715A3
The invention relates to an adaptive eccentric screw pump (2), which enables, if necessary, an increase of the output, the pressure and/or the simultaneous output of more than one output medium, and wherein the eccentric screw pump (2) h...  
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...  
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...  
WO/2014/025835A3
The invention relates to system and method for desanding an oil well that includes a fluidizing device (TORE), connected to a downhole pump that connects to a production tubing such that a supply duct is connected to the discharge of the...  
WO/2014/019687A3
The invention concerns a method and an apparatus for operating a multi-phase pump which has a suction-side inlet (10) and a discharge-side outlet (20) and which pumps a multi-phase mixture charged with solids, comprising the following st...  
WO/2014/019687A8
The invention concerns a method and an apparatus for operating a multi-phase pump which has a suction-side inlet (10) and a discharge-side outlet (20) and which pumps a multi-phase mixture charged with solids, comprising the following st...  

Matches 1 - 50 out of 1,259