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WO/2000/023251A1 |
An extrusion method and an extruder, the material to be extruded being fed with a material feeding device (1) into a radial pump unit included in the equipment. The radial pump unit comprises conical gearwheels (2) which are adjacently p...
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WO/2000/020759A1 |
A gear pump exhibiting improved efficiency over a broader range of fluid viscosity and pump speed includes a compression zone defined between each of a pair of pump gears and internal walls of a gear chamber, wherein the compression zone...
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WO/2000/017523A1 |
The invention relates to a housing construction for accommodating and bearing a microsystem, e.g. a micropump (MP) for conveying a fluid. The aim of the invention is to improve the housing construction in such a way that it is no longer ...
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WO/2000/005504A1 |
The invention relates to a gear pump (2) for the steering aid of a motor vehicle, which is integrated into the housing (1) of the transmission unit and enclosed by both the damping chamber (4) and the suction chamber (5), which chambers ...
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WO/1999/049220A1 |
A screw dry vacuum pump, wherein a shaft part (15b) of the rotor is provided with timing gears (16, 19) meshing with each other and a locking mechanism (17) for fixing the timing gears (16, 19) to the shaft part (15b), the shaft part (15...
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WO/1999/045272A1 |
A positive displacement pump-motor for pumping flammable liquids comprises a pump (139), an explosion-proof motor (110), a filter (113), a cylone gas separator (115), and a sump (140), that has an additional gas separator, internal baffl...
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WO/1999/040324A1 |
Sealing system for roller bearing mountings of gear pump rotors and similar rotor shafts to provide protection against the medium to be pumped in pumps and mixers, in addition to other sealing elements for rotor shafts in the form of sea...
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WO/1998/053182A1 |
A pressure compensator (28) for a sub-sea pumping system (1) for pumping an effluent from a deep-sea wellhead comprising a topside module (3), a sub-sea module (5), and an umbilical connection (7) between the topside (3) and sub-sea modu...
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WO/1998/035135A1 |
Screw conveyor (1) for the transport of liquid substances and/or lumps of materials, comprising a first rotatable screw (2) provided with windings (3) disposed in a housing (5) with an inlet opening (6') and a discharge opening (11), sai...
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WO/1998/028542A1 |
The invention concerns an impeller for a liquid ring machine, said impeller comprising a plurality of blades which are connected to the impeller hub and to a support disc, the front face of the impeller hub and the rear face of the suppo...
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WO/1998/024722A2 |
A system for metering and dispensing single and plural component liquids and solids. The dispensing system maintains constant pressure between the output of the pump and the dispense head. The progressive cavity pump is formed from indiv...
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WO/1998/010193A1 |
The present invention pertains to a rotary piston regulating device (1) intended for measuring flowable or pourable material, either powdery or granulous. In a cylinder casing (4), a rotary piston is arranged so as to form, in the area o...
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WO/1998/002662A1 |
A method and apparatus for transporting a solution of cellulose in an amine oxide solvent using a gear pump (11) having a pump body (12) and a pair of meshing gear wheels (15, 16) mounted on shafts (17, 18) rotatable in bearings (21) fix...
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WO/1997/049916A1 |
The invention relates to a fuel supply pump for a fuel injection pump for internal combustion engines, with a driven pair of meshing pinions (7, 9) rotating in a pump chamber (3) which feed the fuel from a suction chamber (13) connected ...
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WO/1997/041354A1 |
The invention relates to a connection for the drive of a rotor (42), a bore delivery pump (10) and/or a borehead connected to a drive and having a bending rod (34) which produces, at the driving and the driven end, rigid connections with...
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WO/1997/040273A1 |
The stator, rotor and/or flex shaft of a progressive cavity pump is made up of composite materials, e.g., fiberglass and resin, in a variety of combinations with and without bonded resilient elastomers. The composites are formulated to p...
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WO/1997/022807A2 |
The invention relates to a vane pump (1) for conveying viscous substances, especially curable viscous substances, and consists of a housing (10) and a rotor (2) with a cylindrical guide body (22) having several radial guide grooves (221)...
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WO/1997/021055A1 |
A sub-sea pumping system (1) for pumping an effluent from a deep-sea wellhead (95) comprising a topside module (3), a sub-sea module (5), and an umbilical connection (7) between the topside and sub-sea modules (3, 5). The umbilical conne...
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WO/1997/011737A1 |
The invention concerns a device for actively supporting the flow of body fluids, said device comprising an artificial flow guide system (10) with an operating area in which a pump (1) is embedded such that it can convey blood from at lea...
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WO/1997/012147A1 |
The invention concerns a micropump (1) for the substantially continuous delivery of a mass flow, the micropump having a sleeve axis (101) and an offset axis of rotation (100). An internal rotor (20) meshes with an external rotor (30) in ...
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WO/1996/041080A1 |
A gear-type pump is placed in line with the conduit or tube (14) through which flows the fluid to be pumped. The pump body (12) is preferably manufactured using microfabrication techniques and is secured within the tube. The mechanism (2...
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WO/1996/037705A1 |
A bearing system with a bearing for a shaft (1) of a pump for conveying liquids of differing viscosity has at least one catchment or discharge region (11) at the rear of low pressure side of the bearing to catch liquid leaking along the ...
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WO/1995/030091A1 |
A motor/pump unit for pumping vapor in response to a flow of liquid, and particularly useful in systems (10) for dispensing fuel to a vehicle (PV) wherein vapor given off by the fuel is to be returned from the filling port (FP) of the ve...
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WO/1995/030090A1 |
Installation for pumping up liquids from the earth's crust, comprising: a screw pump lowered into the earth which is provided with a first screw member and a counter-screw member, drive means arranged on or close to the earth's surface f...
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WO/1995/024556A1 |
A first component of a fluid material is pressed out of a cartridge (C) which can be emplied by means of a press (P). The main component flows through a feeding line (8) to a discharge line (11), driving two rotors (31) mounted in the do...
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WO/1995/019488A1 |
A drilling motor (20) comprises a stator (21) and a rotor (23) rotatably mounted in a stator (21). The stator (21) is provided with two opposed rod recesses (75) and two opposed exhaust ports (33). In use motive fluid is pumped through a...
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WO/1995/006819A1 |
The invention relates to a vane-cell pump, especially for viscous media, e.g. concrete, consisting of a pump housing containing a rotor with radially movable vanes, a conveyor section for the medium between the inlet and outlet apertures...
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WO/1995/006188A1 |
Fluid transfer apparatus comprising a fluid reservoir (11) and a pump (16) connected to the reservoir by a supply line (12), wherein the apparatus is configured so that vapor generated in the pump during periods of inoperation may escape...
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WO/1994/027049A1 |
The invention relates to a pumping process for operating a multi-phase screw pump with at least one feed screw surrounded by a housing having at least one intake stub on one side and at least one discharge stub at its top, in which the i...
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WO/1994/021889A2 |
A first aspect of the invention provides a method of extracting fluid from a reservoir (7) of said fluid comprising the use of geothermal energy. Preferably, the method comprises the drilling of a well (1) into an area of geothermal ener...
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WO/1994/021920A1 |
The pump has in a bearing and sealing housing (21) an inlet space (28) and a drive shaft (23), which drives a rotor (55) and two eccentric guide plates (40.2) connected thereto. Slide rings (45.1, 45.2) are mounted in the latter in annul...
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WO/1993/006371A1 |
The invention concerns a swash pump designed for the transfer of sensitive, time-critical fluids in the food-technology or biotechnology field. All the spaces (11, 15, 16) with which the fluid being pumped comes in contact are included i...
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WO/1992/019835A1 |
In a hydraulically driven drilling motor for deep drilling with a motor housing (1) which can be coupled to a set of drilling rods (2) and comprises several displacement motors (5) arranged parallel and side by side with the flow passing...
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WO/1990/010155A1 |
A two-stage pumping apparatus (10) is provided with a pump housing (12) through which gross movement of material occurs generally from an infeed opening (14) to a discharge opening. A first stage non-positive displacement helical flight ...
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WO/1989/008798A1 |
A lobe pump is disclosed having improved "cleaning in place" characteristics enabling high sanitary standards to be obtained. Each rotor shaft (3) is sealed to the pump housing (5) by first and second sealing rings (34, 35), the first se...
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WO/1985/001327A1 |
A means for the handling of fluids contaminated by solid objects and/or being partly solidified comprises a displacement pump (10) of the screw type, as well as a cutter device (18) driven by the pump shaft. The cutter device comprises a...
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JP7369483B1 |
[assignment] Provided is a fluid supply device that can switch between a non-blocking state in which a high-viscosity fluid with a viscosity of 10 Pa·sec or more is discharged and a blocking state in which the discharge is stopped witho...
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JP2023134457A |
To provide a transfer device enabling stable transfer of a food material to be transferred by a pump device according to physical properties of the food material.In transfer devices (3, 5), a pump device (17) comprises a housing part (31...
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JP2023098167A |
To provide a gear pump for a rubber composition which can inhibit burn-in of a rubber composition on an inner peripheral surface of a bush ring, and to provide a rubber member formation device including the gear pump for the rubber compo...
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JP7304131B2 |
To provide a screw pump suitable for multistage.A screw pump 10A comprises an inner rotor part 1, and an outer rotor part 2 rotating together with the inner rotor part 1. The outer rotor part 2 has a multi-string outer rotor 20 comprisin...
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JP7300561B2 |
An object of the present invention is to provide a transfer device capable of stably transferring a food material transferred by a pump device in accordance with the physical properties of the food material. A transfer device (3,5), wher...
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JP7215790B1 |
A new dispenser that reduces wear of parts is provided. A dispenser (20) has a housing (28) having a piston (22), a columnar measuring chamber (24) filled with a liquid material containing particles, and a piston chamber (26) in which th...
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JP2022182126A |
To simultaneously solve a first problem when an elastic pad is formed of a high-hardness elastic material and a second problem when the elastic pad is formed of a low-hardness elastic material by a simple structure, in a concrete pump wh...
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JP2022180076A |
To provide a concrete pump which can suppress mutual interference between a pipe support for supporting an upstream side pipe portion or a rear side extension pipe part of a transfer pipe and accessory equipment for hopper even when the ...
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JP7158052B2 |
To provide a two-axis screw pump capable of deaerating even highly viscous fluid sufficiently, as well as preventing the viscous fluid to be transferred from being degenerated or component abrasion powder from being mixed.A two-axis scre...
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JP7081947B2 |
The invention relates to a pump (1) for dispensing semi-liquid food products, which comprises an inlet opening (6), an outlet opening (7), a dispensing path (P) between the inlet opening (6) and the outlet opening (7), a rotor (8) for pu...
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JP7071736B2 |
To provide a pump device capable of pumping a storage liquid in a container while suppressing generation of bubbles and denaturation of liquidity of the storage liquid and reducing cost required for heating the storage liquid.A pump devi...
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JP2020148163A |
To provide an inexpensive two-axis screw pump that can transfer even an object to be transferred with an extremely high viscosity smoothly, prevents the object to be transferred from being transformed, and has a simple configuration.A tw...
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JP6723701B2 |
A biomass cake pressure-feeding apparatus includes: a screw pump including a first screw with a helical first conveying thread, a second screw with a helical second conveying thread, and a casing accommodating the first screw and the sec...
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JP6693802B2 |
To provide a uniaxial eccentric screw pump capable of pressure sending a molten metal through a closed circuit, while securing quantitativity of molten metal supply for transferring the molten metal.In a uniaxial eccentric screw pump 60 ...
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