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WO/2013/029999A1 |
A dosing unit (1) for an infusion pump device comprises a piston pump with a pump cylinder (2), a plunger (3) arranged within said cylinder, and a plunger driving part (4) provided for transmitting rotational torque from a driving unit t...
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WO/2013/030000A1 |
A dosing unit (1) for an infusion pump device comprises a piston pump with a pump cylinder (2) and a plunger (3) arranged within said cylinder, coaxially arranged along a longitudinal axis (20). The plunger has a shaft (32) with a thread...
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WO/2013/013725A1 |
A diaphragm pump (10), in particular for use as a detergent dosage pump, comprises a pump housing (12) with at least a first check valve (14) and a second check valve (16), a fluid chamber (18), a diaphragm (20) defining a wall of the fl...
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WO/2013/010638A1 |
The invention relates to a metering pump, the object of which is to enable simple fluid metering, to have an extended service life and to be of compact construction. Said metering pump is characterised in that the piston rod (12) is in o...
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WO/2013/009297A1 |
A pump can include two pistons, each piston having one side exposed to a support pressure and another side exposed to a respective annular chamber, the chambers being pressurized greater than the support pressure. Fluid can be discharged...
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WO/2013/007166A1 |
Disclosed in the present invention are a bi-component linked plunger pump and an on-site emulsive explosive mixing device comprising the same. The bi-component linked plunger pump comprises a power installation (1), a primary material cy...
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WO/2012/174754A1 |
A dosing pump device comprises a liquid storage container (1) having a first chamber (13), a dosing container (2) having a dosing chamber (24), a delivery groove (31), and a pump structure (4) comprising a pump structure chamber (34) and...
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WO/2012/165326A1 |
Provided is a flow rate control method for a pump (10) that is driven by a drive system having a sliding part and conveys liquid, wherein, in an early stage of operation of the pump (10), the flow rate is held at a small first flow rate ...
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WO/2012/140346A1 |
The invention relates to a pumping device comprising a working chamber and a piston provided to slide in said working chamber so as to vary the useful volume of the chamber during pumping, comprising anti-rotation means for the piston. A...
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WO/2012/126544A1 |
The invention relates to a metering system for metering a liquid, comprising an electric motor (32) for setting the desired dose by changing the speed of the electric motor. Furthermore, the system comprises an eccentric drive (52, 56) f...
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WO/2012/122977A1 |
The invention relates to a piston-cylinder unit for a piston pump, in particular for high performance liquid chromatography, comprising at least one cylinder-piston unit (100) in order to discharge a liquid medium from a cylinder volume ...
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WO/2012/105091A1 |
A liquid supplying device (10) comprises a liquid supplying pump (20) for supplying liquid to a battery container kept under a negative pressure atmosphere. The liquid supplying pump (20) comprises a pump chamber (28) which is in flow co...
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WO/2012/101230A1 |
SCR system comprising a metering pump and a pressure regulator.
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WO/2012/069594A1 |
Positive-displacement liquid pump (1) comprising: - a cylinder (24) - an inlet valve (42) for admitting liquid to said cylinder (24) - an exhaust valve (43) for expelling liquid from said cylinder (24) - a piston (52) operated by a trans...
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WO/2012/063184A1 |
Proportional dosimeter comprising a metering body with a main liquid inlet (2) and an outlet (3), a hydraulic motor (4) housed in the body, actuated by the main liquid, and connected to a plunger piston (5) that moves in a first chamber ...
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WO/2012/047278A2 |
A fill port assembly for coupling accessories to a feed pump system comprises a feed hose, a mounting plate and a quick-connect adapter. The feed hose has an inlet end for connecting to a feed pump manifold, and an outlet end. The mounti...
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WO/2012/046162A1 |
The invention relates to a liquid metering pump comprising an intake nozzle (2) provided with an intake valve (3) communicating with a working chamber (4) in which a piston (5) can be moved in an alternating translation movement, suction...
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WO/2012/038637A1 |
The invention relates to a method for compressing at least two gas streams by means of a single compressor that does not support a fluctuation in flow rate and/or pressure above a critical percentage, said method being characterized in t...
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WO/2012/023987A2 |
A method for synchronizing pistons within linear pumps of a variable dispense ratio system comprises operating first and second pistons, controlling the first and second pistons, and reversing direction of one of the first and second pis...
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WO/2012/014741A1 |
A pump controller controls a first plunger pump and a second plunger pump connected in series or in parallel in a manner such that the plunger pumps alternately perform an inhalation and compression movement at a roughly constant cycle. ...
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WO/2012/003976A2 |
The invention relates to a dosing pump unit having a dosing chamber (6) and having a displacement body (8) which can be moved linearly by means of a connecting rod (10), wherein a helical spring (20) designed as a compression spring (20)...
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WO/2011/156556A2 |
A piezoelectric foaming pump is provided herein. The piezoelectric foaming pump includes a housing having a first opening for receiving a liquid from a liquid container and a piezoelectric element secured to the housing. The piezoelectri...
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WO/2011/150099A2 |
A hydraulically driven reciprocating pump. In some embodiments, the pump includes a housing including a hydraulic chamber, a cylinder coupled to the housing, a piston assembly adapted for reciprocal motion within the housing and the cyli...
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WO/2011/114365A1 |
A device for controlling the stroke of a piston 3 of a metering pump comprising an electromagnet 1 formed by a fixed part and a mobile part fixed with respect to said piston 3 in such a way that at each displacement of the piston there c...
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WO/2011/113469A2 |
The invention relates to a metering pump (1) comprising a base part (2), a drive shaft (11) that can be rotated relative to the base part (2), a pivoting part (9) that can be pivoted relative to the base part (2), a cylinder (3) with a c...
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WO/2011/102937A1 |
A pump has a PVC "T" shaped member having an inlet, an outlet and an interior pumping chamber positioned between the inlet and outlet; a piston displaceable into the chamber; an air cylinder for driving the piston into the chamber; a spr...
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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...
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WO/2011/049330A2 |
The present invention is a bubble-generating pump which discharges various types of soaps in a bubbled state in lieu of a solid soap or a liquid shampoo in the home or in a public bathroom, to thereby prevent the waste of soap and enable...
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WO/2011/047882A1 |
In order to provide a simple and installation-friendly design of an setting unit of a dispenser (10) for dispensing a substance consisting of at least two components from at least two containers, each having a pump unit (12a, 12b), by me...
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WO/2011/032855A1 |
The invention relates to an output system (100) for extraction and/or output of a plurality of masses (220), comprising a cylinder unit (300) consisting of at least two double-acting cylinders (301, 304) each having a piston (303) that c...
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WO/2011/013285A1 |
It makes it possible to correctly determine whether a change in the pressure or flow rate is caused by normal opening and closing operations of a check valve, to monitor in real time whether an operation of a check valve is normal or abn...
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WO/2011/013162A1 |
A plunger type metering pump is configured such that a pump head (9) is correctly mounted to a pump body (1) in a reduced time. A plunger type metering pump comprises a pump body (1) for reciprocatably supporting a plunger (2), a circula...
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WO/2011/008715A2 |
A pump includes a pump body defining a fluid chamber and inlet and outlet ports in fluid communication with the fluid chamber, an inlet check valve connected to the inlet port, an outlet check valve connected to the outlet port, and a pi...
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WO/2010/132372A2 |
In one embodiment of the disclosure, a dish insert may be installed in a pump head such that the dish insert may be removed from the reagent head side of the pump head. Port holes permit movement of hydraulic fluid through the dish inser...
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WO/2010/130853A1 |
The invention relates to a dual-effect volumetric pump, for the provision of a continuous flow of liquid product of variable viscosity with a predefined content of particles in suspension. The pump comprises a working cylinder with a hyd...
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WO2010110001A1 |
Disclosed is a syringe drive unit (1) wherein, when a plunger is pushed in a syringe body using a feed screw mechanism, a plunger pressing member (6) can be moved an extremely short distance to discharge a medicinal solution from the syr...
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WO/2010/082201A1 |
A dosing pump comprises an inlet for a solvent, an injection device for an additive, a reciprocating main piston for mixing the solvent with the additive during a suction stroke and for discharging the mixture from an outlet in an evacua...
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WO/2010/076243A1 |
The present invention relates to a pump arrangement comprising two pump units, each pump unit comprising a pumping cylinder, a reciprocally movable pumping piston, said pumping piston delimiting a pumping chamber in the pumping cylinder ...
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WO/2010/076447A1 |
The invention relates to an adjustable pistol positive-displacement pump (1) including a gripping handle butt (2) and a barrel (5) including at least one pump tank (6), a piston (9) mounted so as to axially slide within the tank, and a m...
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WO/2010/015472A1 |
The invention relates to a pump (100) for conveying a fluid, having a predetermined output, comprising at least one first (110) and one second (120) pump unit. An inlet valve (116; 126) for controlling the fluid flow to a respective cyli...
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WO/2010/015279A1 |
A solvent supply system for supplying a composite solvent is described. The solvent supply system comprises a first supply flow path with a first pump unit, the first supply flow path being adapted for supplying a flow of a first solvent...
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WO/2010/015743A1 |
The present invention relates to an axial-flow motorized pump, comprising a free piston (3) configured to supply a dose of water into a supply duct (40) integrated into a cylinder block (4) and connected to a water outlet (5), characteri...
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WO/2009/132494A1 |
A metering pump includes a pump sleeve (3) and a pump body (2) slidably mounted in the pump sleeve (3), a plunger (1) is arranged in the chamber of the pump body (2), a flow guiding hole communicated with the chamber is provided in the s...
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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...
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WO/2009/076429A2 |
The continuous fluid delivery systems includes a fluid pumping device comprising a pump housing comprising a base member with a plurality of inlet ports and at least one outlet port and at least two pairs of opposing pistons movably asso...
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WO/2009/073734A2 |
A device for metering fluids comprising a fluid chamber with one inlet or outlet port, at least one sidewall and a movable separator that is in contact with and separates the fluid in the chamber from the other components of the device, ...
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WO/2009/071643A2 |
The present invention relates to a device (1) for use in treating cigarettes with a tar and nicotine barrier- forming fluid comprising a housing (2) adapted to receive a cartridge (6) having stored therein a tar and nicotine barrier-form...
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WO/2008/028294A9 |
A concentrated flavour dispensing machine having displacement pumps for delivering between a fraction of a millilitre and a few ounces of fluids having a viscosity value between 1 to 4000 centepoise is described. The dispensing machine i...
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WO/2009/036363A2 |
A precision pumping system is disclosed. The pumping system includes an electric motor assembly powering a first drive shaft driving a first pump at a first flow rate and powering a second drive shaft driving a second pump at a second fl...
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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 ...
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