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WO/2015/183775A1 |
Exemplary two chamber foam pumps, refill units and dispensers utilizing the same are disclosed herein. An exemplary refill unit includes an inverted container having a neck located at the bottom of the container and a foam pump secured n...
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WO/2015/184056A1 |
Backlash in a precision system such as a pumping system can be reduced or eliminated with an anti-backlash device that has a first nut coupled to and fixed in relation to a piston. The first nut and a second nut may engage with a lead sc...
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WO/2015/170238A1 |
The invention relates to a device (1) for monitoring the operation of a dosage dispenser (2) which comprises a suction pipe (5) suitable for being plunged into the liquid additive (3) contained in a container (6), the monitoring device c...
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WO/2015/150908A1 |
Fluid pump (20) for pumping fluid in a sample separation unit (10), wherein the fluid pump (20) has a piston as first coupling body (202) which is arranged in a piston chamber (210) such that it can perform a reciprocating action for del...
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WO/2015/132645A1 |
The invention relates to a pump preferably comprising two pistons which are parallel and in opposition and are disposed in two, preferably cylindrical, cavities in a pump body, comprising at least one inlet port and at least one outlet p...
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WO/2015/127951A1 |
The invention proposes a piston pump (1) for delivering a reducing agent for the exhaust-gas aftertreatment of an internal combustion engine (5), the piston pump having at least one cylinder (7) which delimits a delivery chamber (9) of t...
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WO/2015/124375A1 |
The invention relates to a pump, in particular a high-pressure fuel pump (1) of a common-rail injection system, comprising a pump cylinder head (14) having a pump cylinder and comprising a pump push rod (10) that can be moved translation...
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WO2015120763A1 |
Disclosed are a method and device for injecting paste both in large amounts and in trace amounts by an automatic dispenser. The method comprises the following steps: (1) communicating channel A with channel B and injecting pigment paste ...
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WO/2015/109764A1 |
An electromagnetic metering pump, comprising an electromagnetic coil (1), a regulating screw (2), a spring (3), an urging rod (4), a connecting rod (5), a ceramic cylinder (6), a locknut (7), a belt cavity film (8), a liquid inlet channe...
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WO/2015/104654A1 |
The invention relates to a static mixer (M) for homogenising a mixture of at least two liquids, especially after injection of an auxiliary liquid (L1) into a main liquid (L), comprising: a closed container (1), with an inflow conduit (3)...
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WO/2015/105716A2 |
A dispensing pump (10) for liquids, viscous materials, foams, gels, etc. includes a resilient plastic skirt spring (18) so that the entire pump can be more easily recycled. The dispensing pump (10) includes a base portion (12), an inlet ...
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WO/2015/066355A1 |
A pump includes a check valve cartridge removably mounted to the pump. The cartridge includes an inlet check valve and a discharge check valve. A connector mounts intermediate the inlet check valve and the discharge check valve. The inle...
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WO/2015/063668A1 |
A diaphragm (M) pump comprising a body (1) comprising a suction connection (2) and a discharge connection (3), a suction valve (4) and a discharge valve (5); a control chamber (6) in which the diaphragm (M) is disposed, and a working cha...
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WO/2015/052004A1 |
The invention relates to a rotary piston pump for one-time use made of plastic for screwing onto a fastening nozzle on a tubular bag, having two rotors (10), which are coupled to each other via gear wheels (11) and which can be driven in...
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WO/2015/054144A1 |
An in ovo injection apparatus is provided. Such an in ovo injection apparatus includes an injection assembly having a plurality of injection devices, each injection device being configured to pierce a respective avian egg. A selectable p...
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WO/2015/049021A1 |
A delivery device, with a delivery piston (27) which is movable in a pump chamber (31) by means of an actuation device (3) and which, in one delivery direction, removes fluid from a fluid line (35) in a pressure-reducing manner and, in a...
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WO/2015/049004A1 |
The device comprises a chamber (1) provided with an inlet (2) and an outlet (3); a piston (4) inside the chamber (1), the movement of which causes the exit of said substance; and a motor (5) with an output shaft (6) that drives the motio...
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WO/2015/044126A1 |
A device for metered delivery of a liquid or viscous substance comprising a casing (1), a reciprocating differential piston able to slide in said casing, a metering chamber (16) and at least one outlet (13) for media delivery, the volume...
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WO/2015/035006A2 |
A variable output pump assembly includes an input drive member and a primary pump member operatively driven thereby. A second drive member supplements the pump assembly. A magnetic coupling is interposed between the input drive member an...
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WO/2015/022714A1 |
A batching/delivering system (101) is described, in particular for delivering and batching high viscosity products, comprising at least one managing and actuating device (103), the managing and actuating device (103) comprising at least ...
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WO/2015/019258A1 |
Self-calibrating return spring pump (300; 400), in particular self-calibrating return spring dosing pump, configured to carry out a volume pumping of a fluid (190) in a variable-volume front chamber (180), the self-calibrating pump (300;...
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WO/2015/015204A1 |
Apparatus is described which comprises at least one reactor (2), at least one linear piston pump (3), the or each piston pump including a tube (6), a piston (8) and an arm (9) coupled to the piston, the or each piston pump arranged to in...
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WO/2015/011353A1 |
The invention relates to a rotary swinging subassembly (1) for volumetrically pumping a fluid, wherein said subassembly comprises a hollow body (2) through which pipes (CPi, CDi) pass, a piston (4) accommodated in said cavity (25) defini...
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WO/2015/011352A1 |
The inventive rotary-wave sub-assembly (1) for pumping a fluid comprises a hollow body (2) provided with two conduits (11,12), a piston (3) defining, with the body (2), a work chamber (31) angularly movable between two fluid configuratio...
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WO/2015/011369A1 |
The present invention relates to a multiphase pumping device comprising: a pump (110) capable of pumping a pumping fluid; a recirculation circuit (160); and a separating tank (115). The separating tank is connected to an area downstream ...
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WO/2014/209128A1 |
A metering pump (1) including at least a first piston (4) and a second piston (6) which are displaceable in a first cylinder bore (10) and in a second cylinder bore (12), respectively, the at least two pistons (4, 6) having a common driv...
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WO/2014/207513A1 |
Disclosed is a pumping apparatus (200) configured for delivering a fluid. The pumping apparatus (200) comprises a pumping chamber (220) configured for receiving one or more fluids (310, 320) in defined proportions and for further deliver...
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WO/2014/195312A1 |
The invention relates to a metering pump having a hydraulic drive mechanism (12) for making a pressurized hydraulic fluid available. The metering pump further comprises a housing (2), a reciprocating piston (3) which is accommodated in t...
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WO/2014/195305A1 |
The present invention relates to an arrangement for measuring a delivery volume and/or a delivery rate, comprising an intermittently operating pump (1); at least one outlet line (3) and/or an inlet line (2, 2-1, 2-2); and a passive valve...
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WO/2014/161700A1 |
The invention relates to a disposable metering pump made of plastic for products having solid fractions. Said disposable metering pump has two rotors (10) which are coupled to each other by means of gears (11), can be driven in opposite ...
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WO/2014/147465A1 |
A dispensing apparatus for dispensing a pressurised fluid product (5) has a supply part (2) for supplying the pressurised fluid product, a depositor part (3) selectively to adopt an open state for fluid communication with the supply part...
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WO/2014/141196A1 |
The present disclosure provides a method of dispensing liquid, and a liquid dispensing device. The method and device include a controller having a multi-phase droplet ejection cycle stored thereon. The multiphase droplet ejection cycle d...
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WO/2014/125216A1 |
Pump for dispensing a fluid product, comprising a piston (1) secured to an actuating rod (2) and sliding in a pump body (3) comprising a pump chamber defined between an inlet valve (11) and an outlet valve (12), said outlet valve (12) co...
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WO/2014/111770A1 |
Metering device for introducing a liquid additive into a stream of main liquid flowing along a pipe, comprising a pump (3) having a reciprocating differential piston for withdrawing the additive (A) from a container (2) and metering it, ...
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WO/2014/063853A1 |
The invention relates to a valve assembly (22, 76) for a conveying device for metering an operating/auxiliary material into an exhaust gas tract of an internal combustion engine. The valve assembly (22, 76) comprises a valve on the intak...
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WO/2014/063859A1 |
Housing sub-assembly for a pump assembly (230) for use in a selective catalytic reduction system, the housing sub-assembly comprising: a main body (232) having a pump axis (A), the main body comprising a pumping zone cavity (248) having ...
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WO/2014/053711A1 |
The invention concerns a fixing system designed to mechanically connect a dosing pump to a support, said system comprising a lateral stop (9) designed to be mounted on the support and having an inner face (9A) and an outer face (9B), sai...
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WO/2014/035938A1 |
A diaphragm metering pump includes a pump body having a head portion including a suction side and a discharge side defining a flow path. A valve seat is arranged at one of the suction side and the discharge side, and a check valve is arr...
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WO/2014/029301A1 |
A dosing system for delivering reductant to an exhaust gas treatment system of an internal combustion engine using air driven hydraulic pumps for closed-loop controlling reductant pressure and a two-stage PWM control method for controlli...
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WO/2014/026267A1 |
Electronically controlled linear pump drive actuator for operating a dispensing pump comprising: - a servo motor unit that has: - a stator with a central hollow cavity; - a rotor extending coaxially in the hollow cavity of the stator wit...
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WO/2014/016388A1 |
The present invention relates to a metering system for metering a fluid metered medium, with a suction line that is filled with a metered medium at fluid pressure ps, and a pressure line that is filled with the metered medium at fluid pr...
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WO/2013/149750A1 |
The invention relates to a metering pump (1) made of plastic, with two rotors (10) coupled to one another via gears (11) and drivable in opposite directions, which are seated in a pump housing (5) equipped with suction ports (6) and outl...
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WO/2013/139630A1 |
The invention relates to a piston pump for pumping a fluid, comprising at least two cylinders (14; 15) each having a piston (22; 22'), which can be moved inside the associated cylinder (14; 15) along the longitudinal axis of the cylinder...
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WO/2013/139408A1 |
The invention relates to a device for supplying and metering a fluid for medicinal purposes, comprising at least one pump for conveying the fluid and at least one component (10; 40) through which the fluid is conveyed. The component (10;...
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WO/2013/139629A1 |
The invention relates to a piston pump (10) for pumping a fluid, comprising at least one cylinder (11; 11') having a piston (16; 16'), which piston can be moved inside the cylinder (11; 11') along the longitudinal axis of the cylinder (1...
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WO/2013/135681A1 |
The present invention relates to a displacement pump comprising a delivery chamber, which is connected to a pressure connection and a suction connection, a displacement element determining the volume of the delivery chamber, said element...
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WO/2013/088487A1 |
[Problem] To prevent corrosion and etching of wall surfaces of a pump head and to prevent deterioration in the sealing performance of a plunger seal. [Solution] A recess (8d) into which a projection (10a) of a plunger seal (10) is to be ...
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WO/2013/053257A1 |
A wind energy collection device and a wind power generation system thereof comprise a cylindrical or truss-type tower body (1) erected on the ground. Two water pumps (2) operating independently are mounted back to back at the top of the ...
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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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