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WO/2021/070695A1 |
A liquid-injecting device (1) comprises: a first weighing unit (10a) comprising a first piston (12a) moving in a first weighing space (13a) in a first cylinder (11a); a second weighing unit (10b) comprising a second piston (12b) moving i...
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WO/2021/064233A1 |
The invention relates to a lifting system (1) for metering a fluid from a container (3), comprising a piston pump (5) comprising a piston (7) such that a fluid can be metered from the container (3) due to a deflection of the piston (7), ...
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WO/2020/252991A1 |
A pulsation-free metering pump, comprising a brushless motor (1), pump heads (2), and a transmission box assembly (3). The brushless motor (1) is drivingly connected to the transmission box assembly (3). The pump heads (2) are disposed o...
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WO/2020/248141A1 |
A circulating constant-flow constant-pressure metering pump device, comprising a closed kettle (1). The circulating constant-flow constant-pressure metering pump device further comprises a first piston pump (2), a second piston pump (3),...
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WO/2020/244965A1 |
The invention relates to a method for determining an amplitude A of a pump-induced fluid pressure fluctuation of a fluid which is regulated to a desired fluid pressure psoll by means of a pump. In this case, the method comprises providin...
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WO/2020/229758A1 |
The invention relates to a pump comprising a piston (1) which slides in a body (3) having a chamber (5) defined between an inlet valve (11) and an outlet valve (12), comprising an outlet valve element sliding during actuation in a sealed...
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WO/2020/229759A1 |
The invention relates to a method for assembling a fluid product dispensing pump, comprising the following steps: - providing a piston (1) secured to an actuation rod (2); - providing a pump body (3) having a pump chamber (5); - providin...
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WO/2020/212926A1 |
A urea synthesis reactor (2) is provided with a feeding system (10) for feeding the reactor (2) with ammonia, carbon dioxide and non-converted reactants recovered downstream of the reactor (2); the feeding system (10) comprises a turboch...
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WO/2020/172151A1 |
A method and apparatus use conductivity to control the dosing of various chemical additives used in the water treatment industry by modulating the chemical additives within threshold setpoints. Conductivity directly correlates to concent...
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WO/2020/169627A1 |
The present invention relates to a filling device for filling a defined quantity of a product, comprising: - a piston pump (3) for delivering the product to be filled from a reservoir (2) to a filling needle (5), - the piston pump (3) co...
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WO/2020/165928A2 |
A machine (10) to automatically dispense at least one fluid product, in particular a liquid dye, comprising support members configured to support one or more dispensing units (25) each having a tank (26), in which said fluid product to b...
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WO/2020/131009A1 |
In one example, a fluid delivery system (10) comprises a pump cavity (1) to receive a high-viscosity fluid, such that when full, the pump cavity (1) is to define a dose of high-viscosity fluid. The system (10) further comprises an access...
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WO/2020/115776A1 |
A pump for measuring out a fluid comprises a first and a second pumping chamber, which comprise an inlet valve and an outlet valve, respectively, moving between an opened configuration and a closed configuration; the pump further compris...
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WO/2020/097735A1 |
A pump assembly (1) for use with at least one fluid, and capable of dosing, mixing and/or metering. The pump assembly (1) includes a main casing (203). The pump assembly (1) also includes at least one primary pump (200), the at least one...
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WO/2020/078825A1 |
Disclosed is a pump comprising two pistons which are driven by a cam belonging to an external rotor and which are inserted into two cylinder blocks mounted parallel to each other in such a way as to form two opposite, parallel, eccentric...
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WO/2020/074862A1 |
The present invention relate to a reactor comprising (i) a first reagent release mechanism, (ii) a second reagent release mechanism, and (iii) a reaction area fluid pathway, wherein the reaction area fluid pathway comprises a pathway ext...
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WO/2020/069906A1 |
Method for adjusting the volumetric flow ratio of at least two different fluids (F1, F2) with a control-device. The control-device comprises a first chamber with a chamber-volume (VC1) for the first fluid (F1) and an inlet-element and an...
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WO/2020/063033A1 |
A linear cleaning peristaltic metering pump, comprising a pump body (4), a hose fixing accessory (5) and an anti-backflow accessory (6). The hose fixing accessory (5) is used for installing a working hose (3); the anti-backflow accessory...
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WO/2020/052978A1 |
The invention relates to a combination metering assembly for filling liquid products into containers. The invention is characterized by a base unit (1) and pump components (3, 4, 5, 6, 11, 12, 13, 14) of at least two different pump types...
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WO/2020/045553A1 |
A fluid supply system (1) comprises a centrifugal pump (2), and a priming pump (4) that is directly connected to the centrifugal pump (2) and provided downstream from the centrifugal pump (2), the priming pump (4) discharging less fluid ...
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WO/2020/044100A1 |
A pump (10) includes a head (11) having an opening (15) and an injection port (14). The head is for holding content (21) to be forced through the injection port. A bladder (22) is within the head. The bladder is between the content and t...
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WO/2020/005867A1 |
A system includes a peristaltic pump and a pouch. The pouch includes a reservoir section and a channel section. The reservoir section and the channel section are formed from at least one continuous sheet. The at least one continuous shee...
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WO/2019/211782A1 |
A peristaltic type pumping device, wherein a fluid is pushed along an elastically deformably tube, has a compact and particularly robust shape, and it comprises: a deformable tube tract (12) and a seat (6) which receives it extending for...
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WO/2019/202029A1 |
In the system for compressing and transferring liquefied fuel into the gaseous phase, which is stored in a pressure container, the pressure container is connected to a cylinder of a first piston compressor via a first line and a first va...
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WO/2019/188184A1 |
When a pipe pressure P_L of a common discharge pipe (36) during an independent discharge step in which only one reciprocating pump among a plurality of reciprocating pumps (20, 40) discharges a fluid to the common discharge pipe (36) dif...
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WO/2019/175853A1 |
The dosing device (1) comprises a single screw pump (2) provided with: - a pump body (3) extending along a substantially longitudinal direction of extension and having an inlet opening (4) and an outlet opening (5) for the inlet and outl...
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WO/2019/167011A1 |
The invention relates to a liquid chromatography fluid supply device (150) for providing a mixture of several different fluids as a mobile phase for a liquid chromatography sample separation device (10), wherein the fluid supply device (...
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WO/2019/166955A1 |
Vibration pump comprising: a core (2) at least partially made of ferromagnetic material; a solenoid (4) for actuating the core (2); a cylinder (6) comprising a work chamber (7) in which the core (2) can slide; an inlet duct (8) and an ou...
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WO/2019/166207A1 |
The invention relates to a device for providing fluids under a specifiable pressure for the pressure supply of a consumer, such as a working unit (1) of an SCR (selective catalytic reduction) system for treating the exhaust gas of intern...
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WO/2019/159213A1 |
Positive displacement pump, comprising at least a cylinder (11), provided with at least an entrance aperture (14) and at least an exit aperture (15) for the liquid and a plunger (12), mobile inside the cylinder (11) by means of a first a...
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WO/2019/151062A1 |
Provided is a liquid chromatograph in which a solvent can be quickly replaced in a liquid delivery pump. The liquid chromatograph is provided with a liquid delivery pump 1 that takes in and discharges a solvent, and the liquid delivery p...
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WO/2019/038457A1 |
The present invention relates to a liquid metering device (1) for metering pumps, formed by a main longitudinal conduit (2) with first and second opposite ends (2.1, 2.2) comprising: a fluid inlet (3) at the first end (2.1), disposed per...
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WO/2019/033471A1 |
A pump with a built-in photosensitive metering device, comprising an upper pump body (1) and a lower pump body (2); the upper pump body (1) and the lower pump body (2) respectively have an upper cavity (11) and a lower cavity (21), the l...
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WO/2019/033470A1 |
A pump having a built-in vibration induction measurement device, comprising an upper pump body (1) and a lower pump body (2). The upper pump body (1) and the lower pump body (2) are provided with an upper cavity (11) and a lower cavity (...
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WO/2019/027438A1 |
Examples of vacuum operated pumps are described herein. In an example, a vacuum operated pump includes a plurality of fluid ports, such as an inlet port and an outlet port. The vacuum operated pump may also include a communication port a...
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WO/2019/021475A1 |
This liquid feeding device is provided with an ejection flow passage, a pump part, a liquid feeding pressure sensor, a non-ejection time pressure sensor, a precompression unit, and a precompression-speed determination unit. The pump part...
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WO/2019/020063A1 |
Disclosed is a liquid pumping device, comprising a first component (21), a second component (22) and a third component (8), wherein the second component moves relative to the first component in a fixed manner; a medium inlet (12) and a m...
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WO/2019/008617A1 |
A liquid feed device comprising: a primary-side plunger pump; a secondary-side plunger pump connected in series to the primary-side plunger pump downstream the primary-side plunger pump; a check valve provided between an outlet of the pr...
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WO/2018/192642A1 |
The present disclosure provides a method and system for delivering a high- viscosity fluid 300. In an example, a reciprocating a piston pumps a high-viscosity fluid 300 through a one-way check valve 130 into a pump chamber 125. Responsiv...
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WO/2018/191423A1 |
A fluid treatment system, for example a membrane filtration system, utilizing means to mechanically vary fluid recovery and energy recovery to optimize fluid production for a given energy input, based on the total dissolved solids concen...
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WO/2018/152263A1 |
A pipetting device includes a housing, a valve assembly, and an actuator assembly. The housing includes a tip for receiving a capillary tube. The valve assembly includes a shuttle valve having a filling position and a dispensing position...
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WO/2018/141235A1 |
The invention provides a novel constant-pressure constant-speed pump. The novel constant-pressure constant-speed pump comprises at least one set of pressurizing assemblies, a drive assembly connected with the pressurizing assemblies, and...
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WO/2018/137321A1 |
The present invention relates to the technical field of preparation of a polyurethane foam material. Provided are a metering device (12) and method for measuring a flow amount of carbon dioxide. The metering device (12) has a simple stru...
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WO/2018/134375A1 |
Method to use and control a device for filling containers with predefined quantities of fluid (11) delivered discretely into each container by means of a peristaltic pump (10) selectively activated to perform a cycle of filling a contain...
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WO/2018/136211A1 |
The invention relates to a device (1) for withdrawing a liquid contained in a container (B), such as a can, through a mouth (G) of the container, comprising: - a flexible pipe (10), - a cannula (11) intended to be submerged in the liquid...
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WO/2018/127383A1 |
The invention relates to a device (10) for pumping viscous material out of a container, comprising a delivery pump (16) which has a delivery cylinder (20) and a delivery piston that can be moved back and forth in the delivery cylinder (2...
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WO/2018/114727A1 |
The invention relates to a displacement pump (1) for pumping medical liquids, having a pump chamber (5) and a displacement element (15), and to a blood treatment device comprising a displacement pump (1). The invention additionally relat...
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WO/2018/112114A1 |
An apparatus for mixing a first fluid into a flow path of a second fluid, the apparatus comprising: a chamber enclosing the flow path, the chamber including a second fluid first inlet for receiving its respective fluid. The apparatus als...
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WO/2018/112115A1 |
A valve comprising a valve spindle housing located in the side of the chamber and including a first fluid inlet and a first fluid outlet, and a cylinder open along a portion of a longitudinal axis of the cylinder and rotatably mounted in...
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WO/2018/099597A1 |
The invention relates to a device for use in a machine for preparing at least one liquid for human consumption, the device comprising a hydraulic manifold which interacts with a metering unit that can be coupled at one end to a hydraulic...
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