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WO/2013/061022A1 |
A peristaltic pump comprising a drive unit (1) and a pumphead (2) comprising a pressing element (48). The pumphead (2) is connectable to the drive unit (1) such that, when connected, the pressing element (48) is driveable by the drive un...
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WO/2013/057109A1 |
A peristaltic pump (1) for pumping a liquid comprises a flexible tube (2) for guiding the liquid to be pumped, a compression means (5) being actuatable for compressing the flexible tube (2), an upstream valve means (3) arranged in an ups...
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WO/2013/057178A1 |
The invention relates to a method for operating a feed pump (1), which operates in a pulsating fashion, in a feed unit (2) for feeding a liquid operating substance (3) for a motor vehicle (4) with a feeding direction (5). The feed pump (...
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WO/2013/055893A2 |
A refill unit for a foam dispenser including a liquid container and a diaphragm foam pump connected to the liquid container and diaphragm foam pumps. The diaphragm foam pump includes an elastomeric diaphragm having an air piston bore and...
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WO/2013/054801A1 |
Provided are a fluid-control device capable of adjusting the natural frequency of a flexible plate to an optimal value, and a method for adjusting the fluid-control device. In a pressing step, a piezoelectric pump (101) is placed on a st...
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WO/2013/053982A1 |
This invention concerns peristaltic pumps and an adjustment mechanism for adjusting a compression force imposed on a hose. The adjustment mechanism comprises at least a gear unit and a counterpart for the gear unit. The counterpart is op...
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WO/2013/046330A1 |
A microdiaphragm pump which has a diaphragm chamber that makes contact with one side of an intake valve and a discharge valve, and which is equipped with: two valve plate sheets (12), which are stacked facing each other and reversed with...
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WO/2013/040874A1 |
A liquid flow output method, a phase change power device, and a constant flow pump. The present invention uses fixed volume changes of some phase change materials that occur in the phase change process from solid to liquid. Through pre-c...
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WO/2013/041702A1 |
A peristaltic pump comprises a tube (2) for transporting a material, wherein the tube (2) is arranged linearly along a longitudinal axis (3). The peristaltic pump further comprises a pump head (9) for causing a squeezing of the tube (2),...
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WO/2013/041701A1 |
A peristaltic pump (1 ) comprises a tube (2) to transport a material in a transport direction (4) and a conveying screw (3), which is configured to cause a transport of the material by causing a successive squeezing of the tube (2) along...
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WO/2013/044195A2 |
One or more electroactive polymer (EAP) strips (20, 54) are circumferentially or lengthwise embedded or mounted around the fluid passage member (20, 52). The EAP strips are configured to function as a pump when a prescribed electrical ch...
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WO/2013/043322A1 |
A peristaltic pump assembly comprises a pump and a removable cassette. The pump includes a pumping mechanism portion having opposed inner and outer walls defining a slot opening therebetween, and further having a cassette mounting pin ex...
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WO/2013/041092A2 |
The invention relates to a peristaltic pump comprising at least one tube and one or more occluding means for continually occluding the tube in the direction of travel of a fluid. A contact surface of the tube rests on a casing, and the c...
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WO/2013/043300A1 |
A dual-cavity pump having a pump body with a substantially elliptical shape including a cylindrical wall (11) closed at each end by end plates (12,13) is disclosed. The pump (10) further comprises a pair of disc-shaped interior plates (1...
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WO/2013/041703A1 |
A peristaltic pump (1) comprises a tube (2) to transport a material in a transport direction (4) and one or more piezoelements (3), which are configured to cause a squeezing of the tube (2). Furthermore, a method of transporting material...
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WO/2013/041700A1 |
The pump is provided with mobile mechanical parts and comprises a tank (1) with a fluid dispensing sleeve (3) which remains fully open, but whereof the inner capillary is too narrow for fluid to be dispensed therethrough when idle. A res...
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WO/2013/037580A1 |
The invention relates to a pump device (100) for delivering a fluid (2) through a fluid line (3) from a fluid source (4) to a device (1) in a controllable manner, wherein a membrane unit (5) with a membrane (6) is provided, said membrane...
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WO/2013/040387A2 |
A multi-channel peristaltic pump in which each channel can be operated independently of the others. A peristaltic pump includes a plurality of motors, each of which drives a rotor shaft which is independently rotatable around an axis and...
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WO/2013/029407A1 |
A piezoelectric ceramic actuator-type super micro air pump. A pump body consists of a pump lower cover (1), a pump base (5), and a pump housing component fixedly connected together, while a piezoelectric ceramic transducer piece (2) serv...
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WO/2013/030408A1 |
The invention relates to a pump comprising a housing (2), comprising at least one pump chamber (15), comprising an inlet valve (30) that has a valve element (30a) which controls an inlet opening (30c), comprising an outlet valve (33) tha...
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WO/2013/026485A1 |
A diaphragm pump, in particular for use as a detergent dosage pump, comprises a pump head (12), a fluid chamber (18) adjacent to the pump head (12), a diaphragm (20) defining a wall of the fluid chamber (18) and reciprocatingly movable b...
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WO/2013/028416A2 |
This invention discloses a peristaltic pump composed of a two-stage linear peristaltic pump mechanism, which engages in different functions, charging and pumping a fluid to a patient. This peristaltic pump is capable of restoring the cru...
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WO/2013/023939A1 |
Linear peristaltic pump for pumping a fluid through a flexible tube (13) comprises a rotatable central member (34) with a plurality of radially disposed planetary gears (51-53). An offset roller (61-63) is disposed on each of the planeta...
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WO/2013/017143A1 |
A diaphragm pump for a seat adjusting device comprises an enclosure (11) and at least one diaphragm (23, 24) disposed within the enclosure (11) to delimit a first pump chamber (21) and a second pump chamber (22). Each one of the first an...
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WO/2013/018011A2 |
The present invention describes the improvements due to alternated actuation cycles to reduce the delivery errors related to the pumping chamber elasticity, the actuator relaxation or hysteresis. The method actuates a pumping device with...
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WO/2013/019017A1 |
The present invention relates to a diaphragm pump, more specifically to a diaphragm pump which is capable of increasing flux to the same amount of a conventional diaphragm pump while remarkably reducing pulsation.
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WO/2013/019717A1 |
Acoustic pressure inducers and methods for treating obstructive sleep apnea are disclosed. In one embodiment, an acoustic pressure inducer includes an actuator housing having an orifice, a tube having a first end and a second end, and a ...
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WO/2013/017241A1 |
The invention relates to a method for detecting the permeability of a section of a extracorporeal flexible tube inserted into a peristaltic pump (23), a detection device for carrying out a claimed method, a medicinal treatment device whi...
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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/2013/014934A1 |
There are instances in fluid-conveying devices when it is not possible to accurately discharge a set amount of fluid to be discharged, because of individual differences in the components of the fluid-conveying devices, such as the openin...
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WO/2013/014933A1 |
There are instances in fluid-conveying devices when it is not possible to accurately discharge a set amount of fluid to be discharged, because of deterioration of an elastic tube over time. Therefore, this fluid-conveying cartridge in a ...
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WO/2013/008546A1 |
An US element (20) has a silicon substrate (11), wherein the following layers are laminated on the silicon substrate (11) in the following order: a lower electrode layer (12) having a plurality of lower electrode parts (12A) and a plural...
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WO/2013/004516A1 |
The invention relates to a working diaphragm (14) for the volumetric conveying of a fluid. In the installed state (28), the working diaphragm (14) is received between components (30, 38). The working diaphragm (14) is connected to an act...
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WO/2012/176170A1 |
Method for detecting failure including possible under or over delivery of a micropump having at least an inlet valve, a pumping chamber with an inner pressure sensor and an outlet valve, said method comprising the determination of the pu...
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WO/2012/178004A2 |
A rugged elastomeric infusion pump capable of storing sterile fluids under pressure for intravenous medical use within an elastomeric bladder, wherein said elastomeric bladder is surrounded by a rugged outer shell having a proximal and d...
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WO/2012/176228A1 |
In a fluid conveying device (A), a signal generating device (170) creates a signal by a one-sided wave signal and a braking wave component (204) both having a waveform of a single wave. The one-sided wave signal is created by rising-edge...
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WO/2012/173854A1 |
A fluid pump comprising a fluidic manifold comprising a plate constructed of a fluid-impermeable material. The plate has a pump platen, first fluid connectors, and second fluid connectors, and one or more channels formed therein for conn...
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WO/2012/163497A2 |
The invention relates to a method for determination of gas in a liquid, wherein the mixture of gas and liquid is delivered by a pump and is also subjected by same to a change of volume and change of pressure, operating parameters of the ...
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WO/2012/161194A1 |
By configuring an infusion pump such that a roller clamp (7) is held on the pump body, and providing a roller moving mechanism (3), which moves rollers (72) on the roller clamp (7) in conjunction with the operation of a door lock mechani...
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WO/2012/159672A1 |
The invention relates to a fluid analysis device (10) having a base device (12) and a separate replaceable fluidic module (14), having a two-part microfluidic fluid diaphragm pump (20, 21, 22; 80). The fluid analysis device (10) comprise...
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WO/2012/154352A1 |
This disclosure relates to medical fluid pumping systems and related devices and methods. In some aspects, a medical fluid pumping system includes a medical fluid pumping machine including a piston head that can be linearly displaced and...
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WO/2012/151588A1 |
An electrokinetic system includes a first electrokinetic pump, a second electrokinetic pump, a reservoir having delivery fluid therein, and a controller. The first electrokinetic pump is configured to provide a first range of flow rates....
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WO/2012/146753A1 |
The invention relates to a micropump having a deformable membrane, comprising: a first chamber (15), one wall of which comprises a first deformable membrane portion and means (72, 81, 83) for actuating said first membrane portion; a seco...
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WO/2012/147476A1 |
This invention provides a liquid feed pump with essentially no particle generation. This liquid feed pump is provided with: a pump housing; a diaphragm (180) which together with a concave surface forms a pump chamber (123) and which part...
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WO/2012/147477A1 |
This invention provides a multilayer diaphragm which is for use in fluid devices and has excellent maintainability in addition to both operability and pressure resistance. This multilayer diaphragm (180a) is provided with a first and sec...
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WO/2012/143268A1 |
Device for pumping a liquid comprising: - a rigid core tube (11); - a flexible tube (10) positioned outside and at least partly around said rigid core tube (11); - a passage for the liquid from an inlet towards an outlet of the device an...
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WO/2012/143887A1 |
A magnetic actuator (1) comprising a substrate (3), a membrane layer (5) directly or indirectly applied on a surface (3 a) of the substrate (5), in which the membrane layer consists of a matrix of elastic polymer material, in which nanop...
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WO/2012/144219A1 |
[Problem] To provide an infusion pump in which, when a medical worker mounts an infusion tube therein, the mounting of the infusion tube in the erroneous direction is prevented through visual checking and with which it is possible to pro...
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WO/2012/143432A1 |
The present invention relates to a novel type of tubular insert 28 for connecting an extra-corporeal circuit 26 to a peristaltic pump 22. This tubular insert 28 comprises a loop 32 formed by a tube portion 20; the loop 32 comprises a cur...
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WO/2012/142922A1 |
Disclosed are a piezoelectric pump and valve plates thereof, the piezoelectric pump comprising: a lower casing (1), sealing rings (2, 3), a valve frame (4), valve plates (5), a transducing sheet (6) and an upper casing (7). The cylindric...
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