Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 12,308

Document Document Title
WO/2019/211616A1
An acoustic matching structure is used to increase the power radiated from a transducing element with a higher impedance into a surrounding acoustic medium with a lower acoustic impedance. The acoustic matching structure consists of a th...  
WO/2019/213271A1
On-platform pumps provide greater flexibility and design freedom and are a key feature of organs-on-chip platforms. On-platform electromagnetic (EM) pumps have been developed for use with the organ-on-chip platforms. The EM pump uses ele...  
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...  
WO/2019/206359A1
The invention relates to a diaphragm pump comprising a diaphragm assembly and a diaphragm retrieval device comprising a tensile bar, said diaphragm assembly comprising a diaphragm and a diaphragm retaining device which secures said diaph...  
WO/2019/208016A1
This valve is provided with: a first plate forming a first vent hole; a second plate which configures, with the first plate, a valve chamber therebetween communicating with the first vent hole, and forms a second vent hole communicating ...  
WO/2019/204497A1
A diaphragm pump includes a transfer chamber containing hydraulic fluid and a pumping chamber for fluid to be pumped. A connecting assembly includes a plunger extending to the transfer chamber. A diaphragm connects to the connecting asse...  
WO/2019/197047A1
A multiple cavity reciprocating positive displacement pump (200) comprises a plurality of pump cavities (222), each pump cavity (222) including at least an inlet valve (228) and an outlet valve (231), wherein respective inlet valves (228...  
WO/2019/191645A1
A fluid-handling cassette (80) comprises at least one of a fluidly actuated diaphragm valve (82) and a fluidly actuated diaphragm pump (84), the actuating fluid being supplied to the cassette (80) through actuation ports (96) located alo...  
WO/2019/187410A1
A method for manufacturing a diaphragm device 1, said method having a bonding step for bonding a base material 2 and a diaphragm 3 so as to seal a flow path 4b. In the bonding step a sealing material 14 is irradiated with a laser beam L ...  
WO/2019/189335A1
The present invention provides a device and method for performing treatment of a liquid such as a nucleic acid-containing sample liquid by a liquid-permeable carrier under stable conditions. This liquid passage device 1 is for passing a ...  
WO/2019/186176A1
A pumping apparatus (1) for dispensing a flowable product comprises first and second peristaltic pumps (12, 14). The first peristaltic pump (12) comprises a first rotor (18) having at least one pressing member (20), a first cylindrical s...  
WO/2019/180575A1
In the current invention, the force is first transferred to the hydraulic pump by the electromotor and then by the belt to the gearbox. The oil is led toward the oil rotary dividing gate by the hydraulic pump and the rotary oil dividing ...  
WO/2019/170553A1
The invention relates to a drive device for a diaphragm fluid pump, comprising: a service pump, the service pump being connected to the diaphragm fluid pump by means of a pressure line in order to drive the diaphragm fluid pump, and the ...  
WO/2019/171387A1
A compliant transmission system includes a rotatable wave generator and a sleeve fitted on the wave generator. The rotatable wave generator has an external surface including pattern extending both annularly and in a longitudinal directio...  
WO/2019/169190A1
A system for controlling a pump can include a fluid level sensor (300), a fuel level sensor (300), one or more oil pressure sensors (500), a pump fluid sensor (600), and a pump controller (100). The pump controller (100) can provide spee...  
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...  
WO/2019/167402A1
A rolling diaphragm 25 is provided with: a liquid pressing part 41; a ring-shaped marginal part 43; and a folded cylindrical part 45 connecting the liquid pressing part 41 and the ring-shaped marginal part 43 to each other. The folded cy...  
WO/2019/158377A1
A pumping structure (20) comprises at least two membranes (21), at least two actuation chambers (22), one evaluation chamber (23) comprising an opening (24) to the outside of the pumping structure (20), and at least three electrodes (25)...  
WO/2019/155453A1
An infusion pump including a plunger, a proximal valve located proximally to the plunger, a distal valve located distally to the plunger, and a controller configured to trigger the position of the plunger, such that both in its upper pos...  
WO/2019/152140A1
A negative pressure wound therapy device includes a piezoelectric pump, a state detector configured to detect a state of the pump, and a control circuit configured to transmit a first control signal for a first period having a first RMS ...  
WO/2019/151173A1
A fluid control device (101) is provided with a piezoelectric pump (10), a pressure container (12), an input unit, a drive control unit (30), and a drive circuit (20). The piezoelectric pump (10) is provided with a pump chamber (117) of ...  
WO/2019/151172A1
This drive device (10) is provided with a voltage regulating circuit (11), a drive signal generating circuit (12), a current limiting circuit (13), and a voltage control circuit (14). The voltage regulating circuit (11) regulates a power...  
WO/2019/022951A8
Drug delivery devices and related methods of assembly are disclosed. The drug delivery device may include a main housing having an interior surface defining an enclosed space, and an exterior surface releasably attachable to a patient. A...  
WO/2019/149924A1
A breather assembly for a peristaltic pump comprising a breather tube and a cap. The cap is detachably connected to the breather tube and comprises a sealing portion. One of the breather tube and the cap comprise a guide track and the ot...  
WO/2019/148004A1
A pump includes a housing assembly having a frame with a support floor, a motor supported by the frame within the housing assembly, and a head assembly coupled to the housing assembly and including a plate. The pump also includes a first...  
WO/2019/141489A1
There is disclosed a peristaltic rotor unit (100) comprising a housing (102); a track (104) within the housing defining a pathway for a tube (2); a rotor (106) within the housing configured to compress a tube received along the pathway a...  
WO/2019/142455A1
Provided is a rolling diaphragm pump in which an increase in cost can be suppressed using a simple configuration. A rolling diaphragm pump 1 is provided with: a housing 2; a piston 3 which is disposed so as to be slidable relative to the...  
WO/2019/137904A1
The invention relates to a seal (11), in particular a rod seal for sealing an axially movable rod (9, 10) in a guide cylinder, in particular a piston seal for a pneumatically, electrically or hydraulically driven coating agent pump for p...  
WO/2019/135900A1
A negative pressure wound therapy device includes at least one piezoelectric pump and a control circuit. The control circuit is configured to generate a first control signal to control operation of the at least one piezoelectric pump, th...  
WO/2019/131706A1
This pump (10) comprises a flat plate (20), a flat plate (30), a piezoelectric element (41), a support member (201), side wall members (82, 83, 84, 85, 86), a pump chamber (100), a second support member (50), and a holding plate (60). Th...  
WO/2019/124029A1
This pump is provided with a pump case, a diaphragm, a drive body, and a feed plate (40) which has a first conductive part (41) and a second conductive part (42) that is electrically insulated from the first conductive part (41). The dri...  
WO/2019/124545A1
The present invention provides a pump and the like that can eliminate the need for internal cleaning. A pump (1): that comprises a plurality of pump units that are connected along the axial direction of the pump (1) and comprise an outer...  
WO/2019/125941A1
An LVP that provides peristaltic pumping to removably couplable administration set tubing assemblies supplying medical infusate. The LVP includes a housing, a drive-train assembly, and a controller. The housing includes an assembly recep...  
WO/2019/117028A1
Realized is a duckbill valve that stably operates for a long time even if high pressure is applied to a fluid. The present invention is characterized by comprising a first flow passage forming portion 40 having a first flow passage 41, a...  
WO/2019/110695A1
Crinkle diaphragm pump (1) comprising: – a body (2) inside which there is an internal chamber (2a) comprising an inlet opening and an outlet opening for fluid (22); – a flexible diaphragm (3) placed inside the chamber in which it can...  
WO/2019/105872A1
A peristaltic pump (200) is proposed which comprises a first housing component (210) and a second loading component (230), said second loading component being at least partially contained within said first housing component and being axi...  
WO/2019/106889A1
This liquid pump (10) is provided with: suction-side connection flow paths (51, 75) which are connected to an inlet port (52) through which liquid flows in, and which connect a first suction flow path (53) and a second suction flow path ...  
WO/2019/106185A1
The present invention relates to a removable peristaltic pump cassette comprising a stator (2) configured to receive a tube (3) intended to extend from an inlet (4) to an outlet (5) of said stator (2); the cassette (1) further comprising...  
WO/2019/106674A1
A dual active valve positive displacement pump comprising: A housing holding the pump's components. A piston with an internal cavity divided into two fluidly-isolated volumes by a freely-moving diaphragm, one of the two volumes being flu...  
WO/2019/099054A1
A multi-chamber wobble plate pump that includes a housing with an inlet port, an outlet port and a plurality of pump chambers. The pump further includes a plurality of inlet valves each located within one of the pump chambers to control ...  
WO/2019/099442A1
Disclosed are techniques such as roll to roll processing to produce inlet valves for controlling entry of fluid into a compartment of a device. The valve includes a body having a compartment and an inlet into the compartment, with the in...  
WO/2019/093942A1
Disclosed herein is a peristaltic pump for medical applications comprising a motor (2), a rotor (4) coupled to the motor, a housing (6) in which the rotor is arranged and an opening and closing mechanism (8) comprising a tube pressuring ...  
WO/2019/093804A1
The present invention relates to a membrane for an electroosmotic pump, through which a fluid flows to the inside thereof, and an electroosmotic pump which comprises the membrane for an electroosmotic pump so as to allow a fluid to flow ...  
WO/2019/092175A1
The present invention relates to an undulating-membrane fluid circulator having an intake port (3), a pump housing (4) delimiting a propulsion chamber (5), a discharge port (6), and an undulating membrane (2) paired with a drive means pe...  
WO/2019/089752A1
An dispenser includes a housing, a container disposed in the housing for holding a liquid, a nozzle, and a pump. The pump is disposed between the container and the nozzle. The pump includes a pump inlet, a pump outlet, a pump chamber, a ...  
WO/2019/082002A1
A manifold (70, 150) for a multistage pump (10) provided with a plurality of pumping chambers (15), wherein the manifold (70, 150) comprises a body (75, 155) which is so shaped as to define a duct (80, 160) extending along a path (P) and...  
WO/2019/076795A1
The invention relates to a device for obtaining energy from the kinetic energy of vehicles, comprising a concrete trough (1) which is open at the top, is sunken in the roadway and in which a recess (12) which is covered on the roadway si...  
WO/2019/077843A1
Provided is a resin member with which it is possible to suppress the generation of particles resulting from repeated bending. A rolling diaphragm 5 comprising a resin member has one surface which is a wetted surface 37a, and has flexibil...  
WO/2019/076535A1
The invention relates to a magnetic actuator (12) for a conveying unit (10), in particular a membrane pump for conveying an operating/auxiliary material in a vehicle, having an immersion armature (22), which extends through an internal p...  
WO/2019/072467A1
The invention relates to a passive valve (100), the passive valve (100) comprising a support layer (101), a valve structure (102) and a valve seat structure (103), wherein: the support layer (101) has a first opening (104) on a first sid...  

Matches 1 - 50 out of 12,308