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Matches 51 - 100 out of 1,402

Document Document Title
WO/2021/222881A1
A medical ventilator (200) comprising two pistons (104i, 104e) moving in unison with one another within respective two (a "first" and a "second") cylinders (100i, 100e). During an exhale phase of a breathing cycle, the first cylinder (10...  
WO/2021/212200A1
The application relates to a hydraulic motor (1) controlled by automation of a directional four-way valve (3), in which two intake lines (4, 5) and two discharge lines (6, 7) control the intake and discharge of water for the left-hand si...  
WO/2021/211797A1
A substance delivery device is disclosed. The substance delivery device includes a lever that includes a drive arm that is rotatable about a pivot. The substance delivery device also includes a pump that has a deformable chamber. The def...  
WO/2021/204773A1
1. The invention relates to a balance chamber system for a dialysis machine comprising a dialyser for extracorporeal blood treatment. 2.1 A balance chamber system of this type is known comprising at least one balance chamber unit which i...  
WO/2021/202703A1
Aerosol-free spray devices are provided. According to some embodiments, an aerosol-free spray device includes a piston operable within a piston chamber and coupled to a vacuum plunger operable within a vacuum chamber. Each component, inc...  
WO/2021/188221A1
An electrostatic zipping actuator (132, 232) includes a primary electrode (120, 220), a secondary electrode (130, 230) overlying the primary electrode, a dielectric layer (120; 220, 270) located between and abutting at least a portion of...  
WO/2021/182919A1
Provided are a membrane-electrode assembly for an electroosmotic pump, an electroosmotic pump including the membrane-electrode assembly for an electroosmotic pump, and a fluid pumping system including the electroosmotic pump, the assembl...  
WO/2021/182923A1
Provided are an electroosmotic pump, a method for manufacturing the electroosmotic pump, and a fluid pumping system comprising the electroosmotic pump, wherein the electroosmotic pump comprises: a membrane; a first electrode provided on ...  
WO/2021/178455A1
A linear pump includes a centrally-disposed drive system and a plunger having a center portion coupled to the drive system, and first and second fluid ends disposed at the first and second ends of the plunger. The pump further includes f...  
WO/2021/170273A1
The invention relates to a cleaning device (2) for a vehicle, by means of which cleaning device at least one cleaning point can be cleaned with pressurized cleaning liquid and/or pressurized ambient air, the cleaning device comprising: a...  
WO/2021/152640A1
The present invention relates to a method and a device for treating and/or transporting food items. The apparatus and method are designed to facilitate treating animals or food items in liquid. The device of the present invention is desi...  
WO/2021/127514A1
The present application provides new and innovative high-pressure fluid systems for preventing seal burning due to gas auto-ignition. The provided systems include an o-ring disposed within a seal cavity of a cup seal to decrease the dead...  
WO/2021/089757A1
A method for altering one or more properties of a dielectric fluid for use in an electrohydrodynamic, EHD, thermal management system (100), as well as the system, are provided. The system comprises at least one EHD pump unit (110) compri...  
WO/2021/042056A9
Embodiments of the present invention reduce the amount of energy required to operate air-conditioners and refrigerators by providing a vapor-compression system that harnesses a low- or no-cost source of energy, namely, heat, and uses the...  
WO/2021/034210A1
The invention refers to a peristaltic conveyor belt that is operated by lifting unit designed to artificially lift crude oil from deep wells to be used in the field of crude oil extraction and other deep well artificial fluid lifting app...  
WO/2021/026543A1
A pump that operates on the principle of internal combustion of gases in conjunction with the movement of fluid within a combustion chamber and various valve assemblies. The pump is capable of producing both vacuum and pressure through t...  
WO/2021/021577A1
A pump comprises a frame and a docking platform connected to the frame. A motor is mounted to the docking platform and has a rotatable drive shaft extending therefrom. Roller bearings are mounted to cross beams attached to the frame. A v...  
WO/2021/016232A1
A fluid end of a reciprocating pump assembly includes a cylinder, a cover, and a valve stop. The cylinder has a fluid inlet, a fluid outlet, and an access side wall comprising an access wall inner surface that defines an access opening. ...  
WO/2021/015610A1
Compressor (1) for compressing a fluid, in particular a gas, with, the compressor (1) comprising at least one hollow cylinder (2) extending along the longitudinal axis (C) of the cylinder (2) between two cylinder ends (3a, 3b) and boundi...  
WO/2020/252180A1
A piezoelectric pumping mechanism, comprising a pump body, at least one pumping element housed within the pump body, the at least one pumping element including a body, at least one stack of piezoelectric material, an amplifying element, ...  
WO/2020/245275A1
Embodiments of the present invention provide a device for manipulating a substance, the device comprising at least three series of interdigitated electrode pairs, wherein each electrode of each pair is connected to an electrode in an adj...  
WO/2020/233791A1
A stretchable pump for providing electrohydrodynamic pumping of a ionisable fluid, said soft pump comprising a stretchable polymeric structure comprising at least one elongated channel, therein; and a first set of at least two electrodes...  
WO/2020/229568A1
Fluid circulation pump (100) comprising a suction inlet (41), a delivery outlet (42) and a movable part (45) that can move in the chamber (44). The pump (100) comprises first upstream (120a) and downstream (121a) circular lips such that:...  
WO/2020/220008A1
A container system that includes a container element with a hole or series of holes that are sealed by at least one seal assembly with at least one seal element. When the container system is placed into material to be captured, the seal ...  
WO/2020/167743A1
Systems, devices, and methods of manufacture are provided for a cylindrical compressor with a standardized shell and core. The compressor including a cylindrical cast metal shell having a shell bore extending longitudinally therethrough ...  
WO/2020/167108A1
The invention relates to a system that intensifies hydraulic pressure, which comprises a main actuation subsystem and a direction-change subsystem. The main actuation subsystem comprises: a motor; a pump; a first piston with a plunger th...  
WO/2020/161210A1
The invention relates to a method for operating a linear motor compressor (1) comprising an electric linear motor (14), a cylinder (2), and a linearly movable free piston assembly (16) comprising a piston (3). The cylinder (2) and the pi...  
WO/2020/154689A1
A microfluidic device is provided for managing fluid flow in disposable infusion devices, thereby providing periodic or constant flow of fluid even at very low doses and/or flow rates. Pumps utilizing the microfluidic device, as well as ...  
WO/2020/142078A1
An active accumulator system which automatically adjusts or adapts the charge pressure or volume of an accumulator to maintain an optimal charge pressure or volume of the accumulator may provide optimal operation of a pump. An active acc...  
WO/2020/125829A1
The invention relates to a method for increasing the metering precision of microfluidic pumps and valves based on a flexible cover film/membrane and a valve trough, in which the surface of the membrane, which faces the valve trough, is h...  
WO/2020/027751A9
The invention concerns a new hydraulic interface device (1) and the operation method (100) of the device that has been designed to be used to transmit valuable fluids to micro-fluidic systems and to move these fluids within these systems.  
WO/2020/117791A1
Described herein are embodiments of a drive head for use with positive displacement pumps. In one embodiment, a drive head for use with a pump comprises a central shaft having a first end and a second end; first and second drive rod conn...  
WO/2020/113006A1
A multiple pulse volume shuttle pump powered by a shape memory alloy (SMA) wire is disclosed. In some embodiments, a shuttle pump system may include a pump chamber, a valve operable with the pump chamber, and a wire coupled to a valve sh...  
WO/2020/104995A1
The invention relates to a conveying device (400) comprising a housing (410), an actuator (430), a drive (450) and a sealing element (470). The housing has a fluid inlet (411, 413) and a fluid outlet (413, 411). The actuator (430) compri...  
WO/2020/106603A1
A safety bracket assembly for a reciprocating pump includes a rectangular bracket configured to encircle three sides of a fluid end of the reciprocating pump. The rectangular bracket has first and second ends, each end defining an openin...  
WO/2020/091976A1
Fluidic channels and pumps for active cooling of cables or circuit boards are described. One assembly includes a conductor having a length between a first end of the cable and a second end of the cable and a fluidic channel structure tha...  
WO/2020/079396A1
A mobile pumping system and analytical instrument are disclosed. The mobile pumping system comprises exclusively non-mechanical pumps for providing a vacuum, said system comprising: a vacuum chamber; a shock resistant non- mechanical int...  
WO/2020/078759A1
The invention relates to a method for conveying at least one first medium (1) within a channel system (2) of a fluidic device (3), comprising at least the following steps: a) providing the at least one first medium (1) at a first point (...  
WO/2020/068892A1
Apparatus that prevent side load in hydraulic override pumps are disclosed herein. An example apparatus includes a lever rotatably mounted to a support, a pump cylinder rotatable about a first end of the pump cylinder, and a pump rod ope...  
WO/2020/046413A1
A water resistant hand pump fabricated entirely from plastic components is provided. The pump comprises a pump housing, actuator, piston, chaplet, stem and a pump spring where the pump spring is in the form of an elastic dome made from a...  
WO/2020/040519A1
Disclosed is an electroosmotic pump comprising: a housing having one shaft hole; a membrane arranged between a first space disposed in the direction away from the shaft hole and a second space adjacent to the shaft hole; a first electrod...  
WO/2020/037283A1
A reciprocating pump assembly includes a fluid end section having a pressure chamber and a plunger bore that fluidly communicates with the pressure chamber. The reciprocating pump assembly includes a plunger configured to be held within ...  
WO/2020/033181A1
A system and a method for producing fracturing fluid, comprising: engaging an engagement coupling attached to one end of a gear box dual shaft to a gear box connector of an external gear box, wherein the external gear box is part of a pu...  
WO/2020/018322A1
A pump suitable for use in a wearable medical device, such as a patch pump, comprises an axially translatable chamber (104, 204) with an inlet (105, 205), and an outlet (106, 206), a piston (102) or a diaphragm (202) rotatably received i...  
WO/2020/009901A1
A heat transfer system is disclosed including heat transfer fluid flow paths (20,22,24,28) through a heat exchanger evaporator (12) and a heat exchanger condenser (16). The system includes an electrochemical cell (32) that transforms an ...  
WO/2020/006163A1
A microfluidic pumping system configured to prevent backflow from an outlet of the system toward an inlet of the system. The microfluidic pumping system comprising a gear housing that has an inlet and an outlet and that houses a drive ge...  
WO/2019/238768A1
The invention relates to a positive displacement pump device with at least one shape memory unit (10) which comprises at least one magnetic shape memory element (12) which is provided to convey at least one medium (14) in at least one co...  
WO/2019/222187A1
A nanofluidic peristaltic pump includes an elongated tubular member having a first end, an opposed second end, and an elastic wall defining a flow channel extending between the first and second ends; and a series of shape memory alloy ac...  
WO/2019/195613A1
A replacement tube (300, 400, 500) for a manifold is provided. The replacement tube includes a closed cell foam (305) and a reinforcement strip (310). The closed cell foam is formed in a cylindrical tube and flexible to absorb pressure p...  
WO/2019/194799A1
The present disclosure is drawn to microfluidic cellular membrane modification devices. In one example, a microfluidic cellular membrane modification device can include a microfluidic channel including a pumping portion and an electric f...  

Matches 51 - 100 out of 1,402