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Matches 1 - 50 out of 3,501

Document Document Title
WO/2019/221121A1
This piezoelectric pump comprises a first casing (1) that includes a diaphragm (11) having a first opening part (111), a thin plate part (12) provided to a position of facing the diaphragm (11), and a frame body (13) connecting the diaph...  
WO/2019/218561A1
Disclosed is an air inflation system, comprising a base (11), a regulation module (12) and a first sealing module (13), wherein an accommodation cavity (113), an air inlet (111) and an air inflation hole (112) are arranged inside the bas...  
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/2019/206359A1
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/2019/204497A1
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/2019/173910A1
A pump system and method for producing fluids from a reservoir using a wellbore having a vertical section with a casing defining a wellbore annulus, a horizontal section in fluid communication with the wellbore annulus, and a production ...  
WO/2019/171736A1
This valve is provided with a first valve housing, a second valve housing, a diaphragm, a first affixation section, and a second affixation section. The diaphragm forms together with the first valve housing an upstream valve chamber, for...  
WO/2019/159502A1
This fluid control device (10) comprises a valve (20) and a pump (30). The valve (20) has a valve chamber (200). A first main plate (21) has a first opening part (201) through which the interior and exterior of the valve chamber (200) co...  
WO/2019/159501A1
Provided is a fluid control device comprising a valve (20) and a pump (30). The valve (20) comprises a valve chamber (200) surrounded by a first main plate (21), a second main plate (22), and a side plate (23). The first main plate (21) ...  
WO/2019/159448A1
This fluid control device (10) comprises a first main plate (21), a second main plate (22) having one main surface facing one main surface of the first main plate (21), and a side plate (23) connecting the first main plate (21) and the s...  
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/2019/138675A1
This pump (1A) is provided with: a first pump chamber (21) defined by a first plate-like body (30) and a second plate-like body (40); a second pump chamber (22) defined by the first plate-like body (30) and a third plate-like body (50); ...  
WO/2019/138676A1
This pump (1A) is provided with: a first pump chamber (21) defined by a first plate-like body (30) and a second plate-like body (40); a second pump chamber (22) defined by the first plate-like body (30) and a third plate-like body (50); ...  
WO/2019/130853A1
A pump (1A) is provided with: a first vibration plate (30), a second vibration plate (40), and a peripheral wall section (50), which define a pump chamber (21); and a drive body (80). The drive body (80) bends and vibrates the first vibr...  
WO/2019/130714A1
The purpose of the present invention is to provide a diaphragm pump in which deterioration of a diaphragm is prevented and the pump compression ratio is increased, thereby ensuring a long service life and high performance. The diaphragm ...  
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/2019/130754A1
A pump device (1) is provided with a piezoelectric pump (21), a piezoelectric pump (22), and a drive circuit (10). The piezoelectric pump (21) is singly driven at a first frequency. The piezoelectric pump (22) is singly driven at a secon...  
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/2019/123819A1
A valve (10) is provided with: a first case member (101) having a flow entry (H1) and a first valve seat (VS); a second case member (105) having an exhaust opening (H2) and an ejection opening (H3); a valve chamber formed by adhering the...  
WO/2019/124060A1
A pump (1A) is provided with: a housing (10); a first vibration body (30), a second vibration body (40), and a circumferential wall portion (50) which define a pump chamber (21); and a drive body (60). The housing (10) comprises a first ...  
WO/2019/111982A1
This pump (10) is provided with a flat plate (21), a drive member (22), and a base member (51). The base member (51) has therein a suction port (101) that is connected from the rear surface to the front surface thereof. The flat plate (2...  
WO/2019/111922A1
Provided is a pump (10), comprising: a flat plate (20); a flat plate (30); a discharge port (102); a supporting member (201); and a supporting member (70). The flat plate (20) has one main surface on which a piezoelectric element (40) is...  
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/2019/076795A1
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/2019/073739A1
This pump (10) is provided with a housing (20), a piezoelectric element (30), a plurality of first holes (41), a plurality of second holes (42), and a plurality of first valves (51). The housing (20) has a pump chamber (200) surrounded b...  
WO/2019/072605A1
The invention relates to a method for ventilating a patient and to an apparatus - patient module (20) - operating according to said method. A value, e.g. a weight value relating to an estimated weight of the patient is transmitted to a p...  
WO/2019/061160A1
Disclosed are a pump device (500) and a plant protection unmanned aerial vehicle having same. The pump device (500) comprises a body (1), covers (2) respectively covering two sides of the body (1), two diaphragm sheets (3) provided in th...  
WO/2018/220586A3
Aspects of the instant disclosure relate to electronic cigarettes with an active delivery system for transporting a liquid solution from a tank to an atomizer; and more particularly to oscillating diaphragm pumps that facilitate flow of ...  
WO/2019/048647A1
The invention relates to a compressor (1) having at least one metal diaphragm bellows (16), forming a positive displacement chamber, for compressing and/or for conveying gases, comprising a housing in which a drive and the metal diaphrag...  
WO/2019/044234A1
When viewed from vertically above, a first spring (111) extends from a first position (121) in a first direction (D1) which is the direction away from a rectangular shape S. A second spring (112) extends from a second position (122) in a...  
WO/2019/014730A1
The present utility model patent relates to an innovative two-stage membrane compressor, the first stage being peristaltic and the second composed of three plano-spherical chambers linked in parallel. Said model allows minimal maintenanc...  
WO/2019/011384A1
A high-pressure compressor (2) comprises a hydraulic system and a gas chamber (14). The hydraulic system comprises a reservoir (11) connected to a hydraulic fluid chamber (23) by a hydraulic flow path (41) and a pump assembly (30) positi...  
WO/2019/011385A1
Method of controlling the injection of hydraulic fluid into a high pressure diaphragm compressor comprising a hydraulic system, the method comprising: measuring a representation of pressure in a high- pressure part of the hydraulic syste...  
WO/2019/011386A1
The invention relates to a pressure sensor comprising a housing connected to a compressor head, the housing comprising a piston movably mounted in a cylinder, the cylinder is fluidly connected to a high-pressure part of a hydraulic syste...  
WO/2019/011475A1
The invention relates to a system for producing and dispensing pressurized hydrogen comprising: - a hydrogen generator (1), in particular an electrolyser, - a hydraulic drive (16), - two or more hydrogen storage tanks (10a, 10b, 10c), an...  
WO/2018/202252A3
The invention relates to a fluid receiving arrangement (20) comprising a first fluid receiving chamber (34) that is sealed off with respect to the surroundings except for a fluid inlet channel (36) by means of which said first fluid rece...  
WO/2018/221286A1
This pressure control device (10) is provided with a pump (21), a connection pipe (30), a first valve (41), and a second valve (42). The pump (21) has an intake port (211) and a discharge port (212). A first end of the connection pipe (3...  
WO/2018/221287A1
The present invention is provided with: a first plate (10) having a first through-hole (100); a second plate (20) having a second through-hole (210) that does not face the first through-hole (100); a valve chamber (55) formed surrounded ...  
WO/2018/168379A1
This fluid control device (10) includes: a piezoelectric pump (11) which has a piezoelectric element (12) and has an output for discharge pressure that changes according to the drive frequency of the piezoelectric element (12); a self-os...  
WO/2018/122080A1
A method of producing a flow of a fluid through a passage (24) defined in a rigid frame (22) comprises selectively actuating a flexible membrane (38) disposed across a midpoint of the passage (24) with an actuating system in a manner whi...  
WO/2018/122400A1
An apparatus for creating a flow of gas comprises a frame having a passage defined therethrough. The passage extends a length along a central longitudinal axis from an inlet to an outlet and has a first side and a second side. A flexible...  
WO/2018/098505A1
Techniques for manufacturing miniaturized diaphragm pumps using additive manufacturing techniques, such as polyjet printing, are provided, as are the pumps and systems that result from using such techniques to produce the pumps. The prov...  
WO/2018/082155A1
A piston assembly (1) for a pump, and a pump. The piston assembly (1) comprises: an airbag (11) and a movable connecting bracket (12). The airbag (11) comprises: a base tray (111), a bag body (112), and a sleeve tube (113), the base tray...  
WO/2018/082154A1
An upper cover (2) for a pump, and a pump. An air outlet duct (21) is arranged on the upper cover (2), the upper cover (2) being used for covering an airbag (11) of a pump, the airbag (11) being provided with an air chamber (1120) open t...  
WO/2018/074193A1
Provided are a suction device capable of suctioning at low pressure and low flow rate without requiring cleaning or disinfection, and a suction system using the suction device. The suction device is provided with a housing and a drive un...  
WO/2018/070295A1
A flow-forming unit (200) is provided with: a first pump unit (210) capable of forming a fluid flow directed toward a container (100); a second pump unit (220) capable of forming a fluid flow directed toward the container (100); a connec...  
WO/2018/051261A1
A multistage compressor is disclosed that may include a wobbling member operationally coupled with an external power source. The external power source may drive a nutating motion of the wobbling member. The multistage compressor may furt...  
WO/2018/036979A1
A double membrane is proposed for a diaphragm pump for fluidizing, covering and conveying dusty products, such as, for example, pulverized coal, with the aid of an inert gas at pressures of up to 7 MPa, said diaphragm pump having a porou...  
WO/2018/039421A1
A prosthetic system (1) includes first and second parts (7, 9) rotatable relative to one another about a joint (16). The first and second parts (7, 9) are adapted to form at least part of a weight bearing connection (2) between a prosthe...  

Matches 1 - 50 out of 3,501