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8096786 |
Three dimensional micro-fluidic pumps and valves
A system is disclosed for the control of fluid flow in a micro-fluidic system, the system having: a substrate; at least one micro-fluidic channel having disposed in a microchannel layer atop the...
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8092365 |
Resonant multilayered impedance pump
A multilayered impedance pump is formed by an inner tube and an outer tube which have different mechanical characteristics. The outer tube is relatively stiff, and can be used for a structural...
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8051905 |
Cooling systems employing fluidic jets, methods for their use and methods for cooling
In one embodiment, a cooling system is disclosed. The cooling system comprises: a cooling channel for receiving a cooling media, a substrate disposed near the cooling channel, and a fluidic jet...
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7800279 |
Thermo-buckled micro actuation unit made of polymer of high thermal expansion coefficient
Disclosed is a thermo-buckled micro actuation unit made of parylene, which is a polymer having high thermal expansion coefficient, for delivering liquid from a source liquid section to a target...
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7764499 |
Electromagnetically-actuated micropump for liquid metal alloy
The present invention discloses a method of confining a liquid metal alloy within a closed-loop system; distributing a first portion of the liquid metal alloy in a cavity within the closed-loop...
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7748962 |
Fluid handling apparatus and method of handling a fluid
A fluid handling apparatus includes a body, which comprises a fluid handling structure, and a flexible membrane attached to the body and formed to interact with a fluid in the fluid handling...
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7736132 |
Compressors and methods for use
A compressor suitable for use in a portable oxygen concentrator. In one exemplary embodiment, the compressor includes a crankshaft rotatable about a central axis and a plurality of diaphragm...
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7695255 |
Peristaltic pump
A pump for generating fluid flow in an elastic tubular conduit. The pump comprises a plurality of electrically operated valves, each valve being positionable adjacent to the conduit. Each valve has...
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7607750 |
Pump control mechanism, printer incorporating the same, and pump control method
A pump member is cyclically moved to apply an air pressure to a liquid supply source to thereby supply liquid stored therein to a reservoir member. A driving source is driven in accordance with...
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7547199 |
Fluid pumping system and related methods
A pumping system and related methods involving an outer chamber and an inner chamber extending between two endplates, wherein the circumference of the inner chamber may be adjusted via a plurality...
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7544048 |
Universal vibratory pump
A vibratory pumping machine including a pumping chamber disposed within a housing for the machine having an inlet tube that is insertable into a container having a liquid therein to withdraw the...
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7539016 |
Electromagnetically-actuated micropump for liquid metal alloy enclosed in cavity with flexible sidewalls
The present invention discloses a method of confining a liquid metal alloy within a closed-loop system; distributing a first portion of the liquid metal alloy in a cavity within the closed-loop...
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7238165 |
Fluid pump
A pumping system 10 provides a physiological pulsatile flow and includes controller 121, a pump drive head 50 coupled to a motor 12 and a fluid housing 52 having at least one port 60. The port 60...
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7118356 |
Fluid pump with a tubular driver body capable of selective axial expansion and contraction
A fluid pump for pumping fluid. The fluid pump includes a driver having a substantially tubular shaped body defining a body axis and, a number of elements circumferentially spaced around the body....
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7094037 |
Oil-cooled compressor
An oil-cooled screw compressor which can maintain the discharge temperature of discharge gas at an appropriate level is provided. The oil-cooled screw compressor comprises a compressor body, an oil...
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7066086 |
Stencil printer
In a stencil printer, a diaphragm pump is used as an ink supply pump.
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7021910 |
Solar energy operated air pump
A solar energy operated air pump includes a rectangular box having a lower lid connected to the bottom, an upper lid openably covering the top thereof and a solar cell inlaid into the upper lid...
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7011507 |
Positive displacement pump with a combined inertance value of the inlet flow path smaller than that of the outlet flow path
A pump according to the present invention has a circular diaphragm 4 placed at the bottom of a casing 2. At the bottom of the diaphragm 4, a piezoelectric element 6 is installed in contact with the...
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6960068 |
Center valve sleeve retention system for an oscillating pump
A pump (10) includes an impeller (12) positioned in a housing (11). A valve assembly (13) is positioned within a valve sleeve (25) which is carried by the impeller (12). The impeller (12) is...
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6918748 |
Tube pump
A tube pump (1A) of the present invention is provided with a main body (2) to which a tube (100) is attached, a rotor (5), an oscillator (6) located so as to touch an outer circumferential face of...
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6655923 |
Micromechanic pump
A micromechanical pump has a membrane (2) positioned above a substrate (1). The substrate is provided with a cavity (8) which is formed in an endlessly continuous shape (e.g., circular) to provide...
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6616425 |
Feed device for a motor vehicle and reservoir for a feed device
A feed device (1) for washer fluid, wherein an electric motor (3) which is provided for driving a feed pump (4) has a housing (6) which is sealed in the upper region and an opening (11) which is...
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6607368 |
Linear pump and method
A linear pump for pumping a fluid includes a generally tubular shaped bladder 50 sealingly engaged on each end to an end cap 20, 25, forming an inner chamber 14, and including each of an inlet 70...
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6599106 |
Tube pump and ink jet recording apparatus incorporating the same
In a tube pump, a rotor is fixed to a drive shaft so as to rotate therewith. A tube pressing member is swingable in an axial direction of the drive shaft. A swinging member swings the tube pressing...
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6554587 |
Pump and diaphragm for use therein
The pump of the present invention preferably includes a housing having an inlet port, an outlet port and a chamber located in fluid communication with the inlet port and the outlet port. A...
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6544005 |
Diaphragm for a diaphragm pump
A diaphragm for a diaphragm pump is in the form of a vehicle tire. The vehicular tire has a first mounting face, a second mounting face and a circumferential tread portion positioned between first...
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6488641 |
Body pulsating apparatus
A vest for a human body has an air core coupled to a pulsator operable to subject the vest to air pressure pulses which applies and releases pressure to the human body. The vest has a cover having...
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6471477 |
Jet actuators for aerodynamic surfaces
A jet actuator positioned within a hollow space in an aerodynamic structure for controlling the flow over an aerodynamic surface thereof includes a movable member linearly displaced by a voice coil...
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6379124 |
Air pump structure having driving effect
The present invention proposes an air pump structure having driving effect. The present invention is characterized in that a swing element of the air pump is connected to a driving shaft. One end...
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6364636 |
Structure of a miniature pumping machinery
A miniature diaphragm pump includes a motor unit, a compression portion, and an air collection portion. The output air is injected into the inner space of the pump through the air inlet formed at...
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6352455 |
Marine propulsion device
The propulsion device (10) includes a housing (12) having an incoming end cap (14) and an outflowing end cap (16). A tubular bladder (20) within the housing is interconnected to each end cap,...
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6345963 |
Pump with positive displacement
A pump with positive displacement for pumping and entrainment of a fluid in piping (3), includes a cylinder (6) which contains deformable pumping bellows (12) which separate two pumping chambers, a...
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6342072 |
Artificial heart capable of being wholly implanted
The invention concerns an artificial heart capable of being wholly implanted including in a single-piece module (2) two independent ventricular chambers (22G, 22D) each provided with two orifices...
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6264438 |
Reciprocating pump having a ball drive
A pump includes a pump chamber, a reciprocally, driven body that is moved to perform a pumping function by changing the capacity of the pump chamber, and a driving mechanism that reciprocally moves...
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6254556 |
Repetitive pressure pulse jacket
A vest for a human body has an air core coupled to a pulsator operable to subject the vest to pulses of air which repetitively applies and releases pressure to the body. The vest has a cover having...
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6247905 |
Method and apparatus for actively controlling a micro-scale flexural plate wave device
An actively controlled flexural plate wave device provides a micro-scale pump. A method of actively controlling a flexural plate wave device produces traveling waves in the device by coordinating...
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6074179 |
Magnetostrictive peristaltic pump
A magnetotrictive peristaltic pump transfers a fluid from a supply chamber o a receiving chamber. The pump has a housing and a core section mounted within the housing. The core section is...
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6050787 |
Magnetically actuated flexible tube pump
A flexible tube pump, reference FIG. 2, having an elastic tube 1, compounded with a magnetically responsive material, stretched onto the surface of shaft 2 to provide a seal between the contacting...
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6015266 |
Reactive material reciprocating submersible pump
A subsurface well system contains well bore fluid and a pumping system which is lowered into the well bore on a conduit. The pumping system is supplied with electrical power through a conductor....
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6012910 |
Electromagnetic oscillating pump with self-aligning springs
An oscillating pump (10) includes a housing (11) which carries the components thereof. These components include an electromagnetic coil (24) surrounding an armature (23) carried by an impeller (12)...
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6010316 |
Acoustic micropump
A micropump in which a fluid is pumped by the interaction of longitudinal acoustic waves and the fluid in the microchannel. The micropump having an acoustical transducer responsive to a...
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5917515 |
Ink jet printer having backup unit with any one or both of a pump mechanism and a nozzle cap mechanism
A backup unit is provided with respect to a nozzle of a print head for printing by injecting ink, and sucks the ink from the nozzle, the backup unit including: a nozzle cap sealing the nozzle by...
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5752813 |
Keyed cassette for dispensing pump
A method for the enhanced accuracy in dispensing from a fluid roller dispensing pump, wherein a keyed one way insertable cassette with pump compressible tubing is utilized with the fluid dispensing...
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5725363 |
Micromembrane pump
In a micromembrane pump with pump housing top and bottom parts and a membrane structure disposed between the housing top and bottom parts such that pump chambers, valves, flow channels and a cavity...
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5711656 |
Aquarium pump having silencing effect
An aquarium pump comprises an air cylinder provided therein with an air admitting chamber, an air inputting chamber, an air outputting chamber, an air discharging chamber, an air winding chamber,...
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5599173 |
Blood pump system
A pump system is described which is particularly suited for use as a left ventricular assist device for internal use in humans. The pump system generally includes a pump having a deformable sac...
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5588811 |
Air bed diaphragm pump
A diaphragm pump comprised of a shaft, means for rotating the shaft at a speed of less than 3,000 revolutions per minute, a first connecting rod connected to a first diaphragm and operatively...
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5577891 |
Low power portable resuscitation pump
A pump and a method for pumping liquid or fluid through a pair of resilient tubes includes a pushing mechanism which partially compresses the tubes in a balanced, alternating, rocking manner. The...
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5494415 |
Magnetically-driven pump
A magnetically-driven pump transferring fluid through a conduit is provided, having an electromagnet assembly selectively excited by a power source, and a non-ferromagnetic lever structure...
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5419687 |
Fluid pump and suction pump assembly including same
A fluid pump includes a housing constituted of a base integrally formed with an annular wall defining a fluid reservoir and carrying an electrical pumping device, and a casing enclosing the pumping...
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