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JP4626270B2 |
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JP4624038B2 |
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JP4621692B2 |
The liquid discharging device includes a driving mechanism that drives a needle, a measurement plunger member and an inlet valve member that are concentrically-arranged inside a container. The driving mechanism includes: a piezoelectric-...
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JP2011502081A |
This invention relates to devices and methods to deliver small amounts of fluid in a production environment.
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JP4615316B2 |
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JP4614564B2 |
To provide a liquid delivery device capable of accurately delivering an extremely trace quantity of liquid, easy in handling, capable of eliminating partial abrasion of a seal, and capable of miniaturizing a pump block. This liquid deliv...
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JP4611183B2 |
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JP4607279B2 |
An apparatus for feeding a fluid comprises a deposition head having a main surface, spaced feed ducts arranged on the main surface along a length of the deposition head for feeding the fluid and a channel formed on the main surface and e...
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JP4607406B2 |
Programmable, fluid pressure actuated blood processing systems (10) and methods are used in association with a blood separation device (18). The systems and methods employ a cassette (28), which contains several preformed, pneumatically ...
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JP4606576B2 |
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JP4598377B2 |
A plural component pumping apparatus (24) including a piston (66,68,70) and cylinder (72,74,76) for each component to be pumped. Reciprocation of the piston in the cylinder draws the component into the cylinder during an intake stroke of...
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JP4589623B2 |
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JP4587098B2 |
A pump apparatus comprises a piston, which is provided displaceably along a first chamber formed in a body under the action of a pilot pressure, an indirect medium composed of a non-compressive fluid and which is to be pressed by the pis...
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JP2010534788A |
For example, a hydraulic lubricator and a hydraulic piston for a fixed quantity supply system for cylinder lubricating oil in a marine engine will be described. This lubricator distributes at least one hydraulic piston 106 that can be pr...
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JP4547138B2 |
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JP4547103B2 |
To provide a method for operating a high-pressure pump of a filter press type dewatering equipment which facilitates the operation of the equipment, such as measuring instruments, of the filter press type dewatering equipment by simplify...
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JP4543986B2 |
A system including an inspection chip equipped with at least a pump connection having a flow path opening for interconnecting to a micro-pump, a flow path through which a fluid flows, and a fluid mixing section for joining and mixing two...
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JP4538153B2 |
A pumping method and arrangement, in which at least two chamber pumps (A, B) are operated in order to achieve a constant output flow. In the pumping procedure and arrangement, the entry chamber (110, 130) of the chamber pump is pre-press...
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JP4531328B2 |
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JP2010174817A |
To provide a syringe pump for feeding a dispersion liquid capable of stably feeding the dispersion liquid containing minute particles.The syringe pump for feeding the particle dispersion liquid while agitating it includes a piston, a rot...
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JP4517587B2 |
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JP4502629B2 |
A reciprocating pump is controlled by operating the reciprocating pump at constant angular speed except through the closed interval, and varying an angular speed of the reciprocating pump to maintain a constant pump discharge pressure th...
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JP4493911B2 |
The metering pump comprises a synchronous motor which is stepped down via a mechanical gear and the rotation movement of the motor is converted into a stroke movement which drives the membrane pump. To the motor there is allocated an ele...
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JP4489063B2 |
Apparatus to connect a medication reservoir (1) to a pump housing (30) comprises a cap (4) connected to the medication reservoir to be secured into the pump housing a tab (36) formed on the top of the cap (4) so as to provide a surface f...
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JP2010121626A |
To provide a pump for pressure feeding a fluid, particularly a pump for accurately metering and dispensing (or dosing) a liquid reagent for the selective catalytic reduction of nitrogen oxides in the exhaust gas stream of an internal com...
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JP4456143B2 |
A reciprocating pump particularly useful in ventilator apparatus includes a piston reciprocatable axially within a cylinder and dividing its interior into an inlet chamber and an outlet chamber, a wall fixed within the inlet chamber, and...
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JP2010011552A |
To provide a driving device for syringe pumps designed to move a pushing element of a syringe based on the principle of a linear motor, which smoothly moves the pushing element with a small moving amount per step without requiring precis...
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JP4388478B2 |
Dosing pump arrangement comprises a housing (10) containing a electrical drive (15), translation unit (16), a membrane pump (17) and a control unit. The housing consists of parts of a premixing device (19) in which the liquid reducing ag...
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JP4390862B2 |
A fluid delivery method and apparatus implementing active phasing to actively restore the substantially exact mechanical positions of driven components in a delivery system in order to precisely reproduce the mechanical signature and hyd...
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JP4384586B2 |
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JP2009542285A |
A device and method for delivering a fluid in the form of a high-speed micro-jet includes a container for accommodating a fluid which is to be delivered through an orifice of the container, and an actuator cooperating with the container....
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JP4370635B2 |
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JP4363773B2 |
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JP4358569B2 |
To realize stable pressure feeding of liquid to be conveyed at every predetermined quantity and to prevent occurrence of a fault from occurring. A liquid pressure feeding apparatus includes first and second pumps 21, 22 which suck a liqu...
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JP4344537B2 |
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JP2009228603A |
To provide a device for taking out a high viscosity object and a method for taking out the high viscosity object capable of taking out a small quantity of the high viscosity object easily and accurately in terms of weight.The high viscos...
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JP3153860U |
To provide a quantitative discharge device for obtaining a high-precision discharge amount when discharging a viscous liquid using a plunger pump. When a rod of a plunger pump is moved up and down, the rotational force of a servomotor is...
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JP4331465B2 |
A method for improving the fluid dispense rate in a metering system utilizing speed includes the steps of modifying the fluid flow rate profile during a portion thereof so as substantially increase or decrease the speed of the motor duri...
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JP2009191633A |
To provide a syringe type piston capable of accurately discharging liquid without requiring labor for filling the liquid.This syringe type piston is provided for reciprocating a piston in a cylindrical syringe for forming a liquid holdin...
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JP4322282B2 |
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JP4309970B2 |
The present invention relates to a pumping device for delivering and metering fluids, in particular medical fluids such as dialysis fluids, with a piston unit having a driving device and a piston and with a membrane unit which has a memb...
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JP2009167903A |
To prevent damage to a sealing part with particles and precisely supply a fixed quantity of high-pressure fluid even if the fluid to be supplied is a slurry in which particles are dispersed.A fluid housing chamber (3) and a driving liqui...
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JP2009526969A |
The present invention relates to a micro fluidic device for analysis of a fluid sample, especially for molecular diagnostics applications, comprising: -a substrate having a surface with at least one micro channel structure thereon; -at l...
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JP4295437B2 |
The present invention relates to a dispensing device (1) for a fluid (10), the dispensing device (1) comprising a reservoir (11), a shaft (12), a back seal (13), a damper (14), a piston (151) and a one-way valve (16), the back seal (13) ...
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JP2009133317A |
To provide a dispensing machine for dispensing and/or measuring fluid products, which is easily and economically manufactured and maintained, and can provide high accuracy and reliability with time even when erosive, corrosive, or abrasi...
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JP4276827B2 |
Pump comprises a first and a second chamber (12, 13), a first and a second plunger (2, 3) forming a first and a second volume with the chambers, a liquid connecting channel for joining the two volumes, a liquid inlet channel (10) connect...
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JP2009121483A |
To provide a new arrangement for synchronizing gradient generator by equalizing re-compression volume to re-compression volume of a high pressure pump.During the initial portion of the pumping stroke of a first piston in which fluid is b...
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JP2009121347A |
To provide a liquid supply pump to be provided in a drink dispenser capable of avoiding a problem wherein a user gets confused about a position, on which a cup is to be placed, when selecting a drink.A BIB 10 is housed in a refrigerator ...
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JP2009115056A |
To provide a pump for flow system laser ablation capable of stably supplying fixed amount of a solid matter without settling it in a laser ablation system.The pump for flow system laser ablation is used to supply fluid dispersion to the ...
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JP4267206B2 |
Apparatus to connect a medication reservoir (1) to a pump housing (30) comprises a cap (4) connected to the medication reservoir to be secured into the pump housing a tab (36) formed on the top of the cap (4) so as to provide a surface f...
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