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Document Title |
JP4654378B2 |
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JP3166081U |
To discharge a certain amount of liquid desired by a user, to have no resistance to reciprocating movement of a piston, to discharge dust generated in a metering pump to a predetermined place, or to inactivate the metering pump. Provide ...
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JP4634085B2 |
A multi-channel pump includes a pump chamber, an inflow passage connected to the pump chamber, two or more outflow passages connected to the pump chamber, outflow side active valves provided so as to correspond to the outflow passages, a...
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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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