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JP2007270689A |
To provide a micro-pump device for stably transferring a fluid at a very low flow-rate, continuously and quantitatively without causing pulsation. The micro-pump device 1 includes a plurality of elastic tubes 10 in which fluid is circula...
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JP3135680U |
To have a simple structure of an automatic liquid discharge device when a syringe is filled with a liquid and the rod ends have the same shape and can be mounted at the same position. A piston rod 3 of a commercially available syringe ma...
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JP2007239737A |
To provide a mixing pump device and a fuel cell having this mixing pump device, capable of supplying a plurality of fluids with mixed in the predetermined ratio, even if an operation stage of a pump is not detected. This mixing pump devi...
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JP3974178B2 |
PCT No. PCT/GB96/03258 Sec. 371 Date Aug. 4, 1998 Sec. 102(e) Date Aug. 4, 1998 PCT Filed Dec. 27, 1996 PCT Pub. No. WO97/24529 PCT Pub. Date Jul. 10, 1997A fluid delivery apparatus comprising two or more delivery syringes (17), each del...
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JP2007222548A |
To provide a supply/discharge pump device making the liquid volume of a supply system same to that of a discharge system of dialysate, when removing moisture from the body fluid, easily and highly precisely corresponding thereto and smoo...
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JP3958926B2 |
To provide a method and a system for dispensing a precise amount of fluid utilizing a rolling membrane pumping system. The method includes a process where the amount of changed dispense is calculated based on a membrane flex which is at ...
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JP2007187003A |
To simplify a structure of a fluid delivery device and keep delivery quantity of fluid substantially constant.The fluid delivery device 10 includes a delivery mechanism 18 provided with a cylinder vessel 16 and a servo motor 40, an inlet...
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JP3942388B2 |
To provide a micro-pump which is small and thin and capable of increasing the discharge quantity (moving amount) of a fluid and attaining high-speed responsiveness. This micro-pump includes at least one pump part, and is capable of feedi...
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JP2007170235A |
To provide a metering pump head assuring accurate and proper pump operation and having excellent durability, and its manufacturing method.A liquid is sucked into a chamber formed in a cylinder 18 by the operation of a piston 13 through a...
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JP3941657B2 |
To provide a paste discharging device, preventing the leakage of a paste out of a seal portion. A port change-over portion is formed in a pump mechanism for the paste discharging device for discharging the paste. By using it, a sealing m...
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JP3940170B2 |
The invention relates to a pump system for providing and maintaining a controlled outflow, comprising a couple of piston pump units (1a, 1b), having at least two cylinders (2a, 2b, 2c, 2d) each with a piston (3a, 3b, 3c, 3d) slidably arr...
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JP3931048B2 |
To suppress occurrence of pulsation to continuously and smoothly circulate and transport liquid and to substantially reduce installing space. Bellows 7 and 18 are provided so as to mutually face each other inside casings 6 and 17 fixed a...
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JP2007138740A |
To fill a predetermined amount of liquid into a container by a mechanically and electrically simple structure.When a piston 40 is lowered, an upper packing 49 is closed by receiving an upward pressure from the liquid and a lower packing ...
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JP3907138B2 |
To prevent the change of the mixing ratio of liquid caused by interference of pressure between pumps. A double-speed rotating time function is input from a keyboard by an operator and stored (S1). When a motor is rotated (S2), whether th...
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JP3903827B2 |
To satisfy both liquid replacement and pulsating flow absorption. According to a set liquid feed flow rate, a stroke position deciding part 24 changes a stroke position of a plunger of a downstream syringe pump to a predetermined positio...
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JP3898558B2 |
To provide liquid discharge equipment that can surely discharge the prescribed amount of liquid in a short period of time as well as making it possible to exchange the liquid quickly, easily, and surely. The liquid discharge device is co...
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JP3898149B2 |
To provide a quantitative distributor capable of changing discharge rate to restrict fluctuation of discharge rate, capable of quickly filling the content into a route from the quantitative distributor to a content filling point, and all...
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JP3892073B2 |
PURPOSE: To reduce delivery pressure changes of a fixed displacement pump despite of a simple and inexpensive structure, by amplifying output signals of a filter circuit which passes only frequency signal components of the delivery press...
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JP3890347B2 |
When a plurality of liquids are simultaneously sucked using a plurality of suction paths connected to a single pump, one suction end may hinder other acts of suction. A multiple valve for connecting each suction path and the pump in a on...
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JP2007051645A |
To provide a metering pump provided with a rotary drive motor and an oscillating piston.A rotary motion of the drive motor is transformed into an oscillatory motion of a connecting rod by means of a gear arrangement and a displacement me...
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JP2007504392A |
A dosing pump for a liquid additive in fuel of a heavy fuel engine includes a piston, a cylinder, and a high resolution linear actuator, including a motor driven by a controller, for moving the piston axially in the cylinder. The pump in...
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JP2007502939A |
A metering pump for providing relatively small, precise volumes of fluid is provided. The pump piston and/or the interior of the cylinder has a surface finish exhibiting a roughness average within selected limits and a vapor deposited po...
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JP3878552B2 |
A fluid dispenser pump comprising a pump body (10) containing a pump chamber (11) defined between an upper piston (20) and a lower piston (30), the pistons (20, 30) being mounted to slide in leaktight manner in the pump body (10), the pu...
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JP2007009834A |
To provide a stroke variable reciprocating device in which the compression ratio of piston reciprocating motion in reciprocating internal combustion engine can be continuously changed through a mechanism that is simple and small in incre...
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JP3864695B2 |
To prevent fatigue deterioration of an elastic tube, extend the service life of the elastic tube, and ensure correct constant amount delivering operation over a long period. This device is provided with a body 2, having one press roller ...
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JP2006348780A |
To provide a liquid feeding device of a simple control and limited manufacturing cost, and capable of continuously and stably feeding liquid under various liquid feeding conditions.The liquid feeding device is provided with a liquid feed...
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JP3861060B2 |
To constantly execute operation without pulsation in a non-pulsation pump by automatically compensating pulsation which is varied in accordance with change of its operation conditions. Decrease of delivery quantity in an initial stage of...
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JP3859807B2 |
To provide a liquid discharging device that can discharge liquid constantly without liquid leakage and liquid stagnation. An inner valve 11 for opening/closing a discharge port 10A, a discharge member 12, and an outer valve 13 are concen...
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JP2006316763A |
To provide a mechanical pressurizing device equipped with a cam mechanism and a plunger reciprocated by the cam mechanism, having a simple structure with a little pulse, and suitable for an ultimizer system.An advancing cam plate and a r...
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JP3836306B2 |
To provide a printing equipment whose structure is simple and capable of controlling ink flow. Inside the fluid pass framework 2 capable of passing through ink 5 is blocked out by mainframe 1. Plenty of fine elastic bodies 3 are provided...
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JP2006274892A |
To supply concentrate solution of mold release agent to spray it on, for example, a metallic mold surface of a die-cast machine, by detecting presence/absence of the spray and exactly measuring and trapping the spray even if a spray amou...
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JP2006266177A |
To provide a chemical liquid dilution and mixing device capable of surely bleeding air entrapped in a pipe, easily performing air bleeding operation at a short period of time without making a hand touch a chemical liquid and discharging ...
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JP3125386U |
A precision fluid dispensing system containing at least one two-piece pump and a precision closed loop controller drive system to address the small volume precision dispensing requirements of bioscience applications. A multiple diameter ...
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JP2006520875A |
Mix and air combine in a mixing chamber of a housing of a frozen product system to form a mixture. A cap received in one end of the housing includes an air inlet, a mix inlet, and two mixture outlets. An integral orifice received in the ...
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JP2006214287A |
To provide a liquid constant feeder, accurately feeding an ultra low volume of liquid quantitatively and continuously in simple constitution.In this liquid constant feeder, a liquid in a cylinder is caused to run out from the discharge s...
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JP3810832B2 |
To facilitate the recycling of a pump without using a metallic spring to improve the durability by allowing a lip of an exhaust valve to close an outlet orifice with respect to a center shaft so that an outlet valve member can enough wit...
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JP3809994B2 |
To eliminate problems of a high speed and highly accurate fixed quantity discharge for liquid and to provide a method and device for discharging liquid at the high speed and with high accuracy. This method is a fixed quantity discharging...
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JP2006205164A |
To provide a coater for coating a coating material, which can reduce and preferably can avoid drawbacks of the conventional coater, and to provide a coating method and a pump mechanism for a coater.The drawbacks of the conventional coate...
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JP3801806B2 |
To provide a pump system of superaritical water reaction device, which has high operation reliability of pumping. The pump. system 50 is a part of a pump system of the supercritical water reaction device and is provided with 2 flow rate ...
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JP2006177332A |
To provide a dispense pump for sucking and discharging reagent capable of being miniaturized and reducing its weight greatly by a compact mechanism having a simple structure and improving precision of amount of suction and discharge.A dr...
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JP2006144740A |
To provide a micro pump capable of accurately pumping liquid at hundreds nano liters unit without providing independent check valve and with a simple structure, and a liquid supply device and a liquid supply system using the micro pump.T...
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JP2006122165A |
To provide a formaldehyde generating device generating mixture gas of controlled concentration ratio of formaldehyde and vapor.The formaldehyde generating device is provided with a formalin tank 3 storing saturated formalin solution, a c...
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JP3774435B2 |
To provide a variable stroke plunger pump capable of adjusting delivery quantity by a pure mechanical mechanism which has very little chance of malfunction even if it is exposed to severe natural environment such as thunder, wind and rai...
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JP2006118478A |
To provide a pump capable of effectively suppressing response delay by considering an eddy current loss and a natural frequency.This pump can solve problems on responsiveness by determining the diameter or thickness D of a first ultra ma...
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JP2006104965A |
To provide a liquid delivery device, lightly drivable, and capable of preventing liquid leakage to an external part with a simple constitution.A pump 10 is operated by a driving mechanism composed of a motor part 50 and a transmission pa...
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JP2006097670A |
To provide a syringe pump incorporating a pressure gauge for enabling automatic calibration of clogging detection pressure, and facilitating maintenance and inspection.The pressure gauge 7 is installed in the syringe pump 1 to be control...
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JP2006083769A |
To provide a variable volume controller for pressurized fluid capable of taking out predetermined amount of fluid to the outside while maintaining predetermined pressure of fluid in fluid equipment and pouring only predetermined amount o...
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JP2006070719A |
To provide a high viscosity pump head for supplying high viscosity coating liquid or coating liquid of a system dispersed with fine particles such as fillers and microcapsules without pulsation to a coating device for applying the coatin...
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JP2006508295A |
A hydraulic motor comprises a body and a piston able to slide in a reciprocating movement in a cylindrical housing of the body. A chamber (C 1, C 2 ) is formed on each side of the piston and hydraulic switching means are provided for fee...
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JP2006063850A |
To provide a reversible valveless pump with a simple structure, capable of transferring constant amount of fluid and easily changing the transferring direction of the fluid.This reversible valveless pump is provided with a cylinder 3; a ...
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