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Patent Searching and Data


Matches 801 - 850 out of 2,522

Document Document Title
JP2008088949A
To provide a positive displacement pump capable of increasing discharge flow with high frequency of volume change of a pump chamber and high proportionality of discharge flow in the positive displacement pump comprising the pump chamber,...  
JP4060273B2  
JP2008506068A
A precision supply pump is equipped with the housing which has an internal chamber arranged inside. A pressurization assembly object is arranged in a chamber, and is equipped with the cylindrical pressurization component which has a head...  
JP2008025515A
To provide a plunger pump type liquid delivery device excellent in flexibility of delivery quantity adjustment and capable of extending product life.Two motors of a servo motor 14 for rotation and a servo motor for reciprocation are used...  
JP2008019823A
To provide a control method of a liquid constant feeder capable of conducting a pulse-free operation by a simple control without using a pressure sensor in a feedback process as pressure adjustment by a torque calculation is conducted in...  
JP2008501518A
The present invention relates to the heiress distribution pump for liquid products. The pump of the present invention is characterized by it by consisting of a push button (1) equipped with the network of the channel locally offered on t...  
JP4036431B2  
JP4037040B2  
JP2008008232A
To provide a metering liquid pump and a chemical liquid applicator using the same capable of applying a chemical liquid such as a resist solution with a uniform and accurate discharge amount and at discharge pressure.The metering liquid ...  
JP2008002453A
To provide a mixing pump device which can prevent a variation in the concentration of the liquid flowing out of respective outflow paths when allowing a liquid mixed in a pump chamber to flow out of a plurality of outflow paths, and a fu...  
JP2008002454A
To provide a mixing pump device which can prevent a variation in the concentration of the liquid flowing out of respective outflow paths when allowing a liquid mixed in a pump chamber to flow out of a plurality of outflow paths, and a fu...  
JP2007330821A
To provide a pump and an exhale valve assembly which are suitable for an artificial respiration apparatus. The reciprocating pump, which is suitable for a ventilator and can reciprocate axially in a cylinder 10, comprises a piston 13 div...  
JP4025646B2  
JP2007327476A
To provide a metering pump and a chemical injection system using this pump, capable of setting the concentration in a fine range. This metering pump is constituted to be intermittently driven in response to an input state of a pulse sign...  
JP2007327845A
To perform liquid feeding wherein connection/switching is smooth and sure between a feeding stage and a compression stage of a solution by using a structure suited for accurate and sure minute-amount liquid feeding and also suited for la...  
JP2007327449A
To accurately restrain reduction in a delivery quantity in the initial stage of a delivery period caused by looseness of a mechanical system, in a non-pulsation pump using a reciprocating pump. The reduction in the delivery quantity in t...  
JP4024639B2  
JP2007536464A
The present invention relates to the method of long-term lubrication of the lubrication point (16) over several years especially as preferably as the measurement pump for lubricant (1). The above-mentioned measurement pump (1) is provide...  
JP2007306992A
To provide a syringe pump providing improved transfusion accuracy regardless of the capacity, kind or manufacturer of a syringe when setting the syringe in an immobile state at a fixed position, setting a syringe pusher to a slider and t...  
JP2007303279A
To solve a problem in which it takes time to set delivery quantity and a load on a worker is high since an oscillation fulcrum for adjusting the delivery quantity of a pump provided at a middle of an oscillation crank is moved by rotatio...  
JP2007291857A
To provide a metering pump device highly accurately performing metering discharge, even when pressure difference is generated between both sides of an outflow-side valve. In the metering pump device 1, two reciprocating pump devices 10A,...  
JP3136809U
[Subject] A piston does not need seal part articles, such as O ring, but can form them by a single member, and it enables it to provide it cheaply. [Means for Solution] Projection ring 3 of a diameter of a large is formed in the piston p...  
JP2007292008A
To provide a plunger pump with a stroke adjuster capable of simplifying a stroke adjustment mechanism for mechanically controlling operation and reducing the cost in view of that an electric control circuit is expensive and failure is ca...  
JP2007287831A
To provide a technology to remove a treatment liquid and particles attaching to the side face of a piston and to keep the lubricity between the piston and a seal member in a syringe pump and a substrate treatment apparatus using the same...  
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...  
JP3135680U
[Subject] When シリンジ is filled up with liquid, if a rod end can equip the same position in the same shape, an automatic liquid discharge device will serve as a simple structure. [Means for Solution] Axis right-angled section shape...  
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...  
JP3974178B2  
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...  
JP2007205309A
To provide a reciprocating pump which conveys a proper amount of fluid as needed while conveying the fluid regularly. In this reciprocating pump, a drive part 40 is driven with a drive pulse signal 6, internal pulse signals 1 are generat...  
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 ...  
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...  
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...  
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...  
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...  
JP3940170B2  
JP2007515581A
The present invention relates to the 調量 pump assembly (9) applied to making the flow of an exhaust gas mix a liquid reducing agent. This 調量 pump assembly is constituted including the assembly housing (10) which accommodates an el...  
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...  
JP2007139719A
To make a syringe pump compact and light weight, and to provide the syringe pump which can inject a minute amount of reagent along an inner wall of a reaction vessel from a needle, and is best suited for being used in an organic synthesi...  
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 ...  
JP2007509647A
The stator housing (28) which is a pump system for carrying out subcutaneous part delivery of the liquefied medicine, and is equipped with a chamber (30), It is accepted so that a slide in the direction of an axis is [that rotation is po...  
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...  
JP2007092750A
To provide a magnetic drive metering pump of simple and low-cost structure provided with variable and more larger operation range by solving a well-known fault related to hydraulic performance in a metering process.In this magnetic drive...  
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...  
JP2007077848A
To provide a syringe pump capable of accurately and easily deliver a desired quantity while preventing breakage of a syringe.This syringe pump 1 is provided with a main body 21 provided with a retaining part 93 retaining the syringe 6 in...  
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...  
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...  
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...  
JP3890347B2  
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...  

Matches 801 - 850 out of 2,522