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JP05010274 |
PURPOSE: To meter and distribute precision volume of fluid from a plurality of output ports formed continuously on a metering pump piston, and balance the fluid discharged from the plurality of output ports irrelative of pressure differe...
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JP04365977 |
PURPOSE: To eliminate difference in discharging amount due to air compression or to difference in frictional resistance between plunger and a cylinder inner wall by changing pressure to the plunger from air pressure pressurization to mec...
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JP04339181 |
PURPOSE: To reduce a working quantity for preparation at setting a discharge quantity of a constant quantity discharge device. CONSTITUTION: A constant quantity valve 1 is provided with an air piston 9 driven by air supplied or discharge...
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JP04301187 |
PURPOSE: To provide a fluid delivery device for delivering a plurality of fluids to one or two reacting or processing containers in sequence. CONSTITUTION: A means to position a diaphragm 45 between a first position to prohibit fluid com...
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JP04294155 |
PURPOSE: To keep the ink discharge quantity constant regardless of a temperature change by setting ink discharge pressure balancing with a desired ink flow rate on the basis of an observed value. CONSTITUTION: A solenoid valve is closed ...
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JP04287875 |
PURPOSE: To change the liquid feed quantity of a duplex type plunger pump for actuating a pair of plungers alternately. CONSTITUTION: A pair of small stroke cams 21a, 21b for actuating a pair of plungers 12a, 12b respectively are fixed f...
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JP04272484 |
PURPOSE: To provide a valveless positive displacement pump which is capable of regulating the flow rate, and easily being manufactured, efficient and economical, and its manufacturing method. CONSTITUTION: A hinge to regulate the angle o...
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JP04272485 |
PURPOSE: To provide a valveless pump to mix or divide he fluid. CONSTITUTION: A valveless pump 10 includes a cylindrical working chamber, first, second and third passages to be connected to this working chamber at the first, second and t...
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JP04241778 |
PURPOSE: To perform automatic metering supply of a material with simple and cheap constitution by closing a suction port with one pipe-shaped piston for drawing in a viscous unit, and further quantitatively delivering a contained materia...
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JP04237880 |
PURPOSE: To prevent the inside of an inlet chamber from turning to negative pressure, and eliminate any pump noise and pulsatory pressure attributable to the negative pressure as well as to reduce a noise due to cavitation so sharply by ...
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JP04234578 |
PURPOSE: To provide a pump device for and a method of feeding liquid or supercritical fluid at a desired pressure with which the flow rate minimumly varies, and at a flow rate. CONSTITUTION: Fluid is led into an inlet valve of a first pu...
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JP04228881 |
PURPOSE: To spray a constant rate of a homogeneous mixture against a base surface while supplying resin and catalyst to a resin spray gun with a constant pressure. CONSTITUTION: A double-acting positive displacement pump has piston rods ...
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JP04228880 |
PURPOSE: To adjust a stroke timing of a piston in respect to inflow and outflow ports of a valveless metering pump. CONSTITUTION: A metering pump of this type includes a housing 22, a piston 82 including a duct 86 defined by an outer sur...
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JP04224287 |
PURPOSE: To obtain a moving equipment for giving a reciprocating to a diaphragm of a diaphragm pump in which an adjustable stroke is mechanically actuated. CONSTITUTION: This moving equipment has a slider 8 mounted in a fixed guide 13 an...
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JP04219475 |
PURPOSE: To make a metering pump accurately pressure-feed a constant quantity of liquid. CONSTITUTION: A metering pump 1 is composed of a pump body 5 which is provided with an inflow port 5b below a flow path 5a extending vertically and ...
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JP04203478 |
PURPOSE: To obtain a fixed quantity pump which can suck and discharge plural liquids and can discharge dividing into plural passages by providing plural outlets or inlets, and communicating at least one outlet or inlet to a fixed quantit...
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JP04164164 |
PURPOSE: To lighten the fuel noise due to the pulsation combustion and generate a quiet state even if the discharge quantity of fuel is less, by forming a plurality of orifices in parallel in a fluid passage on the discharge side, and in...
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JP04112979 |
PURPOSE: To continuously supply at least 3 types of liquid agent at a stable and accurate rate which is freely adjustable by arranging at least three pumps with respective pump shafts in parallel, and putting the respective pump shafts i...
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JP04109080 |
PURPOSE: To increase an overlapping part in the neutral zone of a pump and to prevent unnecessary discharge of a pressurized fluid by interrupting a restricted opening from a neutral passage when a cam ring is in a displacement position,...
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JP04101080 |
PURPOSE: To prevent a diaphragm from being reversed so as to heighten the smoothness of operation in a device provided with two pump bodies having diaphragms by dividing the pump shaft of one pump body into two, and constantly applying p...
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JP04086389 |
PURPOSE: To allow the minute flow rate control of a liquid to an external factor by providing a piezoelectric micropump, a detecting part for detecting external environment, and a flow rate control circuit for driving the piezoelectric m...
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JP04086388 |
PURPOSE: To mix several kinds of liquids and branch a liquid of the same kind to several positions, in a pump formed of at least a micropump utilizing a piezoelectric element and a passage by providing a plurality of passages and constit...
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JP04050479 |
PURPOSE: To observe the slide position of an end part of a rod, count the number of piston actions easily, and determine a discharge quantity correctly by providing a first piston on the drive side or a second piston on the driven side w...
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JP04050478 |
PURPOSE: To prevent a measuring error due to expansion or the like of a tube, and achieve a high precision measurement and discharge by providing a discharge port disposed at a position covered with a cylinder forward end aperture in the...
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JP04036073 |
PURPOSE: To miniaturize a variable displacement high pressure pump and reduce the weight and manufacturing cost of the pump by forming a pump using the inner peripheral face of a cylinder and the end face of a plunger, and providing a fu...
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JP04031672 |
PURPOSE: To minimize shock at the time of switch-over between on-load and un-load by providing a main pump circuit and a sub pump circuit with relief circuits respectively, and thereby lowering the set pressure of the relief circuit on t...
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JP04031671 |
PURPOSE: To adjust the discharge of handling fluid such as syrup in a wide range by constituting a piston to be moved based on the lead of a screw while a driving body is rotated with a motor operated, and thereby restricting the revolut...
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JP04027772 |
PURPOSE: To obtain a simple and compact device by arranging pump chambers of two plunger pumps serially, arranging reciprocating plungers parallelly, and driving terminals of the plungers on the driving side by means of a rotary shaft pr...
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JP04022768 |
PURPOSE: To adjust a syrup discharge quantity in a wide range corresponding to diversification of drink selling by providing a reciprocating pump part composed of a plurality of cylinders and pistons arranged in parallel and driving shaf...
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JP04022769 |
PURPOSE: To continuously supply and a lot of syrup and adjust a syrup discharge quantity in a wide range corresponding to diversification of drink selling by providing a small sized reciprocating pump and the like having a pair of cylind...
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JP03290064 |
PURPOSE: To change the length of a pump stroke as keeping acceleration and deceleration constant by installing an axially movable braking device for a driving piston additionally in the piston driving a metering distributive reciprocatin...
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JP03199684 |
PURPOSE: To reduce the cost and size of a spool valve, and improve spacing efficiency of a pump by composing a throttle means which controls the opening of the intake passage of a variable displacement pump, of the spool valve which resp...
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JP03189376 |
PURPOSE: To execute the stable feed of liquid by providing a gas cylinder device to held a can body and elevate it and securing a suction pump and a retraction member in a given level. CONSTITUTION: Gas is first fed to a gas cylinder dev...
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JP03184889 |
PURPOSE: To simply detect the residual amount of ink by mounting a controller counting the number of times of the driving of a pump supplying the ink in an ink container to a plate cylinder to calculate the residual amount of the ink in ...
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JP03179176 |
PURPOSE: To improve the extent of sealability as well as to enable a constant flow of oil to be stably supplied little by little by selecting the angle of a seat surface so as to make a closing ball contact with it in line contact at the...
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JP03170817 |
PURPOSE: To make it possible to distribute a specific volume of fluid from storage means to a circuit board by selecting the specific volume of fluid according to a program type control signal. CONSTITUTION: An injection cylinder 40 is s...
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JP03168369 |
PURPOSE: To carry out automatic transfer of liquid at an optional speed in a steady flow by sucking a required quantity of liquid into the inside of a cylinder, and by delivering the liquid while controlling the pushing-out action of a p...
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JP03124981 |
PURPOSE: To obtain the pressure-flow characteristic linearly following a preset value in the full-pressure region by reducing the amplitude of a flow setting command signal by the correction flow according to the measured electric quanti...
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JP03117687 |
PURPOSE: To reduce the mechanical abrasion of a compression ring by setting a distance between a compression chamber and a seal disc, a position of a stop ring and a stroke of a tappet. CONSTITUTION: When a tappet 21 continues its suctio...
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JP03070883 |
PURPOSE: To feed painting agent from respective pump bodies in stable ratio by connecting respective pump shafts of two pump bodies provided with diaphragm each other through a connecting means having a lever body of which supporting pos...
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JP02286882 |
PURPOSE: To facilitate maintenance of a servo unit for adjusting the stroke, by transmitting the amount of displacement of a lead screw in the form of a rotational amount to a rotary shaft fixed to the servo unit through a coupling membe...
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JP02227794 |
PURPOSE: To electrically regulate a syrup discharge quantity by providing a control part which forward drives a motor until the number of pulse signals corresponds to the prescribed number of pulses according to a necessary syrup quantit...
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JP02225768 |
PURPOSE: To securely impart the solidification accelerating agent by assembling a driving unit of a solidification accelerating agent imparting device in a displacer circuit, and operating a reciprocating driving piston in response to th...
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JP02147953 |
PURPOSE: To perform non-pulse liquid transfer with any back pressure and flow rate by a method wherein a first cam and a second cam are made into a shape wherein total discharge amount of a pump and a damper can be always kept constant o...
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JP02140470 |
PURPOSE: To define a return flow correctly by coupling a venting means toward a return pipe to a diaphragm, opening the venting means during a pressure stroke and closing during a suction stroke. CONSTITUTION: Driven by a motor 34, a met...
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JP02125978 |
PURPOSE: To enable two kinds of fluids to be sucked, mixed and then sent as one kind of fluid by connecting a plurality of suction pipes and an exhaust pipe to a pair of pump chambers for suction and exhaust in compensation for each othe...
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JP02111425 |
PURPOSE: To dilute a liquid feed concentrate in a single mixing chamber by driving a plunger back and forth in such a manner that predetermined amts. of the liquid feed concentrate and diluting medium may be alternately housed and the ev...
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JP02108869 |
PURPOSE: To easily enable the fine adjustment for capacity increase or decrease by applying the constitution wherein a movable division is so moved and corrected that a measured flowrate reaches a desired level and the stroke of a piston...
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JP02102383 |
PURPOSE: To make it possible to reduce or increase a minute amount of volume by providing a movable partition wall which furnishes a suction port and an exhaust port to a cylindrical container in which a reciprocating piston is installed...
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JP02086968 |
PURPOSE: To get rid of any section where liquid feeding cannot be done, despite a single plunger pump by separating a chamber in which a plunger is reciprocated, into a main chamber and a sub chamber, and installing each check in an inle...
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