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JPS6236159B2 |
A mobile phase supplying method in a liquid chromatography which is characterized in a disposition of a second plunger pump unit, in addition to the conventional way of employing one plunger pump unit (a first pump). The second plunger p...
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JPS6234949B2 |
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JPS62165586A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS6232354B2 |
An ink liquid supply system for an ink jet system printer comprises an ink liquid reservoir for containing ink liquid therein, and a constant flow rate pump for supplying the ink liquid to a nozzle. The constant flow rate pump comprises ...
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JPS6226625Y2 |
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JPS6231195B2 |
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JPS6297276U |
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JPS62118071A |
A driving arrangement for a pump, especially a liquid metering pump, includes a pump tappet mounted on a support for displacement in and opposite to a predetermined direction during a pumping and a return stroke thereof, respectively. A ...
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JPS62118081A |
A pump in accordance with the invention has moving equipment (32) driven by a reversible synchronous motor (42) whose windings (44, 45) are connected to a power source by means of optocoupled triacs (48, 49) which, under microprocessor c...
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JPS6278371U |
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JPS6220395B2 |
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JPS6216842Y2 |
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JPS6285185A |
PURPOSE: To enable control of a delivery amount of a pump with high precision, by a method wherein, based on a delivery pressure increasing velocity during rise of a delivery stroke, a pressure loss is calculated, and based on the pressu...
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JPS6264913A |
In a driving device of the piston-flowmeter type, in particular for a proportioning pump, a distributor is mounted at one end of a piston cylinder for controlling the admission and discharge of fluid within two chambers formed respective...
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JPS6211341Y2 |
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JPS6251764A |
An arrangement for the volume-controlled feed of a medium, e.g. a liquid, in an outer flow system, comprising a movable pump piston (10) and a metering chamber (20) in connection, or connectable, to the flow system via a valve-controlled...
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JPS6234179U |
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JPS6245981A |
PURPOSE: To prevent the holding time for a sample component from being varied by the variation of the environmental temperature and the temperature of a chamber by using a fluid pump which keeps the mass flow-rate always constant for chr...
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JPS6229483U |
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JPS6228090U |
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JPS626287Y2 |
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JPS6221482U |
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JPS6229772A |
PURPOSE: To enable a stroke of a plunger to be continuously variably adjusted, by enabling an eccentric amount of an eccentric cam, which drives the plunger of a pump, to be adjusted by a tilting rod. CONSTITUTION: A pump, rotatably pivo...
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JPS6214172U |
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JPS6212777U |
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JPS621919B2 |
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JPS627981A |
PURPOSE: To adjust the stroke of a pump even in the case when the pump is in operation by reducing the load applied onto an eccentric cam by allowing a reciprocating movement member to act a force always in the discharge direction for a ...
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JPS621432Y2 |
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JPS61192581U |
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JPS6154674B2 |
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JPS61184882U |
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JPS61258975A |
PURPOSE: To facilitate discharge of air from within a pump by arranging both suction side and discharge side channels in a straight line together with a front end surface of a cavity and by arranging an auxiliary channel communicating fr...
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JPS6152404B2 |
A system and method for automatically metering and dispensing a plurality of fluids such as paint components is disclosed, including an operator input station for selecting the desired combination of metered fluids, a scanner drive subsy...
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JPS6139197Y2 |
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JPS61252882A |
PURPOSE: To enable the stepless control of pump delivery by changing the phase difference of a plurality of hydraulic pump plungers actuating a diaphragm. CONSTITUTION: For one diaphragm 2, there is provided a plurality of plungers 10 an...
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JPS6139111Y2 |
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JPS6137828Y2 |
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JPS6137829Y2 |
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JPS6137827Y2 |
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JPS6148632B2 |
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JPS61167487U |
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JPS61226579A |
PURPOSE: To facilitate flow control by connecting a volume control chamber to a pump chamber and adjusting the retreat restricting position of a volume control piston in the volume control chamber, utilizing the pressure in a discharge p...
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JPS61162580U |
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JPS61157180U |
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JPS61215466A |
PURPOSE: To enable reduction of pump driving force by varying the timing for communicating/interrupting between an oil relief path and an oil relief port at the initial stage of compression stroke of plunger in variable capacity piston p...
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JPS61178571A |
PURPOSE: To make the mixing ripple min. by making the pressure in a pump chamber equal to the outside pressure when switching to the process in which the third pump chamber which inhales the liquid discharged from the first and the secon...
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JPS6133995B2 |
The flow of fluid from a constant output positive displacement pump entering an outlet line directed to a consumer may be varied by periodically interrupting this flow and directing the flow instead into a zero pressure pump reservoir. T...
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JPS6131813B2 |
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JPS61160584A |
PURPOSE: To make such a measuring pump as being excellent in accuracy securable, by setting up a stopper, regulating a stroke, in a driven piston, while moving a driving piston, forming an operating chamber in space with the driven pisto...
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JPS6131317B2 |
An electromagnetic fuel delivery pump is formed by a combination of a diaphragm pump and a metering pump. Each of the pumps have working chambers and flow control valves are arranged to enable interconnection of the working chambers when...
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