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JP3705373B2 |
PURPOSE: To supply flui having a very small amount of fluid correctly and stably with a simple structure. CONSTITUTION: In an electromagnetic pump 1 composing one way valves 12, 21 for opening/closing respective two oil passages 10, 17 o...
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JP3704297B2 |
To provide a discharge flow rate measuring method for an electromagnetic plunger pump eliminating a conventional defect that there is a difference between an atmosphere load state of a pump discharge side and internal pressure of a carbu...
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JP2005273592A |
To increase the amount of blowing air while heightening static pressure and to protect electronic components from heat by suppressing the calorific value of a motor.This centrifugal fan 1 is provided with an impeller of long cylindrical ...
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JP3702028B2 |
To prevent break of a device beforehand by providing with an abnormal displacement detecting means for applying energizing force to a bottom dead point side on a piston and also detecting contact of a movable body when the piston which i...
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JP2005264780A |
To provide a multi-stage rotary compressor capable of increasing the amount of an oil sealed in a closed container and efficiently separating the oil in the closed container.An electric element 5 and a rotary compressing element 6 are ve...
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JP2005264923A |
To provide a linear compressor with a stator for moving forward and backward a needle in linkage with a piston.The stator 40 has a coil body 41 to which a power supply is applied to form a magnetic field and an outside core 42 provided o...
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JP3701039B2 |
PURPOSE: To improve efficiency of a vibration type compressor which adopts a battery as a driving source by driving a vibration type compressor by means of ac voltage which is agreed with vibration frequency of a vibration type compresso...
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JP2005256833A |
To provide a linear compressor for canceling out vibration of a specific frequency band transmitted from a reciprocating piston to a sealed vessel.A stopper 60 prevents a cylinder block 21 from coming off, and has a dynamic vibration abs...
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JP2005528196A |
Electroosmotic flow systems containing two or more electroosmotic flow (EOF) elements (1,2) which meet at a junction (9), at least one of the electroosmotic flow elements having a substantial charge ratio. The electroosmotic flow element...
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JP3697273B2 |
PURPOSE: To make a VVVF (variable voltage and variable frequency power supply device) multiplex or polyphase for application to an electromagnetic pump of large capacity and the reduction of the effect of a high-frequency component on a ...
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JP2005527729A |
The connection fitting (4) has a fuel line connection (5) and a socket (12) for a plug (7) provided with electrical contacts (6) for connecting the electric motor of the fuel pump to a current network, the connection fitting and/or the p...
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JP2005248809A |
To provided a fluid machine provided with both of a pump mode compressing and delivering fluid and a motor mode converting fluid pressure at a time of expansion to kinetic energy and outputting mechanical energy, capable of satisfying ca...
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JP2005245199A |
To provide an oil pump of high reliability driven by the electric motor.The oil pump is electrically driven, and oil fed out from the oil pump is allowed to partly flow in a rotor and a stator of the electric motor for driving the pump. ...
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JP2005233183A |
To provide an electro-hydraulic power converter having a rotary cam hydraulic power section providing for improved efficiency, cost, dimensions, mounting property and reliability.This electro-hydraulic power unit includes a housing fille...
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JP2005226652A |
To provide an air pressure accumulating structure utilizing wind force to compress air and utilizing it as a power source for useful energy for power generation.A rotating shaft 30 extending to the vertical direction is rotatably install...
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JP3685893B2 |
To reduce the number of parts more than that of a conventional type and reduce the whole size of a device. This pump is provided with a case body 3 in which a motor chamber 11 and air compression chambers A, B are formed, a diaphragm 10 ...
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JP3686475B2 |
To prevent the collision of a piston caused by the increment of piston stroke due to the change of operational pressure, etc., and the occurrence of breaking and operation noise of a piston, a suction valve, and a discharge valve in a vi...
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JP3686460B2 |
To prevent the occurrence of noises and vibration in a vibration-type compressor used in a refrigerating cycle. This compressor comprises a cylinder supporting spring 41 whose one end abuts on a hermetic easing 2 and other end abuts on a...
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JP2005220910A |
To provide an oil pump for an automobile transmission which has improved efficiency over all operation ranges and in which a discharge flow rate preferably has no relation with speed of an internal combustion engine.In the oil pump for t...
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JP3683343B2 |
To provide an electromagnetic pump which is made of synthetic resin and in which parts can be fixed mutually and easily. In an electromagnetic pump, a case 11, a coil bobbin 12, at both ends of which are formed a flange parts 12B, 12C as...
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JP3683316B2 |
To provide a power feeder for an excitation coil which improves efficiency of power consumption and decreases generation of heat. When chopper circuits 35, 36 are simultaneously turned on, currents from a DC power source 31 and a capacit...
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JP2005214014A |
To provide a pump capable of preventing worn powder and worn scraps produced by the sliding of an interlocking shaft on a bearing from being mixed in a pump supply fluid in a pump chamber, and facilitating the adoption of a synthetic res...
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JP2005214413A |
To provide a support device of compressor capable of improving the support performance and vibration proof effect of the compressor which can be easily produced and assembled and prevents the spring separation when vibrating the compress...
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JP2005204903A |
To provide a forced exhaust mechanism, compact and inexpensive, and reducing air leakage even at high pressure.This pump unit for a hemadynamometer includes: an exhaust hole 38 bored in an intermediate plate 10b; a valve element 39 made ...
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JP2005201268A |
To provide an air pressure accumulating structure, which makes use of a buoyancy exerted on a hollow floating body to compress air for utilizing the same as a power source, for example, as a useful energy source for generating electricit...
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JP3676410B2 |
PURPOSE: To simplify a circuit and to reduce cost by a method wherein by taking a timing at which, during an OFF-period of a bipolar transistor, restora tion to the vicinity of OV of an antielectromotive voltage generated by a vibra tion...
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JP2005195026A |
To precisely control the reciprocation of a piston, and to reduce the size of a linear compressor.This linear compressor includes a reciprocating piston, a linear motor driving the piston, and a motor control part controlling the linear ...
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JP2005522162A |
The invention describes devices for performing thermodynamic work on a fluid, such as pumps (340), compressors and fans. The thermodynamic work may be used to provide a driving force for moving the fluid. Work performed on the fluid may ...
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JP2005195023A |
To provide a linear compressor having an external vibration-proofing structure capable of increasing even vibration absorbing efficiency since a vibration absorbing mechanism can be freely designed by forming the vibration absorbing mech...
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JP2005195022A |
To provide a linear compressor enabling the further reduction in the size of a compressor by reducing the size of a closed container and the diversification of the design of the compressor.This linear compressor comprises the closed cont...
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JP3672511B2 |
To deodorize before and after combustion with a simple structure. An electromagnetic plunger 10 slidably and reciprocatingly engaged inside an electromagnetic coil 7 of a pump incorporates an inlet check valve and has a cut valve 15 at t...
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JP2005518849A |
The actuator which is placed in contact with a biological solvent comprises a housing (12) with a wall (14) which is permeable to the solvent and impermeable to a first solute. The housing contains hollow fiber bundle colonized by microo...
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JP3665389B2 |
PURPOSE: To shorten a process, reduce man-hours and secure line operation, by arranging a striking part on an end plate side on the inner circumferential surface of an outer cylinder so that the end surface of a permanent magnet is broug...
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JP2005155593A |
To provide a linear motor for effectively increasing the thrust of a needle by improving the shape of a coil to be wound on a stator, and to provide a linear compressor using the same.The stator 32 includes a core 33 having an opening po...
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JP2005155342A |
To provide a magnetostrictive pump with a simple structure, capable of feeding out fluid with high accuracy at high speed while realizing miniaturization, cost reduction, reduction in the number of components or the like.The magnetostric...
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JP2005155594A |
To provide a linear compressor, whose working process is shortened by improving a joint structure between a holder to which an inside core is fixed and a cylinder block to prevent the deformation of a cylinder.A first screw portion 31c i...
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JP2005140066A |
To provide a fluid compressor sufficiently securing oil supply quantity with inexpensive structure and having excellent reliability.The fluid compressor 1 has a rotary shaft 300 having a compression mechanism part 2 and an oil passage 31...
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JP2005133566A |
To provide an electromagnetic pump allowing its use as a metering pump by adjusting amount of discharge when compared with frequency of a pulse current to be applied.This electromagnetic pump for metering is constituted in such a way tha...
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JP2005127319A |
To provide a fan device having a large blower capacity and less windage loss, and a fan device capable of simplifying a lead wire and minimizing the windage loss.The lead wire 10 is pulled out from a motor support section 8a for fixing a...
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JP3648705B2 |
To assure the countermeasure against leakage in an electromagnetic pump with a built-in solenoid valve by mounting a check valve with a function for forcibly opening itself. In this electromagnetic pump executing the pumping operation by...
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JP3648708B2 |
To efficiently smooth a pulse of a fluid in a solenoid pump for forcedly opening/closing a check valve provided on the upstream side rather than a solenoid valve by an opening/closing action of the solenoid valve. In the solenoid pump in...
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JP3647356B2 |
To provide an electromagnetic pump of a pulsationally pressurizing device for wash infusion capable of reducing the generation of noise during operation of an electromagnetic pump and completely discharging residual infusion during a sto...
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JP3643635B2 |
To simplify the work of winding attachment as well as miniaturize the constitution of the entire compressor body. Main stators 6A, 6B of sectional surfaces each of which is formed in fallen U-letter shape are attached to the bobbin 8 mad...
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JP3642527B1 |
A check valve unit (140) in a hydraulic tensioner(100) comprises a check ball (141) which controls the flow of the oil to and from a high pressure oil chamber (R) formed by a plunger (120) and the plunger-receiving hole (111) of the tens...
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JP2005510347A |
An active matrix microfluidic platform employs thin film transistor active ("TFT") matrix liquid crystal display technology to manipulate small samples of fluid for chemical, biochemical, or biological assays without moving parts, for ex...
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JP2005096072A |
To provide an elastomer valve structure capable of being thinned, being operated with small force and being comparatively easily manufactured as compared with a silicon substrate process, and a pumping system using the structure.A second...
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JP3638056B2 |
To provide a fuel pump whose fuel discharge quantity can be regulated through a simple method and its manufacturing method. The thickness of a housing 11 is set up so that in a state where an auxiliary housing 50 is not attached, the mag...
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JP3636450B2 |
To provide a stator for a reciprocating motor for which assembling works for an inner stator can be simplified and time required for assembling is reduced to improve productivity, and to provide a manufacturing method thereof. A pluralit...
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JP3635897B2 |
To reduce leakage of magnetic flux from an electromagnetic actuator so as to eliminate an influence of magnetic disturbance on the surrounding without increasing size and weight of a device in an electromagnetically driven reciprocating ...
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JP2005083309A |
To provide a driving method for an electromagnetic pump reducing noise or vibration caused by sudden change in pressure in a pump chamber.Pulse voltage, wherein change in voltage when polarity of the pulse voltage alternately applied to ...
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