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JPH04101057A |
PURPOSE: To reduce the cost and improve the fuel consumption rate by providing pump mechanism for making pressure act upon an oxygen enriched air producing mechanism so as to produce oxygen enriched air, additionally with a pump driving ...
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JPH04101082A |
PURPOSE: To stabilize the vibration of a piezoelectric plate so as to improve the accuracy of a gas pump by supporting the outer peripheral parts of the vibrating part of a metal plate with piezoelectric elements stuck thereto, and provi...
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JPH04101081A |
PURPOSE: To prolong the life of a first seal member by disposing a first and a second seal members respectively on the high pressure side and low pressure side of the shaft seal part of a plunger, and inserting an intermediate member, pr...
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JPH0413430Y2 |
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JPH0413431Y2 |
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JPH0494479A |
PURPOSE: To increase electromagnetic force in a part, opposedly facing to a diaphragm, by using a material of high magnetic permeability for yokes, onto which an angular ring-shaped coil is mounted by dividing the yoke into two parts, an...
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JPH0432279U |
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JPH0410388Y2 |
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JPH0411750B2 |
A fluid pump has a pumping member which defines the boundary of a pump chamber and is driven to reciprocate between the positions of expanding and contracting the pump chamber for drawing in the pump chamber a fluid and feeding it into a...
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JPH0411751B2 |
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JPH0463970A |
PURPOSE: To obtain energy almost from gravity of submerging material and pressure due to water pressure by charging air into a vessel capable of expansion or contraction corresponding to external pressure, submerging it together with mat...
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JPH047912Y2 |
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JPH04501158A |
PCT No. PCT/DE89/00636 Sec. 371 Date Apr. 8, 1991 Sec. 102(e) Date Apr. 8, 1991 PCT Filed Oct. 5, 1989 PCT Pub. No. WO90/04106 PCT Pub. Date Apr. 19, 1990.A double acting, self-priming bellows-type pump has a pair of bellows that work as...
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JPH0443875A |
PURPOSE: To prevent exhaust air from remaining by forming the inner wall of a pump room into a curved surface in a dry vacuum pump of magnet type for obtaining dry high vacuum. CONSTITUTION: Air is sucked into a first stage pump room 7 t...
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JPH044204Y2 |
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JPH046780U |
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JPH041868Y2 |
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JPH03127089U |
In a high volumetric efficiency compression machine that can be used as a compressor, pump, or actuator, a compression chamber is formed by a movable body and the inner wall of a casing. A discharge valve is formed in the casing, and com...
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JPH03286196A |
PURPOSE: To enable cooling of interior fluid, diaphragms and a casing by fixing a pair of diaphragms with a predetermined interval from each other side by side in the casing and by providing an inlet port and a discharge port for the flu...
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JPH03286195A |
PURPOSE: To make the maximum stress generated in a diaphragm almost the same as the stress generated in assembling by using a preformed cone shaped diaphragm with a flat top. CONSTITUTION: A diaphragm 15 is arranged in a casing 2 formed ...
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JPH0355832Y2 |
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JPH0355834Y2 |
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JPH0355833Y2 |
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JPH03119585U |
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JPH03279684A |
PURPOSE: To restrain deflection of a flexible membrane to improve durability of the membrane and improve compression and discharge performance of a compression device by providing a back pressure chamber divided from a compression chambe...
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JPH03119584U |
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JPH0353018Y2 |
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JPH0372353B2 |
PURPOSE:To allow stable binding with a membrane not being broken due to migration by depositing a metal with good electrical conductivity in a vapor phase to form the membrane on smooth surfaces facing each other of an electric vibrator,...
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JPH03253780A |
PURPOSE: To reduce noises and vibrations and improve the pump performance by driving multiple diaphragm sections forming multiple pump chambers with a drive body performing conical movement, and connecting the drive body and the diaphrag...
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JPH03253781A |
PURPOSE: To reduce noises and vibrations and improve the pump performance by driving multiple diaphragm sections forming multiple pump chambers with a drive body performing conical movement, and connecting the drive body and the diaphrag...
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JPH03253782A |
PURPOSE: To assure the smooth action of a drive body by driving multiple diaphragm sections forming multiple pump chambers with the drive body performing conical movement, and swayably supporting the center section of the drive body via ...
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JPH03253784A |
PURPOSE: To prevent the reduction of the pump performance due to the abnormal deformation of a cup portion by driving multiple diaphragm sections forming multiple pump chambers with a drive body performing conical movement, and forming t...
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JPH03253783A |
PURPOSE: To prevent the abnormal deformation of diaphragms by driving multiple diaphragm sections forming multiple pump chambers with a drive body performing conical movement, forming the diaphragm sections into a cup shape opened upward...
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JPH03249383A |
PURPOSE: To blow filtered air from a supply opening as well as to prevent a noise from occurring in an effective manner by inflating an expandable and contractible baglike body equipped with both air inlet and exhaust ports and inhaling ...
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JPH0351564Y2 |
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JPH03102080U |
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JPH0349628Y2 |
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JPH0349630Y2 |
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JPH0345580Y2 |
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JPH0387985U |
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JPH0387885U |
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JPH03189389A |
PURPOSE: To transfer suspended matter without damaging the suspended matters by forming a liquid feeding part in a way to connect a flexible tube to a suction port and a delivery port in a pump housing and alternating reduction of a pres...
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JPH0351916B2 |
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JPH0335905Y2 |
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JPH03149375A |
PURPOSE: To omit a crank mechanism by installing a hydraulic fluid passage with a hydraulic selector valve in the lower part of a compression space installed in a diaphragm, and driving this hydraulic selector valve with oil pressure bei...
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JPH03149374A |
PURPOSE: To omit a crank mechanism by installing a flow passage performing feed and discharge of a hydraulic fluid and a hydraulic pump both in a lower end of a compression space installed in a diaphragm, detecting both top and bottom de...
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JPH0329587Y2 |
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JPH03141881A |
PURPOSE: To enhance the compression ratio or the exhaust gas ratio, etc., and lessen torque variation for the drive part by allowing the periphery of an eccentric cam to slide on the sliding part of a link. swinging the link, and recipro...
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JPH03140659A |
PURPOSE: To improve compression ratio, pressure-feed efficiency or the like in a compressor, a pump and so on by constituting an eccentric cam with a shaft attached after shifting its phase, a link slid on this eccentric cam and pivoted ...
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JPH0326359Y2 |
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