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JPH1182310A |
To provide an electromagnetic pump which is less in variation of pump performance due to poor installation of a diaphragm and capable of preventing an oscillator from touching an electromagnet. An electromagnetic pump is provided with a ...
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JP2871158B2 |
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JPH1170059A |
To provide a light-weight and simple toilet system for automobiles. A vacuum toilet assembly 10 includes a vacuum toilet 11 and a vacuum tank 12, and a single cylinder air pump 14 is used to remove air from the tank 12 and create a parti...
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JPH1162839A |
To improve durability of diaphragm rubber by narrowly holding a metallic fixing plate fixing diaphragm rubber by a synthetic resin inner case forming a compression chamber, a synthetic resin outer case and a metallic storing case and mou...
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JPH1162840A |
To provide a lightweight and simple vacuum pump for a vehicular toilet. An air pump is provided with a reciprocating diaphragm air pump 14 to which power is to be supplied by an electric motor for rotating an eccentric, and first and sec...
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JPH1162841A |
To provide a structure capable of adjusting pump performance in an assembling stage or after assemblage as well as to realize miniaturization and quietness of a pump, in a small pump capable of being used for an air pump for a water tank...
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JP2858963B2 |
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JP2856483B2 |
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JP2855846B2 |
The invention relates to a piezoelectric pump using a piezoelectric actuator. The piezoelectric pump comprises an upper pump chamber main body having three pump chambers, a lower pump chamber main body having three pump chambers, and a p...
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JPH1137051A |
To prevent the reversal phenomenon of the circumferential part of a diaphragm from generating so as to enable the durability to be improved by always holding the pressure of a space part in which a compression work is not operated lower ...
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JP2852032B2 |
A diaphragm pump is described having a housing defining pumping and buffer chambers separated by a common wall. An outlet discharges fluid from the pumping chamber to the buffer chamber and a reciprocating diaphragm varies the volume of ...
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JPH1122646A |
To simplify a switching means of a two position direction switching valve of a fluid pressure drive pump. In a fluid pressure drive pump which comprises the expansion member 3, 4 mounted in the cylinder cases 1, 2, a shaft for connecting...
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JPH1122649A |
To provide structure of a combination air pump comprising plural driving members, by which the vibration and noise reduction effect can be further improved. This air pump comprises two pump units 10, 20 mounted on a common base 1, and th...
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JP2848872B2 |
A pump (1) (Fig. 1) is designed as a diaphragm pump and, on the crank case side, has a noise-screening device (13) at a distance from its pump diaphragm (6). Said device seals off in a noise-damping manner that part of the pump casing wh...
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JPH1113625A |
To simply and accurately mount a magnet on a vibrator frame without failure. This electromagnetic pump is constituted such that s magnet 32 disposed between electromagnets 7 and 7 positioned opposite to each other and vibrated in a direc...
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JPH1113629A |
To reduce the generation of noises by eliminating the generation of vibration of a bottom plate through a diaphragm pump is of structure wherein the bottom plate of a drive part is attached to a base part. In this diaphragm pump 1, a dri...
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JP3054890U |
A diaphragm pump (1) with a working diaphragm (16) is provided with an additional diaphragm (26) arranged at a distance (a) from the working diaphragm (16), between the working diaphragm and eccentric drive (7). The diaphragm pump (1) pr...
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JPH10318148A |
To prevent a filter from dropping into a suction port while ensuring an opening area required for sucking air so as to prevent lowering of the efficiency of air feed, and to reduce vibration and noise so as to greatly prolong the replace...
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JPH10318152A |
To lower vibration and noise of a diaphragm pump and to enhance the workability during assembling and installation thereof. A pair of diaphragm pump bodies in each of which a pump chamber and a drive chamber is partitioned by a diaphragm...
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JPH10311278A |
To provide an electromagnetic pump formed such that width between cores with which a pair of AC electromagnets provided with a vibrator are provided is kept at a constant value and quality is improved. This electromagnetic pump is couple...
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JPH10311279A |
To provide the internal structure of an air pump to suppress amplification of vibration and the generation of chattering noise even when an air pump is arranged at the upper part of a water tank and be formed in a compact manner and to p...
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JP2585573Y2 |
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JP2820485B2 |
PURPOSE:To obtain a batch intake/disperse exhaust structure by driving multiple diaphragm sections with a drive body performing conical movement, providing an intake pipe at the center of a pump case having multiple pump chambers, and pr...
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JP2815570B2 |
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JP2807746B2 |
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JPH10238473A |
To provide a diaphragm air pump for feeding air to various systems with no use of solenoid-operated cross valves, and a sewage septic tank using the same pump. A diaphragm air pump, which discharges air through vibrations of a diaphragm ...
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JP2578974Y2 |
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JP2578973Y2 |
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JP2777887B2 |
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JP2779814B2 |
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JPH10184553A |
To miniaturize an electromagnetic pump usable as an air pump or the like for a water tank without reducing pumping ability, and reduce vibration and noise coming out to the outside. This electromagnetic pump is composed of a pump body pa...
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JPH10169564A |
To provide an electromagnetic pump which can eliminate a hose for noise reduction. This pump is provided with a motor-driven chamber and an air supply and exhaust chamber partitioned by a diaphragm, which are in a body case, and a magnet...
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JP2767127B2 |
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JP2763483B2 |
PURPOSE: To provide a diaphragm type air pump which can easily detect the water level of a basin and abnormal conditions of the air pump in the dia phragm type air pump to supply air to a live fish tank, a septic tank or the like. CONSTI...
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JP2764164B2 |
A small and lightweight compressor has a motor which generates rotational drive which is converted into reciprocating movement to actuate an air compressing mechanism to thereby discharge compressed air. Three or more air compressing mem...
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JPH10505399A |
PCT No. PCT/DE96/00815 Sec. 371 Date May 15, 1997 Sec. 102(e) Date May 15, 1997 PCT Filed May 10, 1996 PCT Pub. No. WO97/02421 PCT Pub. Date Jan. 23, 1997A pump device for performing a leak diagnosis of a fuel vapor retention system. The...
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JP2569496Y2 |
A pump body of a diaphragm pump unit comprises a housing and a pump placed therein, an elastic cover is attached to the housing so as to cover the upper portion of the housing. When the pump is operated with the upper opening of the hous...
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JP2740429B2 |
PURPOSE: To provide a method for monitoring a pump limit of a multistage turbocompressor with intermediate cooling, which takes into consideration the influence of gas temperatures at inlet sides of various stages on the pump limit. CONS...
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JP2735765B2 |
PURPOSE: To provide a pumping device that is making any mixture of impurities nothing at all at a time when gas or liquid is pressure-fed and able to bring a high pressure and large volumetric pumping function into full play. CONSTITUTIO...
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JP2565626Y2 |
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JPH10502814A |
PCT No. PCT/EP95/02723 Sec. 371 Date Feb. 6, 1997 Sec. 102(e) Date Feb. 6, 1997 PCT Filed Jul. 12, 1995 PCT Pub. No. WO96/02567 PCT Pub. Date Feb. 1, 1996The present invention relates to proteins that may be extracted from mammalian live...
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JPH1068387A |
To relieve a load to a motor by a method wherein the spring constant of a leaf spring is reduced so that the leaf spring is prevented from buckling. A drive shaft 3 eccentrically attached on the output rotary shaft 2 of a motor 1; a work...
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JPH1068386A |
To provide an increased life for a diaphragm type vacuum pump without needing any troublesome work. When exhaust of a pressure reduction distilling plant 12 is effected as a system to be exhausted, by exciting the solenoid part 18 of a t...
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JPH1061546A |
To simplify operation and washing so as to ensure suction operation by enclosing one common and variable hollow chambers for a storing container chamber and a movable element for restricting an upper range, and arranging individual one w...
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JPH1061552A |
To provide an electromagnetic pump able to reliably and inexpensively realize electric insulation between a terminal receiving part of an electromagnet and a metallic casing, and having good assemblage of the casing. In an electromagneti...
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JP2563780Y2 |
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JPH1054367A |
To fill air at a short time, and house an air mat and an equipment in an injector main body in an unused time by detachably arranging a cover body on the upper part of the air injector main body for filling air in a rubber boat and the l...
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JPH1047254A |
To provide an electromagnetic pump suitable for an air pump for a water tank, by which calmness and low vibration property are provided, the size can be easily reduced, and a fluid pump with high operation efficiency can be realized. A c...
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JP2562840Y2 |
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JPH1038186A |
To automatically perform sealing of air in a piping in an inspected are through driving a pump by a motor by adjusting pressure of air blown into the pipe in the inspected area through an amount of air flowed from a seal ring while movin...
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