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JP2000283044A |
To easily and quickly mount a pump head member on a pump body with a uniform fastening force by mounting the pump head member on the pump body by use of a fastening clip formed in a substantially C-shaped sectional profile. In a double-h...
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JP3088469B2 |
A pump having a center section including an actuator housing and an air valve is arranged with air chambers to either side of the actuator housing. Diaphragms are associated with the air chambers to create enclosed cavities for alternate...
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JP3084513B2 |
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JP3084552B2 |
To reduce electric power consumption of a motor at the time of unloading a motor compressor. An air vent mechanism 31 and a three-way solenoid valve 32 operated by such as an electromagnetic solenoid 33 are provided in the middle of a C ...
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JP2000205139A |
To provide a diaphragm pump capable of reducing the costs and working well irrespective of the number of pump chambers. Connecting rods 21 and 22 to be coupled with diaphragms 25 and 26 to form pump chambers 23 and 24 are provided in the...
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JP2605556Y2 |
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JP2000199481A |
To provide a silencer with a built-in exhaust valve which can switch an exhaust passage by an outdoor air pressure. A silencer S1, which takes the shape of a sealed container, has air banks P1, P2a, P2b formed in a passage between an inl...
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JP3062384B2 |
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JP2605208Y2 |
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JP2000179465A |
To provide a simple air-cum-water pump for an appreciation fish water tank at a low cost in which a noise at the time of feeding water is small and a good quiet sense can be ensured and to provide an appreciation fish water tank device w...
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JP2000170662A |
To obtain a required volume of air at a low power consumption, and to easily adjust a natural frequency of an oscillation system even when a diaphragm tension is changed by variations of products and the like, by providing a balancer for...
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JP3048490B2 |
PURPOSE: To prevent the sliding and resonance between separate members, and dispense with a housing integrating a storing part of a driving part, a holding part of a filter to filter the fluid, and a tank to temporarily store the dischar...
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JP2000130343A |
To guarantee the stable use of a valve used in an electromagnetic diaphragm pump for a long period by respectively forming an inlet valve and a discharge valve fixed to a valve case body with the valve function, out of silicone elastic b...
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JP2000130326A |
To provide an electromagnetic drive mechanism capable of obtaining stable vibration operation of a vibrator. This electromagnetic drive mechanism A consists of an electromagnet 1 composed of an iron core 29 constituted by laminating a pl...
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JP2000130346A |
To improve the absorption and elimination of the vibration from a vibrator and a diaphragm by substantially suspending a box-shaped electromagnetic case in a floating state by suspending members formed by coil spring rings. Four supports...
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JP2000120550A |
To form a diaphragm along an inner wall of a recessed part and an external wall of a projection part in a condition in which an air chamber is compressed, resolve unnecessary deformation of the diaphragm, shorten a pressurizing time, and...
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JP2000110729A |
To make an ordinary small-sized pump even more compact by making motor rotation reciprocate a drive member to vary the volume at a diaphragm so as to perform a pump action.In this drive mechanism 20, rotation of an output shaft 2 of a mo...
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JP2000503744A |
A flexible diaphragm for an air driven diaphragm pump having a circular configuration with an inner attachment portion, an outer attachment portion and an annular flexure portion bounded by transition portions to the inner and outer atta...
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JP2000078823A |
To provide an electromagnetic drive mechanism which can raise the thrust of an oscillator arranged in the vacant space part between counterposed electromagnets. This electromagnetic drive mechanism comprises an oscillator 4 equipped with...
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JP2000045953A |
To generate negative pressure easily and cost-effectively without using part of motive power of the engine or the like. A housing 1 that is divided into a first compartment 5 and a second compartment 6 incorporates a nonlinear vibration ...
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JP2000034982A |
To provide a small-sized and inexpensive electromagnetic blower which can adjust an amount of discharged air. This type of electromagnetic blower has a pump for discharging air, a pump driving body, and two electromagnets 14, 15 which ar...
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JP2000018166A |
To enable to stop pumping operation as quickly as possible when the diaphragm is damaged and easily recovering the pump only with the replacement of the diaphragm, by placing below the driver a magnetic material that adsorbs and retains ...
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JP2000500055A |
The depilation system comprises an electric depilation apparatus and a cartridge. The depilation apparatus comprises a depilation head, a drive unit, and a chamber adapted to accommodate the cartridge. The cartridge comprises a reservoir...
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JPH11514562A |
The depilation system comprises an electric depilation apparatus and a cartridge. The depilation apparatus comprises a depilation head, a drive unit, and a chamber adapted to accommodate the cartridge. The cartridge comprises a reservoir...
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JPH11336669A |
To provide a septic tank with a diaphragm type air pump being small in size and excellent in the supply efficiency of air and an air pump device. This air pump 3 is equipped with two pump elements 41 and 43 discharging air by vibrations ...
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JPH11324929A |
To reduce the noise of a pump by forming a cover for covering a main equipment body with the predetermined clearance between the outside wall of the main equipment body so that a space formed of the predetermined clearance functions as a...
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JPH11324928A |
To stop the operation of a pump as fast as possible in the failure of the diaphragms to prevent the abrasion damage of moving element and an electromagnet and repair the pump only by replacing the diaphragm by mounting a microswitch whic...
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JPH11324927A |
To prevent increase in the consumptive power even when a pump device is used for a long time and provide a sphygmomanometer superior in the repressuring characteristic and free from noise by mounting a polarizaed permanent magnet on one ...
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JPH11311184A |
To increase the amount of discharge flow in a device having a diaphragm using a piezoelectric element. A small pump is provided with a diaphragm 1 using a piezoelectric element and utilizing the variation of capacity in a pump chamber 2 ...
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JP2972588B2 |
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JPH11280655A |
To simplify the structure and decrease the size of a device in a high pressure spray device for a cloth joint in which high pressure water from a nozzle is sprayed at two layers of cloth thereby entwining and joining the twisted thread o...
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JP2962729B2 |
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JPH11264378A |
To provide an electromagnetic pump improved in operation of a vibrator. In this electromagnetic pump, recessed chambers 60 opened to suction and compression chambers 22 sides are provided on facing side walls 25 of the suction and compre...
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JPH11264377A |
To miniaturize an electromagnetic pump by integrally forming a support shaft with a shaft, making the axes of a bearing and the support shaft coincide with each other, preventing loosening of the support shaft caused by a reciprocating m...
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JPH11510081A |
A pump comprises a flexible diaphragm, a rigid member, an air seal formed between said diaphragm and said rigid member, a puller member attached to said flexible diaphragm, a drive member connected to said puller member which drive membe...
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JPH11236880A |
To prevent the occurrence of unevenness in the vibration characteristics of a vibration plate, in a piezoelectric pump to discharge gas in a constant direction through vibration of a vibration plate in which piezoelectric elements are la...
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JP2938473B2 |
A hand-held air sampling pump can be operated with one hand to consistently sample an exact, predetermined volume of air by causing a bellows to compress and then elongate to form a vacuum inside of the bellows to draw an air sample thro...
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JP2933895B2 |
To discharge pressure in a compression chamber in a short time after a reciprocating piston machine stops by providing a valve plate or a valve tongue piece on a discharge side and/or a suction side with at least one capillary passage as...
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JPH11210633A |
To prevent the generation of an abnormal rise of the suction pressure. This suction device carries out the suction by generating a negative pressure by the variation of the inner capacity of a pump chamber 12 by the reciprocating drive o...
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JPH11210632A |
To facilitate the recovery of the function degradation due to the invasion of dirts, as well as to provide a stable suction pressure. This suction device carries out a suction by generating a negative pressure by the variation of the inn...
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JP2927030B2 |
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JP2926602B2 |
An air flow system includes a supercharger, a bypass passageway connected between an intake side and a discharge side of the supercharger, a compression machine and an air bypass valve in the bypass passageway. An intake port of the comp...
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JPH11201049A |
To smoothly change a motion into a linear motion, to reduce vibration and to suppress generation of pulsation by providing a pump with a cylindrical cam which is formed in a free contour shape in a circumferential direction of a cylinder...
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JPH11201048A |
To provide a diaphragm breakage detection device for a diaphragm type air pump capable of detecting breakage of a diaphragm in an early stage. Second discharge passages 12c, 12d to compose the downstream side of a pair of suction/dischar...
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JPH11190281A |
To certainly fix a wrist watch on a wrist by partitioning a hollow inside part from a bottom surface part and a bulged part constituted of an elastic material, providing a through hole to introduce air to an upper part of the bulged part...
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JP2917110B2 |
An adjustable flow pump, particularly an air pump, utilizing reciprocal movement of a diaphragm movement bar to achieve pumping. The stroke of the reciprocating diaphragm movement bar can be adjusted without stopping operation of the pum...
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JPH11182440A |
To promote the low-unit cost of production and to reduce the number of part items by securing an impact damping effect without using the conventional damping materials, and simultaneously dispensing with the setup of a buffer. This is a ...
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JPH11182441A |
To obviate the occurrence of any contraflow air by a check valve even in the case where such a trouble as breaking a valve chest case has occurred in one side of the two-connected pump elements. This diaphragm pump 1 stores dual pump par...
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JPH11173272A |
To reduce a size of an outer diameter without impairing the performance of a diaphragm part by combining a case for storing a driving part, a cylinder part, a diaphragm main body and a cover body, and integrally fastening and fixing them...
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JP2882748B2 |
The purpose of a two-stage positive displacement pump (1) is, in particular, to cooperate with a turbomolecular drag pump (2) which can be connected upstream thereof. In the arrangement, the two-stage positive displacement pump (1) is de...
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