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JP4009322B2 |
PCT No. PCT/NO97/00036 Sec. 371 Date Aug. 6, 1998 Sec. 102(e) Date Aug. 6, 1998 PCT Filed Feb. 6, 1997 PCT Pub. No. WO97/29286 PCT Pub. Date Aug. 14, 1997The invention relates to a centrifugal pump device, comprising a pump casing (1) ha...
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JP3999310B2 |
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JP3136246U |
To provide a self-priming pump device suitable for use in an installation place in a humid environment and capable of reducing noise. Of two thrust receiving members 31 and 32, one thrust receiving member 31 is in sliding contact with a ...
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JP3993730B2 |
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JP3983952B2 |
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JP2007239598A |
To provide a self-priming pump the required performance of which is secured by suppressing the rise of the temperature of a reserved water even if a self-priming time is long. This self-priming pump comprises an impeller 3 rotated by a m...
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JP3967529B2 |
To provide a weld structure for preventing the discharge of weld burr generated at the time of welding to the inside and outside of a case body, not exerting adverse effects on the rotary operation of an impeller and the appearance of th...
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JP3959113B2 |
The method uses a centrifugal pump impeller (14) and a vacuum pump rotor (44) placed on the same shaft (49). The gas separated in the centrifugal pump from the material to be pumped is discharged from the centrifugal pump. The discharge ...
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JP3950309B2 |
To rapidly suction non-pressure water from a water source and shorten a time required before jetting water. A water suction pipe passage 11 of a pump body is equipped with water suction ports 13L and 13R, and relay ports 14L and 14R for ...
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JP3937306B2 |
To provide a full-water holding device for a horizontal pump which performs quick response operation during a rainfall period. In this horizontal pump wherein an opening part 3a is formed on an upper part of a pump 3, a priming detector ...
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JP2007146863A |
To provide a centrifugal pump capable of improving the maximum suction lift capability of the pump and obtaining high prime speed.This centrifugal pump has a discharge duct 128 for changing flow of liquid into circular flow at an inlet o...
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JP2007138748A |
To provide a pump of priming structure usable as both a pump for a shallow well and a pump for a deep well.This pump 10 comprises a body side casing 14 having a pump chamber 40 in which an impeller 25 is disposed, a suction side casing 1...
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JP3924730B2 |
PCT No. PCT/JP97/00857 Sec. 371 Date Jan. 22, 1999 Sec. 102(e) Date Jan. 22, 1999 PCT Filed Mar. 17, 1997 PCT Pub. No. WO98/04833 PCT Pub. Date Feb. 5, 1998The invention provides a self-priming centrifugal pump capable of sucking up and ...
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JP3904649B2 |
To compact a self-suction type pump by integrally forming the pump, to reduce the generation of water pass noise during filling with hot water, and to shorten a hot water filling time. A bath device having an additional burning circuit 1...
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JP2007085206A |
To provide a pump in which air biking is improved without changing a pump structure.This pump 10 comprises a motor in which a rotor 21 having a magnetic substance 28 on the inner periphery of a stator 22 is disposed rotatably and a pump ...
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JP2007056812A |
To provide a pump capable of always reliably supplying liquid by maintaining self-priming function without being restricted by mounting orientation.This pump is provided with an impeller 11 sucking and discharging liquid, a motor part 15...
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JP2007040155A |
To provide a self priming pump capable of shortening self priming time further.The self priming pump 2 is provided with a casing 14, a motor 15 and an impeller16 driven and rotated by the motor 15. A centrifugal impeller 16 includes a ma...
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JP3880081B2 |
PURPOSE: To install a device in a relatively small space by opening a water drainage port downward in the bottom of a pump room. CONSTITUTION: A water drainage port 66 is opened downward in the bottom part of a pump room 62 for self-prim...
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JP3869090B2 |
To provide satisfactory water-tightness to an inhalation hole through which the interior of a motor part is opened to the atmosphere, and to enable the provision of the water-tightness with a decreased number of components through simple...
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JP2006342752A |
To provide a structure of a self-priming pump which retain water within the pump without providing a check valve and can eliminate the necessity of maintenance.A sealed tank has an air reservoir above a water surface and stores water by ...
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JP3127770U |
To transfer a liquid by replenishing a small amount of liquid in a second tank on the discharge side of the pump to the suction side of the pump even if a large amount of air is sucked by a liquid take-out pipe from a first tank on the s...
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JP2006274929A |
To provide a pump for liquid, for preventing gas from being stored in a pump.A pump 10 is a centrifugal pump, in which an impeller 46 is disposed in a casing 14, delivered liquid is sucked from a suction port 28 and pressure of the deliv...
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JP2006249966A |
To provide a cooling device capable of improving cooling performance by achieving efficiency of heat exchange in the central part of a heat transfer part and removing bubbles of air in a centrifugal pump smoothly.This centrifugal pump 1 ...
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JP2006220034A |
To reduce malfunction of a change-over valve opening and closing a delivery port by preventing foreign matter contained in flowing water from clinging to a coil part of a spring.A motor consists of a stator 12 and a rotor 20 provided wit...
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JP2006144620A |
To provide a self-priming type suction pump device and a washing machine inhibiting tap water, which is introduced into a suction chamber through a priming water pipe when a pump runner is stopped, from overflowing from a suction pipe fo...
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JP2006123893A |
To provide a fuel supplying device which enables simple maintenance and is correctly operated with the low liquid level in a tank.A device for supplying fuel to an onboard energy production installation (5) on a liquefied gas transport s...
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JP3769138B2 |
To reduce noises, improve durability, reduce the number of part items, assembling steps and thereby a cost of a pump device. Fluid is fed by rotating an impeller 15 attached to an output shaft 2 of a motor. Bearing devices 20, 21 rotatab...
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JP3755670B2 |
A circumferential flow liquid pump having formed in the vicinity of an impeller 4 in an inner circumferential portion of a pump flow path 7 an air vent passage 31 having an opening with a step from a bottom portion 10 of the pump flow pa...
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JP3730601B2 |
To provide a self-priming vortex pump requiring no gas-liquid separating tank and also capable of suppressing malfunction such as air lock even in the case that a great amount of air is mixed in fluid. This self-priming vortex pump 1 equ...
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JP3713621B2 |
To provide a horizontal shaft pump capable of removing water from a water filling device filling water in a pump casing 10 using a dry vacuum pump 70. An opening part 38 is provided in an upper part of the pump casing 10 or a suction elb...
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JP2005307743A |
To solve a problem that operation is difficult unless air bubbles are completely removed by priming operation in a pump using a piezoelectric element as a driving source and provided with a pipe passage element instead of a check valve o...
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JP2005307823A |
To provide a pump preventing occurrence of a dead space inside a cabinet of a dishwasher even when a cabinet is provided therein.A casing 12 of the pump 10 has a housing chamber 18 and a discharging chamber 20. A water flow face 62 for h...
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JP3709624B2 |
To eliminate a fault such as the actuation defect of an electromagnetic valve and air sound, etc., by perfectly removing foams contained in actuation oil. In a driving power vehicle constituted by sucking actuation oil inside a hydraulic...
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JP3708639B2 |
To avoid waste of priming water and shorten the time for supplying priming water in a washing machine having a pump. A pump case 31 of a pump 26 has a suction port 34, a discharge port 36 and a priming water intake 37. A suction hose for...
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JP3702364B2 |
To provide a horizontal shaft pump capable of preventing the flow-in of the water into a vacuum pump 52 and capable of easily continuing the precedence standby operation. An intake pipe 42, communicating with an opening part 38 provided ...
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JP3696953B2 |
To provide a centrifugal pump capable of sucking liquid from the outer peripheral direction of a casing and discharging the sucked liquid from an end surface of the casing. An inlet side opening part 42 formed at a central part of an imp...
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JP2005248901A |
To provide a self-priming pump capable of obtaining smooth and stable gas-liquid separation action and stable and high self-priming performance.The pump comprises an impeller 311 for sucking/discharging handling liquid and a pump casing ...
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JP2005240624A |
To improve self-priming performance and achieve less power consumption.This self-priming pump comprises an impeller 3 having a fluid intake 4 extending from the center to the outside so as to be rotated with the rotation of a motor 1, a ...
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JP2005229020A |
To provide a liquid-cooled system that can be easily and freely adopted in various kinds of electronic equipment, by solving the problems in starting that occurs, when adopting a centrifugal pump.In the liquid-cooled system, a CPU requir...
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JP3680974B2 |
To perform an air cooling for a suction pump and prevent burning of the suction pump by connecting a main pump requiring priming with the suction pump supplying priming via a suction pipe, connecting a drain valve with the middle part of...
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JP2005180363A |
To provide a self-priming pump excellent in electrical safety and dissolving a defect that conventional self-priming pumps have a problem that, depending on variation in thicknesses of a motor cover and a bracket, lengths of fixing screw...
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JP2005163554A |
To provide a new self-priming pump capable of reducing a size and achieving high performance, and capable of achieving high level of silence by reducing noise and vibration of a motor.In the self-priming pump 100, a pump part 200 is prov...
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JP2005155583A |
To prevent retention of air in a pump chamber of a pump arranged in a lower side, without worsening economical efficiency, in a vertical type pump provided with two pumps different in their rotational directions to exert a pump function....
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JP3659784B2 |
To allow quick suction even at a high position by miniaturizing a priming suction pump such as a fire engine. A plurality of suction pumps 2a, 2b which are driven at the same time are connected to the suction side of a main pump 1 which ...
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JP3657919B2 |
To provide a self-priming volute pump capable of matching pump specifications to actual user's specifications while maintaining self-priming ability only by application of simple machining to an impeller without diamond- cutting of the i...
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JP3655485B2 |
To prevent noise from being easily generated, improve durability of parts, and restrain heat generation on a motor. In a pump device, impellers 4, 5 are provided on an output shaft 16 of a motor, and fluid is fed out by rotationally driv...
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JP2005139954A |
To provide a centrifugal pump of high energy efficiency capable of surely transmitting centrifugal force to fluid by smoothing flow of fluid even if pumping amount is little.The centrifugal pump P is provided with an impeller 1 driven an...
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JP2005120925A |
To provide a pump device allowing easy gap adjustment between an impeller and a guide vane without rotating a motor.A gap adjusting member is mounted on the outer diameter of a pumping inlet portion of the impeller and the guide vane is ...
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JP2005511959A |
A hybrid pump ( 1 ) with a housing ( 2 ) comprising at least one suction port ( 10 ) and at least one pressure port ( 11 ). A rotor ( 5 ) is eccentrically arranged in the housing chamber ( 3 ) which is substantially enclosed in a circula...
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JP3637154B2 |
To attain low noise by rotating a runner at a low speed through a motor equipped with a permanent magnet rotator, improve durability, and attain size reduction and easy fitting inside a washing machine body or the like, in a pump device ...
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