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JP2017002842A |
To provide a shaft sealing device and a pump deice capable of prolong their service life.A shaft sealing device 70 used in a pump device 10 includes: a cylindrical sleeve 72 that is fixed to a rotational shaft 40 rotated by a motor 20; a...
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JP6051056B2 |
The present invention relates to a volute pump and particularly provides a volute pump for delivering a liquid containing fibrous substances and solid substances, while preventing these substances from obstructing the pump. The volute pu...
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JP6046885B2 |
Method and turbomachine for imparting energy to a multiphase fluid. The turbomachine includes a casing having an inlet and an outlet; an axial stage part including at least one axial stage; a mixed-flow stage part including at least one ...
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JP6001708B2 |
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JP6001709B2 |
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JP5999942B2 |
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JP2016169672A |
To provide a centrifugal pump capable of restricting generation of energy loss due to separation of a flow in a channel through which the flow is converted from a flow directed radially outward into a flow directed radially inward on an ...
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JP2016148306A |
To provide a guide body that has high energy efficiency in a wide operating range, and a pump device.A guide body is arranged concentrically with an impeller, and guides fluid attracted in association with the rotation of the impeller. T...
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JP5967882B2 |
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JP5957243B2 |
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JP5954615B2 |
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JP5953081B2 |
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JP2016108951A |
To provide a pump device capable pf supporting a thrust load of a bearing, and preventing the scattering of a lubricant.A bearing device 12 used for a pump device 1 has a cylindrical bearing casing 31; a joint 32 provided in the bearing ...
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JP5921163B2 |
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JP5917549B2 |
An axial-flow coolant pump mechanically driven by a pulley, a gear wheel, a plug-in shaft, or the like, for internal combustion engines uses a semi-axial impeller, a Francis impeller or diagonal impeller with three-dimensionally, spatial...
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JP5909346B2 |
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JP2016056741A |
To provide a centrifugal fluid machine capable of reducing more a loss when fluid is poured between the stages and improving its performance.A uniaxial centrifugal compressor 100 acting as a centrifugal fluid machine comprises: an annula...
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JP5903928B2 |
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JP5889051B2 |
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JP5889622B2 |
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JP2016031064A |
To provide a multiple stage pump capable of achieving size reduction and ensuring high performance without causing cost increase.A back board vane 12a includes a protruding portion 12e provided in an outlet portion of a return flow passa...
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JP2016027249A |
To provide a drainage pump which enables reduction of bending of a discharge pipe around the drainage pump for an air conditioner and achieves space saving in the air conditioner etc.A horizontal pipe 11 is integrally formed with a pump ...
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JP5857042B2 |
A double-flow centrifugal pump is disclosed, in which, using an impeller, a fluid can be suctioned from two axial sides from a negative pressure area and can be delivered in the radial direction into a positive pressure area. The negativ...
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JP5839803B2 |
To provide a bypass energy recovery device of a fluid machine that can improve the total efficiency of the machine by effectively utilizing a pressure-loss amount of fluid energy in a pressure-loss mechanism.In a multistage centrifugal p...
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JP2015220910A |
To provide a motor which has a simple configuration, is excellent in assemblability, water-resistance, and water proofness, and exhibits a long term stability in lubrication property of a rotation member.A magnet rotor type motor include...
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JP5809832B2 |
To provide a guide vane for a pump which can have high pump efficiency without increasing manufacturing costs, and a pump device.A guide vane guides a fluid to which pressure is increased by the impeller 20 of a pump device 1 to the impe...
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JP2015190321A |
To provide a pump connection member and a multistage pump capable of smoothly guiding a fluid while eliminating a swirl component of the fluid among pumps.A pump connection member includes a flow channel defining portion 5 disposed betwe...
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JP2015190320A |
To provide a pump connection member and a multistage pump capable of smoothly guiding a fluid while eliminating a swirl component of the fluid among pumps.A pump connection member includes a flow channel defining portion 5 disposed betwe...
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JP5800185B2 |
To solve such problems that in an aeration tank, a culture tank, and a cultivation tank, an aeration technique for supplying a large amount of microbubbles into the whole tanks efficiently and uniformly with a water flow is required, and...
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JP2015183575A |
To provide a channel formation part, a casing, and a centrifugal type rotary machine capable of exerting full rectifying flow effects by reducing the fluid burble while improving efficiency.This invention relates to a channel formation p...
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JP2015135068A |
To provide a passage formation part and a casing of a centrifugal type rotary machine capable of reducing the separation of a fluid in a return flow passage sufficiently to improve the efficiency, and a centrifugal type rotary machine.A ...
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JP2015132251A |
To provide a low flow rate high lift type centrifugal pump.A sequential flow type centrifugal pump is provided in which an inner circumferential portion of a housing 3 includes a plurality of flow-in flow passages 6 and an outer circumfe...
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JP5753715B2 |
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JP5751955B2 |
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JP2015113714A |
To provide a rotary machine assembly and a centrifugal rotary machine capable of improving operation efficiency while restricting the right upper characteristic generation throughout the system.A rotary machine assembly comprises: a revo...
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JP5727881B2 |
The invention provides a multi-stage pump with improved liquid conveying performance. The multi-stage pump comprises a rotating shaft (1), multiple impellers (2) fixed on the rotating shaft (1) and a pump case (3) accommodating the multi...
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JP5707086B2 |
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JP2015048965A |
To provide a heat exchange type fluid machine which adds a heat exchange function to an impeller thereby achieving high heat exchange efficiency and utilizes hydraulic power and wind power to reduce energy consumption.A heat exchange typ...
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JP2015031180A |
To provide a rotary machine capable of reducing loss due to secondary flows colliding with each other on negative pressure faces.The rotary machine includes a plurality of blades 19 which are arranged at spaces in the peripheral directio...
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JP5658526B2 |
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JP2014224476A |
To provide a seal structure and pump device capable of preventing the protrusion of a seal member and the generation of a clearance between casings, with a simple structure.A seal structure 17 provided on a pump device 1 includes: a seal...
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JP5599463B2 |
The invention relates to a centrifugal pump (100), in particular for a coolant in a motor vehicle, comprising a first centrifugal pump stage (102) having a first pump housing (108), and a first impeller (110) rotatably mounted therein, a...
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JP5587270B2 |
A centrifugal turbomachine includes an impeller and a speed sensor arranged to detect a speed associated with an impeller speed. A temperature sensor is arranged to detect a temperature associated with an impeller exit temperature. A con...
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JP2014148958A |
To provide a drainage pump excellent in passage of debris.A drainage pump includes a motor; a rotation shaft rotated by the motor; a plurality of vane wheels through which the rotation shaft penetrates and which has a plurality of throug...
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JP5575251B2 |
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JP5570493B2 |
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JP5514610B2 |
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JP2014074359A |
To provide an impeller back-to-back type multistage pump which can prevent erosion of an impeller and, further, can prevent vibrations generated by collision of high-speed fluid to the impeller.A multistage pump includes: a first pump gr...
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JP5478379B2 |
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JP5448614B2 |
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