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JP7368301B2 |
To provide a pump improving maintainability.A suction packing 40A of a pump 10 has: a rubber seal body part 41 which is mediated between opposed end surfaces of flange connection parts 23, Sj that face each other at a part of a suction p...
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JP7360387B2 |
The present invention relates to a sealing system for a pump configured to pressurize a volatile liquid, such as liquid ammonia. The sealing system (2) includes a stuffing box (35) forming a barrier chamber (30) and a pump-side seal cham...
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JP2023542031A |
The present invention relates to an intravascular blood pump (1) for percutaneous insertion into a blood vessel of a patient. The blood pump (1) includes a pump casing (2) having a blood flow inlet (21) and a blood flow outlet (22), and ...
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JP7353968B2 |
To prevent corrosion of a rotating body of a pump device which is not used for a long time.A pump device 10 includes: a pump casing 30; an impeller 37 provided inside the pump casing 30; a discharge valve 39 provided at a discharge pipe ...
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JP7352630B2 |
A pump device includes an impeller and a housing that houses the impeller in a rotatable manner. The impeller includes a fin (vane) unit and a movable sleeve. The housing includes a fixed sleeve that houses the movable sleeve. A first ga...
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JP7339074B2 |
To provide a state monitoring technique for pump that is applicable to pump state monitoring, remote monitoring, and an information transmission device.A state monitoring device 10 for pump is used for a pump 1 such that a liquid contact...
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JP2023537250A |
A canned rotary power fluid machine (1) operating with a working fluid such as molten salt in a molten salt nuclear reactor comprises a volute (3) having an inlet (4) and an outlet (5) for the working fluid. an induction or reluctance mo...
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JP7330508B2 |
To provide an impeller and a submersible pump that can improve pump efficiency.An impeller 42 comprises: an upper shroud 52 fixed to a rotating shaft 24; a lower shroud 53 provided opposite to the upper shroud 52, and comprising a suctio...
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JP7320994B2 |
To provide an impeller which can pressure-send a multiphase fluid at a further higher pump head, and a multistage pump.An impeller 2 comprises a disc 21, and blades 22 having pressure faces Sp oriented to one side in a peripheral directi...
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JP2023101955A |
To provide a lifting device that can reduce an amount of purge gas to be used for preventing a boil-off gas (BOG) from being discharged from a pump column when a submersible pump is carried into the pump column and pulled up from the pum...
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JP2023097111A |
To improve sealability of a foot valve assembly of a sub-merged pump system.Foot valve assemblies 6, 6A respectively have: cylindrical adapters 10, 10A, each of which is fitted to a lower opening end 2b of a cylindrical pump column 2 whe...
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JP2023090379A |
To provide a plain bearing device for molten salt that is superior in wear resistance and corrosion resistance in a molten salt environment, a pump with the plain bearing device for molten salt, and a method for operating the pump.A plai...
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JP2023090843A |
To provide a non-block pump which can improve the passage performance of foreign matters without complicating a device constitution.A non-block pump 100 comprises a pump casing 3, a main plate part 7, and a blade part 8 placed at a sucti...
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JP7290423B2 |
To provide a pump capable of suppressing a running cost.A pump 100 comprises an expeller 5 and a seal ring type shaft sealing part 10 provided behind the expeller 5. The shaft sealing part 10 has a stuffing box 50, and a stuffing box lin...
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JP2023073041A |
To provide a submerged pump capable of restraining clogging of a vent hole caused by a foreign matter.A submerged pump includes an electric motor, a pump casing 6 disposed below the electric motor and having a substantially cylindrical s...
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JP7276099B2 |
A non-clogging pump includes a pump casing and an impeller that includes a main plate portion and a vane portion, in which the main plate portion includes a main plate protrusion portion that protrudes in a counter-inflow direction, the ...
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JP7275259B2 |
A pump side part for use with a centrifugal slurry pump for pumping a fluid mixture containing particulate matter, the pump side part comprising a main body having a main axis, the main body including a side wall section which extends la...
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JP2023064659A |
To provide a submersible stirring sand pump which does not need to extend its shaft and enables long-term operation at low costs when a stirring function is provided in the submersible stirring sand pump.A body 1 of a submersible stirrin...
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JP7267181B2 |
To provide a crude oil mining pump that can be used more stably.A crude oil mining pump comprises a production pipe which is cylindrical along an axis extending vertically, a pump rotor which extends axially in the production pipe, and a...
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JP7257237B2 |
To provide a strainer assembly for particle recovery pump, a strainer for particle recovery pump, a particle recovery system, and a particle recovery method which are suitable for recovering particles.A strainer assembly for a particle r...
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JP7249795B2 |
To provide a double casing pump that can be operated more stably.A double casing pump 100 comprises: an impeller 2 capable of rotating around an axis Ac, an inside casing 3 covering the impeller 2 from the outside, and forming a flow pas...
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JP2023042640A |
To make compatible both the prevention of thrombus caused by the solidification of blood, and the prevention of erythrocytolysis at a bearing part of a centrifugal pump.A centrifugal pump comprises an impeller, a pump housing for accommo...
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JP7227956B2 |
A molten metal pump assembly and method to fill a mold with molten metal, such as aluminum. The assembly includes a support frame for suspending the molten metal pump above a furnace. The support frame includes a mechanism for lifting an...
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JP7228073B1 |
A pump device, a pump system, and a method of operating the pump system are provided that are suitable for higher speed rotation than a pump with a liquid-sealed rotor without leakage of liquid hydrogen to the external environment. A pum...
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JP2023016327A |
To provide a pump casing that can prevent a pump from being clogged with foreign substances.A pump casing 5 comprises a cutter 30 comprising an upper surface 35 opposed to a front edge part 20 of an impeller 4 when the impeller 4 is hous...
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JP2023004056A |
To provide an impeller and a submersible pump which can reduce the manufacturing cost and can improve mechanical balance.An impeller 42 includes: a back shroud 52 formed of resin material and fixed to a rotating shaft 24; a front shroud ...
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JP2023004058A |
To provide an impeller and a submersible pump capable of enhancing welding strength of a vane and a shroud.An impeller 42 includes: a main plate 101 formed of resin material, and having a back shroud 52 fixed to a rotating shaft 24 and a...
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JP2023004057A |
To provide an impeller and a submersible pump capable of increasing welded surfaces of a vane and a shroud.An impeller 42 includes: a main plate 101 formed of resin material, and having a back shroud 52 fixed to a rotating shaft 24 and a...
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JP7193424B2 |
A cutter assembly and high volume submersible shredder pump. These are for reducing the size of solids within a liquid which is to be pumped by chopping, grinding, shredding or cutting. An improvement over prior designs employs a cutting...
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JP2022158118A |
To provide a pump casing which can prevent foreign objects from remaining on a tongue part without deteriorating pump efficiency.A pump casing 30 is a pump casing for a vortex pump which houses an impeller 41. The pump casing 30 includes...
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JP2022156880A |
To provide a pump capable of reliably removing string-like, fibrous or fabric foreign matters catching on an impeller.An impeller 1 of the pump includes a hub 13, and a blade 2 spirally extending from the hub 13, the blade 2 having a fro...
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JP7153567B2 |
Turbomachines, as well as their components, are disclosed being in the field of production and treatment of oil and gas containing e.g. hydrocarbon plus hydrogen sulfide, carbon dioxide, with or without other contaminants. The components...
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JP2022147180A |
To improve an attachment structure of an anti-corrosive member in a submersible device.A submersible device (a submersible pump 1) comprises: first casings (a motor casing 33 and a pump casing 22); second casings (a motor cover 34 and an...
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JP2022148726A |
To provide a mining pump that is less affected by a slurry component.A mining pump comprises a production pipe, a pump rotor, and a pump stator surrounding the pump rotor. The pump rotor has a pump shaft, and an impeller rotating with th...
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JP2022141264A |
To provide a pump capable of preventing or suppressing blockage of a plurality of blades formed in an impeller at an inner diameter part as much as possible.A crushing pump 1 comprises a casing 20, and an impeller 4 arranged inside the c...
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JP2022139571A |
To provide a protection structure of a submerged pump which prevents foreign objects from being caught in a shaft sealing part, and to provide a protection method.In a submerged pump, a shaft sealing part 4 which prevents ingress of wate...
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JP2022100310A |
To provide hard film having excellent sand wear resistance.A hard film comprises a nitride containing Al and Cr as primary components, and the thickness is 6 μm or more.SELECTED DRAWING: None
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JP3238090U |
To provide a fluid transport pressure boosting impact catalyst device used for foam fire extinguishing equipment. The fluid transport pressure boosting impact catalyst device 20 used for foam fire extinguishing equipment includes a disk ...
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JP2022094499A |
To provide a seal insertion jig by which a worker can easily and correctly exchange a seal member such as a shaft seal part of a slurry pump even if the worker is not a skilled worker.A metal-made seal insertion jig for use in the exchan...
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JP7090442B2 |
To provide a control system that can control rotation of a windmill so that rotation speed in the windmill is optimized even in an unstable wind state.The control system comprises: a learning part that learns correspondence information b...
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JP7090440B2 |
To provide a control system capable of performing appropriate control according to the relationship between wind speed and regenerative power.The present invention includes: a learning unit that learns correspondence information between ...
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JP7077277B2 |
To provide a low-temperature liquefied gas ooze-out device which can be adapted even to a high-performance comparatively-large sized liquefied gas pump without being limited in the durability of an ooze-out pipe, and does not limit a pos...
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JP7073137B2 |
To provide a centrifugal pump capable of suppressing intrusion of foreign matter, without impairing a high place or long distance transfer function for liquid lifting as a high lifting pump.A centrifugal pump 1 has an impeller 10 rotatin...
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JP7072816B1 |
To provide a machine tool cutting device capable of normally supplying a machine tool to a machine tool by a pressure pump without providing a filtration device or the like. A rotary shaft (1) extends outward from a suction port (8) for ...
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JP7065745B2 |
To provide a cryogenic fluid circulation type cooling system capable of suppressing wasteful consumption of a cooling fluid by eliminating need to discharge air bubbles generated by evaporation of a cooling fluid at the time of precoolin...
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JP7059158B2 |
To provide a cryogenic liquefied gas pump capable of stably operating with liquid level variation suppressed, and an operation control method therefor.A cryogenic liquefied gas pump 1 according to the present invention is a non-immersion...
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JP7041866B2 |
To provide an impeller for a vortex type pump capable of improving pump efficiency at a low cost without intricately deforming a conventional blade shape.An impeller for a vortex type pump includes a plurality of blades, and a front surf...
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JP7024822B2 |
A non-clogging pump (100, 200, 300) includes: a pump casing (3); an impeller (4, 204) including a main plate portion (41), a vane portion (43), and a central protruding portion (42); and a rotating shaft (1), in which an end portion (431...
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JP7015253B2 |
In accordance with one aspect of the present exemplary embodiment, a molten metal pump comprising a refractory material body defining an elongated chamber is provided. The chamber is configured to receive a shaft and impeller assembly. T...
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JP7012435B2 |
To provide a vertical pump which enables improvement of rigidity of a tie bolt.A vertical type pump 4 includes: multi-stage impellers 7; an intermediate casing 20 covering the multi-stage impellers; an external casing 18 which is provide...
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