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JP2005307784 |
To provide a control device for a submerged pump, for pumping up hot spring water with stable pressure, adapting the frequency or the magnitude of power supply voltage, and suppressing influence of noise or surge.The control device for a...
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JP3736655 |
To suppress generation of vibration or the like by bringing air/water operation close to idle operation by sucking a large amount of atmospheric air in a pump at a low water level. Suction pipes 34 are connected to the lower end of a col...
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JP3735602 |
To provide a vertical shaft pump in which a previous standby operation without a hunting operation or a water-air mixing and discharging operation can be made. A casing 12 of the vertical shaft pump 11 is provided with an upper part suct...
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JP2005299568 |
To provide a movable vane pump device having bearings not requiring a lubricating water supply mechanism requiring high equipment cost.A movable vane impeller 28 pivotally supported on a hollow drive shaft 24 so that a blade angle can be...
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JP2005296528 |
To provide a blood pump flow rate estimating method for effectively suppressing the deterioration of precision in a flow rate estimation result due to the individual difference of a blood pump characteristic.The method comprises; a first...
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JP3732627 |
To provide a controller of a water supply system comprising a plurality of pumps, by which the setting of the parameter necessary for the control of the pumps, can be simplified. This controller of a water supply system comprising a plur...
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JP2005291180 |
To provide a pump device in which labor of maintenance can be suppressed.The pump device is equipped with a pump 310 for discharging liquid, a temperature detector 329 which is a temperature detector for detecting water temperature in th...
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JP2005290972 |
To inhibit the generation of an air suction vortex, and to stably suck a fluid up to a lower water level.In a pump gate 8, a plurality of submerged pumps 16 are installed to a door body 15 opening and closing a watercourse 6. In the pump...
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JP2005291179 |
To provide a pump device capable of starting while controlling pressure drop.The device is equipped with a pump 310 for discharging liquid, a prime mover 210 for driving the pump 310 and a controller 230 for controlling speed of the prim...
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JP2005273551 |
To provide an underwater sand pump which can suck while controlling a sand containing rate at a constant value irrespective of an amount of inflow of sand or an amount of sediment sand, which is prevented from being buried by a large amo...
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JP3724422 |
To provide a DC pump capable of reducing mechanical loss, eliminating constitution such as a shaft, bearing and the like, lengthening a lift of a pump, saving costs, needing no high-level machine work for generation of dynamic pressure, ...
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JP3723985 |
PURPOSE: To provide an energy-saving circulation pump which uses as its power source a heat medium that is forcibly circulated through each house as in the house central hot-water feeding, heating method of a multiple dwelling house, etc...
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JP3720011 |
To provide direct coupled variable-speed water supply equipment capable of facilitating setting in field installation of a pump and performing stable estimated terminal pressure constant control operation even with the fluctuation of an ...
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JP2005248899 |
To provide a pump device capable of easily preventing failures of a pump driving motor in accompany with starting/stopping of a pump.The pump device comprises the pump 310 driven by the motor 210 for discharging handling liquid and a con...
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JP2005248901 |
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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JP2005249344 |
To provide an air circulation device having simple construction for improving heating efficiency by effectively circulating air in a room and managing its temperature.The air circulation device comprises a required-height cylindrical bod...
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JP2005248900 |
To provide a compact pump device capable of stable control.The pump device comprises a pump 310 for pressurizing fluid, a DC brushless motor 210 for driving the pump 310, a DCBL controller 235 for controlling electric power for driving s...
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JP2005240623 |
To provide a vertical shaft pump system particularly suitable for advanced standby operation by securely flowing any or stable air pressure and air amount into a suction pipe disposed on the upstream side of an impeller and a pumping pla...
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JP2005240622 |
To provide a vertical shaft pump system particularly suitable for advanced standby operation by securely flowing any or stable air pressure and air amount into a suction pipe disposed on the upstream side of an impeller and a pumping pla...
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JP2005232995 |
To hold a water level of a pump well in a specific range, by adjusting the number of operation platforms of a pump in response to a predicted inflow quantity, while preventing an increase in a business burden of an operation operator, an...
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JP3713621 |
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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JP2005233044 |
To provide a coolant pump of extremely simple constitution in which warm-up performance of an engine can be improved.A water pump 16 is provided with a permanent magnet 26 to which engine rotation is transmitted, a sleeve 32 to which a g...
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JP2005233089 |
To provide a pump capable of protecting a motor and the pump even if pressure of water flowing in the pump gets abnormal and a separating plate bends.In a magnet coupling type pump 10, an over-current detection circuit 60 detects abnorma...
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JP3709588 |
PURPOSE: To precisely and easily detect discharge quantities of pumps connected together in parallel without using any expensive sensor by finding an arithmetic expression for a discharge quantity on the basis of a curve of a flow rate t...
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JP3710553 |
To eliminate a useless operation by storing drive modes made to contain the speed, operation time and rest time of a motor as elements, and performing operational control via the selection of one of the drive modes on the basis of the sp...
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JP2005220886 |
To provide a pump capable of changing a flow rate.In this pump 10, an impeller 16 having centrifugal blades is arranged inside a pump chamber 50, and fluid at a predetermined flow rate is flowed from a suction port 54 of the pump chamber...
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JP2005220895 |
To enable easy handling, eliminate the possibilities of failure and malfunction, and enable easy change in a control water level, in a submergible pump used for civil engineering works, construction works or the like and equipped with an...
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JP3708671 |
To improve the efficiency of and reduce the weight of a drainage pump having the possible smallest size and simplest structure and remove torque fluctuation caused by frequency by arranging a motor whose rotational speed is gradually inc...
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JP2005214062 |
To always hold the correct operating state of a wastewater pump apparatus by detecting at least one of a defect in a wastewater pump, a defect of a motor, and the inspection time of the apparatus.This current indication meter 8 for the w...
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JP3706278 |
To discharge residual water in a pump and in the neighbourhood of the pump even in the case when the pump is left in a driving stop state as water is not used for a long period of time at the demand side. An automatic valve 12 installed ...
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JP3705712 |
To provide a rainwater pump controller capable of properly and economically controlling a group of rainwater pumps even in the case of a sudden rainfall. First of all, a rainwater pump controller 10 decides a weather mode based on the am...
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JP2005207322 |
To improve pump efficiency of a pump apparatus which uses an ejector to raise a suction head.It is determined whether a cavitation is generated in a motor control portion based on a value of a current applied to an electric motor 22. If ...
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JP3702364 |
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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JP2005201051 |
To provide an inexpensive and easy-to-use pump device high in maintainability and low in energy consumption, in which the need to open a cover of a pump is eliminated when checking display content of a display output means for displaying...
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JP2005201137 |
To provide a single-shaft multi-stage pump capable of reducing size and saving space.The single-shaft multi-stage pump comprises a rotating shaft 1 having an impeller 2 in multi stages, bearings 31 and 43 for supporting the rotating shaf...
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JP2005194970 |
To stably control discharge pressure of a pump in a water supply device provided with a control system keeping pressure in a water supply conduit at a target pressure by controlling speed of a motor for pump drive by a variable speed con...
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JP2005194784 |
To provide a drainage pumping station facility capable of draining into an outer water area from an inner water area without needing power other than auxiliary power.This drainage pumping station facility comprises a cylindrical facility...
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JP2005188461 |
To reduce cost, and to improve working efficiency when installing a submerged pump device by accurately detecting water level inside a vessel without using an air tube.An atmospheric air pressure sensor 11 is provided in a control board ...
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JP3696573 |
To provide a submergible pump and a control method of the submergible pump capable of surely and effectively suctioning and delivering even sediment or slurry including cord-shaped objects. This submergible pump is provided with an impel...
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JP2005181032 |
To provide a flow-rate/pressure/temperature detection device capable of storing a flow rate detection part, a pressure detection part and a temperature detection part in the same casing, and an automatic water supply device equipped with...
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JP3693250 |
To provide an air conditioner functioned as both cooling and heating through over the whole year and allowing coping-with an inexpensive price, in an idling stop vehicle. This vehicular air-conditioner applied for the vehicle of which th...
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JP2005171880 |
To decrease the number of cables which connect a control panel and a submerged pump to each other, to improve the working efficiency at the time of installing the submerged pump system, and to reduce the cost of the cables.The control pa...
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JP2005171788 |
To provide a pump device and a portable terminal for the pump device, capable of simplifying operation, and reducing cost.This pump device 10 has pumps 30A and 30B, and a control means 65 for operating and controlling the pumps 30A and 3...
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JP3690539 |
To stably and continuously transport a low fluid liquid containing gas in large quantities by providing a deaerator to discharge gas separated from a centrifugal pump to forcibly send the low fluid liquid and a control device to control ...
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JP3691035 |
To expand an extent of an operation region (pump head) of a pumping system. A flow control circuit 11 is provided to a storage pump arranged to a lifting pipe 10. The flow control circuit 11 is formed of a first water filling line 16 and...
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JP2005163554 |
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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JP3688154 |
To realize a pump device for liquefied gas having a long lifetime of bearings and feasibility for a long stable operation. In this pump device for liquefied gas a rotational frequency is set in low, about 50 min-1, by an inverter 18 when...
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JP2005155405 |
To provide a fuel pump preventing wear of an impeller and a casing and improving pump efficiency by efficiently canceling pressure acting on a front and a reverse surface of the impeller.Magnets are fixed on a first surface 17a and a sec...
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JP3686194 |
To eliminate an electric mechanism in a water drop mechanism so as to easily use the water drop mechanism by providing with a water drop pipe formed in such a constitution that an impeller upper part and a delivery pipe upper part commun...
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JP2005147099 |
To provide a fluid machinery module suitable for use in a minimum flow rate and small output, having excellent durability, simple structure, small-sized and compact body, and good productivity.This fluid machinery module has a rectangula...
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