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Matches 651 - 700 out of 6,930

Document Document Title
JP5748420B2  
JP5746155B2  
JP2015121153A
To precisely control a flow without a flow meter in a pump system.A flow estimation model having higher estimation accuracy is selected on the basis of the variation of a pipe system curve from a first flow estimation model (M1) which es...  
JP2015121218A
To provide a control method for minimizing electrical energy consumed by a pump during a process of filling or draining a tank, the method making it possible to save electrical energy consumption across the entire range of operation of t...  
JP5741318B2  
JP5738286B2  
JP5736438B2  
JP2015105649A
To provide a rainwater pump control device capable of attaining adaptation for rapid and severe flowing-in of rainwater by detecting flowing-in of rainwater in advance and performing a stand-by operation of the rainwater pump in advance,...  
JP5727881B2  
JP5723642B2  
JP2015096702A
To provide a deep well submerged pump capable of: keeping a foreign matter such as gravel and sludge from entering into a submerged pump while the submerged pump is in operation for a long period of time; and preventing a submerged motor...  
JP2015094322A
To perform a preferable control over a rainwater drainage pump.A rainwater drainage pump control device in accordance with one preferred embodiment controls a plurality of rainwater drainage pumps where a start sequence has already been ...  
JP2015094330A
To perform an automatic operation of a self-priming pump not requiring any electric wiring from a location near a water intake tank.Getting a pressure value in a suction chamber enables a water intake state to be recognized whether or no...  
JP5715985B2  
JP5719010B2  
JP5715487B2  
JP2015086805A
To provide a rotary machine capable of suppressing unstable characteristics at a low flow rate while suppressing an unstable phenomenon due to cavitation.A rotary machine includes: an impeller 2 including blades 3 and rotating around an ...  
JP2015086720A
To provide a system and a system control device capable of reducing the number of component elements constituting a starter 10.A battery 44, switching element S¥#, capacitor 42, stator coil 34¥ and solenoid coil 52 are provided to enab...  
JP2015087920A
To provide a management apparatus of water supply facility and a management system of water supply facility capable of easily building a management system of a water supply facility.The water supply facility reserves water in a water tan...  
JP2015082940A
To operate a fluid pressure feed device continuously even if short circuit occurs in one electrode pair, in a technology for applying a voltage to a plurality of electrode pairs and fluidizing the working fluid by EHD effect.A fluid pres...  
JP2015078671A
To provide a pump unit that dispenses with an expensive high-lift pump and that makes it unnecessary to install relay equipment on midway floors of a building.A pump unit comprises two pumps (P1 and P2) that are arranged in series within...  
JP5704882B2  
JP3196925U
[Subject] A measuring instrument is separately installed to a storage pump, water consumption of well water is measured, in a total side means to charge an effluent charge according to this water consumption, hours worked of a pumping mo...  
JP5695790B1
[Subject] A mass returning-water system which realizes returning certainly continuously a lot of water required for cooling of large-sized apparatus and equipment or fire fighting in large quantities, without breaking off is provided. A ...  
JP5698603B2  
JP2015059480A
To quickly increase a temperature of a liquid when there is risk of the liquid in a casing coagulating.A water supply device controller 500 is an operation device for controlling an operation of a liquid supply device 1000 having: a pump...  
JP5685501B2  
JP2015045257A
To provide an automatic operation type underwater pump capable of detecting plural water levels with one float switch without providing plural float switches.In the automatic operation type underwater pump with a motor 3 as a prime mover...  
JP2015045256A
To provide an automatic operation type underwater pump capable of detecting plural water levels with one float switch without providing plural float switches.In the automatic operation type underwater pump with a motor 3 as a prime mover...  
JP2015506433A
When the present invention is the method of controlling a pump (2) which has a motor (7), and a pumping plant provided with a control unit (6), a pump (2) is in an operation state and a motor (7) is driving in the 1st direction, The moto...  
JP2015038329A
To provide a countermeasure technology against some defects found in a device in which an operation and a stopping of a submerged pump are carried out under application of the conventional water level sensor so as to control a water leve...  
JP2015034513A
To provide an abnormality detection device capable of accurately judging presence or non-presence of occurrence of abnormality at a pump and a pump system, polluted water transfer pump device and a monitoring device.This invention relate...  
JP2015031176A
To provide a liquid supply device capable of setting a delivery pressure of a pump to be a target pressure value without oscillation, and capable of suppressing the cost.A water supply device 10 includes a plurality of pump devices 20 ar...  
JP2015031273A
To provide a pump unit, although it is difficult to set a mounting position (height) of a water level switch and a threshold value of a water level sensor because water from various water sources such as a water tank, a pond or a river f...  
JP2015025353A
To provide a rainwater drainage pump control device that properly controls a rainwater drainage pump.A rainwater drainage pump control device of the embodiment has a water-level setting part and a pump control part. The water-level setti...  
JP2015025367A
To provide an automatic operation type one channel submerged pump showing a superior heat radiation of a control circuit even in the case where some elements constituting the control circuit and the like are arranged in a space within a ...  
JP2015025427A
To provide a feed water supply system capable of achieving energy saving while inhibiting a pump start frequency from excessively increasing.A feed water supply system includes a control unit 40 controlling a pump 2 to operate. If a flow...  
JP2015010479A
To provide a pump which can suppresses an increase of a lift at shutoff time.A pump comprises: an outer cylinder casing in which an internal passage 8 reaching a discharge port 18 from a suction port 17 is formed; an impeller which is ac...  
JP2015012738A
To achieve energy saving of power generation energy for electrical apparatuses in a ship, including an electric motor for driving a pump or the like.A ship includes electric motors 14a-14d for driving pumps 11a-11d. The electric motors 1...  
JP5638502B2  
JP2014222038A
To restrict occurrence of hunting of a liquid level and make an average cumulative operation time of a plurality of pumps in pump equipment for discharging liquid under application of a plurality of prior standby type pumps.Pump equipmen...  
JP2014222042A
To provide a well pump device that allows a control pressure value to be checked during operation.When control pressure information is changed, display means displays the control pressure information together with a status of the well pu...  
JP5629614B2  
JP5631236B2  
JP2014214743A
To provide a pump device capable of automatically determining an optimal target pressure control curve according to an operation condition.A pump device comprises: a pump 2; a motor 3 for driving the pump 2; a driving device 20 for speed...  
JP2014214715A
To provide a pump device capable of automatically determining an optimal target pressure control curve according to an operation condition.A pump device comprises: a pump 2; a motor 3 for driving the pump 2; a driving device 20 for speed...  
JP2014206122A
To provide a pump device capable of detecting a liquid leakage exceeding a predetermined amount and occurring through a mechanical seal during normal time and also detecting a liquid leakage occurring due to failure of the mechanical sea...  
JP2014202144A
To provide a diagnostic method for centrifugal pump capable of recognizing a cause of reducing performance even if the pump is disassembled and capable of estimating a proper parts replacing time.In a centrifugal pump having wear compone...  
JP5612450B2  
JP5613520B2  

Matches 651 - 700 out of 6,930