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Matches 601 - 650 out of 6,907

Document Document Title
JP2016044555A
【課題】エアロック運転状態の時間を短縮す ることができる先行待機型ポンプを提供する 。【解決手段】先行待機型ポンプは、羽根車 10により吸いこまれた水を吐出水槽3...  
JP2016044557A
【課題】本発明は、給水装置に係わり、特に 家庭用井戸水ポンプの運転制御に関する。小 水量の漏水発生状態あるいは小水量の水の使 用において、繰り返し運転されるポンプ...  
JP5890669B2  
JP2016037930A
【課題】2種類以上の専用自動運転の電動ポ ンプを用いることなく、検知部の高さ調整作 業の容易な、非自動運転型ポンプのように小 型・軽量化が可能で、小型の狭い槽内へ...  
JP5872340B2  
JP5868846B2  
JP5857089B2  
JP2016017418A
To detect cavitation characteristic of a hydraulic machine and diminishing or eliminating the strength of the cavitation.A direct acting type hydraulic machine in which a single shaft is shared between an electric motor or an electric ge...  
JP5841386B2  
JP2016000985A
To provide a pump control system capable of prolonging the service life of a plurality of electric pumps for feeding fluid to a common fluid flow passage.A pump control system includes a plurality of electric pumps P for feeding fluid to...  
JP5839803B2  
JP2015222062A
To provide a liquid supply device capable of restricting occurrence of repetition of increasing or decreasing of the number of operating pumps.This invention has a control panel 110 including a micro-computer 111 for use in controlling o...  
JP2015218586A
To provide a pump device which prevents fastening of a rotation part of an impeller and the like and a fixing part of a casing, a casing cover and the like caused by rusting locking and water scale locking.A pump device includes: a pump ...  
JP5823348B2  
JP2015209817A
To provide a liquid supply device that can prevent an increase in cost while preventing a decrease in the efficiency of work on a control panel.A water supply device 10 comprises a flow passage 20, a pump 30 that discharges water to be s...  
JP5820327B2  
JP5817062B2  
JP5813527B2  
JP5815475B2  
JP2015202424A
To provide a supernatant water discharge device that can prevent an overflow of a sedimentation basin due to concentrated heavy rain.The device comprises: a submersible pump 10 provided in a first sedimentation basin D; a float member 30...  
JP2015200213A
To provide an inexpensive electrically-driven water pump which can increase the reliability of an engine by continuing to supply a slight amount of water to the engine when the engine temporarily stops due to an engine stop function.A co...  
JP5810022B2  
JP5809861B2  
JP2015194156A
To provide a method for controlling the number of operated pumps in such a way that the pump devices are operated in an energy saving mode.A method for controlling the number of operated pumps in accordance with this invention is carried...  
JP2015190375A
To provide a water pump control device capable of discharging water in a water storage tank and feeding water to the water storage tank by a simple configuration and a control program.This invention relates to a control device 10 for a w...  
JP5792542B2  
JP5790825B1
【課題】沈殿池が集中豪雨により溢れ出すこ とを防止できる上澄み水排出装置を提供する 。【解決手段】第1沈殿池Dに設けられた水 中ポンプ10と、水中ポンプ10を水面...  
JP5782835B2  
JP5775762B2  
JP5775791B2  
JP2015151866A
To improve the durability of a hydrodynamic bearing pump.A drive control device increases a rotation speed of an impeller up to a floatation minimum rotation speed at which the impeller is supported in a noncontact manner at a preset rot...  
JP2015145626A
To provide an automatic operation type water pump channel submerged pump showing a superior heat radiation at a control circuit even if component elements constituting the control circuit is arranged within a limited space such as a head...  
JP2015146717A
To provide a pump which makes a reliable countermeasure for submergence while inhibiting cost increase.A pump 10 includes: a pump casing 11; an impeller 19 disposed in the pump casing 11; and a waterproof motor 30 for rotationally drivin...  
JP5752979B2  
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  

Matches 601 - 650 out of 6,907