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Matches 651 - 700 out of 6,915

Document Document Title
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
【課題】揚水ポンプに対し個々に計測器を設 置して井戸水の使用水量を計測し、この使用 水量に応じた下水道料金を請求する計側手段 において、揚水モーターの稼働時間を測...  
JP5695790B1
【課題】大型機器・設備の冷却やあるいは消 火活動等のために必要な大量の水を、途切れ ることなく、確実に連続的に大量に送水する ことを実現する大容量送水システムを提...  
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
本発明は、モータ(7)を有するポンプ(2 )と、制御ユニット(6)とを備えるポンプ 装置を制御する方法であって、ポンプ(2) が作動状態にあり、モータ(7)が第1...  
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  
JP2014196709A
To improve it with a simple configuration that a self-priming pump performs a self-priming operation under judgment on its reliability.An operation device (invertor 30) for a self-priming pump of this invention comprises a current sensor...  
JP2014194188A
To provide a pump unit capable of properly responding to a demanded discharge quantity without cutting a runner and preparation of many impellers with different sizes as well as capable of restricting increase in cost by efficiently usin...  
JP2014187753A
To provide an on-vehicle feeding controller capable of effectively suppressing generation of wasteful fuel consumption without depending upon determination based on worker's visual observation and even when no workers are present.The on-...  
JP5587386B2  
JP5587270B2  
JP2014163279A
To provide a technique that can appropriately cool a control circuit.A fuel pump 10 comprises: a pump part 30, a motor part 50 for driving the pump part 30; and a housing 2 for housing the pump part 30 and the motor part 50. The motor pa...  
JP5582653B2  
JP2014156789A
To provide a submersible pump that can keep high shaft seal performance.A submersible pump according to an embodiment of the present invention comprises: an electric motor; a pump part including an impeller connected to a rotating shaft ...  
JP2014141939A
To provide a self-priming pump that can secure a high self-priming performance and shorten a self-priming time, and a method for controlling the self-priming pump.A self-priming pump relating to one embodiment comprises: a pump unit havi...  
JP2014138646A
To provide a sprinkler fire-extinguishing pump system capable of executing a jockey pump operation and a sprinkler operation by dispensing with a jockey pump.A control device of each story zone of a medium-high rise building includes: se...  
JP2014138497A
To prolong time of operation with power supplied from a power storage device.A water supply device 300 comprises: a motor pump 310 for transferring water; a power unit 320 which supplies first power supplied from a commercial power suppl...  
JP5550960B2  

Matches 651 - 700 out of 6,915