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Matches 751 - 800 out of 6,728

Document Document Title
JP2011202509A
To provide a high specific-speed pump in which an axial power in a small water volume area during a cutout operation or the like is reduced despite a simple structure.The axial-flow pump P includes a spindle 2 rotatably disposed in a cas...  
JP2011202524A
To always obtain target capacity without concentrating a load at a specific water suction pump.A control part 35 controls the total discharge capacity of a plurality of water suction pumps P1-P8 to the target capacity by repeatingly perf...  
JP4789333B2  
JP2011185190A
To provide an efficient control device integrated type motor pump.The control device integrated type motor pump includes a pump 1, a motor 2 driving the pump 1, a control device 3 controlling the motor 2, and a discharge side pressure me...  
JP4778994B2  
JP4772968B2  
JP2011176946A
To provide a motor device that reduces load on a switching element, and also reduces power consumption, and to provide a pump with the motor device.The motor device 1 includes, a rotor 2, a stator 3 that drives the rotor 2, the switching...  
JP4769937B2  
JP4767488B2  
JP4768133B2  
JP2011163298A
To provide a water feeding pump control device and a water feeding pump control method, which reduce leakage of tap water stored in water supply equipment when leakage occurs by a disaster in the water supply equipment and fire extinguis...  
JP2011157949A
To prevent both of delay in start of drainage and hunting operation, in a drainage pump installed to a suction water tank in which water flowing over a mount flows from the upstream.Pumps 4A-4E are installed to the suction water tank 5 i...  
JP2011157894A
To provide a method and device for predicting a cavitation erosion quantity in a fluid machine, enabling easy prediction of the cavitation erosion quantity.The method includes mounting a vibration acceleration sensor on the fluid machine...  
JP4743147B2  
JP4741312B2  
JP4732229B2  
JP4733381B2  
JP2011520061A  
JP2011137406A
To provide a status diagnosis system and method for a cargo pump, which diagnose the status of the secular change in the cargo pump without opening a cargo handling tank while monitoring the status of the cargo pump, and also provide an ...  
JP2011127460A
To provide a water supply device which prevents the occurrence of water hammer when a pump is started for the first time after the water supply device is stopped for a long period.This water supply device 1 includes: the pump P; a motor ...  
JP4706437B2  
JP4708273B2  
JP2011111982A
To provide reduction of the installation cost of a water level detecting means, reduction of installation man-hours, enhancement of operability, standardization and commonization on a plurality of water level control and functions.A wate...  
JP2011111983A
To provide a water level control system of a water supply pump system, improving problems by parameterizing respective threshold values of operation and stop of water level control and function according to the water level of a water sou...  
JP2011112277A
To perform change control of a set differential pressure and a set water supply pressure without causing problems even in a system having both an inverter pump and a constant-speed pump.A lower limit set value change function of inverter...  
JP4697471B2  
JP4699447B2  
JP4690970B2  
JP4694023B2  
JP4689794B2  
JP4685227B2  
JP2011094563A
To provide a highly reliable pump facility and an operating method, by preventing turbulence of a flow near an intake port caused by back-flow in a suction part, smoothly sucking air therein to shorten the starting time, and thereby impr...  
JP4680922B2  
JP4678798B2  
JP4678799B2  
JP4677081B2  
JP4676721B2  
JP2011080858A
To provide a full water level detector provided with a countermeasure against rusty water that can be equipped to a pump installed outdoors.In a body housing 10, an air passage and an electrode bar chamber 12 including two or more electr...  
JP4675056B2  
JP4675057B2  
JP4668403B2  
JP2011066088A
To provide a function for assuring circulation of an etchant by effectively removing the gas, generated from the etchant, from within an injection line and an injection pump, while using a pump of blade water pump type which does not cau...  
JP2011064113A
To provide an automatic pressure tank type pump that replenishes air into a pressure tank when an inching occurs.An automatic pressure tank type pump 1 includes a pump head 6, a pressure tank 10 that accumulates water pressurized by the ...  
JP4660320B2  
JP2011056401A
To reduce power consumption by controlling speed of rotation of a pump while maintaining the water level of the tank of water treatment equipment in a fixed range.The water treatment equipment includes at least two tanks for storing wate...  
JP4651157B2  
JP4647071B2  
JP4646026B2  
JP4646393B2  
JP2011038513A
To provide a fluid control system disposed at a predetermined distance from a fluid transfer apparatus, in relation generally to control of fluid transport systems, and more particularly, to methods and apparatus for channeling water to ...  

Matches 751 - 800 out of 6,728