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Patent Searching and Data


Matches 751 - 800 out of 6,693

Document Document Title
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 ...  
JP4635282B2  
JP4635192B2  
JP4628556B2  
JP4629044B2  
JP4630123B2  
JP4627824B2  
JP4625306B2  
JP4622562B2  
JP4623038B2  
JP2011017346A
To provide a pump device performing estimated terminal pressure constant control without causing insufficient water supply or insufficient water supply pressure.This pump device includes: a pump 310; a pressure detection means 323 detect...  
JP4619052B2  
JP4617536B2  
JP4613596B2  
JP4612954B2  
JP2011501028A  
JP2010539380A  
JP2010276006A
To solve problems of conventional water supply secondary pump number control in which since the number control is performed by a system using a two-position regulator by load flow measurement or by use of a number control controller, att...  
JP2010275688A
To provide a boost water supply system for high-rise building operating a plurality of variable speed pumps arranged in parallel and driven by an electric motor controlled by variable voltage-variable frequency power supply and controlli...  
JP4588344B2  
JP4592354B2  
JP4590677B2  
JP4589026B2  
JP4585517B2  
JP2010261338A
To provide a boost water supply unit preventing seizing of a pump, used for a direct connection type boost water supply device at its second stage or thereafter.The boost water supply unit includes: a pressurizing pump; a check valve; a ...  
JP2010261339A
To provide a boost water supply device generating no periodic fluctuation of pressure.A pressure tank is connected to piping on the intake side of a pressurizing pump. A flow rate adjusting part is provided between the pressure tank and ...  
JP2010261386A
To provide a pump device capable of easily controlling the discharge amount of each of a left heart blood pump and a right heart blood pump as a blood pump for an artificial heart.An upper rotor 5a above a stator 4 and a lower rotor 5b b...  
JP2010254281A
To save cost, space, and energy and labor for operation and maintenance in the entire engine cooling device of a ship.Pumps 21 including a pump of two-suction port type and a cooler-related devices 51G, 51J are disposed on the lower/uppe...  
JP4573429B2  
JP2010242730A
To provide a pump device and a method accurately managing a vibration tendency of a pump.This invention relates to the pump device for pumping up liquid in a suction water tank. This pump device has a pump having a rotary shaft 6, an imp...  
JP2010242511A
To provide a general purpose pump device simply preventing an extreme drop of pumpage to the occurrence of cavitation.If characteristics of motor rotation speed Nm and pump operation current value Im which are peculiar for occurrence of ...  
JP2010242521A
To provide a pump which prevents the complication of an internal structure and manufacturing process and the enlargement of a body size, and which can determine pump service life.The pump 1 consists of a rotor 3 equipped with a magnet 31...  
JP2010236190A
To provide a controller for a submerged pump, capable of adjusting the average flow rate of water to be fed under pressure by the submerged pump simply. This controller for the submerged pump includes a water storage tank for storing the...  
JP2010236498A
To provide a control device for a manhole pump device that prevents the occurrence of foreign matter tangling in an impeller and blocking inside a pump casing by accumulating without increasing a starting frequency, and a control method ...  
JP2010236191A
To provide a controller for a submerged pump, capable of detecting an operation state of an automatic cut-off without taking out an auxiliary contact signal and controlling the submerged pump properly even if the submerged pump incorpora...  
JP2010229859A
To provide a water supply device preventing pressure on a secondary side of a water supply pump from becoming excessive.The water supply device 1 includes a plurality of pump units respectively connected to a branch pipe branching off a ...  
JP4563319B2  
JP2010216288A
To provide a parallel-off control method and system for a parallel pump, in which N(N≥2) units of variable speed pumps driven by a variable voltage and a variable frequency power source are constituted so as to execute parallel operati...  
JP4555435B2  
JP4553664B2  

Matches 751 - 800 out of 6,693