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Matches 651 - 700 out of 6,982

Document Document Title
JP2016125477A
[Subject] Provide a boiler feeding device which can raise pump efficiency. [Means for Solution] Suction pipe 21 by which boiler feeding device 1 was connected to a water supply source, and branch pipe 23 which branches suction pipe 21 to...  
JP2016116409A
[Subject] A motor controlling device which can control continuously the amount of discharge of cooling water by a water pump is provided. [Means for Solution] Position detector circuit 116 changes into a pulse signal induction voltage wh...  
JP5921085B2  
JP5921160B2  
JP2016089645A
To provide a water pump capable of shortening time for engine warm-up operation.A water pump 1 comprises: a first gear 12 that rotates about a first axial center X by a driving force applied from outside; a second gear 22 that is engaged...  
JP2016089646A
To provide a water pump capable of shortening time for engine warm-up operation.A water pump 1 comprises: a first gear 12 that rotates about a first axial center X by a driving force applied from outside; a second gear 22 that is engaged...  
JP2016079951A
[Subject] The small weight saving of the water level maintenance device is carried out, and height and weight of pump equipment are reduced. [Means for Solution] Water level maintenance device 4 has water level detecting device 18 and in...  
JP2016513194A
A water level detection control circuit applied to the drain pump containing an electric power supply unit, a detection unit, and a water pump unit and an operating method for the same are provided. An electric power supply unit is used ...  
JP5914365B2  
JP2016050524A
To provide a water supply device capable of suppressing power consumption during a backup operation mode.A water supply device 10 includes a water supply pipe 40, pumps 51, 52, a flow sensor 70, a pressure sensor 60 and a control board 5...  
JP2016048052A
To provide a submerged pump which enables improvement of heat radiation performance of a control device.A submerged pump includes: a motor 10; a pump 11 connected with the motor 10; a control device 12 including a cover 21 made of a resi...  
JP2016044555A
To provide a pre-standby pump capable of shortening air lock operation state time.A pre-standby pump includes a lifting pipe 5 for transferring water sucked by an impeller 10 to a delivery water tank 31, a flap valve 23 provided on an op...  
JP2016044557A
To make the invention relate to feed water equipment, in particular, to operation control of a household well water pump, and to solve the problem that the conventional invention leaves a temperature-rise preventing method of a repetitiv...  
JP5890669B2  
JP2016037930A
To provide a less-expensive automatic alternate operation device for non-automatic operation type electric pump and a control method therefor attaining an easy height adjustment work for detector units, enabling a small-sized and light-w...  
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
[Subject] The supernatant fluid water discharge device which can prevent a settling basin from overflowing by local severe rain is provided. [Means for Solution] Submerged pump 10 formed in the 1st settling basin D, and floatage member 3...  
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  

Matches 651 - 700 out of 6,982