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Patent Searching and Data


Matches 551 - 600 out of 6,696

Document Document Title
JP2013174138A
To provide a well water usage measuring apparatus capable of accurately computing the usage of well water by measuring the operating time of a pumping motor in a measuring means that measures the usage of well water by installing a measu...  
JP2013170460A
To enable instantaneous changeover from a standby operation to a pumping operation even in the case of uniforming the pumping operation time of pumps by reducing transitional load fluctuation in domestic power generation equipment having...  
JP5276309B2  
JP5276310B2  
JP5274524B2  
JP5263093B2  
JP2013148099A
To provide an inexpensive pumping system with a simple structure, configured to reliably supply priming and detect pumped water even if a water pump is used in a tilted state, and to prevent freezing in a priming pipe even if the water p...  
JP2013147986A
To provide a pump control system coping with a failure of a power supply system while increasing redundancy by providing a plurality of electric pumps to a fluid passage.A pump control system includes a first electric pump P1 and a secon...  
JP5248618B2  
JP5244690B2  
JP5230168B2  
JP2013130122A
To notify a user of a pump operating state by visualizing the state and to perform automatic operation depending on the user's intent.A control part 50 calculates a lifting range of a pump 10 based on an suction port and ejection port of...  
JP5222203B2  
JP5215647B2  
JP5214296B2  
JP5215778B2  
JP5213295B2  
JP2013117195A
To provide a water supply system that reduces wasteful operation power by performing pressure control equal to or not lower than direct terminal-end constant pressure control, and is favorable in response.A water supply system comprises:...  
JP5209330B2  
JP2013108446A
To provide a pump control method and a control device therefor, capable of striking a balance between reduction in liquid draining time and prevention of cavity generation, while simplifying a structure.A pump control device includes a d...  
JP2013096311A
To provide a pump control system capable of maintaining the operation of a plurality of pumps at the optimum efficiency point even if the pump characteristics are degraded with the elapse of time by minimizing energy consumption by opera...  
JP5200157B1  
JP2013087622A
To provide a pump capable of stabilizing axial self-oscillation while balancing axial thrust by a simple structure and capable of reducing a leaking flow rate of a slit.The pump includes: a shaft on which an impeller and a pressure sleev...  
JP5193896B2  
JP5193317B2  
JP2013072347A
To prevent an operation deviating from an upper or lower limit input/output range and an operation deviating from a proper rotational speed and a proper guide vane opening, by accurately calculating a simulated total pump head or simulat...  
JP5184416B2  
JP5182479B2  
JP5184417B2  
JP5171419B2  
JP5172245B2  
JP5171429B2  
JP5171013B2  
JP2013050023A
To provide a booster water supply system for determining the performance of a booster pump in a booster water supply part with respect to each of a low-rise zone, a medium-rise zone and a high-rise zone.The booster water supply system in...  
JP2013047499A
To perform pump output regulation simply according to pipe resistance when the pipe resistance is given.A pump device is provided in the middle of a circulation path having predetermined pipe resistance to circulate fluid. The pump devic...  
JP5155709B2  
JP5159187B2  
JP2013040563A
To provide a pump drive control device configured to precisely detect the presence of water using a circulation pump of DC drive.This pump drive control device comprises: a circulation pump 14 of DC drive for circulating hot water; and a...  
JP2013040593A
To provide a pump system for a cold and hot water circulating and supplying system of using a variable speed pump suitable for automatically generating a parameter and an operation expression required for pump operation control and end p...  
JP2013040596A
To provide a pump system in which a plurality of pumps can be driven impartially with a simple constitution.An air vent valve 26 is connected to a suitable portion of a lifting pipe 15 of each of a plurality of pump units 11 and an advan...  
JP5154866B2  
JP5147748B2  
JP5149827B2  
JP5137359B2  
JP5138505B2  
JP2013024073A
To provide a water treatment system in which it is not necessary to install a measurement tank or an electromagnetic flowmeter, entire system costs can be reduced, water can be sent from a flow rate adjusting tank to a treatment tank wit...  
JP2013024151A
To provide a submersible pump control unit, which is capable of reducing costs required for update facilities by effectively utilizing existing control panel facilities, even if installed outdoors under large effects of temperature/humid...  
JP2013027184A
To provide a space-saving pump unit which can perform variable speed operation control by the single pump unit while securely releasing heat.In a pump unit, a pump portion installed in a pump casing and having an impeller and a rotating ...  
JP2013019420A
To calculate shaft power and consumption power required when a pump is operated at an optional operating point based on a pump characteristic value indicating the optional operating point.A reference flow rate calculation part 16A calcul...  
JP2013019421A
To calculate a characteristic value of a pump with high accuracy without measuring operation characteristic data of the pump in advance.A device for calculating a pump characteristic value includes: a reference operating point identifyin...  

Matches 551 - 600 out of 6,696