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Patent Searching and Data


Matches 751 - 800 out of 7,217

Document Document Title
JP6185284B2  
JP2017141788A
[Subject] Provide an auxiliary pressurization pump unit applicable also to little fire-extinguishing device of a flow. [Means for Solution] It is a pumping plant for auxiliary pressurization which is connected to firefighting equipment w...  
JP2017141771A
[Subject] Suspension of water supply is avoided, and pressure of a water tap can be maintained, and a control method of a boiler feeding device with high energy efficiency and a boiler feeding device is proposed. [Means for Solution] A b...  
JP2017137801A
[Subject] A boiler feeding device which can distinguish clearly a temporary defect of operation and failure of a flow element is provided. [Means for Solution] A boiler feeding device is provided with the following. Pump 2, Electric moto...  
JP2017137849A
[Subject] A control method of a pump unit which can stop decreased pressure at the time of Reduction , and a pump unit is provided. [Means for Solution] A pump unit concerning one form of the present invention is based on discharge press...  
JP2017522558A
The present invention relates to a method of determining the amount of discharge of a pump. In relation to this, a value like Yo of a pump and a value of power of a pump are measured. Each frequency function to Head and power is calculat...  
JP2017137799A
[Subject] A boiler feeding device which can detect failure of a flow element certainly is provided without [with a temporary flow element] outputting an alarm, if unusual. [Means for Solution] A boiler feeding device is provided with the...  
JP2017137874A
[Subject] A possible fuel pump of preventing a vapor lock of a pump room is provided. [Means for Solution] ECU of a fuel pump carries out feedback control of the drive of a motor, and makes number of rotations of an impeller number of ro...  
JP2017137811A
[Subject] Idling of an impeller is detected certainly and damage to a horizontal-axis pump is prevented. [Means for Solution] Horizontal-axis pump 10 is provided with the following. Suction pipe 13, suction elbow 16, impeller casing 15, ...  
JP2017137800A
[Subject] A boiler feeding device which can detect failure of a flow element certainly is provided without [with a temporary flow element] outputting an alarm, if unusual. [Means for Solution] A boiler feeding device is provided with pum...  
JP2017137810A
[Subject] At a pump machine place which uses a horizontal-axis pump, soundness of a flap valve is checked with simple composition, without pulling up a flap valve on the water surface. [Means for Solution] A pump machine place is provide...  
JP2017133409A
[Subject] While controlling waste of pump power in an air lock state, a drain pump provided with high reliability and the ease of a maintenance and an operating method for the same are provided. [Means for Solution] Under floor pipe 3 wh...  
JP2017129108A
[Subject] A pumping mode pattern control method controlled so that a pumping plant serves as energy-saving operation is provided. [Means for Solution] In a pumping mode pattern control method of the present invention, it is not because i...  
JP6170302B2  
JP2017122417A
[Subject] The present invention provides a boiler feeding device which can acquire energy-saving nature and the stability of pressure control. [Means for Solution] Pumping plant 20 with which boiler feeding device 1 is provided with moto...  
JP2017518462A
Before according to the 1st mode the present invention relates to how to carry out stop operation of the pump (2) constituted so that the pump transfer of the fluid might be carried out via a lead pipe (4) and stop operation of this pump...  
JP6157278B2  
JP2017516947A
When a pump is choked up as for the present invention, it relates to a method for controlling a pumping plant, A pumping plant is provided with a pump and a control unit, and a pump is provided with a motor, It can be constituted so that...  
JP6149182B2  
JP6149976B2  
JP2017106469A
[Subject] When a flow rate sensor of a paddle type is used, suppress pressure loss as much as possible. [Means for Solution] A self-priming chamber provided in the discharge mouth side of a whirlpool pump driven with a drive motor, A vap...  
JP2017106336A
[Subject] When a flow rate sensor of a paddle type is used, suppress pressure loss as much as possible. [Means for Solution] A self-priming chamber provided in the discharge mouth side of a whirlpool pump driven with a drive motor, A vap...  
JP2017101577A
[Subject] A pumping plant which can start a pump is provided without generating failure of a component of a pumping plant. [Means for Solution] A pumping plant is provided with control part 20 which controls revolving speed of pump 2 bas...  
JP2017096293A
[Subject] The reliability of a judgment of whether an automatic feed water pump is performing self-priming operation is raised with simple composition. [Means for Solution] A driving device (inverter 30) of an automatic feed water pump o...  
JP2017096201A
[Subject] Impurities adhering to Falling water detector are removed and a pump which can detect correctly whether a fluid exists in a pump is provided. [Means for Solution] According to the present invention, a pump is provided. This pum...  
JP2017096202A
[Subject] A pump which can detect correctly whether a fluid exists in a pump can be provided without a treating solution contacting Falling water detector directly. [Means for Solution] According to the present invention, a pump is provi...  
JP6137963B2  
JP2017089393A
[Subject] Even if you are a case where it differs like Wicking lifting , provide a control method of a boiler feeding device which needs neither a setup nor operation, and a boiler feeding device. [Means for Solution] Suction piping 10 c...  
JP2017089482A
[Subject] In a pumping plant, not being based on equipment environment but preventing overshooting of pressure at the time of starting and sudden change of water consumption, etc., it breathes out promptly, lateral pressure is coincided ...  
JP2017089506A
[Subject] When a plurality of ribs are provided in an outer wall of a casing, a pump prevents the situation whose suction becomes impossible. [Means for Solution] Electric motor 10 and casing 15 in which suction opening 151 which inhales...  
JP6134800B2  
JP6133672B2  
JP6134175B2  
JP6134821B1
[Subject] The present invention provides the boiler feeding device which can acquire energy-saving nature and the stability of pressure control. [Means for Solution] Pumping plant 20 with which boiler feeding device 1 is provided with mo...  
JP6132694B2  
JP6133676B2  
JP6134183B2  
JP2017082755A
[Subject] When lubricous [of the bearing] is not carried out by cooling water, a control method of an electric rotary pump device which deters rotation of a motor and prevents wear of a bearing, and an electric rotary pump device is prov...  
JP2017082694A
[Subject] A rise of a water level can be followed and a pump control device with high safety, a pump control method, and a drainage system are provided. [Means for Solution] It is a pump control device (12) which controls a plurality of ...  
JPWO2016030975A1
In a boiler feeding device, it makes it possible to perform time of day control of a boiler feeding device, without using a timer unit. A plurality of electric motors which rotate a plurality of pumps and a plurality of above-mentioned p...  
JP2017075612A
[Subject] Machine time by electric power supplied from an accumulating electricity device is lengthened. [Means for Solution] Power output section 320 which supplies motor pump 310 with which boiler feeding device 300 transports water, a...  
JP6116446B2  
JP6118567B2  
JP2017072117A
[Subject] It is providing a boiler feeding device which can prevent full suspension of water supply, without requiring additional hardware. [Means for Solution] According to one form of the present invention, a boiler feeding device is p...  
JP2017067073A
[Subject] Though frequent starting of a motor is avoided, an operating method of pump equipment and pump equipment which can avoid damage to a clutch mechanism effectively is provided. [Means for Solution] It was provided in the discharg...  
JP6108716B2  
JP6100912B2  
JP6096443B2  
JP2017048796A
[Subject] When an abnormal value is detected during operation, it is carrying out [not stopping as failure] degradation and performing continuation of operation preferentially, and avoid suspension of water supply if possible. [Means for...  
JPWO2015059800A1
With a boiler feeding device using a plurality of pumps driven with an electric motor by which rate control is carried out with the conventional inverter, If a load current value of a pump under operation is beyond an amperage rating val...  

Matches 751 - 800 out of 7,217