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Patent Searching and Data


Matches 601 - 650 out of 6,928

Document Document Title
WO/1983/004286A1
The method is applied to a turbomachine, particularly to a pump, and to a support for a pressure sensor of a gaseous or liquid fluid, particularly an electronic pressure pick-off. The pressure or differential pressure of the fluid (3) co...  
WO/1983/003461A1
A device allows to reduce the power used by the motor of a circulation pump actuated by an electric motor for heating installations. The reduction is obtained by interrupting periodically the network power supply by means of an electroni...  
JP2016130487A
【課題】小水量域での消費電力を低減し、大 水量域のポンプ効率を向上させるために片面 インペラを用いた場合であっても、インペラ とケーシングライナとの接触を防止し、...  
JP2016125477A
【課題】ポンプ効率を向上させることが可能 な給水装置を提供すること。【解決手段】給 水装置1は、給水源に接続された吸込管21 と、吸込管21を複数に分岐する分岐管...  
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
[Subject] A water pump which can shorten time of warming-up operation of an engine is provided. [Means for Solution] The 1st gear 12 that water pump 1 rotates around the 1st axial center X by driving force from the outside, The 2nd gear ...  
JP2016089646A
[Subject] A water pump which can shorten time of warming-up operation of an engine is provided. [Means for Solution] Water pump 1 is provided with the following. The 1st gear 12 rotated around the 1st axial center X by driving force from...  
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  

Matches 601 - 650 out of 6,928