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Patent Searching and Data


Matches 601 - 650 out of 2,714

Document Document Title
JP2001295784A
To provide an operating method for a pump capable of delivering water or pumping water by carrying out priming without using a vacuum pump when an operation of a pump is started, and then submerging a pump impeller, in a pump facility pr...  
JP3218976B2
PURPOSE: To improve compact storing property, reduce a cost and improve the balance between self suction property and discharge property by forming a motor storing room, a (coupling mechanical seal) storing room and a water passage for c...  
JP2001280286A
To provide a turbo type pump to rapidly discharge air bubbles, residing during operation, not depending upon the arrangement direction of discharge piping even when the pump is of a small type. The turbo type pump according to this inven...  
JP2001276485A
To surely feed wash water into the washing tub of a washing machine having a self-priming water suction pump by means of priming, by avoiding fluctuation of the rotating speed of a pump motor caused by fluctuation of an AC power supply a...  
JP2001263283A
To solve such problems that an inner capacity of a self-suction casing is contracted, a pump-priming amount is not increased, and thereby, a self- priming acting time is extended, since wall as an obstruction is not formed on an opening ...  
JP2001248592A
To provide an impeller for a pump device capable of reducing a thrust directional load on a rotary driving shaft in a water suction time or a self-priming time and to provide the pump device using this impeller.The impeller 1, which is r...  
JP3200429B2
To attain miniaturization to facilitate the set to a top cover and to perform the automatic supply of priming water by integrally forming the suction port of a bathwater pump, a passage part for guiding the bathwater sucked through the s...  
JP2001214895A
To provide an inexpensively and easily manufacturable pump casing capable of enhancing efficiency of a pump.The base end of a delivery nozzle part 92 of a delivery body 9 by integrally molding the delivery nozzle part 92 and a delivery f...  
JP2001204192A
To provide a control unit of a brushless motor which enables stable starting and transferring from forced synchronous operation to stationary sensorless operation without causing step-out interrupting rotation, by applying a forced synch...  
JP2001183010A
To firmly secure priming to an automatic suctioning pump in a bath apparatus including an automatic suctioning pump on a circulation pipe connecting a bathtub and a boiler. A bathtub 1 and a boiler 2 are connected with each other through...  
JP3181745B2
PURPOSE: To remove vapor effectively under severe conditions of high temperature and prevent discharge performance from decreasing. CONSTITUTION: A pump channel 29 in a casing is provided with a low-pressure side channel part 29a formed ...  
JP2001165090A
To provide an inexpensive pump capable of reducing a stress on a casing due to a repeatedly applied abnormal pressure, reducing the wall thickness of the casing, and reducing the amount of materials.This pump comprises a casing 2 having ...  
JP3177750B2
PURPOSE: To improve feed capacity through escape of air bubbles generated in a pump chamber by forming a continuity port in a suction port with a partition wall therebetween, in a pump to feed liquid with a pressure from the suction port...  
JP2001140785A
To improve responsiveness of a temperature detector and to suppress the abnormal increase of temperature by deleting the different part for mounting of a temperature detector and improving transfer of heat to the temperature detector. A ...  
JP3160461B2
PURPOSE: To provide a recycling system for driving reactor cooling water within a downcomer section situated in a reactor pressure vessel. CONSTITUTION: This system comprises a jet pump 26 arranged within a downcomer section and having a...  
JP2001107884A
To provide a self-priming type centrifugal pump having a structure capable of preventing a staying of water in a bag portion chamber at the time of a stopping of pump operation without increasing the number of part items. In this self-pr...  
JP2001087593A
To secure the positioning of a bath water suction pump, and to lower the installation height of the pump so as to restrict the distance to a back panel of a washing machine and also to simplify the pump assembling, and to restrict the tr...  
JP2001090685A
To provide a self-priming pump device improved in the self-suction performance by efficiency separating the gas and the liquid from each other while preventing the discharge of the priming out of a casing. A self-priming pump device 1 is...  
JP2001079291A
To attain miniaturization to facilitate the set to a top cover and to perform the automatic supply of priming water by integrally forming the suction port of a bathwater pump, a passage part for guiding the bathwater sucked through the s...  
JP2001082376A
To provide a pump device to prevent the occurrence of siphon break during opening operation of a discharge valve, line resistance is rapidly decreased and a pressure in a pump discharge pipe is decreased to a value lower than an atmosphe...  
JP2001079287A
To facilitate a hose connecting work and lead out a water sucking hose in an optional direction by installing a back panel for covering a water feed solenoid valve, forming an opening hole for hose connection on the back panel, and provi...  
JP2001079292A
To perform an automatic priming and prevent the overflow of priming water from a suction port by dividing the discharge port downstream side of a tap water feeding solenoid valve into two passages, allowing one of them to communicate wit...  
JP2001073979A
To suppress seizure of a sliding part caused at the time of an operation by priming, deterioration of a material, and generation of frictional noise and the like by forming a groove from a center to an outer periphery at an upper positio...  
JP2001073980A
To shorten a self-priming time, reduce noise at the time of self-priming, and form a self-priming pump in a compact size by fitting a partition plate for separating a pump chamber and a suction chamber from each other to a suction chambe...  
JP2001503491A
(57) The pump casing (1) for which summary book invention prepared the entrance (2) and the exit (3), Impeller equipment equipped with one or more pump stages (5*7) which are prepared in a pump casing (1) and have the common axis of rota...  
JP3142694B2
PURPOSE: To provide a liquid suction and discharge device put in effective self-priming action and gas-liquid separating action in a gas-liquid separating chamber of minimum volume whale functioning effectively also in residual water dis...  
JP3142697B2
PURPOSE: To realize residual water disposal by self-priming action and gas-liquid separating action without a large capacity tank by opening a first and a. second delivery passages respectively leading to the outside from the upper and l...  
JP3142695B2
PURPOSE: To provide a liquid suction and discharge device made portable so as to be excellent in mobility in addition to functioning effectively in residual water disposal liable to suck air by self-priming action and gas-liquid separati...  
JP3142696B2
PURPOSE: To realize residual water disposal by self-priming action and gas-liquid separting action without a large capacity tank by providing a lateral hole like first delivery passage outward from a pump vortex chamber with the terminal...  
JP2001059489A
To easily and surely perform supply of priming water to a pump without requiring much labor before a work such as water supply by providing a priming water dipping up part at a tip part of a suction hose connected to a suction port of a ...  
JP2001054699A
To save city water and shorten rinsing time by changing the priming supply time of a self-priming pump during washing and subsequent rinsing. At the time of washing, priming of a self-priming pump is considered almost none, so that a wat...  
JP2001037902A
To jet water by communicating a vacuum pump and a water jetting pipe from a water jetting mouth automatic check valve to a water jetting cock with a suction pipe. A water suction pipe 6 provided at a water suction cock 5 is connected wit...  
JP3125784B2
To shorten the self-priming period of time for bathtub water or the like by providing a self-priming type pump which works as a vacuum pump to evacuate air in a suction pipe at the beginning, and works as a storage pump after the air in ...  
JP3124010B2
To provide an intake pump having balanced self-priming capability and flow-rate characteristic, by specifying a space between a projection formed in a runner and a diaphragm that separates an outlet chamber and an intake chamber from eac...  
JP2000356196A
To raise the level of priming to increase the water quantity with an inexpensive structure by inserting a synthetic resin self-priming pipe of another part from a discharge opening within a synthetic resin self-priming case, and arrangin...  
JP3119294B2
PURPOSE: To improve cooling effect of a motor and suppress temperature rising in the motor by providing a cooling water path, in which sucked water sucked and delivered by a pump runner flows for cooling the motor, around the outer circu...  
JP2000345987A
To provide a self-priming pump capable of reducing self-priming time with a simple structure, improving the efficiency, and realizing size reduction.This self-priming pump 1 is provided with a liquid suction chamber sucking fluid through...  
JP2000345988A
To improve efficiency in normal pumping operation while preventing a emptied head operation of a self-priming pump.This self-priming pump is provided with a casing 4 wherein a water passage 3 is formed, a circulation water passage 3a cir...  
JP2000345986A
To provide a bath water circulating and filtering apparatus capable of performing priming work surely and easily in a short period.This bath water circulating and filtering apparatus is provided with a suction port for sucking up bath wa...  
JP3116943B2
To shorten the self-priming time of bathwater and reduce the noise to attain the more compact size of a pump and the improvement in convenience of a washing machine by arranging a return hole of self-priming water within a spiral passage...  
JP2000337285A
To prevent lowering of volumetrical efficiency due to leakage of discharge water from an air vent pipe at the time of starting a pump and to stabilize an original air lock preventive function even at the time of using it for a long perio...  
JP2000337286A
To provide a self-priming type pump capable of reducing vibration and noise by restraining an interference between a communicating hole to return circulating water and an impeller.A communicating hole 8 is made in a slender open shape al...  
JP2000324744A
To provide a pump which enables curtailment of man-hours in assembly by reducing the number of part items of the fixing structure of a motor, thereby aiming at the simplification of the structure. In a pump which pressure-feeds the water...  
JP2000316807A
To provide a method for recovering a sterilizing solution via a vortex pump preventing dilution of the sterilizing solution and a method for supplying priming for the vortex pump. This method for recovering a sterilizing solution in an e...  
JP2000314395A
To provide a pump capable of reducing assembly man-hours and securing reliable sealing function by simplifying a structure through the reduced number of parts of a seal structure. In a pump force feeding water sucked from a suction port ...  
JP3108332B2
To ensure a large filtering area, and remove minute contamination by a method wherein a double cylindrical body of a cylindrical filter medium and an external cylinder, is installed in a suction structure with a built-in disk-shaped filt...  
JP3107967B2  
JP2000303983A
To prevent air guided from the inside of a casing to the inside of an auxiliary tank from again entering the casing by providing a connecting port of the casing in an electric well pump with a partition plate for dividing the port into t...  
JP2000297791A
To provide a volute pump reliably pumping water when an operation is started, easy to manufacture and having high quality by providing a priming faucet on an intake passage and a deaerating plug on a discharge passage, and forming the pr...  
JP2000297775A
To provide an outside drive type self-priming pump which can operate at high head and at high efficiency even if small and can ensure a size accuracy in a simple structure. In a self-priming type pump 1 provided with a rotor 11 rotated a...  

Matches 601 - 650 out of 2,714