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JP2960750B2 |
A hydraulic periphery pump (30) that includes a housing (32) having a pump drive shaft (56) mounted for rotation about its axis. An impeller (74) is coupled to the drive shaft (56) for rotation within the housing (32) and has a disc-shap...
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JP2961686B2 |
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JPH11257271A |
To provide a pump and a self-priming tank in which a non-self-priming pump can be modified into a self-priming pump with ease, and the self-priming pump can be modified into the non-self-priming pump with ease. This pump is a rotary type...
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JP2946013B2 |
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JP2945486B2 |
A pump (14) has a stationary seal housing (32) with pressurized liquid and gas therein, a rotatable shaft (34) disposed through the housing and operable for centrifugally producing rotation of the liquid within the housing, and a seal as...
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JP2940584B2 |
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JPH11210666A |
To enhance operating characteristics, reduce required parts and manufacturing processes in number, and also enhance its quietness. A plurality of ribs 34 are formed at the side of an immpeller in the front surface shroud 28 fixed to the ...
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JP2920861B2 |
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JPH11190290A |
To provide a pump and a self-priming tank such that a non-self- priming pump can be remodeled into a self-priming pump and vice versa. A cascade pump, which has a casing 3 having in its side face a suction port 5, a delivery port 7, and ...
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JP2904126B2 |
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JPH11107971A |
To reduce the vibration and noise without deteriorating pump performance and self-priming performance by situating the impeller circumferential outer end of a blade in an impeller on the inside from a communicating hole in a partitioning...
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JP2881950B2 |
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JP2876728B2 |
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JP2876727B2 |
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JPH11503508A |
The present invention relates to a device for pumping a moist pulp and may be used in the wood-pulp and paper industry for conveying a highly concentrated pulp. The proposed pump comprises a body (1) having a hopper (2) for receiving a p...
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JP2870961B2 |
A hydraulic fluid pump (10, 90) for aircraft turbine engine fuel delivery systems comprises a housing (12, 96) having a pump drive shaft (16) mounted for rotation therewithin. A centrifugal pump stage (26) includes an impeller (28) coupl...
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JP2871231B2 |
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JP2591390Y2 |
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JPH1137098A |
To utilize a minus screw driver, a hard coin, a hexagonal bar spanner, a hexagonal spanner, and even a plus screw driver as a fitting/detaching means, by providing a hexagonal hole corresponding to the hexagonal bar spanner and in additi...
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JPH1137081A |
To provide a centrifugal pump that can prolong the service life of the pump and improve the efficiency of the pump without foreign matters clinging to a submerged bearing. A centrifugal pump 20 provided with mechanism for transmitting th...
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JPH1137080A |
To provide a self-priming pump that can shorten self-priming time and reduce noise. A pump 2l is provided with a fugal type closed impeller 22 in a casing 23. The impeller 22 is fixed to a rotary shaft 25 rotatably supported to the casin...
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JP2854764B2 |
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JPH114994A |
To perform saving of tap water and time, by supplying priming water by a water supply valve before actuating a water sucking pump and stopping priming water supply when the level of priming water reached a prescribed level. A priming wat...
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JPH11493A |
To minimize water and time which cost to supply priming for working a suction pump with a feed valve for a washing machine having a suction pump absorbable by itself by priming. A control means 27 controls a suction pump 1 absorbable by ...
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JPH10332010A |
To make a seal sufficiently vertical concerning a main body of a stopper by furnishing an axial direction connecting means with a ring groove arranged with a seal free to be engaged with a check valve by elastic deformation of an inside ...
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JP2834644B2 |
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JPH10318180A |
To provide a self priming pump which can enhance the self-priming efficiency and the pump efficiency. In this self-priming pump 1, during self-priming course, fluid flowing into a pump chamber 21 from suction chamber 25, is introduced in...
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JP2829423B2 |
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JP2824599B2 |
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JP2819486B2 |
PURPOSE: To provide a method for holding a spare pump always in a startable condition by removing air mixed in a suction line of the spare pump and a vessel used in this method. CONSTITUTION: A vessel 11 in an almost full-water condition...
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JP2583221Y2 |
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JPH10259791A |
To secure the accuracy in manufacturing a die, reduce the man-hour, and facilitate the deposition work by providing an encapsulated impeller comprising an impeller and a forward shroud, forming a step on the edge of the forward shroud si...
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JP2801509B2 |
A fuel delivery system for internal combustion engines that includes a fuel pump module adapted to be disposed within a fuel tank, with a pump inlet disposed at a lower portion of the tank for drawing fuel therefrom and a pump outlet for...
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JPH10238489A |
To provide a small-sized fluid pump that causes no electric shocks and leaks even upon a fluid leak to an associated motor. A motor part 3 adapted to rotate its rotor part 28 opposed to its stator part 32 through the application of curre...
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JPH10227291A |
To provide a self-priming pump which can shorten a self-priming time. This self-priming pump is provided with a base plate in which a projection is formed on the center of a disc shape plate, a shroud formed plural notches on the outer p...
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JP2788033B2 |
The inventive assembly comprises a driven feed pump fed with untreated water, and a water circuit connected thereto with a driven circulation pump and a reverse osmosis unit, wherefrom subsequent to the reverse osmosis treatment part of ...
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JPH10196582A |
To provide a self-priming pump with a small number of items and simple structure whose assembling steps are reduced, and check valve is operated with certainty. A check valve of a self-priming pump is composed of a suctioning port 2, a s...
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JPH10184481A |
To be used in a returnless type fuel feed system and to high-efficiently discharge vapor through a simple structure even when a delivery amount is little. First and second discharge ports 56 and 57 are formed in a manner to intercommunic...
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JP2766777B2 |
The invention relates to an external filtration device, particularly for aquariums and ornamental water tanks, which includes a container formed by a lower hollow part (2) that is closed at the top by a detachable lid (3) and internally ...
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JP2764217B2 |
PURPOSE:To improve gas-liquid separation efficiency for a device in which a liquid emitted from an impeller periphery is injected in an intake nozzle through a jet nozzle, by providing a guide member so as to converge the flow of the liq...
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JP2573024Y2 |
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JP2747432B2 |
A fuel pump structure which includes an electrically driven rotor in a sealed housing which has an inlet and an outlet. A single rotor in the housing has three operating areas. At the outer periphery are vanes operating in an annular swe...
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JP2569655Y2 |
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JPH10103281A |
To reduce manufacturing cost on a pump. Inside a casing 12, a suction port 17 through which liquid is sucked, and a discharge port 34 through which water sucked from the suction port 17 is discharged out of the casing 12 are provided. In...
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JPH10103282A |
To set a height size of a pump small, and lifting ability high. In a pump part, an impeller rotated by a drive source part is contained, and an impeller chamber to suck and discharge fluid is provided. A discharge port 28 of the impeller...
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JPH1099592A |
To prevent a pump from being damaged due to the freezing of water by incorporating a freely compressible hollow body into a water storage part in a pump case of the pumping installation of a washing machine, etc., which stores priming wa...
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JPH1082394A |
To supply air to a pressure tank without lowering a characteristic, especially a shutoff total head of a pump concerning a pump device for a well to be used at home in general especially having an air supply device, on an automatic pump ...
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JP2728467B2 |
PURPOSE:To enable the exhibition of momentary self-priming function having no self-priming time by communicating a suction port, the suction side self-priming cham ber, multistage impeller chambers, a ring passage, an exhaust passage, an...
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JPH1068395A |
To reduce the height of a device and to make a priming operation easy by fastening an operating plug on a priming port to put the stepped surface of the operating plug into airtight contact with the seal portion of the priming port and b...
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JPH1054394A |
To prevent abnormal noise generated when remained air is discharged by forming the cover of a self-priming pump on a rim which abuts on a separation plate formed in the vicinity of a root part arranged in proximity to an impeller bearing...
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