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JP2715256B2 |
PURPOSE: To separate air and water from each other by a priming type pump. CONSTITUTION: A gas water separator 5 is located between the opening of the pump chamber 2 of a pump casing 1 and an unlubricated vacuum pump 4 and the interior o...
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JPH1047288A |
To sufficiently separate gas and water to enhance the pumping capacity without lowering of pumping capacity due to the long-time use and even when the pump is rotated in any direction. In this self-suction pump, there are provided a suct...
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JPH1047290A |
To prevent lowering of pumping capacity even in a long time use, and enhance the pumping capacity. In this self-suction pump, there are provided a suction tank camber communicated with a suction port, a delivery tank chamber communicated...
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JPH1047289A |
To sufficiently separate gas and water to enhance the pumping capacity without lowering of pumping capacity due to the long-time use and even when the pump is rotated in any direction. In this self-suction pump, there are provided a suct...
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JPH1047287A |
To provide a pump, by which the number of parts can be decreased to facilitate assembling and reduce its cost. This pump 1 comprises a main body casing 3 for forming a volute chamber 12 for accommodating an impeller 15, a second casing 4...
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JP2710474B2 |
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JP2561445Y2 |
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JPH1024194A |
To reduce noise, improve durability and downsize by making a runner revolve at a low speed with a motor using a permanent magnet rotor in a pump for a washing machine which can store priming water in a pump case and autosuck from a water...
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JP2699892B2 |
PURPOSE: To provide an excellent balance between self-priming performance and flow rate characteristics by a method wherein a self-priming type suction pump is of a double volute system where two volute parts of a pump case are provided,...
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JPH102291A |
To shorten the self-priming time of a centrifugal pump, and also to reduce the noise, in that an impeller is rotated in the inside of a circular circumferential wall so that a fluid is circulated along the flow passage formed between the...
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JP2695025B2 |
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JP2695015B2 |
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JPH09317680A |
To improve air carrying efficiency from a water absorbing pipe side to a water feeding pipe, by providing a partitioning plate by which water delivered from a easing is guided to the opening of the water feeding pipe along one wall surfa...
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JPH09317679A |
To immediately execute emergency starting, by mutually connecting a plurality of storage pumps which hold a reservoir in common, through a common suction pipe whose starting end is dipped in the reservoir, and connecting an evacuation pi...
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JP2556007Y2 |
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JP2556254Y2 |
A pulp feeder feeds the pulp from the pulp feeder housing to the pump impeller. The impeller is provided with vanes specially constructed to provide channels of sufficient dimension to permit the flow of the pulp through the channels. Th...
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JPH09310680A |
To provide a pump device and its pipe connecting method which can mutually connect the pump device and its piping without using a flange. The side face of the pump base 9 of a pump device 1 is severally provided with an opened part to co...
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JP2678319B2 |
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JP2665140B2 |
A self-priming chemical pump which comprises: a pump portion including at least an impeller and a shaft supporting the impeller; a self-priming mechanism portion including a self-priming chamber which is provided in the discharge side of...
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JPH09264286A |
To reduce noise generating in a bearing part by supporting an impeller and a rotor magnet in a single point by means of ball bearing. When alternating current power is applied to a stator 22, a rotor magnet 30 is attracted by a rotationa...
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JPH09262395A |
To shorten operating time and to simultaneously secure a flow rate at the time of bathing water supply by smoothing exhausting air sucked at the time of water-priming operation. A bathing water supply pump for the washing machine has a t...
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JPH09264285A |
To facilitate priming to an engine pump in a water feeding device provided with an engine pump and a manual pump. On a water feeding pipe 7 connecting a water source to a water fed part 6, an engine pump 1, which requires priming, and a ...
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JP2652725B2 |
A self-sucking centrifugal pump capable of displaying excellent self-sucking and pumping performance without changing the shape of a volute type centrifugal pump which already has a nearly perfect shape. The basic principle of a self-suc...
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JP2649043B2 |
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JP2640895B2 |
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JPH09209772A |
To prevent the air pushed out by cooling water from being accumulated at a low-pressure section in a pump by providing a separate passage branched and connected from the middle of a circulation path of the cooling water of a water-cooled...
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JPH09209964A |
To prevent noise of pump actuation by forming a side wall having a protruded gradient toward the side of a steam separation chamber on a cover inner surface on a window as a flow passage for pumped water to be provided on a partition pla...
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JPH09209991A |
To restrict turbulence in pumping, and prevent vibration and noise by separately forming a specific number of inflow passages for pumping to a pump chamber formed in a cover in the same direction as a rotation direction of an impeller. I...
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JP2637477B2 |
The present invention relates to a vertical, self-priming centrifugal pump located under a protective slab comprising a fixed bowl welded to the intake and delivery pipework and movable fittings removable through the top, characterised i...
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JP2638857B2 |
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JP2636336B2 |
Pump system (1) includes a centrifugal pump (2) having an inlet reservoir (3) connected to the upstream end thereof for initially receiving the vapor/liquid mixture entering the system to allow air or vapor to separate from the liquid. B...
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JP2542430Y2 |
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JPH09195969A |
To provide a priming circulating device by a self-priming type pump, in which self-sucking efficiency and pump efficiency are improved, the number of parts is reduced, and the structure is simplified. A pump 1 is provided with a suction ...
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JP2633017B2 |
The present invention relates to a method and apparatus for separating gas by a pump from the medium being pumped, which method and apparatus are especially suitable in pumping the gaseous fiber supensions in the wood processing industry...
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JP2630725B2 |
PURPOSE: To improve self-prining performance by amethod wherein a self-priming water injection flow is injected in a specified direction through the injection flow passage of a small vortex-shaped chamber toward the self-priming water se...
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JP2626303B2 |
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JPH09168553A |
To provide a fluid separator for dental equipment which is a small size and lightweight and requires no large capacity suction pump and motor, and the suction pump of which does not damaged by corrosive vapor discharged from a centrifuga...
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JP2623675B2 |
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JP2539611Y2 |
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JP2535848Y2 |
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JP2535005Y2 |
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JP2601380B2 |
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JPH09100792A |
To instantly self-prime from a water absorbing water level lower than a pump with a small setting floor area and high head. An inlet 5g of multiple stage impeller chambers 5m, 5n storing a centrifugal impeller 3 is arranged upward, a suc...
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JP2525935Y2 |
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JPH0942189A |
To correspond to a emergent state by shortening time required after the arrival of an inner water level at a pumping start water level until the start of draining, even if the difference of water level between the inner water level and a...
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JP2522347Y2 |
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JP2569294B2 |
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JPH08338389A |
PURPOSE: To reduce the time from the time the water level of a water absorption well reaches to the pumping starting water level to the time a drainage operation is started, so as to respond to an emergent condition, by reducing the time...
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JPH08338400A |
PURPOSE: To prevent the suction of a priming water by a siphon function, by communicating an atmosphere opening port to the suction side passage of the impeller of a self-priming type pump, blocking the atmosphere opening port in the pum...
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JPH08312577A |
To provide a new improved large-capacity rotary liquid pump capable of self-priming in a dry state and suitable for cooling particularly a marine diesel engine, and to provide a new impeller-shaft assembly and a flexible impeller pump as...
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