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JP2017008734A |
To provide a fuel pump for preventing the breakage of an impeller.The fuel pump includes a shaft 25 rotatable integrally with a rotor, and an impeller 35 having a fitting hole 350 to which the shaft 25 is fitted. The shaft 25 has shaft a...
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JP6056719B2 |
A bearing receiving portion includes a receiving space that receives a bearing, which rotatably supports an end portion of a shaft. The bearing receiving portion includes an intermediate inner diameter portion, which receives the end por...
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JP2016217283A |
To provide a pump having reduced noise.In a vortex flow type pump device, the rotational shaft of an electric motor penetrates a casing 103, and is fastened to a shaft seal device and an impeller 106 in this order; a casing cover is fast...
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JP2016211397A |
To provide a cascade pump capable of suppressing the inclination of a rotary shaft of an impeller generated by pressure difference between an inlet part and an outlet part of a boosting channel.A cascade pump 1 is equipped with a general...
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JP6042746B2 |
An electric pump may comprise a pump portion including an impeller, a motor portion configured to activate the pump portion, and a housing configured to contain the pump portion and the motor portion. The motor portion may comprise a rot...
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JP6038689B2 |
A rotator may be configured to be accommodated in a casing of a pump for sucking a fluid into the casing and discharging the fluid outside of the casing. The rotator may comprise an insert portion configured to insert a rotating shaft an...
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JP2016200006A |
To provide a well pump capable of releasing heat staying inside a tank cover to the outside.A well pump is equipped with: a pressure tank 1; a pump installing portion 2 provided above the pressure tank 1; and a resinous tank cover 3 prov...
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JP6034069B2 |
A cascade pump device may include a pump chamber, an impeller, a magnetic drive mechanism structured to rotate the impeller, and a pump case. The pump case is provided with two end faces located at both ends in an axial line direction an...
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JP6034068B2 |
A vortex pump device may include a pump case which forms a pump chamber and a stator accommodating chamber partitioned from the pump chamber, and a wiring outlet part for taking out a wiring line within the pump case to an outer side. Th...
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JP5983963B2 |
To provide a floating matter recovery pump device capable of taking in floating matters reliably and efficiently by increasing a wide and laminated suction flow near the water surface, and a running-type recovery ship that can easily mak...
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JP5982911B2 |
A pump includes: an impeller that moves fluid; a housing section, provided adjacent to a channel for the fluid, that communicate with the channel; and a controller that positions the impeller in the channel during a driving of the impell...
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JP2016148263A |
To provide a vortex pump device which achieves high lifting height while preventing complicated structure.A vortex pump device 10 includes: an impeller 80; a rotary shaft 22 which is connected to the impeller 80 and integrally rotates wi...
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JP5959427B2 |
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JP5961418B2 |
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JP2016134978A |
To improve a discharge amount of a fuel and to reduce cost in a fuel pump in which a gap between a stator and a rotor of a motor that drives the pump becomes a fuel passage.The fuel pump uses a motor 2 which is formed from distal end por...
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JP2016130487A |
To reduce power consumption in a small water amount area, prevent contact of a one-surface impeller and a casing liner even in a case of using the impeller in order to improve pump efficiency in a large water amount area, and perform smo...
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JP5941368B2 |
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JP3204686U |
[Subject] A tool temperature adjustment provided with a pump and this which can reduce a jarring sound is provided without changing number of rotations. [Means for Solution] To inside of casing 10 in which partitioning part 17 was provid...
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JP5929529B2 |
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JP2016098685A |
To provide a pump device capable of attaining high lifting while preventing increase of power consumption.A pump portion 40 of a pump device 10 includes a casing 50, and impellers 80, 90 accommodated in the casing 50, and disposed on a r...
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JP5920619B2 |
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JP5917781B2 |
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JP2016037911A |
To prevent a risk of leading the dimensional change of a blower impeller to a film-peeling quality fault, because burr is likely to occur in the mold abutting surface due to a high pressure during injection charging of the die of a blade...
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JP5889728B2 |
A stator member may comprise a core member comprising a plurality of cores disposed juxtaposed to one another, a coil being wound around each of the cores and a terminal member attached to one end of the core member. The terminal member ...
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JP2016037885A |
To provide a pump device capable of improving assembly work efficiency while preventing deterioration of performance.A cascade pump device 10 includes a pump 30 having an impeller 20, a driving part 80 having a rotating shaft 60, a conne...
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JP2016037952A |
To provide a pump device capable of improving assembly work efficiency while preventing deterioration of performance.A cascade pump device 10 includes a pump part 30, a driving part 80, a connection structure, a double nut 100, a disc sp...
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JP5885986B2 |
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JP5874131B2 |
The present invention is a self-priming pump incorporating an impeller coupled to the shaft of a drive motor between a rear casing coupled to the drive motor and a front casing which has an intake hole and a discharge hole and is formed ...
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JP5835984B2 |
A pump device may include a first case provided with a circular ring-shaped protruded part, a second case provided with a circular ring-shaped stepped part into which the circular ring-shaped protruded part is coaxially inserted, an O-ri...
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JP5818986B2 |
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JP5787177B2 |
A fuel pump includes a pump cover on one side of a housing, a cover end portion on the other side of the housing, a stator inside the housing, a rotor inside the stator, a shaft rotatable with the rotor, an impeller rotatable with the sh...
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JP2015169168A |
To provide a new fuel pump which reduces loss of a swirl flow of fuel flowing at a bottom part of a blade groove, which quickens up a flow rate of the swirl flow and which improves pump part efficiency .A center of an arc of a fuel flow ...
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JP2015132251A |
To provide a low flow rate high lift type centrifugal pump.A sequential flow type centrifugal pump is provided in which an inner circumferential portion of a housing 3 includes a plurality of flow-in flow passages 6 and an outer circumfe...
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JP5747862B2 |
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JP5744056B2 |
A fuel pump, including a driven impeller, which rotates in a pump housing and on the two sides comprises guide blades that each delimit a ring of blade chambers, and further including partial ring-shaped channels, which are arranged on b...
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JP5737594B2 |
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JP5723608B2 |
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JP2015094281A |
To provide a vortex pump in which rattling is hard to be generated between a first flow channel component and a second flow channel component even when the first flow channel component is brought into contact with the second flow channel...
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JP5717104B2 |
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JP2015081572A |
To provide a manufacturing method of a fuel pump which improves accuracy of central axis aligning between a housing and a stator.Forces F1, F2, F3 from a radially outward direction are allowed to act on a housing 20 before inserting a st...
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JP2015059432A |
To provide a fuel pump which prevents breakage of a cover end for accommodating a bearing of a shaft.A cover end 40 provided in a fuel pump is configured by a base part 41, a bearing accommodation part 43, a connection part 44 and the li...
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JP5651829B2 |
To provide a friction-reduced ship which stably supplies a discharge flow along the surface of a hull, the discharge flow being less affected by buoyancy than a conventional case and containing a large volume of microbubbles, to cover th...
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JP5653531B2 |
There is provided a fuel pump (10) which includes an impeller (20) in a disk-like shape; a casing (18) comprised of a pump cover (14) and a pump body (16) that rotatably accommodate the impeller; and a motor section (70) that drives to r...
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JP5652671B2 |
An electric motor has multiple core portions, multiple bobbins covering the respective core portions, and multiple coil windings wound on the respective core portions and bobbins. Each of the bobbins has a first and a second circumferent...
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JP2014231796A |
To provide a pump capable of preventing liquid leakage even when there is a pressure difference between a rotor chamber and the outside.In a pump 1, a rotor 3 is separated from a stator 2 by a metallic first case 6 covering the rotor 3 f...
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JP5627217B2 |
In a liquid pump, n sets of concavities are formed in an outer circumference of an impeller. In a case where an angle between an ith first line and an ith second line is a pitch angle θi and an ith difference of adjacent pitch angles is...
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JP2014190220A |
To provide a high quality and a long life pump, in a Wesco type electric well pump having a possibility of sucking up foreign substances such as sand and the like.A Wesco type pump includes: an electric motor 1; an impeller 2; a casing 3...
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JP5546469B2 |
A turbine impeller pump assembly includes a rotating shaft (12) and inboard and outboard casing members (14, 28) coupled together with each having cavity channels (71, 34), and an annular recess (17), and an axial opening to receive the ...
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JP5517880B2 |
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JP5488654B2 |
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