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JP6185737B2 |
To improve it with a simple configuration that a self-priming pump performs a self-priming operation under judgment on its reliability.An operation device (invertor 30) for a self-priming pump of this invention comprises a current sensor...
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JP6158106B2 |
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JP6149182B2 |
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JP2017089406A |
To attain a fuel supply system in which both a discharging performance and a sucking performance at the time of starting operation are realized.A cascade type pump part 30, a motor part 20 installed above at a vertical direction of the p...
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JP6115411B2 |
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JP6117658B2 |
A volute of a centrifugal pump includes a proximate section. The proximate section includes: an outer peripheral portion having a tapered shape such that, within a range of a rotational trajectory of each of vanes provided on an impeller...
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JP6108716B2 |
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JP6088918B2 |
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JP6082977B2 |
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JP6082348B2 |
A pump with high performance and cleanability includes a casing having a smaller volute and a larger volute; a space between an outer circumference of an impeller and a starting end of the smaller volute being greater than that of the la...
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JP6072211B1 |
[Subject] When the flow rate sensor of a paddle type is used, suppress pressure loss as much as possible. [Means for Solution] A self-priming chamber provided in the discharge mouth side of a whirlpool pump driven with a drive motor, A v...
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JP6022779B2 |
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JP6014522B2 |
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JP6010588B2 |
A centrifugal pump includes an impeller (28) rotatably disposed in a volute case (29) for forcing a fluid to flow along a volute internal flow channel (84) formed in the volute case, and first to fourth flow-channel recessed portions (56...
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JP5937810B2 |
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JP2016079951A |
To make a small-sized and light weight water level retainer and reduce a height and weight of pump equipment.A water level retainer 4 comprises a water level detection device 18 and an introduction device 19 for feeding water W into a pu...
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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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JP5867723B2 |
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JP2016017841A |
To provide a full-water detector capable of preventing full-water from detecting with air remaining in a pump casing and a suction pipe and preventing suction of the residual air from being disabled, and capable of re-suctioning by a vac...
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JP3202111U |
To provide a self-priming pump suitable for a sanitary plant with less noise, vibration and energy consumption. A self-priming pump includes a spiral casing 10 having a vortex chamber 10a formed inside, a sub-casing 16 arranged on the su...
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JP5772765B2 |
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JP2015143476A |
To provide a pump system capable of improving pumping performance and self-priming performance, and achieving noise reduction and downsizing.A pump system comprises: a motor; an impeller driven to rotate by the motor; a casing located to...
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JP2014190292A |
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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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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JP5554374B2 |
Disclosed is a vacuum self-priming pump in which a main pumping chamber and a sub-pumping chamber divided from each other by a diaphragm are provided within a case, main impellers and a sub-impeller rotated by a motor are respectively in...
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JP5536399B2 |
To provide an external filtering device which includes a simple and compact electric suction pump for priming having a sufficient pump performance. This external filtering device 1 is arranged independently from a water tank, pumps up wa...
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JP2014118949A |
To inhibit the deterioration of the pump efficiency in a volute.A self-priming centrifugal pump includes: a pump case 2 in which a volute 20 is formed; an impeller 3 which is rotationally driven in the volute 20; and a cover 4 having a s...
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JP3191362U |
To provide a self-priming pump suitable for a sanitary plant with less noise, vibration and energy consumption. A self-priming pump is housed in a spiral casing having a vortex chamber formed inside, a sub-casing 16 arranged on the sucti...
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JP5517880B2 |
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JP5414406B2 |
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JP2014015937A |
To provide a pumping system that can be easily maintained and checked, and that can reduce a pumping start time.A pumping system 1000 comprises a liquid storage tank 10 for storing liquid L, a pump 20, a liquid suction pipe 50, an emissi...
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JP5364043B2 |
To provide horizontal shaft pump equipment capable of suppressing starting current of an electric motor serving as a driving machine, completing a water filling process in a short time, and allowing a draining operation at an early stage...
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JP5356180B2 |
To provide a highly reliable pump facility and an operating method, by preventing turbulence of a flow near an intake port caused by back-flow in a suction part, smoothly sucking air therein to shorten the starting time, and thereby impr...
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JP5352051B2 |
To provide a self-priming centrifugal pump capable of increasing strength of an external casing materializing a low noise pump with increasing corrosion resistance of an inner liquid contact part of the self-priming centrifugal pump. In ...
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JP2013234602A |
To provide a centrifugal pump capable of quickly performing gas discharge processing (i.e., priming action) and capable of simplifying a structure.A centrifugal pump 20 introduces a priming fluid of an in-case flow path 47 to the inside ...
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JP5348752B2 |
To provide an inexpensive pumping device in a simplified structure, capable of surely supplying priming water to detect pumping even when a water pump is used in an inclined state, and preventing freezing of a priming water pipe even whe...
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JP5318501B2 |
To provide a self-suction pump and a method of forming a casing assembly which prevent performance degradation of the pump due to a stopper and do not have burrs at the stopper. The self-suction pump includes a rotation shaft 10, an impe...
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JP5293104B2 |
To provide a self-priming pump in which self-priming time is shortened than that in conventional self-priming pumps to improve efficiency of the pump. The self-priming pump includes a casing divided into two parts of a first casing and a...
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JP2013148099A |
To provide an inexpensive pumping system with a simple structure, configured to reliably supply priming and detect pumped water even if a water pump is used in a tilted state, and to prevent freezing in a priming pipe even if the water p...
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JP5244451B2 |
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JP5244449B2 |
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JP5238344B2 |
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JP5227370B2 |
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JP2013057277A |
To provide a centrifugal pump achieving a simplified structure and quickly performing gas discharge treatment (i.e., priming action).This centrifugal pump 20 discharges a fluid sucked into a volute 28 by the rotation of an impeller 24 fr...
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JP2013057275A |
To provide a centrifugal pump securing fluid suction properties by a self-priming operation and increasing the efficiency of fluid delivery by a stationary operation.This centrifugal pump 20 includes an impeller 24 in a volute 28. The vo...
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JP5102602B2 |
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JP5097754B2 |
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JP5086320B2 |
Provided is a vacuum self priming pump. The pump includes an actuating member that is installed in an outlet by a hinge shaft to be capable of rotating and configured to be quickly opened by water pressure when water is discharged throug...
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JP2012127360A |
To provide a pump installation having improved reliability, safety and economic efficiency by shortening the time for stating a horizontal shaft pump to allow quick start of draining operation.The pump installation 1 including the horizo...
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JP4953102B2 |
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