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Matches 251 - 300 out of 2,706

Document Document Title
JP5517880B2  
JP2014074362A
To remove floating contaminant in self-priming pump through repetitive withdrawal operation.A self-priming pump system 1 comprises a lift pump 11 for sucking up sewage water W1, self-priming tank 13 for performing gas-liquid separation o...  
JP2014058899A
To achieve a self-priming pump which prevents discharge of priming water from a priming water opening even when the priming water opening is disposed low.A self-priming pump includes: a runner 5; a pump motor 4 for rotating the runner 5;...  
JP2014043838A
To provide a feed-water pump and a full water level detecting method of the feed-water pump capable of properly judging whether an internal part of a pump body arrives at a full water level when performing the priming water even in the c...  
JP2014037807A
To provide a double suction volute pump for low-load starting that can start an electric motor by a reduced-voltage starting method.A double suction volute pump for water comprises: an impeller rotating about an axis line; and a casing i...  
JP5414406B2  
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...  
JP2013249759A
To provide a structure capable of suppressing vibration of a shaft in a self-priming pump.A self-priming pump 1A has a first casing 21A, a second casing 22A, and a third casing 23A. A rear-side end of a shaft 26A is fixed to the first ca...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
JP2013181459A
To provide a pump device for allowing easy stationary cleaning and disassembling cleaning, by exhibiting high self-priming performance and pumping performance.A self-priming centrifugal pump includes large and small two vortex chambers, ...  
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...  
JP5244451B2  
JP5244449B2  
JP5238344B2  
JP5227370B2  
JP2013108451A
To provide a pump device that can not only exhibit high self-suction performance and pumping performance but also easily perform stationary washing and overhaul washing.A self-suction centrifugal pump includes two small and large volute ...  
JP2013512384A
In an automatic feed water pump with which it comes to build an impeller combined with an axis of the above-mentioned drive motor between back casings combined with a front casing in which the present invention has an inhalation hole and...  
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...  
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...  
JP2013015058A
To provide a water pump for circulating liquid in two circuits using a single water pump, wherein air in the liquid flowing into one pump chamber can be discharged into the other pump chamber.The water pump is configured by disposing a p...  
JP2012255442A
To provide a self-priming pump which not only rapidly sucks fluid for each pumping operation, but also smoothly pumps the fluid without clogging even if the pumped fluid contains various kinds of sludge, solid matter or the like.The insi...  
JP5102602B2  
JP5097754B2  
JP5086320B2  
JP2011256769A5  
JP2012184719A
To provide a pump device which can eliminate evacuation work for obtaining proper sealing water, and can improve the performance and the durability of the pump device.The pump device 1 generates negative pressure in a separate tank 3 by ...  
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...  
JP4953102B2  
JP2012092727A
To provide a vortex pump that improves gas exhaust performance to reduce restrictions on pump posture during self-priming and to prevent a gas from staying in a pump chamber.The vortex pump includes: a vane 18 pressurizing fluid by rotat...  
JP2012087657A
To obtain a vortex flow type pump device which has satisfactory pump efficiency, and uses a casing which is inexpensive, has excellent corrosion resistance, a long service life, and component compatibility.In the vortex flow type pump de...  
JP4920740B2  
JP2012072702A
To provide a centrifugal pump unit capable of quickening a self-priming speed of pumping up fluid in self-priming operation.This centrifugal pump unit 10 delivers the fluid 48 sucked in a volute 41 via a suction nozzle 44 from a delivery...  
JP2012072699A
To provide a centrifugal pump capable of sufficiently securing negative pressure in a volute in self-priming operation, and capable of sufficiently securing a delivery quantity of fluid in steady operation.This centrifugal pump is a pump...  
JP2012072698A
To provide a centrifugal pump capable of surely guiding a priming fluid to a mechanical seal.In this centrifugal pump 15, a crankshaft 18 is projected in a case 21 via the mechanical seal 41, an impeller 23 is arranged on the projected c...  
JP2012072696A
To provide a centrifugal pump capable of enhancing delivery efficiency by smoothing a flow of fluid in a volute.In this centrifugal pump 15, an impeller 23 is rotatably arranged in a case 21, the impeller is covered with the volute 28 in...  
JP3174374U
[Subject] In direct bilge suction of fire fighting and a bilge pump unit, and emergency bilge suction of a cooling seawater pump, a brief self-priming device is provided taking advantage of the space-saving feature in a manifold figure o...  
JP2012047066A
To provide a water supply device capable of reducing vibration and noise.The water supply device 1 includes: a base 10 having a base body 10a with a protruding grounding part 23 touching an installation surface at its rim, and a passage ...  
JP2012017719A
To provide a drain pump with improved efficiency and reduced noise.The drain pump includes a funnel-shaped housing 2 having a suction port at the lower end and a discharge port at an upper outer peripheral surface, and a rotary driven im...  
JP4854478B2  
JP2011256769A
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...  
JP4843959B2  
JP4822336B2  
JP4819620B2  
JP4819621B2  

Matches 251 - 300 out of 2,706