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Patent Searching and Data


Matches 601 - 650 out of 6,982

Document Document Title
WO/1992/001297A1
A boiling water nuclear power plant (100) includes a reactor core isolation cooling (RCIC) system in which a turbine (146) used to pump feedwater to the reactor also drives a generator (200). The generator (200) is used to drive RCIC com...  
WO/1992/001292A1
A drive (10) for positioning a control rod (12) in nuclear reactor core (104) is disclosed. The drive includes a turbine rotor (34) joined to hollow spindle (26) in a housing. The spindle has a piston (82) disposed therein and a piston r...  
WO/1992/001298A1
A recirculation system (10) is disclosed for driving reactor coolant water (114), contained in an annular downcomer (118) defined between a reactor vessel and a reactor core spaced radially inwardly therefrom. The system includes a plura...  
WO/1992/001291A1
A reactivity control system includes a reservoir (42) containing a liquid nuclear poison (44), at least one stationary, hollow control blade (32) extending vertically into a reactor core (14), and a poison conduit (52) disposed in flow c...  
WO/1992/001293A1
A recirculation system (10) is disclosed for driving reactor coolant water in an annular downcomer (118) defined between a reactor vessel and a core shroud (12) spaced radially inwardly therefrom. The system supplies feedwater to the ves...  
WO/1992/001289A1
A reactor core (104) includes upper and lower matrices of fuel bundles. Fuel rods in the upper matrix (126) have their plenums oriented upward, while fuel rods in the lower matrix (124) have their plenums oriented downward. Refueling inv...  
WO/1992/001294A1
A drive (10) for positioning a control rod (12) in a nuclear reactor is disclosed. The drive (10) includes a housing (112) having a piston disposed therein, with a piston rod extending from the piston and through the housing for being jo...  
WO/1991/019170A1
A detector for detecting flow of fluid (4) having a heater (1) operable to transfer thermal energy (6) to a body of fluid (5) with which the detector is associated and first (2) and second (3) temperature sensors each of which is operabl...  
WO/1991/016541A1
The pump (P) includes a discharge head (34) having a pair of axially spaced end walls (56, 58). A tank (12) includes a housing (52) in communication with a liquid outlet conduit and forms part of a substantially permanently stationary pi...  
WO/1991/004099A1
An anti-flooding sewage grinder pump liquid level control system in a separately mounted canister is provided for installation within and controlling operation of a sewage grinder pump installed within a sewage collection tank (11). With...  
WO/1990/015252A1
A low pressure recirculation valve for cooling a centrifugal pump. A valve casing (12) having a first chamber (14) with an inlet (18) and a recirculation port (22), and a second chamber (16) with an outlet (20). A multiple piece check va...  
WO/1990/015251A1
The present invention relates to a method and apparatus for controlling the operation of a centrifugal pump. The method and apparatus in accordance with the present invention is especially developed for eliminating or minizing the proble...  
WO/1990/013460A1
A double-acting pump has two outlet channels (47, 48), which can be selectively charged with liquid in function of the direction of rotation, and two movable sealing membranes (36, 37) each of which is associated with an outlet channel (...  
WO/1988/007126A1
A drive assembly brake (80) is mounted in the gearbox (22) connecting a motor driven input shaft (24) to an output shaft (26), the output shaft being connected by a tubing string (10) to a submersed rotary pump. The gearbox includes an o...  
WO/1988/002831A1
Automatic recirculation valve for use in installations where a minimum flow is required for protecting such as centrifugal pumps. The valve includes a valve housing (13) with a plunger (12) controlled by a main flow and a spring (2). The...  
WO/1986/001861A1
Closed piping systems for liquids require pressure maintaining arrangements to define the level of pressure in the piping system in relation to the surrounding atmosphere. Various values of heights of delivery along the piping system are...  
WO/1985/001087A1
In a float switch, which is provided particularly for immersion pump systems with an electric motor connectable and disconnectable as a function of the level and with a pump coupled thereto and immersed into the liquid to be discharged a...  
WO/1983/004286A1
The method is applied to a turbomachine, particularly to a pump, and to a support for a pressure sensor of a gaseous or liquid fluid, particularly an electronic pressure pick-off. The pressure or differential pressure of the fluid (3) co...  
WO/1983/003461A1
A device allows to reduce the power used by the motor of a circulation pump actuated by an electric motor for heating installations. The reduction is obtained by interrupting periodically the network power supply by means of an electroni...  
JP2016194287A
[Subject] A simple pump controlling method which can perform tendency management without pulling up a pump without being able to grasp damage and degradation of a part by securing the same reproducible conditions and choosing time preser...  
JP2016188637A
[Subject] A monitor method of a pumping plant which can acquire information for managing operational status irrespective of shape of a pump, and a pumping plant is provided. [Means for Solution] A pumping plant is a pumping plant which i...  
JP2016188618A
[Subject] A centrifugal type pumping plant with which stability at the time of surfacing rotation of an impeller was improved is provided. [Means for Solution] At least 1 side of the 1st actuator (coil 20) and the 2nd actuator (coil 20D)...  
JP2016188617A
[Subject] A centrifugal type pumping plant with which stability at the time of surfacing rotation of an impeller was improved is provided. [Means for Solution] An actuator which drives impeller 10 maintains a position of impeller 10 in t...  
JP6018483B2  
JP2016186261A
[Subject] In a Vertical shaft pump which has a bearing protected using a part of pumping, a lubrication system of a Vertical shaft pump which can continue operation is provided, aiming at protection of a bearing, when a detailed foreign ...  
JP2016183609A
[Subject] While detecting generating of a cavitation certainly, provide a pump system which can cancel the state where a cavitation occurs. [Means for Solution] Pump system 50 transmits driving force to pump 51 and pump 51, and is provid...  
JP2016183610A
[Subject] While detecting generating of a cavitation certainly, provide a pump system which can cancel the state where a cavitation occurs. [Means for Solution] Pump system 50 transmits driving force to pump 51 and pump 51, and is provid...  
JP2016183611A
[Subject] While detecting generating of a cavitation certainly, provide a pump system which can cancel the state where a cavitation occurs. [Means for Solution] Pump system 50 transmits driving force to pump 51 and pump 51, and is provid...  
JP2016180365A
[Subject] A pump of a simple structure which can control contact with a balancing disc and balance sheet is realized. [Means for Solution] Impeller 2 in which staged pump 200 was attached to axis of rotation 1 and the axis of rotation 1,...  
JP2016180320A
[Subject] A staged pump of a simple structure which can control that a cavitation occurs in fluid which flowed back via balance piping is realized. [Means for Solution] A plurality of impellers 2 in which staged pump 200 was attached to ...  
JP2016176333A
[Subject] Even if it is when there are few amounts of returning water, an operating method of a pump flow control device exact and maintainable at low cost, a pump system, and a pump system is provided for the minimum amount of water of ...  
JP2016176456A
[Subject] In order to reduce starting torque of a pumping plant by driving an impeller among mind, a pumping plant of high-reliability which can detect correctly that some or all of an impeller is exposed into mind is provided. [Means fo...  
JP2016169738A
[Subject] A possible fuel pump of preventing a vapor lock of a pump room is provided. [Means for Solution] ECU of a fuel pump carries out feedback control of the drive of a motor, and makes number of rotations of an impeller number of ro...  
JP2016164377A
[Subject] It comprises a closed cycle and a power generator in which operation which prevented generating of a cavitation of a liquid-sending pump and was stabilized by control of the stable degree of fault cooling is possible is provide...  
JPWO2014068728A1
【課題】電力需要の大きい時間帯の給水ポン プによる電力消費を抑制する。【解決手段】 給水制御システム1は、第1の水槽(高置水 槽13)、水道事業者から供給される水...  
JP5985330B2  
JP2016160792A
[Subject] It being highly precise and there being a pump unit which can control operation of a pumping plant and, and a control method of a pump are provided. [Means for Solution] Pump unit 1 concerning one embodiment is with a plurality...  
JP2016160769A
[Subject] By low cost and simple composition and a method, while controlling air suction of a pump by vortical generating, a pump system which can drain a lot of water at the time of a high-water level is provided. [Means for Solution] K...  
JP2016160768A
[Subject] A pump system which reduced stop frequency of a pump by controlling a rapid fall of a water level of a water absorption tub by low cost and simple composition or a method is provided. [Means for Solution] A water gauge (50) is ...  
JP2016156345A
[Subject] It is providing an operation efficiency presumption system, an operation efficiency estimation method, an operation efficiency estimating device, and a computer program which can presume operation efficiency of each pump, contr...  
JP5983581B2  
JP5982215B2  
JP5982911B2  
JPWO2014054554A1
本発明は、水道本管からの水を加圧して集合 住宅や商業ビルなどの建物に給水を行う給水 装置に関するものである。給水装置は、ポン プ(1)の回転速度の低下から少水量状...  
JPWO2014051070A1
遠心力を利用して、簡単な構成で、一定の速 度で液体を汲み上げて輸送することが可能な 液体輸送装置を提供する。液体輸送装置1は 、液体300を収容するU字形容器11...  
JP5976496B2  
JP2016148261A
[Subject] The amount regulation of discharge of fluid can be performed smoothly, and a centrifugal pump with compact size of the direction of an axis of the axis of rotation is provided. [Means for Solution] It is accommodated in an insi...  
JP5970827B2  
JP2016142184A
To prevent problems such as fastening of impellers and the like, clogging of a hole, and defects of a pressure detecting portion, and to detect failure in advance.A fire pump unit includes a pump 30 pressure-feeding water for fire-fighti...  
JP2016138539A
To provide a vertical shaft pump having a waterdrop mechanism in which a length of the waterdrop pipe is short, waterdrop facility is compact in size, and clogging of foreign materials is hardly produced.This invention relates to a verti...  

Matches 601 - 650 out of 6,982