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Patent Searching and Data


Matches 601 - 650 out of 7,002

Document Document Title
WO/1992/001299A1
Fuel bundles of a boiling-water nuclear reactor are inverted during refueling methods. Bundles burned in a first orientation are subjected to greater burnup near their bottoms and greater conversion of fertile fuel to fissile fuel near t...  
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...  
JP6055190B2  
JP2016217157A
[Subject] A water hammer phenomenon at the time of a control member which controls the amount of sending of fluid reaching an inside of pump housing is controlled. [Means for Solution] Control member 20 which has tubed part 21 arranged a...  
JP2016217073A
[Subject] A plurality of devices enable it to acquire information about a boiler feeding device from a remote place. [Means for Solution] Boiler feeding device 100 is a device for supplying a fluid. Boiler feeding device 100 is provided ...  
JP2016217259A
[Subject] It makes it possible to change returning-water capability suitably according to a flow needed. [Means for Solution] Two or more sets of hydraulic submerged pumps 1, and common hydraulic pump 2 for driving these hydraulic submer...  
JP2016540152A
本発明は、流体フロー機械の軸推力を補償す る機構に関する。荷重緩和要素(11)は、 シャフト(1)に回転しないように接続され ている。流量絞り間隙(13)は、ハウ...  
JP2016217267A
[Subject] A control method of a pump unit and a pump unit that proper control processing is realizable is provided. [Means for Solution] Pressure sensor 14 by which pump unit 1 concerning one embodiment can detect discharge pressure by t...  
JP2016217156A
[Subject] A fluid pressure pump which enables regulation of the amount of discharge of fluid consists of simple composition, controlling enlargement. [Means for Solution] It has operation control mechanism C which operates control member...  
JP2016217195A
[Subject] In presumed terminal pressure constant control, optimal target preassure force control curve according to an operation situation is determined automatically. [Means for Solution] A pumping plant is provided with a pump which tr...  
JP2016211561A
[Subject] A pump is provided. [Means for Solution] Pump housing (2) which the present invention equipped with an inhalation opening (3) and a discharge opening (4), It is related with a pump (1, 100) which has an impeller (5) which is ar...  
JP6042746B2  
JP2016205311A
[Subject] Provide a control method of a boiler feeding device which can adjust a precise stop flow, and a boiler feeding device. [Means for Solution] Impeller 53b which boiler feeding device 1 rotates by pump 61 and a flow of water, Flow...  
JP2016201072A
[Subject] A boiler feeding device which energy-saving operation is possible and can prevent a fall of detecting accuracy of a flow is provided. [Means for Solution] Connecting tubule member 30 which a boiler feeding device equips with ch...  
JP2016200049A
[Subject] Constitute from an easy circuit, are strong in both noises from the outside, and raise sensitivity. [Means for Solution] A starting water level detection sensor attached to the higher rank side of a submerged pump, and a stoppi...  
JP6035382B1
[Subject] A fuel automatic supply system which enabled it to ensure supply of fuel from a refueling tank to a fuel acceptance tank is obtained. [Means for Solution] Refueling part 4 provided with conveyance-of-oil pump 2 which attracts a...  
JP6030384B2  
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...  
JP6027326B2  
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...  

Matches 601 - 650 out of 7,002