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Patent Searching and Data


Matches 651 - 700 out of 7,173

Document Document Title
WO/1992/008627A1
The disclosed pump is comprised of a shell (E) coupled to a container (DP) of washing liquid (L), the shell (E) being formed by a body (CB) and by a lid (TC) coupled to each other. The body (CB) forms a tubular section extension (1), a c...  
WO/1992/006302A1
A pump (10) comprises a hollow cylindrical body (12) open at one end. A central hole (14) is provided through the closed end of the body (12) with a perimeter wall (16) around the hole (14) of the same height as the boundary wall (18) of...  
WO/1992/005402A1
An apparatus for measuring change of position of a rotor in a drive system comprising a drive rotor and a driven rotor generally concentrically mounted with respect to the drive rotor, the drive and driven rotors being magnetically coupl...  
WO/1992/003229A1
A method of separating an aqueous solids containing suspension includes (a) subjecting a first solids containing suspension to centrifugal forces so as to separate the suspension into a first gas containing flow, a second gas-free flow a...  
WO/1992/001296A1
A method and system (10) for controlling nuclear reactivity in a nuclear reactor are disclosed. The method includes maintaining a nuclear poison solution at an initial poison pressure (P1) less than the steam pressure within the reactor ...  
WO/1992/001290A1
In accordance with the present invention, a nuclear reactor (100) with a recirculating heat transfer fluid has a bi-level core which provides enhanced flexibility in fuel arrangement. The bi-level core (104) includes two sets of fuel uni...  
WO/1992/001295A1
The wetwell space in a suppression pool (26) of a nuclear reactor containment is continuously ventilated by exhausting gas therefrom, while at the same time, during normal system operation atmospheric air from a source of same is admitte...  
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...  
JP2017207030A
[Subject] An electric rotary pump with possible it being stabilized and making operation of an electric rotary pump start in a predetermined water level is provided controlling that adjustment work for water level detection becomes compl...  
JP6234732B2  
JP2017198161A
[Subject] A boiler feeding device and a control method of communicating with an external display for indication information for a display that flexibility is high are provided. [Means for Solution] model discernment information which sho...  
JP2017198120A
[Subject] An operation control method and an operation control device of a conveying pump which can control water level change before and behind an operation stop of a conveying pump are provided. [Means for Solution] If the upper stream...  
JP2017198162A
[Subject] Malfunction of a boiler feeding device according setting information to change can be prevented with an external display for indication, and a boiler feeding device which can prevent change which setting information does not me...  
JP2017197976A
[Subject] Residual volume of sewage at the time of an end of drainage operation of a pump, etc. is lessened, and decomposition is controlled. Installation is easy and it provides a bad smell prevention type drain system which can prevent...  
JP2017194021A
[Subject] A boiler feeding device provided with an automatic feed water pump which can raise pump performance at the time of Pumping liquid operation is provided without reducing self-priming performance at the time of self-priming opera...  
JP6218626B2  
JP6216814B2  
JP2017187392A
[Subject] A pumping plant which can supply a safe fluid from which a radioactive material was removed is provided. [Means for Solution] A pumping plant is provided with a pump which transports a fluid, and an adsorption part which adsorb...  
JP2017186913A
[Subject] Operation and maintenance engineering of a Vertical type subsidence type swirl pump which secured abrasion resistance are performed certainly. [Means for Solution] Metallic sulfide is a controlling method of Vertical flowing ty...  
JP6212423B2  
JP2017180373A
[Subject] When an inside of a water tank becomes negative pressure temporarily, it stops that error handling by detection error of a pressure sensor occurs frequently. [Means for Solution] Cellular formula liquid level meter 30 has press...  
JP2017180282A
[Subject] Consumption power of a pump is stopped and operating cost is reduced. [Means for Solution] At least one set of a pump which drives a pump system by at least one set of a motor, and a motor, and sucks in water from a suction sum...  
JP2017180250A
[Subject] A facility to pump up trapped water and a draining method which can perform drainage stabilized without using complicated control are provided. [Means for Solution] A plurality of drain pumps (10, 20) arranged so that it may be...  
JP2017166423A
[Subject] Submerged bearing is supplied by using clean water separated from pumping to discharge as lubricous water. [Means for Solution] Pump 10 is provided with the following. Pump casing 12, Axis of rotation 20 arranged at pump casing...  
JPWO2016067558A1
In order to control advance of degradation of a water pipe, it is a water service managerial system, The water pressure detection part which detects the water pressure of at least one place of the water pipe for carrying clean water to a...  
JP2017160877A
[Subject] When starting a pump in the state of discharge valve full open, even if own strength siphon formation etc. are needed, pump equipment and pump equipment which sufficient reduced voltage starting can be performed, and can be sta...  
JP6189254B2  
JP2017145746A
[Subject] An electric rotary pump system which can be drained using a plurality of electric rotary pumps efficiently by turns is provided. [Means for Solution] This electric rotary pump system 100 is provided with the following. A plural...  
JP2017145830A
[Subject] A space-saving pumping plant which can perform good gear change operation control with a pumping plant simple substance is provided ensuring heat dissipation. [Means for Solution] In a pumping plant with which a pump part which...  
JP6184792B2  
JP6186366B2  

Matches 651 - 700 out of 7,173