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Patent Searching and Data


Matches 601 - 650 out of 7,031

Document Document Title
WO/1992/015784A1
A water flow system for collecting and discharging waste water, storm water and the like includes a water pumping station into which water is delivered through an inflow main (16) and from which water is pumped through a water discharge ...  
WO/1992/011150A1
Said device is comprised of an adressing chamber CD which houses two membranes (M1,M2/ M3,M4/ M5,M6/ M7,M8) of high flexibility which may be provided with means for compensating the loss of elasticity. In the absence of washing liquid pr...  
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...  
JP6088302B2  
JP2017036669A
【課題】点検に係る作業者の負担を軽減しつ つ、計測器の異常または誤検知の検出の精度 を向上させる。【解決手段】並列に設けられ 且つ吸込側から水を汲み上げて吐出側へ...  
JP6082772B2  
JP2017031948A
【課題】立軸ポンプまたは横軸ポンプにおい て、簡単な構成で渦流の発生を抑制する。【 解決手段】立軸ポンプまたは横軸ポンプの周 囲において渦流の発生を抑制するための...  
JP2017031966A
【課題】多段ポンプの起動時などにおいて急 激な圧力変動があるときに、回転部材が静止 部材に衝突することを防止することができる 多段ポンプを提供する。【解決手段】多...  
JP2017031902A
【課題】圧力タンク内での腐食性流体の漏洩 を速やかに検出することができる給水装置を 提供する。【解決手段】給水装置は、耐腐食 性のポンプ1と、吐出管2に接続された...  
JP2017031900A
【課題】海水や温泉水等の腐食性流体に適用 される比較的安価で信頼性の高い給水装置を 提供する。【解決手段】給水装置は、流体を 移送するための耐腐食性のポンプ1と、...  
JP2017031883A
【課題】 ポンプ装置において、機械的な流量検出手段 を用いずに水量に応じた最適なポンプ回転数 制御を行うことを可能とする。【解決手段】 ポンプと、ポンプを駆動する...  
JP2017031901A
【課題】圧力タンクに異常が発生した場合で も継続して運転することができる給水装置を 提供する。【解決手段】給水装置は、流体を 移送するためのポンプ1と、ポンプ1の...  
JP2017025858A
[Subject] An electric submersible pump which can perform maintenance management easily is provided. [Means for Solution] Pump room 4 where impeller 3 which drives this electric submersible pump 100 by motor 1 and motor 1 is arranged, Oil...  
JP2017025855A
[Subject] In a Vertical axis pump or a horizontal-axis pump, a whirlpool is suitably controlled also in an operation situation of a pump, and transient state of circumference environment. [Means for Solution] Whirlpool control device 40 ...  
JP2017025859A
[Subject] An electric submersible pump which can perform maintenance management easily is provided. [Means for Solution] This electric submersible pump 100 is provided with the following. Motor 1, Pump room 4 where impeller 3 driven by m...  
JP2017025738A
[Subject] An operating method of a boiler feeding device and a boiler feeding device which can discharge air mixed in water with simple composition is provided. [Means for Solution] A boiler feeding device of a direct connection water su...  
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...  
JP6073141B2  
JP2017020849A
【課題】実際のポンプ機場において、ポンプ の吸込渦の発生状況を濁度の高い水の中で発 生する水中渦であっても検知できる渦検知装 置を提供することを1つの目的としてい...  
JP2017020396A
【課題】メカニカルシール部を有するポンプ を用いて安定的に運転することが可能な熱エ ネルギー回収装置及びそのポンプの取換方法 を提供すること。【解決手段】エネルギ...  
JP2017013858A
[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...  
JP2017014931A
[Subject] A fuel pump which reduces wear of an impeller by collision with a shaft to rotate is provided. [Means for Solution] Fuel pump 1, A plurality of winding 23Fuel inhaled from admission port 151 when it was provided in rotor 24, ro...  
JP2017500903A
【課題】インペラポンプの動作を監視して障 害がないかを確認する方法および装置を提供 する。【解決手段】インペラポンプ内に発生 する固体伝播音を測定し、この固体伝播...  
JP2016223337A
[Subject] A cavitation which occurs with suction environment or a pump discharge is controlled, and a pump which prevents improvement in pumping performance, reduction of noise or vibration, and corrosion is provided. [Means for Solution...  

Matches 601 - 650 out of 7,031