Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 551 - 600 out of 6,859

Document Document Title
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...  
JP5841386B2  
JP2016000985A
【課題】共通の流体流路に流体を送る複数の 電動ポンプの長寿命化を図れるポンプ制御シ ステムを提供する。【解決手段】共通の流体 流路Rに流体を送る複数の電動ポンプP...  
JP5839803B2  
JP2015222062A
【課題】 本発明は、ポンプの運転台数の増減の繰り返 しの発生を抑制することができる給液装置を 提供する。【解決手段】 給水装置10のポンプ41〜61の動作を制 御す...  
JP2015218586A
【課題】羽根車等の回転部と、ケーシングや ケーシングカバー等の固定部との錆付きロッ クや水垢ロックによる固着を防止するポンプ 装置を提供する。【解決手段】ポンプ装...  
JP5823348B2  
JP2015209817A
【課題】 本発明は、制御盤に対する作業の効率の低下 を防止しつつ、コストの増加を防止できる給 液装置を提供する。【解決手段】 給水装置10は、流路20と、流路に供...  
JP5820327B2  
JP5817062B2  
JP5813527B2  
JP5815475B2  
JP2015202424A
【課題】沈殿池が集中豪雨により溢れ出すこ とを防止できる上澄み水排出装置を提供する 。【解決手段】第1沈殿池Dに設けられた水 中ポンプ10と、水中ポンプ10を水面...  
JP2015200213A
【課題】エンジン停止機能によりエンジンが 一時的に停止した際、エンジンに極僅かな冷 却用の水を供給し続けてエンジンの信頼性を 高めることができる低コストな電動ウォ...  
JP5810022B2  
JP5809861B2  
JP2015194156A
【課題】ポンプ装置が省エネルギー運転とな るように制御するポンプ運転台数制御方法を 提供する。【解決手段】本発明のポンプ運転 台数制御方法では、同一特性並列揃速で...  
JP2015190375A
【課題】簡易な構成と制御プログラムで、貯 水タンク内の水の排水と給水が可能な水ポン プの制御装置を提供する。【解決手段】イン ペラ72を駆動して吸入口から吸入され...  
JP5792542B2  
JP5790825B1
【課題】沈殿池が集中豪雨により溢れ出すこ とを防止できる上澄み水排出装置を提供する 。【解決手段】第1沈殿池Dに設けられた水 中ポンプ10と、水中ポンプ10を水面...  
JP5782835B2  
JP5775762B2  
JP5775791B2  
JP2015151866A
To improve the durability of a hydrodynamic bearing pump.A drive control device increases a rotation speed of an impeller up to a floatation minimum rotation speed at which the impeller is supported in a noncontact manner at a preset rot...  
JP2015145626A
To provide an automatic operation type water pump channel submerged pump showing a superior heat radiation at a control circuit even if component elements constituting the control circuit is arranged within a limited space such as a head...  
JP2015146717A
To provide a pump which makes a reliable countermeasure for submergence while inhibiting cost increase.A pump 10 includes: a pump casing 11; an impeller 19 disposed in the pump casing 11; and a waterproof motor 30 for rotationally drivin...  
JP5752979B2  
JP5748420B2  
JP5746155B2  
JP2015121153A
To precisely control a flow without a flow meter in a pump system.A flow estimation model having higher estimation accuracy is selected on the basis of the variation of a pipe system curve from a first flow estimation model (M1) which es...  
JP2015121218A
To provide a control method for minimizing electrical energy consumed by a pump during a process of filling or draining a tank, the method making it possible to save electrical energy consumption across the entire range of operation of t...  
JP5741318B2  
JP5738286B2  
JP5736438B2  
JP2015105649A
To provide a rainwater pump control device capable of attaining adaptation for rapid and severe flowing-in of rainwater by detecting flowing-in of rainwater in advance and performing a stand-by operation of the rainwater pump in advance,...  
JP5727881B2  
JP5723642B2  

Matches 551 - 600 out of 6,859