Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 201 - 250 out of 7,473

Document Document Title
WO/2016/152894A1
This pump has a simple structure that can suppress contact between a balance disk and a balance sheet. The multistage pump 200 is provided with a rotating shaft 1; impellers 2 mounted on the rotating shaft 1; a balance mechanism 70 for b...  
WO/2016/148715A1
A system can include a current controller that includes state-space based control logic that outputs three voltage values based at least in part on two current values and values of asymmetric state-space system parameters associated with...  
WO/2016/142898A1
The float switch device for submersible pumps, comprises a float member (2) constrained to a flexible cable (3) which is electrically connected to the driving member of the pump (10). The flexible cable (3) is associated with a tilting s...  
WO/2016/134946A1
According to some embodiments, functionality of a conventional variable speed drive (VSD) for driving a subsea electric motor is "split" with the CPU with frequency converter control being located topside and the low-level switching hard...  
WO/2016/136636A1
An operation efficiency estimation system according to an embodiment of the present invention has a fluid transport apparatus, an operation information acquisition unit, an operation period extraction unit, a power measuring unit, a pres...  
WO/2016/132107A1
A system comprising : a reservoir (14) for holding a liquid (1); a pump (20) arranged to pump the liquid (1) out of the reservoir (14) to a system outlet (24) or into the reservoir (14) from a system inlet; a pressure sensor (34) arrange...  
WO/2016/132108A1
A system comprising: a reservoir (14) for holding a liquid; a pump (20) arranged to pump the liquid out of the reservoir (14) or into the reservoir (14); a level sensor (26) configured to detect the level of the liquid in the reservoir (...  
WO/2016/126328A1
A fluid pumping system comprises a fluid machine (14); a sensor (26) operatively coupled to the fluid machine, the sensor being configured to obtain at least one of vibration data or acoustic data from the fluid machine; and a controller...  
WO/2016/119939A1
Disclosed is a method for detecting cavitation during operation of a hydraulic machine which has at least one impeller, said method using at least one structure-borne noise sensor, wherein the following method steps are carried out: dete...  
WO/2016/123159A1
Systems and methods for controlling an ESP installed in a well. The ESP is operated at a first voltage, and the current actually drawn by the ESP motor is monitored and compared to an expected current. If the actual current differs from ...  
WO/2015/066563A9
A system and method for efficiently treating metal catalyst resident in a reactor vessel comprises a sulfiding module, a sulfur source, an ammonia source, and/or a coking source, a hydrogen sulfide detection module, a hydrogen gas detect...  
WO/2016/116428A1
The invention relates to a column (1) for purification by distillation of carboxylic acid anhydrides, comprising a bottoms circulation stream in which an evaporator (21) is accommodated, and a pump (23), in order to direct product remove...  
WO/2016/116090A1
The invention relates to a regulatable coolant pump used in association with internal combustion engines as the primary water pump in a primary coolant stream, comprising an electrical supplementary water pump arranged in parallel with t...  
WO/2016/115641A1
In an aspect, there is provided a pump impeller assembly that includes a first impeller portion arranged to drive a fluid through a fluid conduit, a second impeller portion movable between a more-rotationally engaged position in which th...  
WO/2016/113612A1
A pump group (1) for a cooling circuit of an engine comprising a pump body (2), a rotor (3) and adjustment means (10) suitable for adjusting the amount of liquid moved by the rotor (3) Wherein the adjustment means (10) comprise: i) a val...  
WO/2015/066563A8
A system and method for efficiently treating metal catalyst resident in a reactor vessel comprises a sulfiding module, a sulfur source, an ammonia source, and/or a coking source, a hydrogen sulfide detection module, a hydrogen gas detect...  
WO/2016/102271A1
Disclosed is a hydraulic system comprising at least one circulation pump unit (2) that includes a speed controller (4, 26), further comprising at least one hydraulic circuit (A, B) that is connected to the circulation pump unit (2), and ...  
WO/2016/102269A1
The invention relates to a hydraulic system comprising at least one circulation pump unit (2) that includes a speed controller (4, 26), further comprising at least one hydraulic circuit (A, B) that is connected to the circulation pump un...  
WO/2016/094530A1
A method for monitoring operation of an electric submersible pump. The method includes receiving data signals indicating values for a plurality of parameters regarding operation of the electric submersible pumping system; establishing, f...  
WO/2016/091342A1
The invention relates to a method for operating an electric-motor-driven centrifugal pump (3) in a hydraulic system (4) having at least one self-controlled load, wherein a gradient (dQakt/dt) of the volumetric flow rate (Q akt ) of the c...  
WO/2016/089237A1
The invention relates to an apparatus (100) for monitoring of a pump ( 16), the apparatus (100) comprising a control module (60) configured to receive at least one signal representing an operational parameter (74, 76) of the pump (16), e...  
WO/2016/086986A1
An electronic converter unit for retrofitting to an external part of a housing of a pump unit is described. The housing comprises a light source for emitting light to display an operating status of the pump unit. The electronic converter...  
WO/2016/087056A1
An electronic converter unit for retrofitting to an external part of a housing of a pump unit is described. The housing comprises a light source for emitting light to display an operating status of the pump unit. The electronic converter...  
WO/2016/087595A1
An electronic converter unit (30, 86, 87) for being arranged external to a pump unit (10) is described. The pump unit (10) includes a housing (12), which comprises a signal source (16, 18) for emitting a signal. The electronic converter ...  
WO/2016/075097A1
A method and a system are disclosed, arranged for pressure control of well fluid produced from wells in a hydrocarbon production field. The system comprises a first pump (6) in fluid communication with a first well (W1-W5) and a second p...  
WO/2016/074956A1
A method and a system is disclosed and arranged for pressure regulation of well fluid produced from a hydrocarbon well (W1-W5) in a hydrocarbon production field. The system comprises a pump (6, 206) arranged on a well head (5, 201) in fl...  
WO/2016/071285A1
The invention relates to a method for producing a set of characteristic curves of a fluid pump (13) of a pressure-dependent fluid conveying system (10) in a working range of the fluid pump (13). In this connection the fluid conveying sys...  
WO/2016/073245A1
Aspects of the invention generally provide a heat engine system and a method for activating a turbopump within the heat engine system during a start-up process. The heat engine system utilizes a working fluid circulated within a working ...  
WO/2016/066500A1
The invention relates to a device (1) for sensing an operating pressure of a fuel pump (100) for a motor vehicle, wherein the device comprises: a rotational-speed sensing apparatus (10), which is designed to sense a rotational speed of t...  
WO/2016/066502A1
Apparatus (1) for controlling a fluid pump for a motor vehicle, said apparatus comprising: a first control device (10) designed to control an electric prime mover (110) of a fluid pump (100) by impressing at least one motor current havin...  
WO/2016/059133A1
The invention relates to a water supply apparatus for the supply of water to a machine tool, comprising a water pump, a water accumulator device, a suction line, a supply line and a valve device which can be reversibly adjusted at least ...  
WO/2016/060764A1
A system and method to identify a condition of cavitation or gas lock in a pump configured to convey a liquid to a surface from a subsurface environment via tubing are described. The system includes a tool to create a binary event based ...  
WO/2016/058628A1
The invention relates to a fluid pump (10) having a pump chamber (28), which is connected to a pump inlet (32) by way of an inlet line (30) and to a pump outlet (36) by way of an outlet line (34), and in which a pump member (22) than can...  
WO/2016/059112A1
A method for detecting faults or operational parameters in a pump assembly by use of a handheld communication device is described. The pump assembly includes an electric motor and a pump, wherein the pump assembly or electric motor has a...  
WO/2016/057262A1
A variable turbine geometry turbine (20) includes a flow control device (100). The device (100) includes vanes (114) that are fixed to the turbine housing (22) and protrude into the throat (34) between the turbine volute (26) and turbine...  
WO/2016/046682A1
A valve group (10) for a pump (1) of a cooling circuit for vehicles. The pump (1) comprises a pump body (2) having a compartment for housing the valve group (10); wherein on the bottom of the housing is formed an outlet mouth (80) for th...  
WO/2016/049468A1
A molding machine for molding material is provided. The machine includes a cavity to be filled with molten metal and a conduit system leading to the cavity, thus forming a system of interconnected hollow spaces. At least one pressure mem...  
WO/2016/041990A1
A system (16) for pumping a fluid, comprising: a pump (17) comprising a suction side (18) and a discharge side (19); a motor (20) for driving the pump, which motor is drivingly connected to the pump via a shaft (21); a return line (23) p...  
WO/2016/041991A1
A method of operating a system (16) for pumping a fluid, which system comprises: a pump (17) for pumping the fluid; and a variable speed motor (20) for driving the pump (17). The method comprises the steps of: identifying a first system ...  
WO/2016/044579A1
A seal section for use in a downhole submersible pumping system (100) includes redundant fluid separation mechanisms. The fluid separation mechanisms are bag seal assemblies (122, 124), labyrinth seals, pistons and bellows. The seal sect...  
WO/2016/044426A1
A method of a control system (2200) controls an inductance motor in a blower including an impeller and volute using a pressure compensation control system. The control system may be implemented in a respiratory pressure therapy device. T...  
WO/2016/034159A1
The invention relates to a regulation device for regulating and/or limiting the pump pressure of centrifugal pumps in fluid circuits, such as, for example, a cooling circuit of a combustion engine. The object of the invention is to devel...  
WO/2016/036342A1
Rotation control for an electric submersible pump (ESP) is provided. In one possible implementation, a controller dynamically measures a motor condition, such as an ongoing temperature, of a turned-off AC motor of an electric submersible...  
WO/2016/030975A1
The present invention makes it possible to perform time management for a water supply device without using a timer unit in a water supply device. Provided is a water supply device having a plurality of pumps, a plurality of electrical mo...  
WO/2015/130623A3
Apparatus includes a pump for pumping liquid having a pump housing outlet nozzle; and a back flow preventer assembly having an inlet end coupled to the outlet nozzle, having an outlet end coupled to an outlet hose for connecting to an ou...  
WO/2016/016212A1
A method for operating a fluid delivery system which comprises at least one delivery pump which delivers delivery fluid is provided, in which a speed of the at least one delivery pump is varied in a controlled manner, wherein the speed v...  
WO/2016/012379A1
The invention relates to a coolant pump for pumping a coolant for an internal combustion engine in a vehicle which comprises the internal combustion engine and a central engine control. The coolant pump comprises a pump shaft (4) which i...  
WO/2016/012378A1
The invention relates to a coolant pump for pumping a coolant for an internal combustion engine in a vehicle which comprises the internal combustion engine and a central engine control. The coolant pump comprises a pump shaft (4) which i...  
WO/2016/009043A1
The invention relates to a method for determining the delivery rate of a pump. In this context, a value of the delivery level and a value of the power of the pump are determined. A probability density function is calculated for the deliv...  
WO/2016/010589A1
A tool is provided for use in a variety of ESP and other well control applications. The tool employs a simplified design for ESP and well control applications and has a main valve which may be operated by a plurality of different shiftin...  

Matches 201 - 250 out of 7,473