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Patent Searching and Data


Matches 701 - 750 out of 3,313

Document Document Title
WO/2003/103540A1
A Method of Determining the Helix Angle of a Helical Formation for a Conduit. A method of determing the helix angle of a helical formation (4) within a conduit (1). The method includes specifying the internal dimensions of the conduit (1...  
WO/2003/100356A1
A flow restrictor (30) for a mass flow metering device formed of a solid material and slots (32) originating from an outer surface towards inward.  
WO2002072421A3
The present invention involves a system for altering the aerodynamic shape and/or fluid flow about a solid body.(110). The preferred embodiment comprises an obstruction (130) disposed on the solid body and extending outwardly from the so...  
WO2002068829A8
The application discloses a device for eliminating the static pressure of downward flowing liquid, comprising : a riser pipe, the upper end of the riser pipe being connected with a first pipe for transporting fluid with a high static pre...  
WO/2003/091578A1
A duct (10) for transporting a two phase mixture has a length portion of circular cross-section (12) leading, via a transition zone (14) in which the duct cross-section changes from circular to lobed, to a zone in which its cross-section...  
WO2002098325A3
There is a disclosed a conduit supporting structure that imposes, maintains and/or reinforces a flow guiding formation of a conduit, whereby to effect a desired flow configuration in the conduit.  
WO/2003/087604A1
The invention relates to a solid body consisting of plastic, glass, ceramic or metal, and at least partially comprising a microstructured surface with rows of trapezoidal or wedge-shaped grooves which are oriented in a preferred directio...  
WO2002016783A8
The inventive device for effecting a flow of liquid medium comprises a pump for continuously feeding the liquid medium for processing, a channel for pumping the flow of the treated liquid medium, a unit for turbulizing the flow of the tr...  
WO/2003/069284A1
The invention relates to a mass tube (1) for an air measuring sensor (3) comprising a metal grid (4) acting as a flow rectifier arranged perpendicular to the air flow (2). At least two fixing elements (5) are arranged on the measuring tu...  
WO/2003/069167A1
The invention relates to a U-shaped pipe, more particularly to an closed circulating line for central heating and refrigeration in which fluid medium serves as 'energy' carrier, and an open-type mass circulation pipe for water or gas. Th...  
WO/2003/067169A2
A flexible composite sheet or FCS (100) comprising a membrane (102), a substrate (106) coupled to the membrane (100), and a plurality of ridges (104) coupled between the membrane (102) and the substrate (106), wherein a vibratory motion ...  
WO2002016783A9
The inventive device for effecting a flow of liquid medium comprises a pump for continuously feeding the liquid medium for processing, a channel for pumping the flow of the treated liquid medium, a unit for turbulizing the flow of the tr...  
WO/2003/060247A1
The closure of the vortex regulator is intended for closing an opening in a wall (5) of the hydraulic vortex regulator (1) and comprises a cover (8) with a sealing surface extending substantially in a plane, said cover (8) being at one s...  
WO/2003/056190A1
A vortex ring generator (11) adapted to be associated with a body (12) subjected to fluid flow, the vortex ring generator (11) being adapted to produce a fluid flow in the form of a vortex ring with the fluid flow moving over the body fr...  
WO/2003/056228A1
A fluid pathway (36) provided with a flow controller (37) in at least a portion of its length wherein the flow controller (37) comprises an active surface capable of influencing the fluid flow (34) through the fluid pathway (36), the con...  
WO2002103304A3
The systems and methods of the invention include systems and techniques for controlling a turbulent boundary layer from with a transverse traveling wave, oscillating at certain selected frequencies, amplitudes and wavelengths, to provide...  
WO/2003/048013A1
A system (10) and method for conveying flowable material through a conduit that creates a strong laminar flow of the material surrounded by a boundary layer flow of the same or a different flowable material, such that long transport dist...  
WO/2003/045280A1
There is disclosed an insert (2) for a conduit (4) adapted to effect helical flow in the conduit (4) comprising a longitudinally extending member having a helical formation.  
WO/2003/045278A1
There is disclosed a method for introducing a helical formation (11) into a flexible tubular material (12). The material (12) is supported together with a surrounding helical former (13) so as to deform the material (12) to have a helica...  
WO/2003/045279A1
A helical formation (2) for a conduit (1). The helical formation (2) comprises an elongate member defining at least a portion of a helix, the elongate member comprising two inwardly extending portions (6, 7). The inwardly extending porti...  
WO/2003/045778A1
This application concerns a method and system using a hydrodynamical effect for producing a potential over a body. The force obtained this way is useful for the propulsion and manoeuvering of ships, submarines, aeroplanes, and airships. ...  
WO/2003/030717A2
A non-linear flow restrictor (50) that limits the maximum flowrate in a medical aspiration system (10). The flow restrictor (50) changes the direction of fluid flow to generate non-linear effects in the fluid. This creates a non-linear r...  
WO2002058831A3
The invention is a method and an apparatus (10) for generating vortex rings in a fluid medium. The apparatus (10) is immersed in a body of water, and an air pump feeds gas in the form of air directly into the base (15) of the apparatus (...  
WO/2003/027509A1
The inventive device comprises a pump provided with suction and pressure pipes and connected to a source of fresh a fluid medium, a unit for turbulising said medium flow at the pump output, a unit for continuously fractionating the turbu...  
WO/2003/021111A1
The invention relates to a method of treating flowing water and the surfaces in contact with said flowing water. The invention is characterised in that the following compounds are introduced together into the water, preferably close to s...  
WO2003002878A3
Apparatus used for the transport of fluids, the apparatus being suitable for use in oil-well production pipelines and pipelines and pipelines connectors used in oil fields or other applications where fluid contains a solid or where a sol...  
WO2002095278A9
An underwater cladding (10) for an underwater elongate member (such as a pipe, riser, cable etc.) has a cylindrical outer surface (12) having a plurality of grooves (14) therein and extending therealong. Vortex induced vibration (VIV) is...  
WO/2003/004882A1
The invention relates to a method for influencing the rheological properties of a liquid interacting with at least one contact surface associated with an installation or machine part. At least one part of the liquid elements forming the ...  
WO/2003/002878A2
Apparatus used for the transport of fluids, the apparatus being suitable for use in oil-well production pipelines and pipelines and pipelines connectors used in oil fields or other applications where fluid contains a solid or where a sol...  
WO/2003/000483A1
The invention relates to surfaces and combinations of surfaces, which have at least two different structure shapes. Said structural shapes can take the form of any combinations of directed or nondirected structures, the main dimensions t...  
WO/2002/103304A2
The systems and methods of the invention include systems and techniques for controlling a turbulent boundary layer from with a transverse traveling wave, oscillating at certain selected frequencies, amplitudes and wavelengths, to provide...  
WO/2002/098325A2
There is a disclosed a conduit supporting structure that imposes, maintains and/or reinforces a flow guiding formation of a conduit, whereby to effect a desired flow configuration in the conduit.  
WO/2002/095278A1
An underwater cladding (10) for an underwater elongate member (such as a pipe, riser, cable etc.) has a cylindrical outer surface (12) having a plurality of grooves (14) therein and extending therealong. Vortex induced vibration (VIV) is...  
WO/2002/093005A2
The invention relates to a water circuit motor which uses the reinjection force of water as an energy source, said force having been researched and proven around the world. The dynamic particles which can be produced successively in an u...  
WO/2002/081303A1
The present invention relates to apparatus (3) for influencing fluid flow over a surface (1), and more particularly, but not exclusively, to turbulent boundary layer flow drag reduction for an aircraft. The present invention provides suc...  
WO2002050456A3
A vortex valve (1) that comprises a valve body (11); an inlet chamber (20); a fluid distribution chamber (31); a vortex chamber (2); two tangential ducts (3, 4) through which two opposing flows are injected from the fluid distribution ch...  
WO/2002/074621A1
A swirl generator for creating bulk swirl in a compressor plenum (22) in the opposite direction to the direction of rotation of the compressor rotor (12). The generator includes a continuous flow pasageway formed by an inlet duct (40) an...  
WO2002044559A3
The method for partially accelerating molecules of a Newtonian fluid in tubes enables a direct flow energy concentration of the average energy of a surface, which is flown against, inside suction tubes, and permits the economical use of ...  
WO/2002/072421A2
The present invention involves a system for altering the aerodynamic shape and&sol or fluid flow about a solid body.(110). The preferred embodiment comprises an obstruction (130) disposed on the solid body and extending outwardly from th...  
WO/2002/068829A1
The application discloses a device for eliminating the static pressure of downward flowing liquid, comprising : a riser pipe, the upper end of the riser pipe being connected with a first pipe for transporting fluid with a high static pre...  
WO/2002/058831A2
The invention is a method and an apparatus (10) for generating vortex rings in a fluid medium. The apparatus (10) is immersed in a body of water, and an air pump feeds gas in the form of air directly into the base (15) of the apparatus (...  
WO2002040875A3
An underwater cladding for an elongate member such as a pipe (10) has outwardly projecting flexible members (16, 24, 28) which are deformed by a current flow to guide water around the elongate member. The elongate members may be in the f...  
WO2000066895A3
A device for providing uniform powder flow to the nozzles when creating solid structures using a solid fabrication system such as the directed light fabrication (DLF) process. In the DLF process, gas entrained powders are passed through ...  
WO2001078893A9
The invention provides microfluidic devices with embedded fluidic impedances. Such impedancesdo not allow fluid to pass at a low differential pressure, but allow fluid to flow at a higher differential pressure. Impedances are formed by t...  
WO/2002/050436A1
The invention relates to mechanical engineering and can be used for reducing the head resistance of moving objects whose surface is flowed round by liquid or gas. Said invention reduces the head resistance by reducing total pressure resi...  
WO/2002/050456A2
A vortex valve that comprises a valve body; an inlet chamber; a fluid distribution chamber; a vortex chamber; two tangential ducts through which two opposing flows are injected from the fluid distribution chamber into the vortex chamber;...  
WO2002021063A3
The invention relates to a heat exchanger (1) with a number of first ducts (2) for a first medium and a number of second ducts (4) for a second medium in heat-exchanging contact therewith via partition walls (5). The dimensions of the fi...  
WO/2002/044015A1
An apparatus and method for improving the efficiency of marine cable tow operations. Indentations such as dimples in the cable exterior surface reduce frictional drag forces and reduce strumming of the cables as the cables are towed thro...  
WO/2002/044559A2
The method for partially accelerating molecules of a Newtonian fluid in tubes enables a direct flow energy concentration of the average energy of a surface, which is flown against, inside suction tubes, and permits the economical use of ...  
WO2001078893A3
The invention provides microfluidic devices with embedded fluidic impedances. Such impedancesdo not allow fluid to pass at a low differential pressure, but allow fluid to flow at a higher differential pressure. Impedances are formed by t...  

Matches 701 - 750 out of 3,313