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30 results about "Flow disruption" patented technology

Recovery of rare cells using a microchannel apparatus with patterned posts

A microflow apparatus for separating or isolating cells from a bodily fluid or other liquid sample uses a flow path where straight-line flow is interrupted by a pattern of transverse posts. The posts are spaced across the width of a collection region in the flow path, extending between the upper and lower surfaces thereof; they have rectilinear surfaces, have arcuate cross-sections, and are randomly arranged so as to disrupt streamlined flow. Sequestering agents, such as Abs, are attached to all surfaces in the collection region via a hydrophilic coating, preferably a hydrogel containing isocyanate moieties or a PEG or polyglycine of substantial length, and are highly effective in capturing cells or other targeted biomolecules as a result of such streamlined flow disruption.
Owner:BIOCEPT INC

Recovery of rare cells using a microchannel apparatus with patterned posts

A microflow apparatus for separating or isolating cells from a bodily fluid or other liquid sample uses a flow path where straight-line flow is interrupted by a pattern of transverse posts. The posts are spaced across the width of a collection region in the flow path, extending between the upper and lower surfaces thereof; they have rectilinear surfaces, have arcuate cross-sections, and are randomly arranged so as to disrupt streamlined flow. Sequestering agents, such as Abs, are attached to all surfaces in the collection region via a hydrophilic coating, preferably a hydrogel containing isocyanate moieties or a PEG or polyglycine of substantial length, and are highly effective in capturing cells or other targeted biomolecules as a result of such streamlined flow disruption.
Owner:BIOCEPT INC

Motor Pylons For A Kite And Aiborne Power Generation System Using Same

A motor pylon system adapted for use with an airborne power generations system is disclosed. The pylons may support turbine driven generators for wind based electrical power generation which also function as electric motors in some aspects. The pylons may be designed to provide side force useful for turning a tethered flying wing flying in a circular cross wind flight path. The pylons may be designed to minimize air flow disruptions over the main wing.
Owner:MAKANI TECH LLC

Bidirectional valved aspirator for surge control and vacuum generation

An aspirator coupled between an inlet of a compressor and an engine intake manifold may include sonic / supersonic expansion curves for both forward and reverse flow through the aspirator. Suction flow may enter a first entraining port coupling an ambient side of the aspirator with a vacuum source during reverse flow through the aspirator, whereas suction flow may enter a second entraining port coupling a manifold side of the aspirator with the vacuum source, the first entraining port counter sunk relative to a nominal slope of the aspirator to reduce flow disruption caused by the port during forward flow through the aspirator. A radial-flow aspirator shut-off valve arranged in series with the aspirator may be controlled to enable or disable motive flow through the aspirator, and motive flow may enter the valve in a direction perpendicular to a motive flow axis of the aspirator when the valve is open.
Owner:FORD GLOBAL TECH LLC

System and method for variable-size table construction applied to a table-lookup approach for load-spreading in forwarding data in a network

A network element disposed in a network, where the network element implements a process to manage load distribution across a plurality of network interfaces of the network. The network element redirects traffic flow directed toward the plurality of network interfaces in response to changes in configuration of the plurality of network interfaces, where each traffic flow is a set of protocol data units (PDUs), having an ordered delivery requirement, and where the PDUs are transmitted across the network between a source node and a destination node. The redirection process minimizes data traffic flow disruption when the load distribution is determined using a set of load distribution tables instead of a hashing algorithm.
Owner:TELEFON AB LM ERICSSON (PUBL)

Embolization microcatheter

Microcatheter for delivering a substance (e.g., infusion agent including embolization material and / or contrast enhancing material) in a small blood vessel towards a target bodily part. Includes a single lumen surrounded by tubular wall having outer diameter and opened at both ends; tubular wall proximal portion is connectable to a pressure source and reservoir containing infusion agent, and tubular wall distal portion ends with a tip; the tubular wall distal portion includes an infusion agent flow disruption section configured to disrupt passage therethrough of incoming retrograded flow of infusion agent, during continuous delivery of infusion suspension from the reservoir to the tip. Disclosed are methods using the microcatheter for performing local embolization in a small blood vessel feeding a (for example, cancerous) target bodily part, and for delivering infusion agent in a small blood vessel towards such target bodily part. Also disclosed are devices and methods for filtering non-target infusion agent.
Owner:ACCURATE MEDICAL THERAPEUTICS LTD

Flow restrictor

A flow restrictor is provided to reduce pressure in the flow of a fluid, such as a hydrocarbon-based fuel. The flow restrictor takes the form of a capillary that is void of any abrupt flow disruptions. The flow restrictor may be used in place of an orifice and provides the advantage that it has a larger diameter than an orifice of similar function. Precipitation is less likely to form on the restrictor and any precipitation is less likely to have an adverse affect on performance.
Owner:WOODSTREAM CORP

Anti-roping Device for Pulverized Coal Burners

An orifice plate for improving particle distribution within a coal piping system includes a plate body defining a central orifice therethrough bounded by an inner periphery of the plate body. The plate body is configured and adapted to be affixed between end flanges of adjacent pipes in a coal piping system so as to generally align the central orifice with an internal flow passage through the coal piping system. Flow disruption features are defined in the inner periphery of the plate body. The flow disruption features are configured and adapted to disrupt a flow of air and particles flowing through the central orifice to provide a more uniform distribution of particles downstream of the plate body than upstream.
Owner:BABCOCK POWER SERVICES

Active structures for heat exchanger

A heat exchanger includes a plurality of channels and one or more active flow disruption members disposed at an entrance to the plurality of channels. The active flow disruption members are configured to induce unsteadiness in a flow through the plurality of channels to increase thermal energy transfer in the plurality of channels. A method for transferring thermal energy from a heat exchanger includes locating one or more active flow disruption members at an entrance to a plurality of channels of the heat exchanger. A flow is directed across the one or more active flow disruption members into the plurality of channels and an unsteadiness is produced in the flow via the one or more active flow disruption members. The unsteadiness in the flow increases the transfer of thermal energy between the heat exchanger and the flow.
Owner:HAMILTON SUNDSTRAND CORP

Flow Disruption Devices for the Reduction of High Lift System Noise

Various embodiments provide systems and methods for noise reduction for lift-augmentation wing-sections (e.g., flaps, slats, elevons, etc.) by the use of flow disruption devices placed upstream of vortex generation locations. The flow disruption devices may reduce the noise radiating from side edges of lift-augmentation control wing sections. An embodiment flow disruption device may include a body configured to protrude into a flow over a vehicle's surface, wherein the body is coupled to the vehicle upstream of a side edge of a structure of the vehicle such that a wake produced by the body introduces unsteadiness and a flow velocity deficit in a vortex formation region of the side edge of the structure.
Owner:NASA

Side view mirror assembly wit quiet drain feature

A vehicle mounted mirror assembly (10) is provided, including a housing (14), a drain hole (16), and an air flow disruption member (18) positioned upwind of the drain hole (16) creating turbulence in the air passing over the drain hole (16) and thereby reducing wind noise.
Owner:RIGNEY NICK

Device and method to activate platelets

The present invention includes a method for activating platelets in a platelet solution, the method may include passing the platelet solution through an activator at least once to activate at least one of the platelets in the platelet solution to produce an activated platelet solution. The activator may further include a flow disruption element. The method may further induce administering the activated platelet solution to the repair site of a patient. The present invention may also be a system for treating a medical condition at a repair site within a patient in need thereof, which may include a platelet solution container for housing a platelet solution; an activator to activate at least one platelet; and an introducer to direct the at least one activated platelet to the repair site.
Owner:HOWMEDICA OSTEONICS CORP

Auxiliary system for vehicle implements

A hydraulic system includes one or more hydraulic subsystems that have a source of additional flow for supplying an auxiliary system. The hydraulic system may include one or more actuator systems, a boost system, and a further hydraulic system, such as a steering system. The source of additional flow for supplying the auxiliary system may include: sizing the boost system for providing both full boost function and auxiliary function, sizing the steering system for providing both full steering function and auxiliary function, utilizing available flow from an unused actuator function, and / or utilizing a selector manifold for actively selecting the source of auxiliary flow based on the flow and pressure demands of the respective hydraulic systems. Such a hydraulic system enables flow to be available to an auxiliary function regardless of the flow requirements for the actuator functions and / or other vehicle functions, while also minimizing interactions and flow disruptions to the various hydraulic subsystems.
Owner:PARKER HANNIFIN CORP

Pneumatic Testing For Gas Chromatograph Inlet

A method and apparatus for detecting a flow disruption within a gas chromatograph (GC) inlet. A controller controls an input flow of a gas entering a chamber of the GC inlet, and the output flow of gas leaving the chamber. A flow disruption is detected when at least one of the input and output flows deviates from a target value.
Owner:AGILENT TECH INC

Insect lure trap with flow restrictor

A flow restrictor is provided to reduce pressure in the flow of a fluid, such as a hydrocarbon-based fuel. The flow restrictor takes the form of a capillary that is void of any abrupt flow disruptions. The flow restrictor may be used in place of an orifice and provides the advantage that it has a larger diameter than an orifice of similar function. Precipitation is less likely to form on the restrictor and any precipitation is less likely to have an adverse affect on performance.
Owner:WOODSTREAM CORP

System and method for feeding and transporting documents including document trailing edge detection by sensing an air flow disruption while the document is still being fed from the document stack

A system and method for feeding and transporting documents are provided. The method includes directing airflow to a fixed location upstream of a feeder at a stack of documents such that a document trailing edge passing the fixed location causes a disruption in the airflow. The method further comprises sensing the airflow disruption to indicate detection of the document trailing edge at the fixed location. Various techniques may be utilized for sensing the airflow disruption including detecting air pressure variations, accelerations, and / or deflections that result from the disruption and airflow.
Owner:BURROUGHS CORP

Embolization microcatheter

Microcatheter for delivering a substance (e.g., infusion agent including embolization material and / or contrast enhancing material) in a small blood vessel towards a target bodily part. Includes a single lumen surrounded by tubular wall having outer diameter and opened at both ends; tubular wall proximal portion is connectable to a pressure source and reservoir containing infusion agent, and tubular wall distal portion ends with a tip; the tubular wall distal portion includes an infusion agent flow disruption section configured to disrupt passage therethrough of incoming retrograded flow of infusion agent, during continuous delivery of infusion suspension from the reservoir to the tip. Disclosed are methods using the microcatheter for performing local embolization in a small blood vessel feeding a (for example, cancerous) target bodily part, and for delivering infusion agent in a small blood vessel towards such target bodily part. Also disclosed are devices and methods for filtering non-target infusion agent.
Owner:ACCURATE MEDICAL THERAPEUTICS LTD

Flow dividing device for a condensation steam turbine having a plurality of outlets

The invention relates to a flow dividing device for a condensation steam turbine having a plurality of outlets comprising a flow divider (5) dividing the total steam flow within the waste steam housing (2) into two steam flows (30, 31), each flowing through an associated condenser (14, 15), a stagnation point detection device (18-20) for locating the stagnation point (29) formed upon dividing the total steam flow at the front edge of the flow divider (6), and a coolant dividing device (21, 22) by means of which the coolant infeed (23) to the condensers (14, 15) is controlled as a function of the location of the stagnation point (29) such that the stagnation point (29) is centered on the flow divider (5) while avoiding a flow disruption (32).
Owner:SIEMENS AG

Fuel system having flow-disruption reducer

A fuel system for an engine is disclosed. The fuel system may have a filter, a pump, and a conduit fluidly connected between the filter and the pump. The fuel system may also have a manifold, and a valve movable to direct a first portion of a fuel flow discharged from the pump into the manifold and a remaining second portion of the fuel flow discharged from the pump into the conduit. The fuel system may additionally have a flow-disruption reducer disposed within the conduit between the filter and a discharge location of the remaining second portion of the fuel flow.
Owner:CATERPILLAR INC

Using counter-bore and capillary geometry to control mesophase pitch-based carbon fiber filament micro and macro structure

A spinning die for spinning mesophase pitch into carbon fibers. The die includes a central cavity having a bottom and at least one side wall which intersects the bottom. At least one capillary for forming a fiber is in fluid communication with the cavity, the capillary having a first open end, a second open end, an axis and a diameter (d). A flow disruption shoulder is positioned at the juncture of the bottom of the central cavity and the first open end of the capillary to create turbulence at the capillary entrance.
Owner:CONOCO INC
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