Class / Patent application number | Description | Number of patent applications / Date published |
073610750 | Vibration | 28 |
20080216564 | Biosensors for Detecting Bond Rupture - A biosensor comprises a surface onto which bio-macromolecules are bound, the surface and bio-macromolecules being immersed in liquid, a bond rupture detector associated with the surface and arranged to detect the rupture of bonds between the bio-macromolecules and a target substance ( | 09-11-2008 |
20080245137 | METHOD AND APPARATUS FOR ESTIMATING SOLIDS CONCENTRATION IN SLURRIES - Methods of estimating concentration of solids in a slurry comprising solid material, liquid material, and optionally also gaseous material comprise passing a first ultrasonic pulse through a portion of the slurry, measuring amplitude of the first ultrasonic pulse, removing solid material from a portion of the slurry to provide a filtered liquid, passing a second ultrasonic pulse through a portion of the filtered liquid, and measuring amplitude of the second ultrasonic pulse. Measuring devices comprise a measuring device body having a passageway extending therethrough, and a sending transducer which sends ultrasonic pulses and which is mounted on the measuring device body. A system for estimating concentration of solids in a slurry comprises a containment structure defining a space for receiving a portion of the slurry, a containment structure defining a space for receiving a liquid material included in the slurry, and receiving transducers mounted on each of the containment structures. | 10-09-2008 |
20080282781 | Monitoring Particles in a Fluid Stream - There is described an apparatus for monitoring particles in a fluid stream, comprising a body portion and a detector element that is acoustically decoupled from the body portion. The detector element comprises a target surface, a sample acoustic sensor and a corrosion sensor. The sample acoustic sensor is acoustically coupled to the target surface and is arranged to provide a first signal, which varies in dependence upon acoustic noise generated by impacts of particles and fluid on the target surface. The corrosion sensor is arranged to provide a second signal, which varies in dependence upon corrosion and/or erosion of the target surface. A corresponding method of monitoring particles in a fluid stream is also described. The method and apparatus are suitable for monitoring sand in oil and gas production flow streams. | 11-20-2008 |
20090158821 | DEVICES, METHODS AND SYSTEMS FOR MEASURING ONE OR MORE CHARACTERISTICS OF A SUSPENSION - A device, method and system for measuring one or more ultrasound parameters of a suspension comprising particles dispersed in a liquid carrier comprising, an immersible devices, comprising, one or more ultrasonic probes; a reflector having staggered reflective; a housing having an opening into the housing to allow the suspension to flow into the space between the probe surface and the reflective surface; an ultrasound wave generator/receiver device; and a signal processing device. | 06-25-2009 |
20090158822 | DEVICES, METHODS AND SYSTEMS FOR MEASURING ONE OR MORE CHARACTERISTICS OF A BIOMATERIAL IN A SUSPENSION - A system for measuring one or more ultrasound parameters of a suspension comprising particulate biomaterial dispersed in a liquid carrier comprising, a bioprocessor for processing the particulate biomaterial; an immersible device comprising an ultrasound probes and a reflector; a housing, that fixes the probe and the reflector at positions with a space in between the probe surface and the reflective surface, comprising an opening into the housing that is of a size sufficient to allow the suspension to flow into the space between the probe surface and the reflective surface; an ultrasound wave generator/receiver device; and a signal processing device. | 06-25-2009 |
20090158823 | Particle analysis in an acoustic cytometer - The present invention is a method and apparatus for acoustically manipulating one or more particles. | 06-25-2009 |
20100031735 | SYSTEM AND METHOD FOR ULTRASONIC MEASURING OF PARTICLE PROPERTIES - Devices, systems and methods for measuring and detecting properties of a variety of particles or cells in suspension. Properties, such as, for example, velocity of particles, concentration and/or size may be measured according to the methods of the invention. Acoustic energy may be introduced to a focal zone and narrow band interrogating signals may be used. The acoustic energy may cause movement or streaming of the fluid or suspension. The acoustic streaming may allow a Doppler effect measurement without any other source of velocity. | 02-11-2010 |
20100050750 | Concentrator - A concentrator that is operable to concentrate particles of target material from a high flow rate sampled airflow into a low flow rate secondary airflow. The concentrator may have an array of radially arranged blades. Each blade may have a sampled airflow inlet that uses centrifugal force to concentrate the particles into a central portion of the sampled airflow passing through it. Downstream, the blade may also have primary airflow outlets and knife-edged secondary airflow inlets that divide the sampled airflow into a pair of lateral, high flow rate primary airflows from which the particles have been depleted, and a central, low flow rate secondary airflow which carries the concentrated particles. | 03-04-2010 |
20100139377 | PARTICLE FOCUSING WITHIN A MICROFLUIDIC DEVICE USING SURFACE ACOUSTIC WAVES - Examples of the present invention include apparatus and methods for particle focusing, for particles within a fluid sample. An example apparatus, which may be a microfluidic device, comprises a substrate, a channel receiving the fluid sample, and at least one surface acoustic wave (SAW) generator. The SAW generator may comprise electrodes supported by the substrate. In some examples, the channel has a particle focusing region located near a region of the substrate surface in which a SAW is generated. Particles are concentrated within one or more particle focus regions of the sample flow (the particle focus regions being appreciably narrower than the channel dimensions) by the effects of the SAW. As an example, a pair of SAW generators can be used to generate a standing surface acoustic wave (SSAW) that is used for particle focusing. | 06-10-2010 |
20100212407 | AIR BUBBLE DETECTOR - Air bubbles may be characterized by an air bubble detector by choosing an optimum set of frequencies and then comparing a return signal from a sensor receiving those frequencies against an internal reference. The number of pulses that exceed the internal reference represents a width and may be counted. The width, as counted, may be correlated to bubble characteristics including volume. | 08-26-2010 |
20110138890 | CELL FOR TESTING MICROBEADS AND METHOD OF ANALYZING MICROBEADS - Disclosed herein is a cell for testing microbeads, used for testing microbeads each formed in a cylindrical shape having an upper surface and a lower surface opposite to and substantially parallel to each other and a side surface continuous with the upper and lower surfaces, at least one of the upper surface and the lower surface being provided with an identification pattern, the cell including: a support substrate; and a cover disposed opposite to the support substrate, wherein a space between the support substrate and the cover forms a containing space in which to dispose the microbeads, and the distance between the support substrate and the cover is greater than the thickness of the microbeads and smaller than twice the thickness of the microbeads. | 06-16-2011 |
20110138891 | Device For The Gravimetric Detection Of Particles In A Fluid Medium, Comprising An Oscillator Between Two Fluid Channels, Production And Method Of Employing The Device - The invention provides a device for the gravimetric detection of particles in a fluid medium, comprising a flat electromechanical oscillator ( | 06-16-2011 |
20110154890 | SEPARATION OF PARTICLES IN LIQUIDS BY USE OF A STANDING ULTRASONIC WAVE - The invention relates to a device for manipulation of particles ( | 06-30-2011 |
20110162440 | VIBRATING TRANSMITTER FOR CONSISTENCY MEASUREMENT - The invention relates to a transmitter for consistency measuring of pulp suspensions at first hand, comprising a measuring body ( | 07-07-2011 |
20110265558 | Method and System For Determining Particle Size Distribution and Filterable Solids In A Bitumen-Containing Fluid - A method and system for determining particle size distribution and/or filterable solids in bitumen-containing fluid is described. A sample of bitumen-containing fluid, such as bitumen-froth feed, bitumen-froth solvent or paraffinic-froth-treated (PFT) bitumen-solvent is obtained. An optimized diluent combination is determined, comprising an aromatic or cycloaliphatic solvent such as toluene, benzene, naphthalene, xylene, anthracene, or cyclohexane together with a C3 to C12 paraffinic solvent. The combination is considered optimized when diluting the sample with the combination maintains substantially the same level of deasphalting in the diluted sample as in the undiluted sample. Upon dilution of the sample with optimized diluent combination, particle size distribution can be accurately determined using optical instrumentation, laser diffraction instrumentation, electrical counting instrumentation, or ultrasonic instrumentation. | 11-03-2011 |
20120024049 | CLEANLINESS INSPECTION APPARATUS AND CLEANLINESS INSPECTION METHOD FOR OBJECT TO BE INSPECTED - An ultrasonic generator tank includes an ultrasonic generator contains a first liquid in which ultrasonic waves propagate. A particle extraction vessel contains a high-purity second liquid, such as ultrapure water, and an object to be inspected. A power unit is turned on to oscillate the ultrasonic generator. The particle extraction vessel, which contains the second liquid and the to-be-inspected object, is inserted into the first liquid from above the surface thereof after the lapse of a first time since the start of oscillation of the ultrasonic generator. As the particle extraction vessel is inserted into the first liquid, the ultrasonic generator continues to produce ultrasonic waves. The quantity of particles contained in the second liquid is measured after the lapse of a second time. | 02-02-2012 |
20120144905 | Methods and apparatus for treating samples with acoustic energy to form particles and particulates - The invention relates to a method of forming solid particles from a sample, which includes the step of exposing the sample to a focused acoustic field having an acoustic wave variable, until the solid particles achieve a desired state of particularization. The acoustic wave variable may be selected based, at least in part, on the desired state of particularization. The sample may be exposed to the focused acoustic field through a medium. | 06-14-2012 |
20120227473 | APPARATUS AND METHOD FOR VISUALIZATION OF PARTICLES SUSPENDED IN A FLUID AND FLUID FLOW PATTERNS USING ULTRASOUND - An apparatus and method for real-time visualization of particulate matter suspended in a static or flowing fluid and fluid flow patterns in a pipe, tube, conduit, or other container, are described. Ultrasonic scanning and detection of scattered sound from the particles in the fluid create a real-time image of the particles, or of flow patterns in the liquid. A mechanical wobbler directs a piezoelectric transducer over a chosen angle in an oscillatory manner. The transducer is operated in a pulse-echo mode wherein the same transducer detects the return signal from the target region through which particles are passing and/or a flow is present. The pulse-echo measurements are made rapidly and continuously during a single sweep of the transducer over the chosen angle. Received signals are processed in the ultrasound scanner electronics module and displayed as an image in real-time. | 09-13-2012 |
20120304749 | Particle Analysis in an Acoustic Cytometer - The present invention is a method and apparatus for acoustically manipulating one or more particles. | 12-06-2012 |
20130139575 | ACOUSTIC PARTICLE SORTING IN MICROFLUIDIC CHANNELS - A method for sensing and sorting single tiny particles in microfluidic channels may comprise subjecting the particles to ultrasound; detecting scattering of the ultrasound from these particles; and pushing or sorting these particles using ultrasound based on the scattered ultrasound that is detected. | 06-06-2013 |
20130247656 | DEVICE FOR USE IN INDUSTRIAL PROCESS ON-LINE DETERMINATION OF PARTICLE SIZE DISTRIBUTION, AND METHODS OF USE - A flow-through device for use on-line in a conduit and capable of determining real-time characteristics of particles dispersed in a medium is disclosed. The device uses a sensor and a flow-through cell. The sensor has a stationary transducer positioned in a wall of the flow-through conduit to emit sound waves into the medium and a reflector or a second stationary transducer positioned opposite the transducer. The sensor provides a plurality of different acoustic path lengths through the medium between the transducer and reflector, thereby providing a plurality of different acoustic path lengths in the sensor and no moving parts for the transducer and reflectors. A method for determining the characteristics of particles dispersed in a medium in real time for an industrial process using the flow-through device also is disclosed. Further, a method of controlling particle size distribution in real time in a process using the flow-through device is disclosed. | 09-26-2013 |
20130327130 | METHOD OF MANIPULATING OBJECTS - Systems, methods, and devices are provided for manipulating objects in a liquid using a pulsed acoustic field that is modulated in amplitude. The amplitude modulated pulsed acoustic field may form the objects into a layer or layers. The objects may be colloidal objects having an average size of about 50 nm to about 5 μm, or a mixture of colloidal and non-colloidal objects. | 12-12-2013 |
20140033808 | HIGH-EFFICIENCY SEPARATION AND MANIPULATION OF PARTICLES AND CELLS IN MICROFLUIDIC DEVICE USING SURFACE ACOUSTIC WAVES AT AN OBLIQUE ANGLE - An apparatus for manipulating particles within a fluid sample includes a substrate having a substrate surface. A surface acoustic wave (SAW) generator generates a SAW within a SAW region of the substrate surface. The SAW has an SAW direction aligned with a pressure node. A channel is configured to receive the fluid sample and the fluid sample has a flow direction which is at an oblique angle to the SAW direction. | 02-06-2014 |
20140047909 | SONIC FILTER FOR MEASURING AND CAPTURING PARTICLES HAVING A PARTICULAR PARTICLE SIZE IN A FLUID, MIXTURE OR PROCESS FLOW - Apparatus is provided featuring an acoustic driver and a transducer. The acoustic driver is configured to provide an acoustic driver signal having a frequency that can be adjusted to yield a given wavelength, which in turn, will selectively capture a particular particle size of particles in a fluid, mixture or process flow. The transducer is configured to respond to the acoustic driver signal and provide an acoustic signal having a standing wave at the frequency in order to yield the given wavelength that will selectively capture the particular particle size of the particles in the fluid, mixture or process flow, in order to determine the mass of the particles having the particular particle size in the fluid, mixture or process flow. | 02-20-2014 |
20140216142 | FOREIGN BODY INSPECTION IN FILLED CONTAINERS - An apparatus for inspecting filled containers for foreign bodies that may be contained therein, where the filled container is mechanically excited by vibration or rotation so as to cause the possibly existing foreign bodies to rotate. The acoustic signals produced by the foreign bodies impacting on the inner wall of the container are detected and analyzed. Any signal detection is separated from mechanical excitation, and mechanical excitation is separated from container transport in that the signal-detecting sensor is applied to the container only after the end of the mechanical excitation. The mechanical excitation is executed by an excitation element that is brought into contact with the container independently of the holding elements used for the purpose of transport. | 08-07-2014 |
20140238114 | DETERMINING CONSTITUENTS OF A WELLBORE FLUID - Techniques for determining a wellbore fluid constituent concentration include depositing a portion of a hydraulic fracturing fluid that includes a base fluid on a quartz crystal microbalance, the base fluid including a constituent; measuring an oscillation frequency of the quartz crystal microbalance based on the constituent of the base fluid; determining, with the quartz crystal microbalance, a mass of the constituent in the deposited portion of the hydraulic fracturing fluid; and based on at least one of the determined mass or the measured frequency, determining a concentration of the constituent of the base fluid. | 08-28-2014 |
20150362418 | ACOUSTIC IMPACT PARTICLE SIZE MEASUREMENT - Apparatus features a signal processor or processing module configured at least to: receive signaling containing information about acoustic emissions resulting from particles impacting a solid sensor element configured in a process pipe having a process fluid flowing therein, including a slurry; and determine particle sizes of solids in the process fluid, based at least partly on the signaling received. The signal processor module may also be configured to provide corresponding signaling containing information about the particle sizes of solids in the process fluid. | 12-17-2015 |
20190145938 | DEVICE AND METHOD FOR MEASURING AT LEAST ONE PARAMETER OF A TREATMENT FLUID IN A SURFACE TREATMENT SYSTEM | 05-16-2019 |