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| Number | Title | Issue Date |
| 7399338 | Method and apparatus for concentrating a solution In the present invention, a solution containing a target substance is atomized into a mist by ultrasonic oscillation in an ultrasonic atomization chamber, and the target substance is collected by aggregating the atomized mist in a collection chamber, whereby the tar... | 07/15/2008 |
| 7322431 | Advanced ultrasonic processor An ultrasonic processor for continuous processing of material is disclosed comprising an enclosed processor chamber (12) having opposed end wall (18) and (16) and an input (40) and an output (42) so that material to be processed ca... | 01/29/2008 |
| 7294171 | Method and apparatus for degassing coating liquid A method of degassing a coating liquid, comprising the step of: irradiating the coating liquid with a plurality of ultrasonic waves of different frequency bands simultaneously to degass said coating liquid. ... | 11/13/2007 |
| 7287537 | Megasonic probe energy director A megasonic cleaning apparatus configured to provide effective cleaning of a substrate without causing damage to the substrate is provided. The apparatus includes a megasonic probe, a transducer configured to energize the probe, and a heat transfer element disposed ... | 10/30/2007 |
| 7237581 | Apparatus and method of dispensing photosensitive solution in semiconductor device fabrication equipment A method of and apparatus for dispensing photosensitive solution substantially reduces the amount of air bubbles in the photosensitive solution during the dispensing operation. The photosensitive solution dispensing apparatus includes at least one supply vessel that... | 07/03/2007 |
| 7198724 | Apparatus for treating fluids with ultrasounds The present invention relates to a fluid processing apparatus for use in an elongate passage (10), the apparatus comprising one or more means for applying ultrasonic energy to fluid (16) within the passage (10) and means for constraining flow of... | 04/03/2007 |
| 7134617 | Droplets forming method and device for discharging constant-volume droplets The invention intends to prevent the occurrence of a phenomenon that air is sucked through an ejection port formed at a nozzle end when a plunger rod is retracted to move away from a valve seat. In a method or apparatus for ejecting liquid droplets in which a liquid... | 11/14/2006 |
| 7063794 | Water treatment apparatus A water treatment apparatus dissolving an oxidizer in wastewater at a fast speed and at a high efficiency to decompose substances at a high decomposition rate. The apparatus includes an ultraviolet radiation part having an elongated tubular configuration, and receiv... | 06/20/2006 |
| 7041154 | Acoustic fuel deoxygenation system A fuel system for an energy conversion device includes a deoxygenator system. A signal generator system includes a multiple of transducers located adjacent a fuel channel. The transducers are arranged to generate acoustic flow chaotization and cavitation-induced pha... | 05/09/2006 |
| 7014966 | Method and apparatus for elimination of bubbles in immersion medium in immersion lithography systems A method of operating an immersion lithography system, including steps of immersing at least a portion of a wafer to be exposed in an immersion medium, wherein the immersion medium comprises at least one bubble; directing an ultrasonic wave through at least a portio... | 03/21/2006 |
| 6959556 | Stirling refrigeration system A Stirling refrigeration system (1) comprises two Stirling refrigeration units (4a, 4b) incorporating respective working gas end (WGE) heat exchangers (35a, 35b) and radiators (65a, 65 | 11/01/2005 |
| 6911153 | Method and apparatus for treating fluid mixtures with ultrasonic energy A method and apparatus for treating mixtures with ultrasonic energy. In one embodiment, the mixture can include a selected constituent and the method can include directing a continuous flow of the mixture into a treatment apparatus and altering a phase and/or a chem... | 06/28/2005 |
| 6884281 | Method and apparatus for preparation and deaeration of coating liquid First, the overall quantity of bubbles in a coating liquid is reduced in advance by vacuum deaeration performed in conjunction with preparation of the coating liquid in a stirring tank in a first step, then bubbles of relatively large sizes, of bubbles that have not... | 04/26/2005 |
| 6872239 | Method and a system for separating a mixture A method for separating phases of a mixture comprising and oil-water together with gas. At least a substantial part of the gas is separated from the emulsion before the emulsion is introduced into a separator tank. The oil-water emulsion from which the gas has been ... | 03/29/2005 |
| 6866780 | Heated ultrasonic treating device and treating method for suspended matter-containing liquid A heated ultrasonic treating device (6) comprising a sump (13) through which suspended matter-containing liquid passes, a temperature-controllable heater (14) disposes in the sump (13), and a ultrasonic vibrator (15) disposed in th... | 03/15/2005 |
| 6726743 | Electrostatic deaeration method and apparatus This disclosure relates to a method for deaerating a liquid layer such as a coating solution using electrostatic forces. A flow of charged particles is created above and moved towards a low conductivity liquid layer. The flow of charged particles causes localized th... | 04/27/2004 |
| 6648943 | Integrated use of deaeration methods to reduce bubbles and liquid waste A method is taught for removing bubbles from a coating solution prior to a coating operation. The method comprises debubbling the coating solution in a tank open to atmosphere to remove bubbles having a diameter in the range of from about 200 to 300 μm a... | 11/18/2003 |
| 6620226 | Bubble elimination tube with acutely angled transducer horn assembly A debubbling apparatus for removing gaseous bubbles entrained in a liquid is taught which has improved dearation capacity. The debubbling apparatus includes a vessel including a liquid inlet, at least one well extending from the vessel, the at least one w... | 09/16/2003 |
| 6590000 | Defoaming of foams utilizing sonication The invention includes a method for defoaming aqueous or non-aqueous foams comprising placing a sonicator probe directly into said foam and thereafter sonicating said foam in pulse mode at a sonication energy of at least about 25 watts/cm2 for ... | 07/08/2003 |
| 6576042 | Process control method to increase deaeration capacity in an ECR by constant voltage operation A method is taught for debubbling a liquid composition containing entrained gas bubbles that increases the effectiveness of ultrasonic debubbling apparatus employed. The method comprises the steps of immersing an ultrasonic horn in water, the horn being c... | 06/10/2003 |
| 6530983 | System for the conduction of liquid media, as well as filtering device for use in such a system The invention relates to a system for the conduction of liquid media, for example fuels, between a tank and a delivery point, especially fuel consumption measuring systems or fuel conditioning systems, which includes a bubble-separating arrangement, as we... | 03/11/2003 |
| 6502471 | Electrical circuit for testing a transducer horn assembly A method and apparatus for evaluating the end cap round transducer horn assemblies used in debubbling operations wherein the ECR THA can be evaluated off-line at both high and low power and on-line by making electrical measurements on the ECR THA. The ele... | 01/07/2003 |
| 6402821 | Filter unit and solution treatment unit Nitrogen gas is blown into a developing solution tank, and a developing solution is supplied through a supply nozzle to the surface of a wafer, through a filter unit or the like, with the pressure. The filter unit has a ring-shaped flow path flowing from ... | 06/11/2002 |
| 6210470 | Ultrasonic gas separator Gas bubbles in a moving fluid are collected in a chamber alongside the conduit carrying the fluid. In a preferred embodiment, an ultrasonic transducer cooperates with a reflector to create a standing ultrasonic wave pattern that is oriented at an acute an... | 04/03/2001 |
| 6106590 | Method of ultrasonic waves degassing and device using the same In an apparatus for defoaming liquid with ultrasonic wave in order to eliminate foam or bubble from the liquid, provided with an ultrasonic wave liquid tank, a defoaming tank, and an ultrasonic oscillator for irradiating ultrasonic wave through the ultras... | 08/22/2000 |
| 6042635 | Method for wetting a filter element A method for wetting a filter element by a high viscosity liquid and an apparatus for practicing such method are provided. In the method, a sealable container that is equipped with a vibration device and is capable of holding a pressurized liquid therein ... | 03/28/2000 |
| 6029518 | Manipulation of liquids using phased array generation of acoustic radiation pressure A phased array of piezoelectric transducers is used to control and manipulate contained as well as uncontained fluids in space and earth applications. The transducers in the phased array are individually activated while being commonly controlled to produc... | 02/29/2000 |
| 5849064 | System and method for evenly suspending and circulating particles in a liquid A sample handling system provides an evenly-suspended, small volume, bubble-free sample to an analyzer such as a light scattering particle size analyzer. A flow of suspension is forced through an elongate channel below the surface of the liquid in the cha... | 12/15/1998 |
| 5834625 | Apparatus and method for debubbling a discrete sample of liquid Apparatus and method for removing bubbles from a discrete sample of a temperature-sensitive liquid, particularly a photographic emulsion. A container having a bottom and side walls defines a sample area containing the liquid to be sampled and is made of a... | 11/10/1998 |
| 5824136 | Process for the purification of a gas by scrubbing -- Venturi column for carrying out said process Gas which is contaminated with liquid and/or solid is purified using a vertically oriented Venturi column in conjunction with a sound field. At the throat of the Venturi column, a scrubbing liquid is atomized and injected in a direction substantially perp... | 10/20/1998 |
| 5795371 | Device and method for the sterilization of compressed air for medical use An apparatus and method for sterilizing air for medical uses applied to air compressors used in dentists' apparatuses. According to the invention, we use the heat of the air coming out from the air outlet provided on the head of the compressor, to reduce ... | 08/18/1998 |
| 5665141 | Ultrasonic treatment process A method of degassing utilizing a degassing faucet having a first portion which includes a liquid inlet with a first cross-sectional area and a liquid outlet with a second cross-sectional area smaller than the first cross-sectional area, the liquid outlet... | 09/09/1997 |
| 5519670 | Water hammer driven cavitation chamber A cavitation chamber is driven by a hydraulic driving system in which acoustic pulses are generated by repeated water hammers. In the driving system a liquid is pumped through a conduit. The flow of liquid through the conduit is periodically interrupted b... | 05/21/1996 |
| 5508975 | Apparatus for degassing liquids Rarefaction pulses are generated in a chamber containing a liquid to be degassed. The rarefaction pulses are generated by creating repeated water hammers in a conduit. The water hammers result in sudden high pressure pulses which deform a stiff springy, i... | 04/16/1996 |
| 5372634 | Sonic apparatus for degassing liquids There is presented a sonic apparatus for degassing liquids. The apparatus cludes a vessel for receiving and releasably retaining an open-top container and adapted to be closed with the container therein, transducer suspension structure positioned in the v... | 12/13/1994 |
| 5276376 | Variable frequency ultrasonic generator with constant power output A generator for driving an ultrasonic transducer for use in ultrasonic cleaning. The generator is based on a voltage controlled oscillator which drives an output circuit which includes the ultrasonic transducer. The output circuit has a resonant frequency... | 01/04/1994 |
| 5022899 | Sonic debubbler for liquids A fluid debubbler 10 for removing bubbles from fluids such as blood. The debubbler utilizes an ultrasonic transducer 22 to produce low power anisotropic sound waves at about the resonant frequencies of the bubbles to be removed. The sound waves impart a f... | 06/11/1991 |
| 4983189 | Methods and apparatus for moving and separating materials exhibiting different physical properties Methods and apparatus for controlling the movement of materials having different physical properties when one of the materials is a fluid. The invention does not rely on flocculation, sedimentation, centrifugation, the buoyancy of the materials, or any ot... | 01/08/1991 |
| 4935151 | Process and apparatus for degassing and filtering liquids In a process for degassing and filtering liquids, particularly coating emulsions, a feed stream (F) is subdivided into a process stream (N), which is fed continuously to a process use through a main filter (16), and a recycled fractional stream. The fract... | 06/19/1990 |
| 4759775 | Methods and apparatus for moving and separating materials exhibiting different physical properties Methods and apparatus for controlling the movement of materials having different physical properties when one of the materials is a fluid. The invention does not rely on flocculation, sedimentation, centrifugation, the buoyancy of the materials, or any ot... | 07/26/1988 |
