253 results about "Ultrasonic nebulizers" patented technology

An artificial cigarette, inhaler or other nebulizer device may include a housing, an air passage into the housing, a fog generator chamber within the housing connected to the air passage, a liquid source connected to the fog generating chamber, and a fog generator within the fog generating chamber for receiving liquid from the liquid source and creating an aerosol. The fog generator may be an ultrasonic nebulizer and / or a pneumatic nebulizer.

An artificial cigarette, inhaler or other nebulizer device may include a housing, an air passage into the housing, a fog generator chamber within the housing connected to the air passage, a liquid source connected to the fog generating chamber, and a fog generator within the fog generating chamber for receiving liquid from the liquid source and creating an aerosol. The fog generator may be an ultrasonic nebulizer and / or a pneumatic nebulizer.

Aerosol delivery systems and methods for delivering an agent to a patient are described herein. The present invention includes embodiments comprising an insulated receptacle connected to a body to hold a vial of an agent to be delivered to a patient. The vial is located in an inverted position within the receptacle and connected to the housing. One or more reusable thermal packs can be located on the inner sides of the receptacle, to maintain a selected temperature surrounding the vial. The agent is administered to a patient by placing a prong into one of the patient's orifices and then activating an aerosol delivery system. Such systems comprise jet aerosolization and pneumatic and ultrasonic nebulizers and preferably are portable.

An all-day domestic robot comprises a robot body, wherein the head of the top end of the robot body is provided with a camera and can emit light, electromagnetic wave sensors, infrared ray short sensors and CO2 and formaldehyde sensors are arranged in the front of and behind the robot body respectively, a smog sensor, a CO sensor, an infrared ray heat sensor, a dust sensor and a temperature and humidity sensor are arranged on the robot body left and right, and an ultrasonic nebulizer, a dehumidification cooler, an air purifier, a dust collector, a control circuit board, a touch display screen and a turning keyboard are arranged inside the robot body. The all-day domestic robot has the functions of dust collecting, dust removing, sweeping, disinfecting, organic-matter degrading, temperature and humidity sensing and regulating, detecting and cleaning of CO, CO2, formaldehyde and other poisonous gas, particulate matter sensing and removing, lighting, free travelling, action charging, infrared ray sensing, all-dimensional camera shooting, digital storage, language communication and the like, and the all-day domestic robot is controlled through an intelligent microcomputer, can perambulate indoor security and protection 24 hours, can conduct accurate identification, send site video and give an alarm when a fire disaster occurs and external articles invade, and is stable in performance, convenient to operate and high in work efficiency.

A nebulizer for atomizing a high-temperature liquid includes a truncated, conical concentrator that defines a vertex and that has a small-diameter end and a large-diameter end. The small-diameter end has a spherical-shaped, concave surface and the large-diameter end has a spherical-shaped, convex surface. A piezoelectric transducer has a spherical-shaped, concave surface that is attached to the convex surface of the concentrator. A cylindrical-shaped droplet manifold is positioned over the small-diameter end of the concentrator to create a liquid chamber in the manifold with the vertex inside the liquid chamber. A feeding tube introduces the high-temperature liquid into the liquid chamber until the surface of the liquid reaches the vertex. With an activation of the transducer, acoustic waves that have spherical wavefronts are launched away from the concave surface of the transducer. The concentrator propagates and directs the spherical wavefronts for convergence at the vertex to nebulize the liquid.

A nebulizer and a method for atomizing liquid are provided. The method includes directing liquid from a first chamber to a second chamber in a housing. The second chamber is configured to form standing pressure waves therein when the liquid therein is vibrated. The method further includes vibrating the liquid in the second chamber utilizing a piezo-electric device such that standing pressure waves are formed in the second chamber. The method further includes atomizing liquid in the second chamber as the liquid propagates through a meshed screen wherein the meshed screen is disposed a predetermined distance from the piezo-electric device at a high amplitude region of the standing pressure waves and within a focal region of the piezo-electric device.

An ultrasonic nebulizer for producing high-volume sub-micron droplets is disclosed. The ultrasonic nebulizer utilizes a 3 or 5 MHz frequency as an oscillation frequency for producing sub-micron droplets. The nebulizer can also use at least one piezoelectric ceramic oscillator for increasing the volume of the droplets. The ultrasonic nebulizer comprises an ac / dc converter, an oscillator circuit, an amplifying device, a nebulization chamber, and at least one piezoelectric ceramic oscillator. The ac / dc converter rectifies an ac current to a dc current. The oscillator circuit produces an oscillation signal with a frequency larger than or equal to 3 MHz. The amplifying device amplifies the oscillation signal. The nebulization chamber has a lower face for holding a liquid to be nebulized. At least one piezoelectric ceramic oscillator is formed on the lower face of the nebulization chamber and connected to the amplified signal providing an ultrasonic output to cause nebulization for producing high-volume sub-micron droplets.

An environmental chamber includes an ultrasonic nebulizer assembly for controlling the relative humidity within the chamber. The ultrasonic nebulizer assembly is connected in closed-loop fluid communication with an enclosed chamber of the environmental chamber and includes an ultrasonic nebulizer module to generate water vapor that is introduced into the enclosed chamber. The ultrasonic nebulizer module is constructed to be immersed in water within the ultrasonic nebulizer assembly and is readily replaceable by the user. A nebulizer hour timer is provided to monitor the length of time of the ultrasonic nebulizer is operating to provide a precise indication to the user of how much life is left in the ultrasonic nebulizer before it needs to be replaced.

A system and method for cooling air includes using a refrigerant cooling system and further using a refrigerant liquefaction subsystem or method that includes using a heat sink cooler (“pre-cooler”) to cool the heat sink coolant before it is used to cool the refrigerant in the condenser. One aspect of the refrigerant liquefaction subsystem may use a water mist, which may be prepared by atomizers, high pressure nozzles, piezo-electric ultrasonic nebulizers, or the like, to cool the heat sink coolant.

A method of applying a polymer coating uses a nebulized aerosol of solubilized polymer solution having high-viscosity droplets and low-viscosity droplets to form a textured antireflective surface. Air or other gas is used to direct the nebulized aerosol toward the surface of an object. In some embodiments, heated or dried air, such as from an air curtain, is used to promote the formation of high-viscosity droplets. In a particular embodiment, multiple ultrasonic nebulizers are used in combination with synchronized air jets to apply a uniform polymer coating onto a glass panel used in a large-format display system. Dye is optionally added to the solubilized polymer solution to provide a notch filter at 585 nm and / or infrared filter.

A method and apparatus for the sanitization, detoxification, disinfection, high level disinfection, or sterilization of both the interior and exterior surfaces of an object or plurality of objects, including those with lumens and / or channels of various sizes, within a closed space, or closed system of space, in addition to their surrounding atmosphere, and relates particularly, though not exclusively, to the generation of an aerosol including an anti-pathogen / toxin / fungal / sporicidal agent(s) or substance(s)(applied agent), or chemical neutralizing agent(s) or substance(s), by way of one or more ultrasonic nebulizer(s). However the applied agent used in the present invention may also be in the form of any gas, vapor, plasma, aerosol, or other form. The said apparatus and method also includes an option to incorporate and utilize a means to wash the object(s) or endoscope(s). More importantly, the present invention addresses an improvement to the current art, by a new method and apparatus for the application of a positive or negative air / gas pressure to the internal space, lumens, ducts, or channels, of an object or endoscope, in order to apply or administer applied agent, in the form of a gas, plasma, vapor, or aerosol to the surfaces within these locations as well as to the surfaces and areas that interface with the means to apply the positive or negative air / gas pressure to the object or endoscope. The present invention addresses the current problem of obtaining full sanitization, disinfection, high level disinfection, or sterilization, of both the interior and exterior surfaces and areas of an object or endoscope as well as the interfacing surfaces and areas between the applicator for the applied agent and the object or endoscope. The present invention will allow for the complete sanitization, disinfection, high level disinfection, or sterilization of objects in a simple chamber, or in more complex configurations that include, but are not limited to, glove box units, processors with built in interfaces for specialty applications such as endoscope reprocessing, and other application specific designs.

A nebulizer includes a piezoelectric transducer for aerosolizing a drug solution in a disposable cup module disposed above the transducer. Acoustic waves generated by the transducer propagate sequentially through transmitting medium, a first barrier, coupling medium, and a second barrier that forms part of the cup module, and into the interior of the cup module. The transducer at least partially comprises silver. The silver fluidly contacts the transmitting medium to discourage bacteria growth in the transmitting medium. The device includes electronics components that drive the transducer and measure an electrical characteristic associated with the transducer during operation. The electronics components measure changes in the electrical characteristic to determine when the drug solution level falls below a predetermined threshold, and deactivates the device accordingly.

The present invention related to an ultrasonic nebulizer apparatus and a method for adjusting an operation frequency and checking an operating state of the ultrasonic nebulizer apparatus. The apparatus according to the present invention comprises a current detecting element for actively detecting an electrical current passed through it early. By detecting the current to determine a resonance frequency and whether deviated from a predetermined normal range, the nebulizer apparatus according to the present invention can check the operating state and operate at the resonance frequency for increasing efficiency and saving power.

A pharmaceutical formulation to be administered by a medicament administration device, which can maintain high stability of a biological active substance, is provided. In preparing the pharmaceutical formulation to be administered via mucous membrane, particularly a pharmaceutical formulation to be inhaled by utilizing a jet nebulizer, an ultrasonic nebulizer, a metered dose inhaler, or a dry powder inhaler, the adoption of the step of contacting the biological active substance with liposomes or microspheres in an aqueous medium enables the substance to be highly stabilized.

A nebulizer includes a piezoelectric transducer for aerosolizing a drug solution in a disposable cup module disposed above the transducer. Acoustic waves generated by the transducer propagate sequentially through transmitting medium, a first barrier, coupling medium, and a second barrier that forms part of the cup module, and into the interior of the cup module. The transducer at least partially comprises silver. The silver fluidly contacts the transmitting medium to discourage bacteria growth in the transmitting medium. The device includes electronics components that drive the transducer and measure an electrical characteristic associated with the transducer during operation. The electronics components measure changes in the electrical characteristic to determine when the drug solution level falls below a predetermined threshold, and deactivates the device accordingly.

A method for preparing a perovskite oxide nanopowder by way of applying an ultrasonic nebulizer provides a narrow size distribution of spherical particles with minimum particle aggregation.

A dense or porous coating of material is deposited onto a substrate by forcing a colloidal suspension through an ultrasonic nebulizer and spraying a fine mist of particles in a carrier medium onto a sufficiently heated substrate. The spraying rate is essentially matched to the evaporation rate of the carrier liquid from the substrate to produce a coating that is uniformly distributed over the surface of the substrate. Following deposition to a sufficient coating thickness, a single sintering step may be used to produce a dense ceramic coating. Using this method, coatings ranging in thickness from about one to several hundred microns can be obtained. By using a plurality of compounds in the colloidal suspension, coatings of mixed composition can be obtained. By using a plurality of solutions and separate pumps and a single or multiple ultrasonic nebulizer(s), and varying the individual pumping rates and / or the concentrations of the solutions, a coating of mixed and discontinuously graded (e.g., stepped) or continuously graded layers may be obtained. This method is particularly useful for depositing ceramic coatings. Dense ceramic coating materials on porous substrates are useful in providing improved electrode performance in devices such as high power density solid oxide fuel cells. Dense ceramic coatings obtained by the invention are also useful for gas turbine blade coatings, sensors, steam electrolyzers, etc. The invention has general use in preparation of systems requiring durable and chemically resistant coatings, or coatings having other specific chemical or physical properties.

The invention provides an ultrasonic nebulizer comprising a circuit unit, a nebulization module, and a frequency sweeping unit. The invention utilizes the technique of maintaining constant electric power in the nebulization module of the ultrasonic nebulizer by automatic compensation of electric power consumption and / or current consumption. Using such a technique, the invention allows a fixed current consumption and electric power consumption of a nebulization module of an ultrasonic nebulizer by auto compensation, thereby improving nebulization performance.

The invention discloses a medical ultrasonic nebulizer. The nebulizer comprises a box body, an atomizing chamber and a buffer chamber are arranged inside the box body, the buffer chamber is located above the atomizing chamber, an atomizing channel communicated with the atomizing chamber is arranged on the bottom of the buffer chamber, a ultrasonic generator is arranged inside the atomizing chamber, a ultrasonic transducer is arranged above the ultrasonic generator, a dosing port is arranged on one side of the atomizing chamber, an air distributor is also arranged in the atomizing chamber, the air distributor is located above the ultrasonic generator, a fan is arranged outside the air distributor, an oxygen inlet is arranged in the buffer chamber, the oxygen inlet is connected through an oxygen inlet pipe with an oxygen steel cylinder, and a flow control valve is arranged above the oxygen inlet pipe. The medical ultrasonic nebulizer is simple in structure and convenient in operation, and can supply oxygen while atomizing the drug liquid, the status of the interior of the buffer chamber is monitored in real time and adjustments are made in time, so that when the nebulizer is working the stability is ensured.

A medicament delivery system comprises a nebulizer device, an open-faced mist chamber-defining element having a tubular input / output port, a tubular inhalation port connecting to the output port of the mist chamber-defining element, and a sealed unit dose ampoule adapted to fit within the mist chamber-defining element. The nebulizer device includes an ultrasonic transducer responsive to applied electrical energy to generate ultrasonic energy, an ultrasonic transmission horn between an input energy surface at an input end and an energy delivery surface at an output end. The sealed unit dose ampoule can be placed directly into the nebulizer device and acts as both the dose cup and baffle, so that the chance of spillage of drug and the number of components to be cleaned are minimized. The unit dose ampoule has a conical base to allow ultrasonic energy conducted from the ultrasonic system to be concentrated at the base of the ampoule. The inhalation port includes an inhalation valve and an exhalation valve.

The invention discloses a method to manufacture vanadium pentexide ultrasonic spraying that includes the following steps: ultrasonic, drying the acetone, methanol, and deionized water; dissolving ammonium metavanadate ammonia into 1wt%-25wt% ammonia solution, to make ammonium metavanadate water solution, stewing and filtering; using ultrasonic nebulizer to make the ammonium metavanadate into spraying particle, sparying on the 150-650 degree centigrade hot underlay, depositing for 10s-30min, the condensation rate is 1ml / min-20ml / min, gas velocity flow 0.05 cubic meter per hour-2 cubic meter per min, the ultrasonic wave frequency is 1.3-2.5 MHz. The invention is low cost, wide range selective underlay, easy to operate.

The invention discloses a plant wall intelligent control system and a plant wall intelligent control method. The system comprises a master control board and a display board both arranged in a control center, a water path, a temperature sensor, a humidity sensor, a fan, an ozone generator, a negative-ion generator, an aromatherapy material, a supplementary lighting lamp, a humidifier and a ultrasonic nebulizer all arranged on a plant intelligent wall water getting point, and a water pool and a liquid fertilizer pool both arranged at a water supply point. The master control board is electrically connected with a RTC (Real-Time Clock) timing circuit, an LED (Light-emitting Diode), a FLASH and a buzzer through a communication line; the master control board is also connected with the display board through a serial communication interface, and the display board is respectively in electrical connections with a key group, a liquid crystal screen, the LED, an infrared unit and the buzzer through the communication line. The invention provides the plant wall intelligent control system and the plant wall intelligent control method, which combine automatic intelligent control with manual control and integrate the remote monitoring and remote modification on equipment parameters and the near-end monitoring together, and have the advantages of being accurate in control, reducing equipment cost and management cost, and so on.