| Entries |
| Document | Title | Date |
|---|
| 20080210773 | Fuel Injection Device for Internal Combustion Engine - A fuel injection device for an internal combustion engine. The fuel injection device includes an injecting head integral with an end of a needle mobile in translation inside an injection housing supplied with high pressure fuel and having a seat for the injecting head, and a piezoelectric or magnetoresistive vibratory element capable, when energized, to act on the needle, maintained by a return spring, to cause the needle to vibrate, such that the injecting head co-operates with its seat to periodically open and close a passage for fuel injection. A controller controls movement of the needle in translation, countering the return spring, independent of the vibratory element. | 09-04-2008 |
| 20080217430 | VOLATILE LIQUID DROPLET DISPENSER DEVICE - A volatile liquid droplet dispenser device includes: a first substrate ( | 09-11-2008 |
| 20080217431 | Spraying device for a fixing composition - The present disclosure relates to a spraying device for a cosmetic composition comprising a container having inner space comprising a liquid cosmetic composition and provided with a spraying mechanism comprising:
| 09-11-2008 |
| 20080223953 | Mist Generator and Mist Emission Rendering Apparatus - [OBJECTS AND PROBLEMS] Relating to a mist generator capable of emitting any of chemical substances used in life, such as perfumes, pharmaceuticals and pesticides, in the form of fog or vapor. An object of the invention is to attain means for efficiently atomizing liquid, means for easily and rapidly switching the type of chemical substance emitted and a compact apparatus of good maintainability. [MEANS FOR SOLVING PROBLEMS] An apparatus comprises an ultrasonic transducer; an ultrasonic propagation medium disposed so as to fill a plane of vibration of the transducer; liquid retaining means disposed so as to be in contact with an end face of the medium; and an ultrasonic focusing reflecting mechanism (concave reflection mirror) disposed in an ultrasonic propagation path, thereby the apparatus attains discharging into air and atomization of the liquid by means of ultrasonic waves. Atomization efficiency is enhanced by the use of an ultrasonic reflection tube, and mist emission is carried out. Use is made of a compact liquid container equipped at its bottom with an ultrasonic transmission membrane. Various types of liquids can be atomized by changing the direction of ultrasonic course. Mist can be emitted by means of a thermal current as heating means. IC tag is attached to the liquid retaining means or liquid injection means. | 09-18-2008 |
| 20080237366 | CONTROL SYSTEM AND METHOD FOR OPERATING AN ULTRASONIC LIQUID DELIVERY DEVICE - In a control system and method for operating an ultrasonic liquid delivery device, an ultrasonic waveguide, separate from the housing, is disposed at least in part within an internal chamber of the housing to ultrasonically energize liquid prior to the liquid being exhausted from the housing through an exhaust port. An excitation device is operable to ultrasonically excite the waveguide and a control system controls operation of the liquid delivery device between an excitation mode in which the excitation device is operated at an excitation frequency to excite the ultrasonic waveguide and a ring down mode in which the excitation device is inoperable to excite the waveguide such that the waveguide rings down. The control system monitors the ring down and is responsive to the ring down to adjust the excitation frequency of the excitation device in the excitation mode thereof. | 10-02-2008 |
| 20080237367 | ULTRASONIC LIQUID DELIVERY DEVICE - An ultrasonic liquid delivery device including a housing having an internal chamber and at least one exhaust port communicating with the internal chamber. An ultrasonic waveguide in the internal chamber ultrasonically energizes liquid within the chamber prior to the liquid being exhausted through the exhaust port. The waveguide includes a valve member movable relative to the housing between a closed position closing the exhaust port, and an open position. An excitation device is operable in the open position of the valve member to ultrasonically excite the ultrasonic waveguide to atomize liquid exiting the exhaust port. | 10-02-2008 |
| 20080245892 | Decay prevention structure of a heat dissipating board of a humidifier - A humidifier includes a water storage tank for storing water, a working tank, a piezoelectric crystal, a filtering unit, and a heat dissipating board; the filtering unit is positioned in the storage tank for filtering water before water is sent from the water storage tank into the working tank; the piezoelectric crystal will vibrate so as to produce ultrasonic waves to break water contained in the working tank into molecules, which will dissolve in air immediately; the heat dissipating board is interposed between an upper side of the piezoelectric crystal and water contained in the working tank so as to be in touch with the water; the heat dissipating board has a decay-prevention stainless steel layer joined to an upper side thereof therefore it is prevented from decaying and rusting. | 10-09-2008 |
| 20080265056 | Ultrasonic spray apparatus to coat a substrate - Field is ejected from a surface of an apparatus. The apparatus comprises a.) a power supply operating at a frequency; b.) a transducer, which upon being applied the power is made to vibrate with a first amplitude; c.) a vibrating nozzle, comprising the surface, which is acoustically coupled to the transducer, to transmit the transducer vibration to the surface with a second amplitude; and, d.) a control unit to control the power supply applied to the transducer. The fluid is delivered to the surface of the nozzle. During this time the control unit cycles the power applied to the transducer at the frequency between a low power level and a high power level. The fluid is ejected from the surface when the high power level (i.e., first power level) is applied to the transducer but not when the low power level (i.e., second power level) is applied to the transducer. | 10-30-2008 |
| 20080272204 | ULTRASONIC FUEL INJECTOR - A fuel injector for delivering fuel to an engine in which a housing of the injector has an internal fuel chamber and at least one exhaust port in fluid communication with the fuel chamber. A valve member is moveable relative to the housing between a closed position in which fuel within the fuel chamber is inhibited against exhaustion from the housing, and an open position in which fuel is exhaustable from the housing. An ultrasonic waveguide is separate from the housing and valve member. The ultrasonic waveguide is elongate and has longitudinally opposite ends. The waveguide further has a first waveguide segment and a second waveguide segment. The first and second segments are disposed entirely within the fuel chamber of the housing. An excitation device is operable in the open position of the valve member to ultrasonically excite the ultrasonic waveguide. | 11-06-2008 |
| 20080277495 | Piezoelectric spraying system and corresponding refill - A piezoelectric spraying system may include a case defining at least one housing to receive at least one removable refill. The removable refill may include at least one reservoir configured to contain a product to be sprayed, at least a portion of at least one piezoelectric sprayer device, and at least one product supply system for the piezoelectric sprayer device. The piezoelectric spraying system may further include an electric motor so as to activate the product supply system of the removable refill, and a controller configured to control one or more operations associated with the motor and the piezoelectric sprayer device. | 11-13-2008 |
| 20080290189 | ULTRASONIC FOG GENERATOR - An ultrasonic fog generator including a container including therein an ultrasonic nebulizer and a liquid, the ultrasonic nebulizer operative to vibrate at very high frequencies and thereby break down the liquid into a fog including tiny vapor particles, the container having an exit opening for the fog to pass therethrough, and a driver and a driving fluid, the driver being operative to cause the driving fluid to flow past the exit opening and draw out the fog through the exit opening without the driving fluid substantially entering the container. | 11-27-2008 |
| 20090001194 | JETS DEVICE - A jet device is provided in the present invention. The jet device includes a chamber having a nozzle and a lateral channel, wherein the lateral channel is disposed along the outer side of a first side of the chamber, the nozzle is disposed at one end of the lateral channel and the chamber is connected with the lateral channel via the nozzle which is connected with the external space, wherein the fluid is filled in the chamber, the nozzle and the later channel and an arc and a block are disposed at the connection of the nozzle and the lateral channel; and a piston disposed at a second side of the chamber. | 01-01-2009 |
| 20090014551 | ULTRASOUND PUMPING APPARATUS - The present invention relates to an apparatus utilizing ultrasonic vibrations to force movement of protrusions to spray a fluid. The apparatus includes a horn with an internal chamber. Within the internal chamber of the horn are protrusions extending from a wall of the chamber. When the horn is vibrated, a fluid is expelled from the horn by the oscillation of the protrusions. Fluid to be expelled from the horn enters the internal chamber of the horn through at least one channel passing through a wall of the horn and leading into the chamber. After passing through the horn's internal chamber, the fluid exits the horn by passing through a channel originating in the front wall of the chamber and ending at the horn's radiation surface. A transducer may be connected to the horn's proximal end to generate ultrasonic vibrations throughout the length of the horn. | 01-15-2009 |
| 20090032612 | HIGH-FREQUENCY SPRAYING DEVICE - A high-frequency spray device is provided that is suitable for applying a coating fluid onto a substrate. The spray device can include an atomizing arrangement, a movable substrate holder, a gas supply, and one or more temperature control elements. The atomizing arrangement can include a resonance body which may have a trumpet-like shape and which can be excited to produce high-frequency vibrations that may provide a spray mist jet of the coating fluid. The spray device can further include a field arrangement capable of generating an electric and/or magnetic field in the region containing the substrate which may influence the deposition of the spray mist jet on the substrate. The spray device may also include a suction arrangement that can affect the shape of the spray jet mist and/or withdraw a portion of the spray jet mist. | 02-05-2009 |
| 20090039177 | Spray device for a hair shine composition - The present disclosure relates to a spraying device for a cosmetic composition comprising a container provided with a spraying mechanism comprising:
| 02-12-2009 |
| 20090045267 | Method of operating a fuel injector - A method for operating an injection valve, in particular a fuel injector of an internal combustion engine, in which a trigger voltage is able to be applied to an actuator, designed as piezoelectric element, of the fuel injector in order to induce an injection of fluid, in particular fuel, supplied to the fuel injector via a supply system. A specifiable test voltage is applied to the actuator in a test triggering, and a fluid pressure prevailing in the supply system is detected at least during the test triggering in order to derive information about an operating state of the fuel injector and/or the actuator from the test voltage and the detected fluid pressure. | 02-19-2009 |
| 20090057438 | Ultrasonically activated fuel injector needle - A fuel injector intended for use on an internal combustion engine contains an injector needle that is longitudinally driven by an ultrasonic actuator during the time the injector valve is open to provide an atomized fuel spray output of sub-micron droplet sizes. A piezoelectric disk stack is mounted within the injector housing to surround a portion of the injector needle component and is used to provide the mechanical ultrasonic stimulation to the injector valve at the end of the injector needle and set up a corresponding wave-front at the injector valve to atomize the fuel as it leaves the injector nozzle. | 03-05-2009 |
| 20090078787 | JET DISPENSER COMPRISING MAGNETOSTRICTIVE ACTUATOR - A jet dispenser is provided with a giant magnetostrictive actuator which expands or contracts in response to electric currents. A set of flexural elements is coupled to first and second ends of the giant magnetostrictive actuator and flexes when the giant magnetostrictive actuator expands or contracts. The jet dispenser further comprises a chamber containing fluid and the fluid is dispensable through a nozzle which is in communication with the chamber. A piston coupled to the set of flexural elements is slidably located in the chamber and is actuable by flexion of the flexural elements to apply a force against the fluid for dispensing fluid through the nozzle. | 03-26-2009 |
| 20090084867 | LIQUID DROPLET PLUG AND SPRAY SYSTEM - The present invention concerns a liquid droplet spray system for atomising a liquid substance, comprising: a support having a central aperture ( | 04-02-2009 |
| 20090134240 | Method of making piezoelectrically actuated device - A method of making a piezoelectrically actuated device includes the steps of compressing a piezoelectric element toward a compression state which is based on a target preload for the piezoelectric element, and elastically deforming a casing for the piezoelectric element toward a spring state which is also based on the target preload for the piezoelectric element. The method further includes plastically deforming the casing about the subassembly when the piezoelectric element and the casing are at their respective compression state and spring state to set a preload of the piezoelectric element at the target preload | 05-28-2009 |
| 20090140072 | Piezoelectric actuator with multi-function spring and device using same - A piezoelectrically actuated device includes a body, a valve disposed within the body and an actuator for the valve, the actuator including a casing coupled with the body and a piezoelectric element disposed within the casing. The actuator further includes a multi-function spring applying a preloading force to the piezoelectric element. The multi-function spring includes a first segment having a piston configured to translate a motion of the piezoelectric element during operation of the actuator, a second segment having at least one flexural element and a third segment having a first set of threads. The first set of threads is engaged with a second set of threads of the actuator and maintains the second segment in a tension state which corresponds with the preloading force. | 06-04-2009 |
| 20090159720 | Sandwich Piezoelectric Ceramic Ultrasonic Atomizer - A sandwich piezoelectric ceramic ultrasonic atomizer has two piezoelectric ceramic plates ( | 06-25-2009 |
| 20090184176 | FUEL INJECTOR AND OPERATING METHOD THEREFOR - A method of operating a fuel injector having a piezoelectric actuator for controlling movement of an injector valve needle comprises: (a) prior to an initial fuel injection event, reducing the voltage across the actuator at an initial rate so as to de-energise the actuator; (b) increasing the voltage across the actuator at a first rate in order to initiate an initial fuel injection event of a first fuel injection sequence; and (c) reducing the voltage across the actuator at a second rate in order to terminate the initial fuel injection event. The method may further comprise the step of: (d) increasing the voltage across the actuator at a third rate, which is lower than the first rate, so as to de-energise the actuator but without initiating an injection event, once the initial fuel injection event has terminated and before a subsequent fuel injection event is initiated. The method can be employed particularly to improve actuator lifespan, operating efficiency and/or performance in an energize to inject fuel injector. | 07-23-2009 |
| 20090200396 | MECHANICAL AND ULTRASOUND ATOMIZATION AND MIXING SYSTEM - An ultrasound apparatus capable of mixing and/or atomizing fluids is disclosed. The apparatus includes a horn having an internal chamber, containing at least one free member, through which fluids to be atomized and/or mixed flow. Connected to the horn's proximal end, a transducer powered by a generator induces ultrasonic vibrations within the horn. Traveling down the horn from the transducer, the ultrasonic vibrations induce the release of ultrasonic energy into the fluids to be atomized and/or mixed as they travel through the internal chamber. As the ultrasonic vibrations travel through the chamber, the fluids within the chamber are agitated and/or begin to cavitate, while the free member moves about the chamber, thereby mixing the fluids. Upon reaching the front wall of the chamber, the ultrasonic vibrations echo off the front wall and pass through the fluids within the chamber a second time, further mixing the fluids. | 08-13-2009 |
| 20090200397 | APPARATUS FOR ATOMISATION AND LIQUID FILTRATION - The invention relates generally to a mesh type apparatus for liquid atomising and filtration, for example, of the atomiser having a concave ultrasonic transducer, which also forms a part of the liquid container ( | 08-13-2009 |
| 20090200398 | SPRAY HEAD INCLUDING A SONOTRODE WITH A COMPOSITION FEED CHANNEL PASSING THERETHROUGH - A spray head for spraying a cosmetic or dermatological composition, in particular for application to the human body, may include a sonotrode for transmitting ultrasound vibration from a transducer to an ejection surface for ejecting particles of composition, the sonotrode including a channel for feeding the composition to the ejection surface. The channel may present a narrow portion between a composition inlet into the sonotrode and the composition outlet to the ejection surface. | 08-13-2009 |
| 20090206174 | DEVICE FOR SPRAYING A COSMETIC COMPOSITION - The present invention relates to a cosmetic assembly comprising a cosmetic or dermatological composition contained in a reservoir, the said composition being liquid and comprising, in a physiologically acceptable medium, at least 10% by weight of water and at least one water-soluble coloring agent; and a device for spraying a cosmetic composition, comprising a container containing the said liquid cosmetic composition, equipped with a piezoelectric spraying mechanism for spraying the cosmetic composition in the form of droplets. | 08-20-2009 |
| 20090212127 | FUEL INJECTOR WITH SINGLE CRYSTAL PIEZOELECTRIC ACTUATOR STACK - One embodiment includes a piezoelectric fuel injector using single crystal piezoelectric materials to improve the capabilities and performance of fuel injectors using a piezoelectric material stack. Another embodiment includes a fuel injector with a single crystal piezoelectric actuator stack that exceeds one or more of the capabilities (e.g., stroke, force, bandwidth, size) of the standard piezoceramic actuator stacks designed for the common rail fuel injector systems. Yet another embodiment includes an actuator stack made from single crystal piezoelectric material. | 08-27-2009 |
| 20090230211 | PEROVSKITE OXIDE, PROCESS FOR PRODUCING THE PEROVSKITE OXIDE, AND PIEZOELECTRIC DEVICE - A process for producing a piezoelectric oxide having a composition (Ba, Bi, A)(Ti, Fe, M)O | 09-17-2009 |
| 20090236441 | Fuel injector having piezoelectric actuator with preload control element and method - A fuel injector includes a piezoelectric actuator subassembly having a casing and a piezoelectric element disposed within the casing. The piezoelectric element has an operating temperature range and includes a thermally contractive material having a negative thermal expansion coefficient over a second temperature range overlapping with the operating temperature range. A preload control element is coupled with the piezoelectric element and includes a thermally expansive material having a positive thermal expansion coefficient over the second temperature range. The preload control element maintains a constant preload on the piezoelectric element over a wide temperature range to inhibit temperature induced variability in operation, and can axially lengthen in opposition to axial shortening of the piezoelectric element, responsive to a temperature increase. | 09-24-2009 |
| 20090242660 | MEDICAL LIQUID DROPLET APPARATUS - The present invention provides a medical liquid droplet apparatus, which comprises a driving base and a polymeric film. The driving base is capable of providing a vibrating energy. The polymeric film, having a plurality of tiny openings formed thereon, is disposed on the driving base for receiving the vibrating energy so as to generating liquid droplet. By means of the present invention, the embrittled problem due to the high frequency vibration occurred in the conventional nebulizing film or malfunction due to the chemical eroding of the conventional vibrating film can be avoided. | 10-01-2009 |
| 20090242661 | NOZZLE PLATE OF A SPRAY APPARATUS AND FABRICATION METHOD THEREOF - A nozzle plate for use with a spray apparatus and a fabrication method thereof are provided. The nozzle plate has a plurality of orifices each including an inlet end and an outlet end. The inlet end and the outlet end have a geometrical structure with mirror symmetry and a centroid with positional deviation from a pattern center. The pattern center is the center of an imaginary circle circumscribed about the geometrical structure. The geometrical structure controls the propagation direction of liquid spray, expands the nebulizing range per unit density of orifices, enables product miniaturization, and saves energy. | 10-01-2009 |
| 20090242662 | LIQUID NEBULIZATION SYSTEM - Disclosed is a liquid nebulization system comprising a power supply unit, a signal generating unit, a liquid storage unit and a nebulizing unit. The signal generating unit receives power from the power supply unit to generate a main signal and at least an auxiliary signal, wherein the main signal and the auxiliary signal are added together to constructively and destructively interfere with one another to form a driving signal, further causing the nebulizing unit to nebulize the liquid contained in the liquid storage unit using the driving signal. | 10-01-2009 |
| 20090242663 | MEDICAL LIQUID DROPLET APPARATUS - The present invention provides a medical liquid droplet apparatus, which comprises a driving base and a polymeric film. The driving base is capable of providing a vibrating energy. The polymeric film, having a plurality of tiny openings formed thereon, is disposed on the driving base for receiving the vibrating energy so as to generating liquid droplet. By means of the present invention, the embrittled problem due to the high frequency vibration occurred in the conventional nebulizing film or malfunction due to the chemical eroding of the conventional vibrating film can be avoided. | 10-01-2009 |
| 20090272818 | HIGH VOLUME ATOMIZER FOR COMMON CONSUMER SPRAY PRODUCTS - A high volume piezoelectric atomizer for use with common consumer spray products is disclosed. The piezoelectric atomizer may include an actuator, a substrate and a supply of a liquid product to be dispensed. The substrate may include a plurality of tapered perforations in direct contact with the supply of a liquid product. A control circuit vibrates the actuator, substrate and its tapered perforations against the supply at velocities of at least 500 mm/s. Droplets are dispensed at a delivery rate of approximately 0.2 g/s resulting in plumes of at least 2 feet in length resulting in a Valpey factor of at least 51.0. | 11-05-2009 |
| 20090294550 | FUEL INJECTOR CONTROL - A method for controlling the displacement of a stack of a piezoelectric actuator adapted for use in a fuel injector in order to control the fuel injection rate and volume. The method comprises driving a varying current through the stack during an opening phase including a first opening stage and a second opening stage; driving the stack during the first opening stage with a first opening current level for a first opening time period and driving the stack during the second opening stage with a second opening current level for a second opening time period. The second opening current level is less than the first opening current level and the current levels are selected so that the fuel injection rate in the opening phase includes a first portion corresponding to the first opening stage having a gradient that is steeper than a second portion corresponding to the second opening stage. | 12-03-2009 |
| 20090308948 | Ultrasonic Waterjet Apparatus - An ultrasonic waterjet apparatus ( | 12-17-2009 |
| 20090314854 | Device for dispersing liquid active materials in particulate form comprising a sintered liquid conductor - One embodiment of the present invention provides a device for generating particles comprising: a perforated plate comprising at least one orifice; an electromechanical transducer operably connected to said perforated plate or an optional base plate; a liquid source comprising: a liquid reservoir; and a liquid conductor in fluid communication with said perforated plate and in fluid communication with said liquid reservoir, said liquid conductor comprising at least one open cell composition and at least one stiff-wick composition, wherein said compositions are affixed to one another by sintering. | 12-24-2009 |
| 20100001094 | APPARATUS AND METHOD FOR COOLING A FUEL INJECTOR INCLUDING A PIEZOELECTRIC ELEMENT - A fuel injector including a nozzle portion and an electrically actuated valve assembly configured to control a flow of fuel to the nozzle portion. The electrically actuated valve assembly may include a piezoelectric element and a biasing member. The fuel injector also may include a housing with at least a portion of the electrically actuated valve assembly disposed in the housing. The housing may define a cavity between the piezoelectric element and the housing. A thermally conductive material may be disposed at least partially within the cavity and may be configured to transfer heat from the piezoelectric element to the housing. | 01-07-2010 |
| 20100001095 | Liquid Discharge Device - A liquid discharge device ( | 01-07-2010 |
| 20100001096 | MICRO-PUMP AND MICRO-PUMP SYSTEM - A micro-pump for atomizing and including a main-housing, a nozzle plate, at least an actuator, and a liquid transport pipe is provided. The main-housing has a liquid inlet, a liquid outlet, an air inlet, and a micro-droplet outlet. The nozzle plate is assembled to the main-housing and has at least one nozzle. The nozzle plate divides the interior of the main-housing into a first chamber and a second chamber. The nozzle and the liquid inlet are connected with the first chamber. The air inlet, the liquid outlet, and the micro-droplet outlet are connected with the second chamber. The actuator is disposed on at least one of the main-housing or the nozzle plate. The actuator drives the nozzle plate, so that liquid is filled into the first chamber and sprayed out through the nozzle into the second chamber. The liquid transport pipe connects the liquid inlet and the liquid outlet. | 01-07-2010 |
| 20100012747 | REFILL FOR A SPRAY APPLIANCE - The present invention relates to a refill for a spray device for spraying at least one scented substance, the refill comprising: a reservoir of elongate shape along a longitudinal axis; and a transporter element for transporting the substance by capillarity, the element being of a shape with a bend, being in contact with the substance in the reservoir and having a dispenser end for dispensing the substance, said end being oriented transversally relative to the longitudinal axis. | 01-21-2010 |
| 20100044459 | Advanced High Performance Vertical Hybrid Synthetic Jet Actuator - The present invention comprises a high performance, vertical, zero-net mass-flux, synthetic jet actuator for active control of viscous, separated flow on subsonic and supersonic vehicles. The present invention is a vertical piezoelectric hybrid zero-net mass-flux actuator, in which all the walls of the chamber are electrically controlled synergistically to reduce or enlarge the volume of the synthetic jet actuator chamber in three dimensions simultaneously and to reduce or enlarge the diameter of orifice of the synthetic jet actuator simultaneously with the reduction or enlargement of the volume of the chamber. The jet velocity and mass flow rate for the present invention will be several times higher than conventional piezoelectric synthetic jet actuators. | 02-25-2010 |
| 20100044460 | ULTRASOUND LIQUID ATOMIZER - The invention relates to an ultrasound liquid atomiser comprising: a rigid piezoelectric transducer body ( | 02-25-2010 |
| 20100051717 | ULTRASONIC ATOMIZER - An ultrasonic atomizer includes a container, a separating membrane and an ultrasonic oscillator. The container defines an inner chamber therein. The separating membrane is disposed in the inner chamber. The separating membrane partitions the inner chamber into a bottom chamber and a top chamber, the bottom chamber is filled with a noncorrosive liquid. The ultrasonic oscillator is received in the bottom chamber and submerged in the liquid. | 03-04-2010 |
| 20100072299 | NEBULIZATION APPARATUS WITH A PACKAGING AND FIXING STRUCTURE - A nebulization apparatus with a packaging and fixing structure includes a piezoelectric driving device, an adhesive agent, a nebulization plate, a packaging layer and a fixing base. A ditch at the piezoelectric driving device is provided for filling an adhesive agent and installing the nebulization plate that is fixed to the driving device by the adhesive agent. The packaging layer covers the piezoelectric driving device. The fixing base fixes the piezoelectric driving device. Preferably, the packaging layer is made of a polymer material for insulating moisture and preventing short circuits of the piezoelectric driving device. The ditch and the adhesive agent enhance the attaching strength of the piezoelectric driving device and the nebulization plate to extend the life of the nebulization apparatus, and the adhesive agent can electrically insulate the nebulization plate and the piezoelectric driving device, such that the nebulization plate will have no electrochemical action with the liquid. | 03-25-2010 |
| 20100084488 | ALTERNATING CURRENT POWERED DELIVERY SYSTEM - An air treatment device having a piezoelectric actuator powered by a transformer. The transformer has dual inputs comprising oppositely wound coils and input power signals 180 degrees out of phase. This arrangement provides a stronger drive signal to the actuator. | 04-08-2010 |
| 20100090023 | Method and Apparatus for Optimizing Aerosol Generation with Ultrasonic Transducers - The invention is an apparatus and methods for optimizing the performance and protecting one or more aerosol generating transducers from deterioration while operating in a chemically reactive aqueous solution by utilizing one or more protective barrier techniques to eliminate chemical interaction between the aqueous solution and the transducers. The method of the present invention produces an aerosol producing transducer with the transducer housing and assembly to be constructed in such a way as to assure its efficient and effective long-term and problem free operation in an aqueous solution that is chemically reactive. | 04-15-2010 |
| 20100155502 | METHOD OF GENERATION OF PRESSURE PULSATIONS AND APPARATUS FOR IMPLEMENTATION OF THIS METHOD - An acoustic generator of pressure pulsations includes a cylindrical waveguide which is caused to vibrate at a low amplitude by an electromechanical transducer. The vibration of the cylindrical waveguide creates low amplitude pressure pulsations in an acoustic chamber containing stationary pressure fluid. A mechanical amplifier, which is part of the acoustic chamber, amplifies the low amplitude pressure pulsations generated by the cylindrical waveguide. | 06-24-2010 |
| 20100187329 | FLUID INJECTION DEVICE - A fluid injection device having a main injection axis and including at least: a housing; an actuator axially mounted in the housing and including a stack with two axially opposed front faces and including at least one electro-active portion with an electro-active material; and a pre-stressing mechanism adapted for at least partially pre-stressing the stack. The pre-stressing mechanism includes at least a tightening clamp outside the stack and provided between the stack and the housing. | 07-29-2010 |
| 20100213274 | Microdroplet Generation Apparatus - A microdroplet generation apparatus comprises an oscillation plate, a connection plate, a nozzle disc and a bonding material, wherein the nozzle disc is interposed between the oscillation plate and connection plate, and wherein the oscillation plate, connection plate and nozzle disc are joined with the bonding material. The oscillation plate and the connection plate respectively have a first through-hole and a second through-hole corresponding to each other. The nozzle disc has injection holes on the area corresponding to the first and second through-holes. The nozzle disc has via-holes on the area not corresponding to the first through-hole and the second through-hole. The bonding material passes through the via-holes of the nozzle disc to join the oscillation plate and the connection plate and fasten the nozzle disc to between the oscillation plate and the connection plate. Thus, vibration energy can be effectively transmitted from the vibration plate to the nozzle disc. | 08-26-2010 |
| 20100213275 | TARGET SUPPLY APPARATUS, CONTROL SYSTEM, CONTROL APPARATUS AND CONTROL CIRCUIT THEREOF - A target supply apparatus includes a tank for storing a liquid target material, a nozzle for outputting the liquid target material in the tank, and a gas supply source for supplying gas into the tank, and controls a gas pressure inside the tank with a pressure of the gas supplied from the gas supply source which is provided with a pressure regulator. The target supply apparatus also includes a pressure-decrease gas passage of which one end is connected to the tank and the other end forms an exhaust port, a pressure-decrease valve provided on the pressure-decrease gas passage, and a controller for controlling open/close of the pressure-decrease valve. The controller, when the target material is caused not to output from the nozzle, opens the pressure-decrease valve and decreases the pressure inside the tank. | 08-26-2010 |
| 20100264234 | LIQUID ATOMISER WITH PIEZOELECTRIC VIBRATION DEVICE HAVING AN IMPROVED ELECTRONIC CONTROL CIRCUIT, AND ACTIVATION METHOD THEREOF - A liquid atomiser ( | 10-21-2010 |
| 20100276510 | Multi-Layer Piezoelectric Element, Ejection Apparatus Using the Same and Fuel Ejection System - To provide a multi-layer piezoelectric element which is easy to be fabricated and which exhibits excellent durability, even when it is driven continuously for a long time under high electric field and high pressure. | 11-04-2010 |
| 20100276511 | Multi-Layer Piezoelectric Element, and Ejection Apparatus and Fuel Ejection System That Employ the Same - A multi-layer piezoelectric element having high durability of which amount of displacement is suppressed from varying even when operated continuously over a long period of time with a higher electric field under a high pressure is provided. | 11-04-2010 |
| 20100288849 | Multi-Layer Piezoelectric Element, and Ejection Apparatus and Fuel Ejection System That Employ the Same - A multi-layer piezoelectric element having high durability of which amount of displacement is suppressed from varying even when operated continuously over a long period of time with a higher electric field under a high pressure is provided. | 11-18-2010 |
| 20100294853 | Multi-Layer Piezoelectric Element, Ejection Device Having the Element, and Fuel Ejection System - Provided is a multi-layer piezoelectric element in which the amount of the positional displacement can be suppressed even when continuous driving is performed for a long time under high electrical field and high pressure, and which may have a good durability. The laminated piezoelectric element comprises a stacked body in which piezoelectric layers and metal layers are stacked alternately one on another. The metal layers comprise internal electrodes and a low-rigidity metal layer which has rigidity lower than those of the piezoelectric layer and the internal electrode. The low-rigidity metal layer comprises a plurality of metal parts isolated from each other via voids, and a covering layer which covers at least a part of the metal parts. | 11-25-2010 |
| 20100308132 | NEBULISING DEVICE FOR LIQUID SUBSTANCES - A nebulising element for liquid substances for coupling to procurement elements, includes at least one membrane with a microperforated area; at least one piezoelectric element connected to an electronic circuit and coupled to the membrane to cause it to vibrate; at least one first and one second support that can be placed on top of one another and create, on their interior a compartment to contain the membrane, the piezoelectric element, and a space of limited dimension for the liquid to be nebulised, created beneath the membrane. The second support has an opening for the nebulised liquid outlet, located in correspondence with the perforated area of the membrane. The nebulising element also includes at least one collector for the liquid that flows from the porous element to the collector itself by capillary action; at least one capillary opening to allow in the liquid to be nebulised and at least one outlet opening to aid air circulation. | 12-09-2010 |
| 20100320283 | MULTI-LAYER PIEZOELECTRIC ELEMENT, METHOD FOR MANUFACTURING THE SAME, INJECTION APPARATUS AND FUEL INJECTION SYSTEM - A multi-layer piezoelectric element that has high durability with capability to operable continuously under higher voltage and higher pressure over a long period of time, a method for manufacturing the same, an injection apparatus and a fuel injection system are provided. | 12-23-2010 |
| 20100320284 | LAMINATE PIEZOELECTRIC ELEMENT, AND INJECTION DEVICE HAVING THE ELEMENT, AND FUEL INJECTION SYSTEM - This aims to provide a multi-layer piezoelectric element, which is made excellent in durability and suppressed in the reduction of a displacement degree, even if the element is largely displaced or driven at a high speed, and an injection device and a fuel injection system using the element. The multi-layer piezoelectric element comprises a stacked body comprising a plurality of ceramic layers and a plurality of internal electrode layers, each of the plurality of internal electrode layers being sandwiched between ceramic layers of the plurality of ceramic layers that are located opposite to each other. The plurality of ceramic layers comprises a plurality of piezoelectric layers, and a low-rigidity ceramic layer which has a rigidity lower than that of the plurality of piezoelectric layers and that of the plurality of internal electrode layers. The low-rigidity ceramic layer comprises a plurality of ceramic portions which are apart from each other via a void, and a covering layer which covers at least a part of an outer surface of the plurality of ceramic portions. | 12-23-2010 |
| 20110089256 | FLUID EJECTION APPARATUS - A fluid ejection apparatus ejecting fluid from an ejection port, includes: a suction port provided at a position apart from the ejection port and applied with a negative pressure; and a fluid channel provided between the vicinity of the ejection port and the suction port, and configured to suck the fluid in the vicinity of the ejection port by the surface tension of the fluid and move the same toward the suction port. | 04-21-2011 |
| 20110114750 | PIEZOELECTRIC SPRAYING SYSTEM AND CORRESPONDING REFILL - A piezoelectric spraying system may include a case defining at least one housing to receive at least one removable refill. The removable refill may include at least one reservoir configured to contain a product to be sprayed, at least a portion of at least one piezoelectric sprayer device, and at least one product supply system for the piezoelectric sprayer device. The piezoelectric spraying system may further include an electric motor so as to activate the product supply system of the removable refill, and a controller configured to control one or more operations associated with the motor and the piezoelectric sprayer device. | 05-19-2011 |
| 20110121095 | FLUID FEED SYSTEM IMPROVEMENTS - A fluid spray dispenser ( | 05-26-2011 |
| 20110121096 | PIEZOELECTRIC DEVICE, PIEZOELECTRIC DEVICE MANUFACTURING METHOD, AND LIQUID DISCHARGE APPARATUS - A piezoelectric device, including the following on a substrate in the order listed below: a lower electrode, a piezoelectric film which contains a Pb containing perovskite oxide represented by a general expression (P) below, and an upper electrode, in which the piezoelectric film has a layer of pyrochlore oxide on the surface facing the lower electrode, and the average layer thickness of the pyrochlore oxide layer is not greater than 20 nm. | 05-26-2011 |
| 20110139893 | LOW FREQUENCY SYNTHETIC JET ACTUATOR AND METHOD OF MANUFACTURING THEREOF - A system and method for lowering the structural natural frequency of a synthetic jet actuator is disclosed. A synthetic jet actuator is provided that includes a first plate, a second plate spaced apart from the first plate and arranged parallelly thereto, and a spacer element configured to space the first plate apart from the second plate and define a chamber along with the first and second plates. The spacer element includes at least one orifice formed therein such that the chamber is in fluid communication with an environment external to the chamber, and the spacer element is constructed to deform in a bending motion in response to a deflection of at least one of the first and second plates. | 06-16-2011 |
| 20110147483 | Compartmentalization of Fluid Ejector Device - A fluid ejection apparatus includes a substrate having a plurality of fluid passages for fluid flow and a plurality of nozzles fluidically connected to the fluid passages, a plurality of actuators positioned on top of the substrate to cause fluid in the plurality of fluid passages to be ejected from the plurality of nozzles, a housing component with a descending portion that projects down to the substrate, an integrated circuit chip supported on the substrate, a potting barrier secured to the housing component and positioned between the integrated circuit chip and the actuators, and a potting material between the integrated circuit chip and the barrier. | 06-23-2011 |
| 20110155822 | Multi-Layer Piezoelectric Element, Method for Manufacturing Multi-Layer Piezoelectric Element, Injection Device, and Fuel Injection System - Provided is a multi-layer piezoelectric element wherein durability is improved by effectively suppressing short-circuiting between adjacent internal electrode layers in an edge portion of a stacked body. A multi-layer piezoelectric element includes a prismatic stacked body wherein piezoelectric layers and internal electrode layers are alternately laminated, wherein the stacked body includes a chamfered portion formed by grinding a ridge portion of a side peripheral surface thereof, and a linear grinding trace on the chamfered portion extends in a direction along the internal electrode layers. | 06-30-2011 |
| 20110163181 | FILM FORMATION METHOD, FILM FORMATION DEVICE, PIEZOELECTRIC FILM, PIEZOELECTRIC DEVICE AND LIQUID DISCHARGE DEVICE - When a film containing constituent elements of a target is formed on a substrate through a vapor deposition technique using plasma with placing the substrate and the target to face each other, film formation is carried out with controlling variation of plasma potential Vs (V) in a plasma space in an in-plane direction of the substrate to be within ±10V at a distance of 2-3 cm from a surface of the target toward the substrate. | 07-07-2011 |
| 20110168804 | FLUID FEED SYSTEM IMPROVEMENTS - A fluid spray dispenser ( | 07-14-2011 |
| 20110168805 | ATOMIZATION STRUCTURE AND MANUFACTURING METHOD THEREOF - The present invention discloses an atomization structure comprising a carrier, a cover plate, a piezoelectric driving device and an atomization piece. The carrier includes at least one first support portion, the cover plate comprises at least one second support portion, and the carrier is covered by the plate covers. The piezoelectric driving device is disposed between the carrier and the cover plate, the atomization piece is clamped by one end of the piezoelectric driving device. The actuating effect of the piezoelectric driving device would not be absorbed but kept by point contacting the first support portions and the second support portions to clamp and support the piezoelectric driving device. | 07-14-2011 |
| 20110168806 | Multi-Layer Piezoelectric Element, and Injection Device and Fuel Injection System Using the Same - Provided is a multi-layer piezoelectric element having excellent durability wherein a conductive member is not peeled off from an external electrode even when the element is continuously driven for a prolonged period of time under high electric field and high pressure. A multi-layer piezoelectric element includes a stacked body wherein piezoelectric layers and internal electrode layers are alternately laminated, and an external electrode which is joined to a side face of the stacked body and electrically connected to the internal electrode layers, and the external electrode includes a plurality of open voids in a surface thereof. Due to the open voids, a joining strength of a conductive member to the external electrode is improved, thereby preventing peel-off of the conductive member. In addition, since heat dissipation characteristics are improved, it is possible to prevent the external electrode from being thermally fractured due to generation of heat. | 07-14-2011 |
| 20110168807 | Removing Piezoelectric Material Using Electromagnetic Radiation - Electromagnetic radiation is transmitted through a piezoelectric material and is absorbed in at least an adhesive that bonds the piezoelectric material to another material. Absorbing the electromagnetic radiation in the adhesive ablates the adhesive and the ablation of the adhesive acts to remove the piezoelectric material. | 07-14-2011 |
| 20110180622 | SPRAY GENERATOR - A spray generator ( | 07-28-2011 |
| 20110180623 | Multi-Layer Piezoelectric Element, Injection Device, and Fuel Injection System - Provided is a multi-layer piezoelectric element capable of achieving a high response speed and an increase in the displacement amount, ensuring sufficient mechanical strength, and suppressing deterioration of characteristics. A multi-layer piezoelectric element ( | 07-28-2011 |
| 20110192914 | SURFACE ACOUSTIC WAVE ATOMIZER - There is provided a surface acoustic wave atomizer which can guide a liquid to an atomizing area on a substrate surface stably at a constant quantity per unit time and can limit a distribution of the liquid on the substrate surface, so that a stable and efficient atomization and a deterioration control of an interdigital transducer and so on can be achieved with a simple configuration. The surface acoustic wave atomizer includes a piezoelectric substrate which has a pattern electrode on a surface and a liquid supply member for supplying a liquid to the surface and atomizes the liquid supplied to the surface by surface acoustic wave, and between the liquid supply member and the surface of the piezoelectric substrate, a small gap is provided in an area which is designed to hold and guide the liquid and a large gap is provided in an area which is not designed to supply the liquid, so that the liquid is supplied to an atomizing area in an area away from the pattern electrode in the surface of the piezoelectric substrate by using a difference in surface tension due to sizes of the gaps. The liquid can be supplied stably by the small gap and a distribution of the liquid can be limited by the large gap. | 08-11-2011 |
| 20110204160 | ULTRASONIC ATOMIZATION CIRCUIT AND AN ATOMIZATION DEVICE USING THE SAME - An ultrasonic atomization circuit comprises a driving signal generating unit to generate an ultrasonic driving signal, a power unit to amplify and transmit the ultrasonic driving signal to a piezoelectric ceramic lamination, and a buffering unit connecting to the driving signal generating unit and the power unit to reduce the effect by the load of the power unit to the driving signal generating unit. The present invention is directed to provide an atomization device using the above ultrasonic atomization circuit. For the ultrasonic atomization circuit being disposed between the power unit and the driving signal generating unit, the ultrasonic atomization circuit can reduce the effect by the disperse circuits and reactance to the driving signal generating unit, meanwhile need less units and be easy to test. | 08-25-2011 |
| 20110220734 | LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - A liquid ejecting head includes a plate which is composed of a material containing silicon, a titanium oxide layer which is disposed above the plate, a bismuth-containing layer which is disposed above the titanium oxide layer and contains bismuth, a first electrode which is disposed above the bismuth-containing layer and composed of platinum, a piezoelectric layer which is disposed above the first electrode and composed of a piezoelectric material containing at least bismuth, and a second electrode which is disposed above the piezoelectric layer. | 09-15-2011 |
| 20110226869 | MECHANICAL AND ULTRASOUND ATOMIZATION AND MIXING SYSTEM - An ultrasound apparatus capable of mixing and/or atomizing fluids is disclosed. The apparatus includes a horn having an internal chamber, containing a plurality free members, through which fluids to be atomized and/or mixed flow. Connected to the horn's proximal end, a transducer powered by a generator induces ultrasonic vibrations within the horn. Traveling down the horn from the transducer, the ultrasonic vibrations induce the release of ultrasonic energy into the fluids to be atomized and/or mixed as they travel through the internal chamber. As the ultrasonic vibrations travel through the chamber, the fluids within the chamber are agitated and/or begin to cavitate, while the free member moves abollt the chamber, thereby mixing the fluids. Upon reaching the front wall of the chamber, the ultrasonic vibrations echo off the front wall and pass through the fluids within the chamber a second time, further mixing the fluids. | 09-22-2011 |
| 20110233302 | NEBULIZING ASSEMBLY - A nebulizing assembly includes a base having a centered through hole; an nebulizing plate disposed on the base, the nebulizing plate having a radially outer area formed as a gluing section provided with a plurality of glue holes and a central area formed as a spraying section corresponding to the through hole on the base; and a piezoelectric driving element stacked on a top of the nebulizing plate and attached to the gluing section, and having a centered mist outlet. A glue layer is applied over the gluing section to fill up all the glue holes and can provide an extremely high bonding force when becoming dried to thereby firmly bond the nebulizing plate between the base and the piezoelectric driving element. The mist outlet and the through hole on the base have the same diameter to enable minimized resistance applied the whole structure to the nebulizing plate. | 09-29-2011 |
| 20110248096 | NEBULIZING APPARATUS - The present invention discloses a nebulizing apparatus comprising an outer housing, a reservoir, a nebulizing unit, a chassis, a control unit and a power supply unit. The reservoir is disposed in the accommodation space of the outer housing and provided for storing a solution. The nebulizing unit is disposed in the reservoir for nebulizing the solution stored in the reservoir to generate a plurality of nebulized particles. The chassis is disposed between the reservoir and the outer housing. The control unit is disposed on the chassis and electrically connected to the nebulizing unit for controlling the vibration frequency required by the nebulizing unit to nebulize the solution. The power supply unit is disposed on the chassis and connected with the control unit, and provides the required power and electronic signals to the nebulizing unit through the control unit. | 10-13-2011 |
| 20110284656 | Amazing Member and Atomizer Including the Same - An atomizing member that includes a piezoelectric vibrator and a vibrating membrane. The piezoelectric vibrator includes a cylindrical piezoelectric body, a first electrode disposed on an inner circumferential surface of the piezoelectric body, and a second electrode disposed on an outer circumferential surface of the piezoelectric body. The piezoelectric vibrator performs cylindrical breathing vibration. The vibrating membrane is disposed on an opening at a first side in an axial direction of the piezoelectric body so as to cover the opening. The vibrating membrane has a through hole in its central portion. | 11-24-2011 |
| 20110284657 | DROP GENERATOR - A method for making an electromechanical device including forming an electromechanical transducer that includes a deposited metallic diaphragm, and attaching the electromechanical transducer to a fluid channel substructure. | 11-24-2011 |
| 20110290911 | Device for Emitting Volatile Compositions While Reducing Surface Deposition and Improving Scent Noticeability - A device for emitting volatile compositions comprising a capillary element, a channel in fluid communication with the capillary element, an emitting orifice having a forward tilt from about +5 degrees to less than about +90 degrees, and a decoupled piezoelectric actuator for emitting the volatile composition through the emitting orifice. In some embodiments, the device is a plug-in air freshener and reduces surface deposition and improves scent noticeability through improved containment of perfumes during the rest period. | 12-01-2011 |
| 20110303762 | PIEZOELECTRIC FOAMING PUMP - A piezoelectric foaming pump is provided herein. The piezoelectric foaming pump includes a housing having a first opening for receiving a liquid from a liquid container and a piezoelectric element secured to the housing. The piezoelectric element includes a plurality of holes there through. In addition, the housing includes an air inlet. Although the piezoelectric element has holes there through, prior to activating the piezoelectric element, liquid does not pass through the plurality of holes. When the piezoelectric element is energized, liquid passes through the plurality of holes due to the rapid vibration of the piezoelectric element and is dispensed as a foam. Additionally, a piezoelectric foaming pump having a fluid pump chamber; an air pump chamber; a mixing chamber; a piezoelectric element; and an outlet nozzle is disclosed herein. During operation, fluid pumped from the fluid chamber mixes with air pumped from an air chamber in the mixing chamber and the resulting mixture is passed through the piezoelectric element and dispensed out of a nozzle. | 12-15-2011 |
| 20110315786 | Atomizing Unit and Atomizer Including the Same - An atomizer that includes an atomizing unit having a piezoelectric vibrator, an elastic film, and a first liquid feeder. The piezoelectric vibrator includes a vibrating film and a piezoelectric body. An atomization region in the center of the vibrating film has through holes. The vibrating film is mounted on the piezoelectric body. The piezoelectric body causes the vibrating film to vibrate. The elastic film is disposed to face the atomization region. The elastic film is directly or indirectly secured to the piezoelectric vibrator. The first liquid feeder is supported by the elastic film so as to face the atomization region of the vibrating film with a gap interposed therebetween. The first liquid feeder feeds a liquid to the atomization region. | 12-29-2011 |
| 20120000990 | DIRECTLY-ACTUATED PIEZOELECTRIC FUEL INJECTOR WITH VARIABLE FLOW CONTROL - A fuel injector apparatus comprising a piezoelectric driving stack and injector assembly wherein a flow control member of the fuel injector apparatus is driven directly by the piezoelectric stack without additional amplification means or interposing elements while the flow area of the nozzle portion is variably adjustable to deliver controlled flow rates in a desired flow profile to improve engine performance and reduce emissions. The injector configuration is adapted to support required flow rates with minimal linear movement of the flow control member. | 01-05-2012 |
| 20120091224 | Microdroplet Generation Apparatus - A microdroplet generation apparatus comprises an oscillation plate having a first through-hole, a connection plate having a second through-hole corresponding to the first through-hole, a nozzle disc fixed to the connection plate and having a plurality of tiny injection holes on a region thereof corresponding to the first and second through-holes, and a bonding material joining together the oscillation plate and the connection plate. The connection plate has at least one side wall corresponding to and joined with a side wall of the contour or the first through-hole of the oscillation plate. The side walls of the connection plate increase the joined area of the connection plate, whereby is enhanced the joining strength of the connection plate and the oscillation plate, and whereby the connection plate can effectively conduct the vibration energy of the radial and longitudinal Rayleigh waves to the nozzle disc, and whereby is improved liquid atomization. | 04-19-2012 |
| 20120111970 | Aerosol Generator - An aerosol generator has a vibratable plate with apertures therein and an annular piezo which causes movement of the vibratable plate. An annular support member supports the piezo and the vibratable plate. A first electrical power conducting pin engages directly with a first, top, surface of the piezo. A second electrical power conducting pin indirectly conducts electrical power to a second surface of the piezo, by contacting an extension tab of the support member, also on its top side. There is a film of cured epoxy adhesive on the tab, providing excellent gripping force between the pin and the support. The aerosol generator avoids need for soldered joints for electrical contact, and the pins are conveniently mounted parallel to each on the on the same lateral and top side of the piezo and support member. The pins may have multi-point tips for particularly effective electrical contact. | 05-10-2012 |
| 20120138704 | Heat Resistant Piezo Bimorph Synthetic Jet Apparatus - A heat resistant piezo bimorph synthetic jet apparatus comprises a working fluid chamber partially defined by a plate, a working fluid port that provides fluid flow communication between the working fluid chamber and a working fluid mass, and a bimorph piezoelectric structure included in the plate. The bimorph piezoelectric structure alternately increases and decreases chamber volume by alternately expanding convexly and concavely in response to application of voltage of alternating polarity to alternately draw working fluid into and expel working fluid from the working fluid chamber through the working fluid port. A thermal insulating layer is disposed between the working fluid chamber and the bimorph piezoelectric structure to protect a ceramic layer within the first bimorph piezoelectric structure from high temperature working fluid. | 06-07-2012 |
| 20120153041 | Fluidic micro-generator of synthetic jets - Generator ( | 06-21-2012 |
| 20120187211 | MULTI-LAYER PIEZOELECTRIC ELEMENT, AND INJECTION DEVICE AND FUEL INJECTION SYSTEM USING THE SAME - A multi-layer piezoelectric element includes a stacked body in which piezoelectric layers and internal electrode layers are alternately laminated and a stress relaxing layer is disposed at part of portions between the piezoelectric layers, and an external electrode that is bonded to a side face of the stacked body so as to make electrical connection with the internal electrode layers, the internal electrode layers being not exposed on the side face of the stacked body, but the stress relaxing layer being exposed on the side face of the stacked body. | 07-26-2012 |
| 20120187212 | MULTI-LAYER PIEZOELECTRIC ELEMENT, AND INJECTION DEVICE AND FUEL INJECTION SYSTEM USING SAME - A multi-layer piezoelectric element includes a stacked body in which piezoelectric layers and internal electrode layers are alternately laminated in such a way that an end face of each of the internal electrode layers is partly exposed at a side face of the stacked body; and a pair of external electrodes configured to bond to side faces of the stacked body so as to make connection with the internal electrode layers, wherein a multiplicity of voids exists in the internal electrode layers, and the end face of each of the internal electrode layers partly exposed at the side face of the stacked body is substantially free from the voids. | 07-26-2012 |
| 20120187213 | MULTI-LAYER PIEZOELECTRIC ELEMENT, AND INJECTION DEVICE AND FUEL INJECTION SYSTEM PROVIDED THEREWITH - A center of a multi-layer piezoelectric element is an active region and deforms to a greater degree than ends thereof which is an inactive region during driving operation, and is therefore more susceptible to stress concentration and crack development. To address this problem, a multi-layer piezoelectric element includes a columnar stacked body in which piezoelectric layers and internal electrode layers are alternately laminated, and a pair of external electrodes configured to bond to side faces of the columnar stacked body, wherein a side face of the columnar stacked body is configured so that a surface roughness of a center of the side face in a stacked direction of the columnar stacked body is greater than those of ends of the side face in the stacked direction of the columnar stacked body. This makes it possible to relax the stress exerted on the side face of the columnar stacked body, and thereby enhance the durability of the multi-layer piezoelectric element. | 07-26-2012 |
| 20120199666 | TRANSDUCER INTERCONNECT WITH CONDUCTIVE FILMS - An electronic device has an electronic signal source electrically connected to a signal routing circuit, an electrically activated transducer to receive electronic signals through the signal routing circuit, and an anisotropic conductive film to provide electrical continuity between the signal routing circuit and the transducer, the anisotropic conductive film having material removed adjacent the transducer to reduce mechanical loading of the transducer. | 08-09-2012 |
| 20120228401 | MULTI-LAYER PIEZOELECTRIC ELEMENT, AND INJECTION DEVICE AND FUEL INJECTION SYSTEM USING THE SAME - A multi-layer piezoelectric element includes a columnar stacked body including an active portion including piezoelectric layers and internal electrode layers alternately laminated, and inactive portions including piezoelectric layers laminated, the inactive portions arranged at both ends in a stacked direction of the active portion; and a pair of external electrodes arranged on side faces of the columnar stacked body, the pair of external electrodes electrically connected to the internal electrode layers alternately. In at least one interlayer portion of the inactive portions, there are metal particles having a particle size smaller than that of piezoelectric ceramic particles forming the piezoelectric layers of the inactive portions, and the metal particles are scattered in a range including a region in which the internal electrode layers overlap each other when viewed in the stacked direction of the columnar stacked body. | 09-13-2012 |
| 20120280057 | MULTI-LAYER PIEZOELECTRIC ELEMENT, AND INJECTION DEVICE AND FUEL INJECTION SYSTEM USING THE SAME - A multi-layer piezoelectric element includes a stacked body including piezoelectric layers and internal electrode layers, which are alternately stacked; an external electrode layer attached to a side surface of the stacked body, the external electrode layer being elongated in a stacking direction of the stacked body and electrically connected with ends of the internal electrode layers which are exposed on the side surface; and an external electrode plate bonded to the external electrode layer therealong by an electrically conducting bonding material. The external electrode plate is provided with slits which extend from opposite long sides toward a center thereof in such a manner that tips of the respective slits overlap each other when viewed in the stacking direction of the stacked body, and a portion thereof where the tips of the respective slits overlap each other is provided with a hole extending along an extension direction of the slit. | 11-08-2012 |
| 20120305665 | PIEZOELECTRIC ELEMENT, LIQUID EJECTING HEAD, AND LIQUID EJECTING APPARATUS - A piezoelectric element comprises a piezoelectric film which comprises perovskite type crystals at least including Pb, Ti, and Zr, and an electrode which is provided to the piezoelectric film. A diffraction peak position (2θ) of X-rays derived from a (100) plane of the piezoelectric film is from 21.89 to 21.97, and a half-peak width (2θ) of a (200) plane is from 0.30 to 0.50. | 12-06-2012 |
| 20120305666 | High Pressure Piezoelectric Fuel Injector - A combined injector and fuel pump suitable for high pressure direct injection of heavy fuels into Diesel engines, in particular small light weight Diesel engines. The injector utilizes a piezoelectric actuator driving a piston assembly comprising an inlet reed check valve disposed thereon. The piston may house an injection needle valve component spring loaded against the piston on one end of the needle component and a valve seat on the other end of the needle component. Fuel enters an inlet port coupled to an inlet passage within the piston. Piezoelectric actuator contraction transfers fuel from the inlet passage through the reed valve to a pressurization chamber. Piezoelectric actuator expansion drives the piston to pressurize the fuel in the pressurization chamber, which forces open the needle valve and nozzle assembly, injecting a finely atomized mist of fuel into a cylinder. A poppet injection valve embodiment is described. | 12-06-2012 |
| 20130020403 | Synthetic Jet Apparatus - A synthetic jet apparatus including a series of generally parallel spaced-apart bimorph piezoelectric plates defining first and second sets of fluid chambers. The chambers of the second set of fluid chambers are interleaved with the chambers of the first set of fluid chambers. The first and second sets of fluid chambers are in fluid communication with sources of first and second fluids, respectively, the source of the first fluid being separate from the source of the second fluid. The bimorph plates are operable to alternately draw the first fluid from its source into the first set of fluid chambers while expelling the second fluid from the second set of fluid chambers, and then expel the first fluid from the first set of fluid chambers back into its source while drawing the second fluid from its source into the second set of fluid chambers. | 01-24-2013 |
| 20130056552 | Dispenser, and refill - A dispenser capable of dispensing a fluid via a vertically-oriented piezo device comprises a reservoir containing a fluid to be dispensed, an outlet at a base portion of the reservoir, leading to a dispensing port that comprises a piezo element drivable to vibrate and thereby dispense fluid from the dispensing port, a bleed tube communicating at one end with the dispensing port, extending therefrom to a location above the dispensing port, and including a selectively closeable valve, and a source of below-atmospheric pressure to the portion of the reservoir above the fluid. Embodiments of refills suitable for such a dispensing apparatus are also described. | 03-07-2013 |
| 20130105594 | PIEZOELECTRIC MECHANISM HAVING ELECTRODES WITHIN THIN FILM SHEET THAT ARE SUBSTANTIALLY PERPENDICULAR TO SUBSTRATE | 05-02-2013 |
| 20130112771 | PORTABLE ELECTRIC MIST SUPPLY APPARATUS FOR LIQUID COSMETICS - A portable electric mist supply apparatus for liquid cosmetics is disclosed. Liquid cosmetics such as cosmetic water or the like are stored in a storing container which is detachably engaged, and the stored liquid cosmetics is discharged by a certain amount when in use, in a form of mist particles with the aid of a ultrasonic vibrator. | 05-09-2013 |
| 20130119151 | AEROSOL GENERATOR ASSEMBLY - An aerosol generator assembly comprising a vibratable piezo ceramic body ( | 05-16-2013 |
| 20130126637 | ATOMIZER WITH LIQUID SUPPLEMENT CONTAINER - In an atomizer with a liquid supplement container, the atomizer includes a casing and an atomization device covered by the casing, and the container is filled with a supplementary liquid and has a seal disposed at an opening of the container for easy storage and carry. The casing further includes at least one installing slot, and a seal destruction structure installed in the installing slot, and the installing slot is coupled with the atomization device. When the container is installed in the installing slot, the seal destruction structure destruct the seal to allow the supplementary liquid to flow into the installing slot for the atomization by the atomization device, so as to improve the convenience of use, prevent the supplementary liquid from contaminating the casing or causing failure of the atomization device. | 05-23-2013 |
| 20130153678 | Drive Device for an Injection Valve, and Injection Valve - A drive device for an injection valve may include an actuator configured for exerting a force along a first force action axis, a lever device coupled to the actuator, an output element coupled to the lever device and configured for absorbing a force from the lever device along a second force action axis, wherein the first and second force action axes are arranged offset with respect to one another, and a transmission element arranged between the actuator and the lever device. The transmission element may be coupled to the actuator in a first contact region and to the lever device in a second contact region. The first contact region of the transmission element may be arranged such that it is penetrated by the first force action axis. The second contact region of the transmission element may be arranged such that it is penetrated by the second force action axis. | 06-20-2013 |
| 20130168465 | Multilayer Piezoelectric Element and Injector Using the Same - A multilayer piezoelectric element includes a plurality of piezoelectric layers and a plurality of metal layers stacked alternately. The plurality of metal layers include a plurality of low-filled metal layers having a lower filling rate of metal composing the metal layers than oppositely disposed metal layers adjacent to each other in a stacking direction. The plurality of metal layers may include a plurality of thin metal layers having a smaller thickness than oppositely disposed metal layers adjacent to each other in a stacking direction. Where the plurality of metal layers are composed mainly of an alloy, the plurality of metal layers may include a plurality of high-ratio metal layers having a higher ratio of a component constituting the alloy than oppositely disposed metal layers adjacent to each other in a stacking direction. | 07-04-2013 |
| 20130175356 | Liquid-Metering Device for a Gas Analyzer - A liquid-metering device comprising a droplet generator including a reservoir and, connected to the latter, a displacement space which is modifiable by an electromechanical transducer and which has an outlet opening and, upon excitation of the transducer, shoots a liquid droplet from a cold area into a heatable area through or counter to a gas stream generated by a gas source. To make the device suitable for automatic and quasi-continuous liquid metering in process analysis, a heatable evaporation chamber is provided through which the liquid to be metered flows via valves, and, between the evaporation chamber and the reservoir, a condensate chamber is connected via further valves. The condensate chamber and the reservoir are connected via additional valves and a pressure regulator to the gas source. | 07-11-2013 |
| 20130193227 | LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - A liquid ejecting head includes a substrate in which pressure generation chambers that communicate with corresponding nozzle openings are formed, and piezoelectric elements having a piezoelectric material layer, a first electrode formed on the side of the substrate that faces the piezoelectric material layer, and second electrodes formed on the opposite side of the piezoelectric material layer as the side on which the first electrode is formed; the piezoelectric material layer is formed upon the entirety of the first electrode. The second electrodes are formed in correspondence with respective pressure generation chambers, and the second electrodes are formed separated from each other by regions on the piezoelectric material layer formed in a continuous manner. | 08-01-2013 |
| 20130200175 | FLUID EJECTION DEVICE - A fluid ejection device includes a flexible membrane, an adhesive layer, a piezoelectric material layer, and first and second electrically conductive layers. The adhesive layer and the piezoelectric material layer include edge regions and central regions. A surface of the edge region of the piezoelectric material layer is coplanar with a surface of the edge region of the adhesive layer. The first electrically conductive layer is between the piezoelectric material layer and the adhesive layer such that a surface of the first electrically conductive layer is coplanar with the surface of the edge region of the piezoelectric material layer and the surface of the edge region of the adhesive layer. The second electrically conductive layer is over the surface of the edge region of the piezoelectric material layer, the surface of the edge region of the adhesive layer, the surface of the first electrically conductive layer, and the flexible membrane. | 08-08-2013 |
| 20130206863 | TARGET SUPPLY DEVICE - A target supply device includes a target supply device body including a nozzle having a through-hole through which a target material is discharged, a piezoelectric member having first and second surfaces and connected to the target supply device body at the first surface, the piezoelectric member being configured such that a distance between the first and second surfaces changes in according with an externally supplied electric signal, an elastic member having first and second ends and connected to the second surface of the piezoelectric member at the first end, the elastic member being configured such that a distance between the first and second ends extends or contract in accordance with an externally applied force, and a regulating member configured to regulate a distance between the second end of the elastic member and the target supply device body. | 08-15-2013 |
| 20130233940 | Spraying Assembly, and Sprayer Equipped with at least one such Assembly - A spraying assembly is provided. The spraying assembly includes at least one nozzle for liquid that is to be sprayed, and at least one active substance injector which is situated directly upstream from the at least one nozzle and to which liquid to be sprayed is supplied by a pump or a pressurized reservoir, with interposition of an obturator on a conduit connecting the pump or the pressurized reservoir to the injector. The spraying assembly also includes an outlet valve for each injector designed to close each outlet orifice. The present invention avoids overdosing or underdosing of the product that is to be sprayed as active substance. | 09-12-2013 |
| 20130248618 | Moisture Protection Of Fluid Ejector - A fluid ejection apparatus includes a substrate having a plurality of fluid passages for fluid flow and a plurality of nozzles fluidically connected to the fluid passages, a plurality of actuators positioned on top of the substrate to cause fluid in the plurality of fluid passages to be ejected from the plurality of nozzles, and a protective layer formed over at least a portion of the plurality of actuators, the protective layer having an intrinsic permeability to moisture less than 2.5×10 | 09-26-2013 |
| 20130270358 | NEBULIZATION STRUCTURE WITH NOZZLE PLATE AND NEBULIZATION APPARATUS THEREOF - A nebulization structure with a nozzle plate includes a nozzle plate and a driving element. The nozzle plate is composed of a polymer and a support plate, and the support plate includes a plurality of connecting portions and a through hole, and the polymer covers the support plate and has a plurality of penetrating holes corresponding to the through hole. The driving element is coupled to the nozzle plate through the connecting portions for producing a high-frequency vibration wave through a piezoelectric effect after power is supplied and driving the nozzle plate to vibrate and break up the molecular structure of a solution into a mist, so as to achieve the nebulization effect. The nebulization structure can be installed in a nebulization apparatus to achieve a high-efficiency nebulization effect by the nozzle plate and the driving element, so as to facilitate the manufacturing process and save costs. | 10-17-2013 |
| 20140076994 | NOZZLE ASSEMBLY FOR A FLOW CYTOMETER SYSTEM AND METHODS OF MANUFACTURE - A method of manufacturing a nozzle assembly may include the step of over molding a nozzle housing, or a portion of a nozzle housing, onto at least one nozzle component, such as an injection tube. Nozzle assemblies and flow cytometers incorporating nozzle assemblies may include any combination of straight smooth injection tubes, improved features for securing a nozzle assembly, improved features for debubbling a nozzle assembly, and aggressive orienting geometries. A method of sorting cells may include the step of magnetically coupling a nozzle assembly with a flow cytometer. | 03-20-2014 |
| 20140110500 | SEPARABLE MEMBRANE IMPROVEMENTS - A liquid droplet production apparatus comprising a perforate membrane ( | 04-24-2014 |
| 20140145006 | FLEXIBLE WICK AS WATER DELIVERY SYSTEM - A refrigerator with a main supply fluid tank and a secondary reservoir supplied with fluid from the main supply fluid tank, with secondary reservoir having a maximum, controlled height of fluid. The refrigerator has an atomizer with fluid from the secondary reservoir which discharges the fluid provided from the secondary reservoir in an atomized spray to at least a portion of the refrigerator, and a flexible wick between the secondary reservoir and the atomizer and in fluid communication with both the secondary reservoir and the atomizer. Additionally, the atomizer has a piezo element located in a piezo reservoir to hold fluid next to the piezo element, wherein the piezo reservoir is provided with fluid from the secondary reservoir via the flexible wick. | 05-29-2014 |
| 20140151461 | ULTRASONIC ATOMIZING UNIT - An ultrasonic atomizing unit is provided which can spray fine particles of a liquid farther without greatly increasing a voltage applied to a piezoelectric vibrator and using a fan. An annular atomizing member ( | 06-05-2014 |
| 20140166776 | CONSTANT QUANTITY CONTROL NEBULIZATION DEVICE - Disclosed is a constant quantity control nebulization device including a main body, a nebulization module, a fixing plate and a rotary ring, and the device is installed to a container that contains a liquid to be nebulized. A first liquid storage space with a predetermined volume is defined at the top of the main body, and the nebulization module is installed in the main body and interconnected to the first liquid storage space, and the fixing plate is fixed onto the main body and has a first through hole, the rotary ring is sheathed on the top of the main body and axially coupled to the fixing plate, and the rotary ring has a second through hole corresponding to the first through hole. The consumption of the liquid to be nebulized can be controlled by rotating the rotary ring to improve the convenience of operation significantly. | 06-19-2014 |
| 20140166777 | SYSTEM AND METHOD FOR MOUNTING SYNTHETIC JETS - A system and method for the packaging of a synthetic jet actuator is disclosed. A synthetic jet actuator is provided that includes a first plate, a second plate spaced apart from the first plate and arranged parallelly thereto, and a housing positioned about the first and second plates and defining a chamber. The housing includes at least one orifice therein such that the chamber is in fluid communication with an external environment. The synthetic jet actuator also includes a mounting mechanism configured to mount the first and second plates within the housing in a suspended arrangement and an actuator element coupled to at least one of the first and second plates to selectively cause deflection thereof, thereby changing a volume within the chamber so that a series of fluid vortices are generated and projected to the external environment out from the at least one orifice of the housing. | 06-19-2014 |
| 20140175190 | ROTARY NEBULIZATION DEVICE - Disclosed is a rotary nebulization device installed to a container that contains a liquid to be nebulized, and the rotary nebulization device includes a main body, an electric connection ring, an nebulization ring and a rotary ring. The main body contains a power supply, the electric connection ring, the nebulization ring and the rotary ring sequentially installed on a side of the main body, and the electric connection ring has a first contact electrically coupled to the power supply, and the nebulization ring has an nebulization module electrically coupled to the first contact, and the rotary ring has a second contact corresponding to the first contact. The corresponding container has an opening portion and a liquid storage slot, and the rotary ring is provided for switching the connection and electric conduction between the liquid storage slot and the nebulization module to improve the convenience of operation. | 06-26-2014 |
| 20140191063 | AROMATIC NEBULIZING DIFFUSER - An aromatic nebulizing diffuser includes a housing, a fluid container movable fluid container in and out of a top opening of the housing and providing a nozzle hole for spraying a mist of aromatic fluid droplets, an elastic lift unit for lifting the fluid container out of the housing, a control unit, and a power switch actuator movable with the fluid container to switch on/off the control unit, causing the control unit to eject a mist of aromatic fluid droplets out of the fluid container when the fluid container is lifted out of the top opening of the housing, or to stop the operation when the fluid container is received inside the housing. | 07-10-2014 |
| 20140203104 | SYSTEM AND METHOD FOR MOUNTING SYNTHETIC JETS - A system and method for the packaging of a synthetic jet actuator is disclosed. A synthetic jet actuator is provided that includes a first plate, a second plate spaced apart from the first plate and arranged parallelly thereto, and a housing positioned about the first and second plates and defining a chamber. The housing includes at least one orifice therein such that the chamber is in fluid communication with an external environment. The synthetic jet actuator also includes a mounting mechanism configured to mount the first and second plates within the housing in a suspended arrangement and an actuator element coupled to at least one of the first and second plates to selectively cause deflection thereof, thereby changing a volume within the chamber so that a series of fluid vortices are generated and projected to the external environment out from the at least one orifice of the housing. | 07-24-2014 |
| 20140217198 | LIQUID DISCHARGE APPARATUS AND MANUFACTURING METHOD THEREOF - A liquid discharge apparatus in which controllability of liquid discharge speed is improved is provided. A pair of electrodes is arranged so as to divide a partition into a movable region to which an electric field for shear-deforming the partition at a portion on a nozzle side is applied and an immovable region to which the electric field is not applied at a portion on a common liquid chamber side. It is assumed that a cross-section area of a cross section along a face perpendicular to a longitudinal direction at a second end of an individual liquid chamber is S2, and a cross-section area along a face perpendicular to the longitudinal direction at a first boundary point closest to a first end on a boundary between the movable region and the immovable region is S1. The cross-section area S2 is made wider than the cross-section area S1. | 08-07-2014 |
| 20140217199 | METHOD AND APPARATUS FOR REDUCING ACOUSTIC NOISE IN A SYNTHETIC JET - A synthetic jet includes a first backer structure, one and only one actuator, a wall member coupled to and positioned between the first backer structure and the one and only one actuator to form a cavity, and wherein the wall member has an orifice formed therethrough, and wherein the orifice fluidically couples the cavity to an environment external to the cavity. | 08-07-2014 |
| 20140231539 | LIQUID NEBULIZING ASSEMBLY WITH SOLID NOZZLE PLATE - A liquid nebulizing assembly includes an actuating ring plate, a solid nozzle plate and a piezoelectric element. A plurality of nozzle holes is formed and distributed all over the solid nozzle plate and included between the actuating ring plate and the piezoelectric element. The solid nozzle plate includes at least one reinforcing portion in a 3D shape, and continuously and uninterruptably protruded to form at least one ring-shaped solid with respect to the center of the solid nozzle plate. The assembly is applicable to a relatively ductile and thin material to reduce the power consumption for the vibration transmission and achieve power saving. | 08-21-2014 |
| 20140231540 | DISPENSER FOR DISPENSING LIQUIDS - Dispenser with a liquid storage unit, a dispensing head with a perforated plate component which has at least 25 dispensing openings in a dispensing opening region, with a pre-chamber connected upstream of the dispensing openings of the perforated plate component and from which the dispensing openings are supplied, and a connecting channel which connects the liquid storage unit to the pre-chamber. The perforated plate component is fastened on the dispensing head in an edge region and the dispensing opening region is pressed into a curved form by means of a curvature body which is arranged in the pre-chamber and acts with force upon the perforated plate. | 08-21-2014 |
| 20140231541 | METHOD OF PRODUCING A DISPENSER, DISPENSER, AND MOULD THEREFOR - A perforated plate produced as a plastics component by injection moulding, there being provided for this purpose a mould with two mould halves which together define a cavity filled with plastics material during injection moulding, wherein the first mould half has a planar abutment surface directed towards the cavity, and the second mould half has a multiplicity of elevations rising up over a base surface, wherein, in the closed state of the mould, distal contact regions at the distal ends of the elevations but against the abutment surface, and therefore keep the dispensing openings free of plastics material when the plastics material is being injected. | 08-21-2014 |
| 20140252119 | Synthetic Jet Actuator Equipped With A Piezoelectric Actuator And A Viscous Seal - A synthetic jet ejector ( | 09-11-2014 |
| 20140252120 | LOW PROFILE SYNTHETIC JET ACTUATOR EQUIPPED WITH MOVING ARMATURES AND STACKABLE PLATES - A synthetic jet ejector ( | 09-11-2014 |
| 20140263722 | AROMATIC NEBULIZING DIFFUSER - An aromatic nebulizing diffuser includes a bottom holder shell, an electric fan, a fluid container, an oscillator, a circuit board, a power supply unit and a cover shell. The oscillator is adapted to oscillate an aromatic fluid in the fluid container into a mist of aromatic fluid droplets. The fluid container has a side block defining an air passage for guiding electric fan induced air into a pressurized space in between the cover shell and the fluid container to enhance the effects of mist diffusion. A rotating connection structure is provided between the bottom holder shell and the cover shell, facilitating general maintenance and cleaning activities. | 09-18-2014 |
| 20140263723 | AROMATIC NEBULIZING DIFFUSER - An aromatic nebulizing diffuser formed of a bottom holder shell, an electric fan, a mist creation block member, an oscillator, a circuit board, a power supply unit and a cover shell assembly is disclosed. The oscillator is adapted to oscillate an aromatic fluid in the mist creation block member into a mist of aromatic fluid droplets. The mist creation block member includes a semispherical air guide and a top flange, defining an air passage for guiding fan-induced currents of air to the nozzle hole of the cover shell assembly. The cover shell assembly defines a fluid storage chamber for providing a refill to the oscillation chamber, and a water stopper to prevent splashing. | 09-18-2014 |
| 20140263724 | ACOUSTIC STREAMING FLUID EJECTOR - An acoustic streaming fluid ejector includes a fluid filled chamber having an opening, a selectively vibrating flow generator having a sharp edge pointed toward the opening, and a driving device configured to vibrate one of the flow generator and the chamber to create a streaming fluid flow in a direction away from the sharp edge through the opening. Methods are also disclosed. | 09-18-2014 |
| 20140263725 | SYNTHETIC JET SUSPENSION STRUCTURE - A system and method for providing vibration dampening between a synthetic jet and stationary mounting bracket is disclosed. A synthetic jet assembly includes a synthetic jet having a first plate, a second plate spaced apart from the first plate, a spacer element positioned between the first and second plates to maintain the first and second plates in a spaced apart relationship, the spacer element including an orifice formed therein, and an actuator element coupled to at least one of the first and second plates to selectively cause deflection thereof such that a fluid flow is generated and projected out from the orifice. The synthetic jet assembly also includes a mounting bracket positioned about the synthetic jet to support the synthetic jet and a plurality of suspension tabs coupling the synthetic jet to the mounting bracket in a suspended arrangement. | 09-18-2014 |
| 20140263726 | LOW RESONANCE SYNTHETIC JET STRUCTURE - A system and method for achieving lower acoustic output and increased flow output in a synthetic jet device is disclosed. A synthetic jet sub-assembly includes a mounting bracket comprising a top surface and a bottom surface, a first flexible substrate positioned across an opening defined by the mounting bracket and attached to the top surface of the mounting bracket, a second flexible substrate positioned across the opening defined by the mounting bracket and attached to the bottom surface of the mounting bracket, a first plate affixed to an outward facing surface of the first flexible substrate and a second plate affixed to an outward facing surface of the second flexible substrate. | 09-18-2014 |
| 20140263727 | LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - A liquid ejecting head includes a flow-path forming substrate including pressure generation chambers that communicate with nozzle openings through which ink is ejected, a piezoelectric element that applies a pressure to the pressure generation chambers via a diaphragm, and a protection substrate that forms a sealed space for sealing the piezoelectric element, in which a pressure in the sealed space is adjusted such that the diaphragm is drawn up to the piezoelectric element side and an initial bent position of the diaphragm is adjusted. | 09-18-2014 |
| 20140263728 | LOW RESONANCE ACOUSTIC SYNTHETIC JET STRUCTURE - A system and method for reducing or increasing the mechanical structure resonance of a synthetic jet device is disclosed. A synthetic jet device includes a first plate, a second plate spaced apart from the first plate, a spacing component coupled to and positioned between the first and second plates to form a chamber and including an orifice therein, and an actuator element coupled to at least one of the first and second plates to selectively cause deflection thereof, thereby changing a volume within the chamber so that a series of fluid vortices is generated and projected out from the orifice of the spacing component. At least one of the first and second plates includes a modified section that alters a mechanical resonance of the synthetic jet device, so as to control a level of acoustic noise generated by the synthetic jet device. | 09-18-2014 |
| 20140299674 | MICRO SYNTHETIC JET EJECTOR - A semiconductor device is provided which functions as a synthetic jet ejector. The semiconductor device ( | 10-09-2014 |
| 20140319239 | Thermal Management System Comprising A Heat Pipe, Heat Fins And A Synthetic Jet Ejector - A device is provided which includes (a) a thermally conductive base having first and second major surfaces; (b) a die attached to said first major surface of said base; (c) a heat pipe having a first end which is attached to said second major surface of said base; (d) a plurality of heat fins attached to a second end of said heat pipe; and (e) at least one synthetic jet ejector disposed between said base and said plurality of heat fins. | 10-30-2014 |
| 20140319240 | Piezoelectric Actuator - A piezoelectric actuator for a fuel injector may include a piezoelement that can be deflected along the longitudinal axis in the longitudinal direction of the fuel injector, and a separating wall for protecting the piezoelement from an overflow of a medium from the fuel-guiding part of the fuel injector, the piezoelement being preconstrained in the axial direction by the separating wall. | 10-30-2014 |
| 20140326802 | ATOMIZATION DEVICE - An atomizer is provided having an atomization chamber ( | 11-06-2014 |
| 20140367486 | LIQUID CONTAINER, ULTRASONIC ATOMIZATION DEVICE, AND ABSORPTION BODY - An ultrasonic atomizing device ( | 12-18-2014 |
| 20140374503 | LIQUID DISCHARGE HEAD, RECORDING DEVICE USING SAME, AND PIEZOELECTRIC ACTUATOR SUBSTRATE FOR USE THEREIN - A liquid discharge head has plates constituting a flow passage member, and a piezoelectric actuator substrate and the flow passage member are joined satisfactorily. A liquid discharge head includes a flow passage member laminated a plurality of flat plates, having a pressurizing chamber, a plurality of discharge holes, and a common flow passage, and a piezoelectric actuator substrate laminated on the flow passage member, on which a plurality of displacement elements are disposed. On one principal plane of the piezoelectric actuator substrate, a plurality of connection electrodes to which driving signals of the displacement elements are supplied are disposed, and the number of the connection electrodes per unit area disposed in a first region D | 12-25-2014 |
| 20150014433 | SYSTEMS AND METHODS FOR ULTRASONIC SPRAYING - The disclosure provides systems and methods for ultrasonic spraying of fluids. In some embodiments, the disclosure provides systems and methods for spraying cosmetic fluids using handheld spray devices. | 01-15-2015 |
| 20150014434 | ULTRASONIC SPRAYING DEVICE / AIR-ASSISTED ULTRASONIC SPRAYING DEVICE WITH ADVANCING CARTRIDGE PISTON - The invention provides systems and methods for delivering a fluid, which may be a cosmetic fluid. The fluid delivery system may employ ultrasonic energy to deliver fluid contained in a cartridge using a spraying device. The fluid delivery system may be modular. | 01-15-2015 |
| 20150014435 | LIQUID SPRAYER - A transducer type liquid sprayer in that mist can be dispersed widely even when the liquid sprayer is dispersed in a relatively low position. The liquid sprayer contains a storage tank for storing spray liquid that can be easily replaced together with a core for soaking up the spray liquid from the storage tank. The liquid sprayer includes a spray liquid storage unit and a main body for supporting the spray liquid storage unit and a power supply unit. A spray hole is formed in the lid member and a transducer is also disposed inside the lid member and electrically connected to the power supply unit. The transducer is in contact with a front side of a tip end portion of the core with the front face of the transducer oriented forward and upward. | 01-15-2015 |
| 20150014436 | Valve for Metering Fluid - A valve for metering fluid having a valve assembly which meters the fluid, and a hydraulic coupler assigned to the valve assembly. The coupler has a housing cup having a cup bottom, cup wall and cup opening; a piston is guided inside the housing cup in axially displaceable manner and delimits a fluid-filled coupler gap in the direction of the cup bottom and delimits an annular gap in the direction of the cup wall; and a cap-shaped diaphragm having a cap bottom and cap shell, which covers the annular gap at the cup opening by the cap bottom and overlaps the cup wall of the housing cup by the cap shell, and is fixed in place at the piston and cup wall in fluid-tight manner. To achieve a sufficiently large volume of the compensating volume enclosed between the diaphragm on the one side and the piston and housing cup on the other side, that is able to accommodate volume changes of the fluid volume in the coupler gap created under pressure, the cap shell includes elastic deformation regions, which follow one another in the circumferential direction, point radially toward the inside, and extend in the radial direction. | 01-15-2015 |
| 20150021411 | LIQUID EJECTING HEAD - In a liquid ejecting head that includes a pressure generating element which generates pressure fluctuations in a liquid inside a pressure chamber by applying a voltage to an electrode and a wiring member which has a wiring terminal electrically connected to the electrode, and that ejects the liquid through a nozzle by applying the voltage to the electrode and driving the pressure generating element, the liquid ejecting head includes an electrode terminal that is connected to the electrode and is formed in a series over at least a partial region in a bonding region to which the wiring terminal is bonded. The wiring terminal has multiple terminals which are formed by being spaced apart from one another in the bonding region. | 01-22-2015 |
| 20150028125 | LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - A liquid ejecting head in which a flow path substrate having a communication hole communicating with a nozzle and a pressure chamber substrate having a space that is a pressure chamber are at least laminated includes: an actuator having an active section that is interposed between electrodes and applies pressure to the pressure chamber. The pressure chamber substrate has a first space positioned in a region corresponding to the active section and a second space positioned nearer to the nozzle than the first space and communicating with the first space among the spaces. The communication hole does not overlap with the first space and overlaps with at least a part of the second space in a lamination direction. | 01-29-2015 |
| 20150034734 | FLUID EJECTION DEVICE - A method of forming a substrate for a fluid ejection device includes forming an opening through the substrate, with the opening having a long axis profile and a short axis profile, and with the long axis profile including a first portion extending from a minimum dimension of the long axis profile to a first side of the substrate, and a second portion including and extending from the minimum dimension of the long axis profile to a second side of the substrate opposite the first side. The method also includes forming a protective layer on sidewalls of the second portion of the long axis profile of the opening and excluding the protective layer from sidewalls of the first portion of the long axis profile of the opening. | 02-05-2015 |
| 20150069143 | ULTRASONIC SPRAY SYSTEM - An ultrasonic spray system includes an atomizer, a main reservoir and an auxiliary reservoir. The atomizer includes a seat body and an ultrasonic vibration plate mounted in the seat body. The seat body defines a chamber and an opening in communication with the chamber. The ultrasonic vibration plate is disposed in between the chamber and the opening of the seat body and configured to transform liquid stored in the chamber into fine droplets. The main reservoir is arranged in fluid communication with the chamber of the seat body for supplying liquid to the atomizer. The auxiliary reservoir is arranged in fluid communication with the main reservoir. In particular, the main reservoir is fanned with a near-vacuum above liquid therein such that while some of the liquid flows from the main reservoir to the chamber of the atomizer, make-up liquid is automatically added to the main reservoir from the auxiliary reservoir. | 03-12-2015 |
| 20150069144 | MOTION MODIFIERS FOR FUEL INJECTION SYSTEMS - The present technology relates generally to amplification for fuel injectors. In some embodiments, an injector for introducing gaseous or liquid fuel into a combustion chamber includes an injector body having a base portion configured to receive fuel into the body and a valve coupled to the body. The valve can be movable to an open position to introduce fuel into the combustion chamber. The injector further includes a valve operator assembly. The valve operator assembly can include a valve actuator coupled to the valve and movable between a first position and a second position upon receipt of an initial motion. The valve operator assembly can also include an amplifier configured to receive the initial motion from the valve actuator, amplify the initial motion, and transfer the amplified motion to the valve. | 03-12-2015 |
| 20150069145 | ULTRASONIC SPRAY SYSTEM - An ultrasonic spray system includes an atomizer and a reservoir for supplying liquid to the atomizer for atomization. The atomizer includes a seat body, an ultrasonic vibration plate and a baffle plate. The seat body defines a chamber in fluid communication with the reservoir, and an opening in communication with the chamber. The ultrasonic vibration plate is mounted in the opening of the seat body for transforming liquid in the chamber into fine droplets that exit the atomizer through the opening in the form of a fog. The baffle plate is mounted in the seat body between the ultrasonic vibration plate and the chamber of the seat body. Moreover, the baffle plate defines a central hole smaller in diameter than the opening of the seat body for mitigating water pressure on the ultrasonic vibration plate, and a slot radially extending from the central hole for air to escape from the chamber of the seat body. | 03-12-2015 |
| 20150069146 | ATOMIZING SPRAY APPARATUS - A spray apparatus includes a pump, a reservoir and an atomizing unit in fluid communication within a fluid circuit. The atomizing unit comprises a housing enclosure defining an enclosed interior space. An aperture is defined a front wall of the housing, and an ultrasonic atomizer is disposed within the interior space proximate to the aperture. A fluid supply port extends into the interior space, arranged to deliver a fluid pumped by the pump to the ultrasonic atomizer. An overflow return port extends from the interior space, and is arranged to return fluid from the interior space to the reservoir. The fluid supply port may be arranged to deliver a fluid into a fluid receiving space such that the atomizer becomes at least partially immersed within a fluid during operation. Alternatively, the fluid supply port may be arranged to direct a stream of fluid against a surface of the atomizer. | 03-12-2015 |
| 20150083820 | ULTRASONIC ATOMIZATION DEVICE - The present invention is an ultrasonic wave atomizing device including: a liquid absorbent wick ( | 03-26-2015 |
| 20150097050 | Ultrasonic Cosmetic Applicator - This invention is a portable ultrasonic cosmetic applicator for spraying lip gloss, eye shadow, blush, tanning solutions, moisturizing agents onto the body or face. It is useful for makeup artist in the movie industry, beauty salons and for personal use. The applicator is small and light weight device making it easy to use without the use of air pressure that is commonly used with airbrush spraying equipment of this type. This invention eliminates noisy compressors, pressurize cylinders and air lines. This invention I propose produces a fine misty spray that is easily applied with a smaller and more uniform particle size then common used spray equipment or hand applicator, reducing the amount of unused cosmetics. | 04-09-2015 |
| 20150108246 | FUEL ELECTRO-INJECTOR FOR A FUEL INJECTION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE - A fuel electro-injector for a fuel injection system for an internal combustion engine, having an atomizer equipped with a nozzle and a valve needle defining a discharge section that is annular and has a width that continuously increases as the opening stroke of the valve needle proceeds. The opening stroke is directed outwards and is caused, in a proportional manner, by the operation of an electric actuator. The electro-injector has a high-pressure environment with an annular passageway around the lateral outer surface of the valve needle to supply fuel to the discharge section, and a low-pressure environment, which communicates with a fuel outlet and is separated from the high-pressure environment by a dynamic seal between the valve needle and the nozzle. The electro-injector is provided with a hydraulic connection between the electric actuator and the valve needle, with a pressure chamber axially delimited, on one side, by the valve needle and, in use, is filled with fuel that, once compressed, axially pushes the valve needle along the opening stroke. The hydraulic connection is placed in the low-pressure environment, so that the pressure chamber only communicates with this environment. | 04-23-2015 |
| 20150122908 | MULTI-LAYER PIEZOELECTRIC ELEMENT AND PIEZOELECTRIC ACTUATOR, INJECTION DEVICE AND FUEL INJECTION SYSTEM INCLUDING THE SAME - There are provided a multi-layer piezoelectric element capable of suppressing the development of a small crack occurring at an interface between a piezoelectric layer and an internal electrode layer or in the internal electrode layer, and a piezoelectric actuator, an injection device and a fuel injection system including the same. A multi-layer piezoelectric element includes a stacked body in which piezoelectric layers and internal electrode layers are laminated, and an external electrode disposed on a side surface of the stacked body and electrically connected to the internal electrode layers through a conductive bonding material, the external electrode including protrusions protruding toward the stacked body. | 05-07-2015 |
| 20150129681 | ULTRASONIC ATOMIZATION DEVICE - The present invention is an ultrasonic wave atomizing device including: a liquid absorbent wick ( | 05-14-2015 |
| 20150136874 | VIBRATOR INCLUDING MESH STRUCTURE AND MANUFACTURING METHOD THEREOF - Provided herein is a vibrator that includes a mesh structure and sprays a liquid material through the mesh structure and a manufacturing method thereof, the vibrator including the mesh structure including a vibrator structure including a hollow configured to introduce fluid from outside; a mesh structure configured to touch the hollow and include a porous mesh including a plurality of holes; and an electrode unit configured to apply a voltage for causing vibration of the vibrator structure to the vibrator, wherein the vibrator structure and mesh structure are configured as one integrated object, and the voltage is a direct voltage or alternating voltage. | 05-21-2015 |
| 20150292462 | Piezo Injector - A piezo injector includes an actuator space in which a piezo actuator is arranged, a control piston bore in which a control piston with an end face is arranged, a leakage pin arranged between the piezo actuator and the end face to couple the piezo actuator with the control piston, and a union for fluidic communication with the control piston bore which union has a hydraulic throttle. | 10-15-2015 |
| 20150306623 | ULTRASONIC ATOMIZATION DEVICE - The present invention is an ultrasonic wave atomizing device including: a liquid absorbent wick ( | 10-29-2015 |
| 20150330348 | LIQUID INJECTOR ATOMIZER WITH COLLIDING JETS - A liquid injector for injection of liquids into internal combustion engines is provided. The injectors have a plurality of jets aimed at a common collision point, where at least two jet streams collide to create a finely atomized liquid due to kinetic energy dissipated by the impact of the liquid streams. The angle formed by the jets, the pressure applied and the distance at which the jets collide is such that the loss of forward momentum is greater than the energy required to create particles smaller than 5 microns. Liquids injected may include gasoline, diesel-type fuels, or water. The injectors may be employed for port injection or direct injection. | 11-19-2015 |
| 20150345443 | Piezo Injector - A piezo injector with an actuator chamber, in which a piezo actuator is arranged, includes an upper section (the injector body) and a lower section (the nozzle body). The piezo injector also has a control piston bore formed in the nozzle body, wherein a control sleeve, in which a control piston is received, is arranged in the control piston bore. The control sleeve seals against an intermediate plate with a first front face facing the piezo actuator. The control piston has a first side facing the piezo actuator, wherein the first front face of the control piston and the section of the control sleeve facing the piezo actuator form a first control chamber. | 12-03-2015 |
| 20150367373 | MICROFLUIDIC SYSTEM WITH SINGLE DRIVE SIGNAL FOR MULTIPLE NOZZLES - The present disclosure is directed to a microfluidic die that includes a plurality of heaters above a substrate, a plurality of chambers and nozzles above the heaters, a plurality of first contacts coupled to the heaters, and a plurality of second contacts coupled to the heaters. The plurality of second contacts are coupled to each other and coupled to ground. The die includes a plurality of contact pads, a first signal line coupled to the plurality of second contacts and to a first one of the plurality of contact pads, and a plurality of second signal lines, each second signal line being coupled to one of the plurality of first contacts, groups of the second signal lines being coupled together to drive a group of the plurality of heaters with a single signal, each group of the second signal lines being coupled to a remaining one of the plurality of contact pads. | 12-24-2015 |
| 20150367374 | ATOMIZING ASSEMBLY AND ATOMIZER FORMED THEREBY - The invention relates to an atomizing assembly and an atomizer formed thereby. The atomizing assembly comprises a containing part and an atomizing part. The containing part has a containing body. The containing body defines a containing space for containing a liquid to be atomized and has an opening which communicates with the containing space. The atomizing part is integrated with or detachably connected with the containing part and has a vibrating member and a nozzle plate. The vibrating member has an atomizing electrical connecting portion, where the vibrating member is electrically connected, and a pin element electrically connected with the atomizing electrical connecting portion. The nozzle plate is located corresponding to the opening. The atomizer is formed by electrically connecting the atomizing assembly to a base. | 12-24-2015 |
| 20150375252 | SPRAYING DEVICE AND SPRAYING MODULE - A spraying module includes a spraying element, a first covering element and a second covering element. The spraying element includes a first electrode and a second electrode. The first covering element has two depressions and is disposed on one side of the spraying element, and the first electrode and the second electrode are disposed in the two depressions respectively. The second covering element includes two protrusions and is disposed on the other side of the spraying element, and the two protrusions cover the first electrode and the second electrode respectively. The first covering element and the second covering element are made by compliant material. | 12-31-2015 |
| 20160013395 | Orthotropic Bimorph for Improved Performance Synthetic Jet | 01-14-2016 |
| 20160030965 | NOZZLE DEVICE WITH A PLURALITY OF PIEZOELECTRIC PLATE MODULE - A nozzle device includes an upper cover module having a cavity, a plurality of stacked piezoelectric plate modules, a plug module, and a lower cover module. Each piezoelectric plate module includes a substrate, a piezoelectric material, an electrical connection, an upper electrode, and a lower electrode. The substrate includes multiple first through holes disposed correspondingly to the cavity. The piezoelectric material is located on the upper surface of the substrate. The electrical connection extends from the lower surface of the substrate, through the substrate, and to the bottom of the piezoelectric material. The lower electrode is located below the lower surface of the substrate and electrically connects to the electrical connection. The plug module includes plugs and second through holes corresponding to the first through holes. The lower cover module includes openings disposed according to the plugs of the plug module. | 02-04-2016 |
| 20160030966 | CIRCUIT FOR LIQUID ATOMIZING DEVICE AND DEVICE THEREOF - A circuit for liquid atomizing device coupled to an atomizing module is disclosed. The circuit for liquid atomizing device includes a conversion unit, a control unit and a voltage adjustment unit. The control unit is coupled to the conversion unit and controls the conversion unit to output a transforming voltage. The voltage adjustment unit is coupled between the conversion unit and the atomizing module. The voltage adjustment unit according to the transforming voltage outputs a driving voltage to the atomizing module. The driving voltage includes a plurality of electrolysis sections and a plurality of negative level sections. Each electrolysis section indicates that the atomizing module produces a forward electrolysis reaction. Each negative level section indicates that the atomizing module produces a backward electrolysis reaction. | 02-04-2016 |
| 20160107186 | Essential Oil Diffuser - An essential oil diffuser comprises a main body and a power plug. The main body includes a shell, an electric circuit board, a connector shell, and an ultrasonic vibration module. Wherein, a receiving room is formed in the shell, an opening is formed at one end of the shell, and a shell hole is disposed on an upper shell. The connector shell is provided in the receiving room on a side of the shell opening. A receiving room is also formed in the connector shell, to receive an essence container screwed therein. The ultrasonic vibration module is disposed in the receiving room of the connector shell, and it is provided with an atomized liquid outlet corresponding to the shell hole and the connector hole, and is sleeved in the connector shell by means of a sleeve piece. | 04-21-2016 |
| 20160167078 | AEROSOL GENERATOR | 06-16-2016 |
| 20160193624 | LIQUID DROPLET DISCHARGE DEVICE | 07-07-2016 |
| 20160252068 | PIEZO ACTUATOR FOR A FUEL INJECTOR, AND FUEL INJECTOR | 09-01-2016 |
