5192 results about "Inlet channel" patented technology

A method and an apparatus for growing a thin film onto a substrate by the ALD process. The apparatus comprises a reaction chamber into which the substrate can be disposed; a plurality of inlet channels communicating with said reaction chamber, said inlet channels being suited for feeding the reactants employed in a thin-film growth process in the form of vapor-phase pulses into said reaction chamber; at least one outlet channel communicating with said reaction chamber, said outlet channel being suited for the outflow of reaction products and excess amounts of reactants from said reaction space; and a pre-reaction chamber arranged immediately upstream of the reaction chamber, said pre-reaction chamber forming a first reaction zone, in which the reactants of successive vapor-phase pulses can be reacted with each other in the vapor phase to form a solid product, whereas said reaction chamber forming a second reaction zone can be operated under conditions conducive to ALD growth of a thin film.

Provided are a method and apparatus for amplifying nucleic acids. The method includes introducing into a reaction vessel via different inlet channels a reactant aqueous solution containing reactants for nucleic acid amplification and a fluid that is phase-separated from the reactant aqueous solution and does not participate in amplification reaction, creating a plurality of reactant aqueous solution droplets surrounded by the fluid by contacting the reactant aqueous solution with the fluid in the reaction vessel, and amplifying the nucleic acids in the reactant aqueous solution droplets. The apparatus includes a substrate, a reaction vessel formed inside of the substrate, at least one first inlet channel formed inside the substrate, connected to an end of the reaction vessel, and allowing introduction of a reactant aqueous solution containing reactants for nucleic acid amplification into the reaction vessel, a second inlet channel formed inside the substrate, connected to the end of the reaction vessel, and allowing introduction of a fluid that is phase-separated from the reactant aqueous solution and does not participate in amplification reaction into the reaction vessel, and a heating unit installed on the substrate in such a way to thermally contact with the substrate and heating the substrate.

A method for forming monodisperse lipoplex assemblies includes providing a microfluidic device having a main microfluidic channel coupled to first and second reactant inlet channels. The first inlet channel is used to deliver a cationic lipid to the main channel while the second channel is used to deliver a nucleic acid. A droplet generation zone is provided in the main channel at the intersection of first and second carrier channels that contain a hydrophobic fluid. The cationic lipid, nucleic acid, and the hydrophobic fluid are then pumped through the device. In the droplet generation zone, shear force from the hydrophobic fluid pinches off droplets. The cationic lipid and nucleic acid are mixed in the generated droplets as the droplets move within a mixing region. A plurality of splitting channels may be coupled to the outlet of the device to produce smaller, monodisperse droplets having picoliter volumes.

Tissue dressing assemblies are formed from hydrophilic polymer sponge structures. The tissue dressing assemblies can be used, e.g., (i) stanch, seal, or stabilize a site of tissue injury, tissue trauma, or tissue access; or (ii) form an anti-microbial barrier; or (iii) form an antiviral patch; or (iv) intervene in a bleeding disorder; or (v) release a therapeutic agent; or (vi) treat a mucosal surface; or (vii) combinations thereof. The tissue dressing structures are made compliant, e.g., by (i) micro-fracturing of a substantial portion of the sponge structure by mechanical manipulation prior to use, or (ii) a surface relief pattern formed on a substantial portion of the sponge structure prior to use, or (iii) a pattern of fluid inlet channels formed in a substantial portion of the sponge structure prior to use, or (iv) the impregnation of a sheet material within the sponge structure.

The present invention relates to an in situ micromachined mixer for microfluidic analytical systems. In a preferred embodiment, a 100 pL mixer for liquids transported by electroosmotic flow (EOF) is described. Mixing was achieved in multiple intersecting channels with a bimodal width distribution and varying lengths. Five .mu.m width channels ran parallel to the direction of flow whereas larger 27 .mu.m width channels ran back and forth through the network at a 45.degree. angle. All channels were approximately 10 .mu.m deep. It was observed that little mixing of confluent streams occurred in the 100 .mu.m wide mixer inlet channel where mixing would be achieved almost exclusively by diffusion. In contrast, mixing was complete after passage through the channel network in the .apprxeq.200 .mu.m length mixer. Solvent composition was altered by varying the voltage on solvent reservoirs. The high efficiency attained in this mixer was attributed to the presence of a 2 pL vortex in the center of the mixer. Video tracking of fluorescent particles with a fluorescence microscope allowed the position and volume of this vortex to be determined.

According to certain embodiments disclosed in the present application, a climate controlled seating assembly includes a thermal module. The thermal module comprises at least one inlet channel, at least one outlet channel and a thermoelectric device (e.g., Peltier circuit) positioned upstream of the outlet channel. In one embodiment, the seating assembly includes a sensor positioned within an interior of the thermal module and configured to detect the presence of a liquid, such as water, condensation or other fluids, on or near said sensor. In certain arrangements, the sensor is configured to detect the presence of a liquid by measuring an electrical resistance or capacitance across a portion of the sensor. A climate control system can include a separator gasket located within a housing of a fluid module and at least partially between the cold passage and the hot passage. In some embodiments, the separator gasket comprises one or more wicking materials. The separator gasket can be configured to transport liquids from the cold passage to the hot passage.

The invention provides a microfabricated device for sorting cells based on a desired characteristic, for example, reporter-labeled cells can be sorted by the presence or level of reporter on the cells. The device includes a chip having a substrate into which is microfabricated at least one analysis unit. Each analysis unit includes a main channel, having a sample inlet channel, typically at one end, and a detection region along a portion of its length. Adjacent and downstream from the detection region, the main channel has a discrimination region or branch point leading to at least two branch channels. The analysis unit may further include additional inlet channels, detection points, branch points, and branch channels as desired. A stream containing cells is passed through the detection region, such that on average one cell occupies the detection region at a given time. The cells can be sorted into an appropriate branch channel based on the presence or amount of a detectable signal such as an optical signal, with or without stimulation, such as exposure to light in order to promote fluorescence.

A microfluidic device may include a sample distribution network including a plurality of sample chambers configured to be loaded with biological sample for biological testing of the biological sample while in the sample chambers, the biological sample having a meniscus that moves within the sample chambers during loading. The sample distribution network may further include a plurality of inlet channels, each inlet channel being in flow communication with and configured to flow biological sample to a respective sample chamber, and a plurality of outlet channels, each outlet channel being in flow communication and configured to flow biological sample from a respective sample chamber. At least some of the sample chambers may include a physical modification configured to control the movement of the meniscus so as to control bubble formation within the at least some sample chambers. At least some of the sample chambers may include a dried reagent positioned within the at least some sample chambers proximate the inlet channels in flow communication with the at least some sample chambers.

The invention discloses an electronic cigarette, comprising an inductor shell, and a power unit, a control unit, a liquid resistant device and an atomizer chamber which are equipped inside the shell; one end of the shell is provided with a suction nozzle, while the other end is provided with an air inlet channel; the atomizer chamber is internally provided with a heater, the outside of the atomizer chamber is provided with a multilayer drainage mechanism, wherein, one end of the drainage mechanism is communicated with a liquid storage core; the liquid resistant device, a sealing sheet and the atomizer chamber are all provided with airflow channels, both ends of the periphery of the liquid storage core are provided with mist channels, and the airflow channels and the mist channels are communicated with the air inlet channel and the suction nozzle; an inductor is formed by the suction nozzle and/or the shell, which is connected with the control unit via a connecting wire, and one end of the connecting wire is connected with the suction nozzle and/or the shell to form a conductive body. The invention is a humanized electronic cigarette which can simulate smoking effect; the invention is simple and compact in structure, low in cost, and closer to reality.

The invention relates to a total heat recovery humidifying fresh-air heat pump comprising an air inlet channel, an air exhaust channel and a refrigeration system, wherein the refrigeration system comprises a compressor, a first heat exchanger, a throttling device and a second heat exchanger, wherein the first heat exchanger exchanges heat with cold and heat sources, the second heat exchanger is used for cooling, dehumidifying or heating fresh air, the second heat exchanger is positioned into the air inlet channel, an air blower is arranged in the air inlet channel, an exhauster is arranged in the air exhaust channel, a heat recovery heat exchanger which is used for exchanging the heat of the fresh air and indoor return air is arranged between an inlet of the air inlet channel and an outlet of the air exhaust channel, a reheater which is used for reheating the cooled and dehumidified fresh air is optionally connected between the first heat exchanger and the throttling device, and the reheater is positioned behind the second heat exchanger in the air inlet channel along the flow direction of the fresh air. The invention provides a humidifying fresh-air heat pump which is additionally provided with the heat exchangers to dehumidify, reheats air by the reheater, can select an air internal or external circulation mode according to the concentration of CO2, saves more energy and is simple to control.

The invention relates to a device for extracting a food substance contained in a closed refill. The device includes a hollow body with a housing for accommodating the refill, a water inlet channel passing through the body and communicating with the housing, and a plurality of piercing elements arranged in the housing for piercing the refill in several different places in order to allow the water to pass through the refill. The piercing elements are spaced apart in the housing with respect to the water inlet direction in the housing. Each piercing element includes: (i) a base portion secured to the body and projecting into the housing, designed to engage at least partially inside the refill, and (ii) a cutting surface which intersects the base portion at an acute angle.

An apparatus to perform a process to remove water and minerals from a bitumen froth output of a oil sands hot water extraction process comprises: (i) a cyclone body having an elongated conical inner surface defining a cyclone cavity extending from an upper inlet region with a diameter DC to a lower apex outlet with a diameter DU; (ii) an inlet means forming an inlet channel extending into the upper inlet region of the cyclone cavity; and (iii) a vortex finder forming an overflow outlet of a diameter (DO) extending into the upper inlet region of the cyclone cavity toward the lower apex outlet and having a lower end extending an excursion distance below the inlet channel; wherein a fluid composition entering the inlet channel into the cyclone cavity is urged by force of gravity and velocity pressure downward toward the lower apex and variations in density of the constituent components of the fluid composition cause the lighter component materials to be directed toward the overflow outlet of the vortex finder.

A surgical instrument for use in a sinus lift includes a substantially cylindrical sleeve which is sealingly insertable into a bore of a jawbone. The sleeve has a lumen and is formed with an inlet channel and an outlet port which is in fluid communication with the lumen. A vibration unit is operatively connected to the instrument for transmitting vibrations into the lumen.

The invention relates to an intelligent fresh and return air volume adjusting type air purifier. The intelligent fresh and return air volume adjusting type air purifier comprises a box, a fresh and return air heat exchanger, an exhaust fan, an air feeder, a controller, a primary filter and an efficient filter. The box is provided with an outdoor exhaust port, an outdoor fresh air port, an indoor air feeding port and an indoor exhaust port. The outdoor fresh air port communicates with the indoor air feeding port through an air inlet channel. The indoor exhaust port communicates with the outdoor exhaust port through an exhaust pipeline. The air inlet channel and an exhaust channel are arranged in a crossed isolation manner, and the fresh and return air heat exchanger is arranged at the intersection position of the air inlet channel and the exhaust channel. According to the signals of indoor and outdoor PM2.5 concentration, indoor CO2 concentration, the air feeding temperature, the fresh air temperature, the indoor and outdoor pressure difference and the like, a controller is used for intelligent comparison and selection, and optimized running of five work conditions of all fresh air, all return air, the minimum fresh air ratio, the minimum return air ratio and fresh and return air mixed adjustment is achieved. The indoor air exchange requirement and the air quality are guaranteed, meanwhile, the dust filtering and containing amount of all levels of filters is reduced, air treatment energy consumption is reduced, and the air feeding comfort degree is guaranteed.

This invention provides a constant geometrical supersonic and hypersonic speed adjustable inlet channel which has fixed geometrical shape and simple structure and can adjust the wave system and the effective passage throat area in the inlet channel. Its features lie in that it includes the inlet channel subject, liplike cap, pipeline, valve, porous or multi-crevicel plate, stabilized voltage tune, water-spreading plate and tune. It extracts a small quantity of relatively high pressure secondary fluid through the water-spreading plate and tune fixed in the high-pressure area of the inner inlet channel. The fluid is then carried through the pipe to the stabilized voltage tune fixed in the all-level constricted sloping plate of the inlet channel subject. After that it pours along the distribution and preinstalled way in the flow field of the inlet channel through the porous or multi-crevice plate which achieves the real-time adjustment of the wave system and the effective passage throat area in the trophy of the inlet channel. The merits of this invention are not only the high resistance value in the wide Mach number, the low coefficient of drag relative to the conventional inlet channel, but also the fixed geometrical shape, simple structure and being apt to achieve.

A catalysed soot filter for a diesel engine comprises a wall flow substrate having a substrate axial length, wherein surfaces of both the internal walls of a plurality of inlet and a plurality of outlet channels comprise a catalytic washcoat of at least one on-wall coating composition for oxidising NO in exhaust gas to NO₂, wherein the washcoat on the inlet channels extends for an axial inlet coating length from an open inlet end to a downstream inlet coating end, the washcoat on the outlet channels extends for an axial outlet coating length from an upstream outlet end to an open outlet end, the axial inlet coating length and the axial outlet coating length are both less than the substrate axial length and the outlet coating length is greater than the inlet coating length.

The invention relates to a fluid conveying device for conveying a fluid, which comprises a valve seat, a valve cover, a valve film, a plurality of temporary storage chambers and a vibration device, wherein the valve seat is provided with an outlet channel and an inlet channel; the valve cover is combined with the valve seat in a stacking mode and is provided with an inlet valve channel which is arranged corresponding to the inlet channel and an outlet valve channel which is arranged corresponding to the outlet channel; the valve film is arranged between the valve seat and the valve cover; a first temporary storage chamber is formed between the valve film and the valve cover, and a second temporary storage chamber is formed between the valve film and the valve seat, wherein the minimum caliber of the first temporary storage chamber is larger than the pipe diameter of the inlet channel; and the periphery of the vibration device is fixedly arranged on the valve cover.

An ink delivery system delivering ink with satisfactory ink flow rate and dynamic back pressure from a stationary ink supply station to a print cartridge on a movable carriage in an inkjet printer is disclosed. The ink delivery system comprises an ink container and an ink reservoir both residing in the ink supply station, and a flexible tubing connecting the ink reservoir to the print cartridge. The ink container has an internal cavity not open to atmosphere holding a supply of ink, and an air inlet channel and an ink exit channel. The ink reservoir has fluid channels to mate with the air inlet channel and ink exit channel on the ink container, and an air opening on the upper portion to connect the internal space of the reservoir to atmosphere and an ink exit port. The ink level in the ink reservoir is controlled by allowing the ink to rise to a level where the ink blocks the air channel into the ink container thereby preventing air to flow therethrough. Consequently, ink is stopped from flowing from the container into the reservoir until the level of ink falls such that it no longer blocks the air channel into the ink container.

A pump includes: a pump chamber for which a capacity is changeable; an inlet channel which allows a working fluid to flow into the pump chamber; an inlet side fluid resistance element disposed between the pump chamber and the inlet channel; an outlet channel which allows the working fluid to flow out of the pump chamber; and a pipeline element formed inside the outlet channel, wherein a rotational flow generation structure, which generates a rotational flow of the working fluid, is provided in the pump chamber, and wherein the outlet channel is located adjacent to the rotational center of the rotational flow.

A fluid transportation device includes a flow-gathering module and multiple double-chamber actuating structures. The flow-gathering module includes two surfaces opposed to each other, multiple first flow paths and multiple second flow paths running through the two surfaces, an inlet channel arranged between the two surfaces and communicated with the multiple first flow paths, and an outlet channel arranged between the two surfaces and communicated with the multiple second flow paths. The multiple double-chamber actuating structures are arranged on the flow-gathering module side by side. Each double-chamber actuating structure includes a first chamber and a second chamber symmetrically arranged on the two surface of the flow-gathering module. Each of the first chamber and the second chamber includes a valve cap arranged over the flow-gathering module, a valve membrane arranged between the flow-gathering module and the valve cap, and an actuating member having a periphery fixed on the valve cap.

The invention discloses an electric generator based on a methanol water hydrogen-making system and an electricity generation method thereof. The electric generator comprises a methanol water storage container, a delivery pump, a heat exchanger, a reformer, a separation device and a fuel cell, wherein the delivery pump is used for delivering methanol and water to a reforming chamber of the reformer; the heat exchanger is used for carrying out heat exchange on the low-temperature methanol and water and a high-temperature mixed gas output from the reforming chamber; the reformer is provided with the reforming chamber and an electric heater, and the electric heater provides heat energy for the reforming chamber; and the high-temperature mixed gas which takes carbon dioxide and hydrogen as main parts is prepared in the reforming chamber, passes through the heat exchanger and then enters the separation device to be separated to obtain the hydrogen, and the hydrogen is delivered to the fuel cell and subjected to electrochemical reaction in the fuel cell to generate electric energy, a part of the electric energy provides electricity for the delivery pump and the electric heater, and the rest of the electric energy is output. According to the electric generator, the reformer has no need of being provided with a combustion chamber, an air inlet fan, an air inlet channel and a smoke window, the heating temperature inside the reformer is easily controlled and stable, and the reformer is simple in structure, stable in operation and low in overhaul difficulty.

An exemplary device and method for microfluidic transport is disclosed as providing inter alia a passive check valve (100), a fluid inlet channel (210), a fluid outlet channel (220) and a pumping cavity (240). The fluid inlet channel (210) is generally configured to flow a fluid through the check valve (100). The check valve (100) generally provides substantially passive means for preventing or otherwise decreasing the incidence of purged outlet fluid re-entering either the pumping cavity (240) or the fluid inlet channel (210). Accordingly, the reduction of backflow generally tends to enhance overall pumping performance and efficiency. Disclosed features and specifications may be variously controlled, adapted or otherwise optionally modified to improve micropump operation in any microfluidic application. Exemplary embodiments of the present invention representatively provide for substantially self-priming micropumps that may be readily integrated with, for example, existing portable ceramic technologies for the improvement of device package form factors, weights and other manufacturing and/or device performance metrics.

An ink container for an ink jet printer adapted to supply ink via a tube to an ink jet cartridge. The cartridge includes a bottle, a cap engaging the bottle to form an ink containing cavity, an ink exit channel from the ink containing cavity through the cap, an air inlet channel through the cap into the ink containing cavity, and an air entrance opening from the air inlet channel into the ink containing cavity. The air entrance opening has a perimeter to area ratio that is greater than 2/R where R is the equivalent radius of the air entrance opening. This perimeter to area ratio (or shape factor) allows for easy formation and break off of bubbles at the air inlet channel. If such bubbles remain attached to the air inlet opening they can prevent some of the ink in the container from flowing therefrom for printing.

A turbine blade includes an airfoil having opposite pressure and suction sidewalls joined together at opposite leading and trailing edges and extending longitudinally from root to tip. A plurality of independent cooling circuits are disposed inside the airfoil correspondingly along the pressure and suction sidewalls thereof. Each circuit includes an inlet channel extending through the dovetail. One of the circuits includes multiple longitudinal channels separated by corresponding perforate partitions each including a row of impingement holes for cascade impingement cooling the inner surface of the airfoil.

A pneumatic motor driving valve of a screw nail gun has a driving valve for control the pneumatic motor to be operated steadily. A downward pressing spring is installed around an outer wall of the cylinder of the gun body and an annular control valve is installed around the outer wall of the cylinder so that the annular control valve presses the downward pressing spring for actuating of the opening of the air inlet valve of the air inlet channel of the pneumatic motor. An annular control valve around an outer wall of the cylinder can accumulate the pressure in the gun body to a predetermined value so as to open the driving valve. Thereby, the pneumatic motor can provide a larger stable twisting force to beat and rotate a screw nail.

An inkjet printhead integrated circuit includes a silicon wafer substrate that defines a plurality of ink inlet channels. An electrical drive circuitry layer is positioned on the silicon wafer substrate for connection to a suitable microprocessor. A plurality of replicated nozzle arrangements is positioned on the substrate to receive an enabling signal from the microprocessor. Each nozzle arrangement has nozzle chamber walls and a roof positioned on the nozzle chamber walls to define a nozzle chamber in fluid communication with a respective ink inlet channel with the roof defining an ink ejection port in fluid communication with the nozzle chamber and a recess about the ink ejection port to inhibit ink spread.

An integrated motorized pump (1) comprising an impeller (2) mounted on an axle (3), two magnetic drives (6) electromagnetically coupled to an electric motor (7), a casing (8) with a flowing space (9), an inlet channel (10) and an (11). The impeller (2) has circumferential arrayed magnetic means (13) magnetized in the direction parallel to the axle (3). The electric motor (7) comprising said impeller (2) as a rotor, and two stator plates (20). The stator plates (20) are covered with a liquid tight coating and comprise circumferential arrayed coils (21) etched on circuit board metal layers (22). Each magnetic drive (6) comprises a stator (14) with circumferential arrayed coil windings (16) and two magnetized disks (15). The magnetized disks (15) are mounted on the axle (3) perpendiculary to it and have a circumferential carry of radially extending poles (17).

The invention discloses a washing method and a washing machine for adding detergents automatically under negative pressure. The washing machine comprises a water inlet, a detergent container and a washing barrel, wherein two water inlet channels are formed between the water inlet and the washing barrel, namely a main water inlet channel and a water cleaning channel; a constant volume container is arranged between the water cleaning channel and the washing barrel, and is communicated with the detergent container; a Venturi tube is arranged in the main water inlet channel; thick main water inlet flow is changed to thin main water inlet flow by utilizing the principle of a Venturi effect, and the water inlet flow speed is accelerated, so that a relative vacuum area is formed on the rear side of an outlet of the Venturi tube; and the relative vacuum area is communicated with the constant volume container, so that the constant volume container pumps the detergents in the detergent container communicated with the constant volume container to constant volume container under the negative pressure. By the washing method, the proper amount of detergents are added automatically under the negative pressure generated by the water flow on the premise that the washing effect is not influenced, the structure is simple, and the washing efficiency is improved.

A valve for flowing gaseous fuel, i.e., natural gas or propane gas, to an internal combustion engine includes a valve body having an inlet passage and first and second outlet paths in parallel with one another and in flow communication with the inlet passage. A plug-type adjustment member is threaded into the body and an annular seat in the body coacts with the adjustment member to form an orifice in the first outlet path. A stop mechanism limits movement of the adjustment member between a first position at which the orifice area is smaller and a second position at which the orifice area is larger. The valve permits adjustment of fuel flow to small engines so that such engines provide maximum power without exceeding applicable emission standards. And the valve is tamper-resistant.

An electric water heater controlled by a water flow switch comprises a shell, a water tank, an electric heating tube, a water inlet tube, a water outlet tube, the water flow switch, a gear switch, a button switch and the like, wherein the water flow switch has a water flow pushing structure and consists of a main body, a cover plate, a sealing piece, a pushing piece, a spring or a spring plate, a mounting cover plate, a microswitch, a static contact, a movable contact, a terminal and a pushing pin of the microswitch; a water inlet channel and a water outlet channel are not directly communicated with each other and are separated from each other by the cover plate; when water flows, a circuit is switched on; when the water does not flow, the circuit is switched off; and the water flow switch is required to be matched with the gear switch; and when the water in the water tank is required to be pre-heated, the pre-heating button switch needs to be set.