46results about How to "Increase airflow rate" patented technology

A liquid atomizing device for dispensing liquid droplets includes a container for holding a liquid, the container having a porous wick positioned to communicate the liquid from the container, and an orifice plate with apertures, the orifice plate being vibrated by a piezoelectric element to cause liquid communicated from the container to be atomized and dispensed as liquid droplets through the apertures. The device employs a unique placement and design of heaters or fans to promote evaporation and dispersion of the atomized liquid while the liquid is airborne.

An external counterpulsation apparatus has an efficient cuff and bladder system. Embodiments of this system generally allow effective treatment at lower pressures and a reduced total body surface area being compressed. An accurate and reliable combination of automatic and preset timing for inflation and deflation of the bladder system is used to simplify use of the apparatus.

Methods and devices for treating nasal airways are provided. Such devices and methods may improve airflow through an internal and / or external nasal valve, and comprise the use of mechanical re-shaping, energy application and other treatments to modify the shape, structure, and / or air flow characteristics of an internal nasal valve, an external nasal valve or other nasal airways.

A method of generating an aerosol in an aerosol-generating system includes storing liquid aerosol-forming substrate in a liquid storage portion and delivering via a pump a liquid aerosol-forming substrate from the liquid storage portion to an atomizer. The method also includes sensing a puff via a a puff sensor in an airflow path of the aerosol-generating system and determining a puff intensity during the puff via a controller. The delivery flow rate of the liquid aerosol-forming substrate to the atomizer is adjusted in response to the determined puff intensity.

An automotive alternator according to the present invention includes: a shaft having an end portion rotatably supported by a rear bearing housed inside a rear bearing housing portion of a rear bracket; a rectifier for converting an alternating current into a direct current; and a first centrifugal fan for cooling a rotor, a stator, and the rectifier by sucking in external air through a suction inlet in the bracket when the rotor rotates, the rectifier has a positive-side heat sink for cooling a plurality of positive-side diodes, the suction inlet is formed in a vicinity of the rear bearing housing portion, and a plurality of rear bearing cooling fins extending in a direction perpendicular to the shaft are formed on a side of the suction inlet near the rear bearing housing portion.

One embodiment comprises an apparatus with an evaporative unit for a refrigerant having a flow direction opposing the airflow direction and an adjustable airflow rate to utilize to produce both cold / dehumidified exit air and warmed exit refrigerant for high efficiency and to maintain an airflow sufficient to avoid freeze-up of evaporative unit or freeze-up to an extent that blocks the airflow. This may produce low humidity even when the room thermostat is set warm (e.g. 85 F) and 5%-30% lower A / C bills. Other embodiments comprise systems and methods related to the adjustable airflow. A further embodiment comprises a controller to adjust the humidity in an air-conditioned space to produce air, which is both temperature and humidity controlled.

A thermal airflow meter excellent in flow-rate measurement accuracy is provided. The airflow meter has a flow-rate measuring element comprising a heat resistor and a temperature-compensating resistor which are formed on the a first base member. A second base member of the airflow meter, provided with a drive circuit and a signal processor, is housed in a casing holding the flow-rate measuring element. The flow-rate measuring element is disposed in an air passage. Of two temperature sensors for measuring temperature at each of two points in the thermal airflow meter, respectively, a first temperature sensor is provided on the fist substrate of the flow-rate measuring element, and a second temperature sensor is provided inside the casing. The signal processor has a function of computing an airflow rate, an air temperature, and an air passage wall face temperature on the basis of an output signal of the flow-rate measuring element and respective output signals of the first and second sensors.

An electric pulse counter for counting and recording the number of insects killed in a commercial insect electrocutor through an on-site field server is disclosed. The pulse counter is configured of field servers 100, an internet 40, an administrative computer 60, and user terminals 50. An insect electrocutor 20 is positioned near each of the field servers 100 for attracting insects present in the agricultural region and killing them by electrical discharge. An electromagnetic detection coil 10 is disposed above or around the insect electrocutor 20 for detecting changes in the electromagnetic field caused by such electrical discharges. An AC signal converter circuit 30 is disposed in each field server 100 and connected to the lead wire of the corresponding electromagnetic detection coil 10 for generating a digital count pulse from the signal outputted by the electromagnetic detection coil 10. The count pulse is accumulated in a storage unit 4 in the field server and the accumulated value is transmitted to the administrative computer 60 in response to a request therefrom. The administrative computer 60 functions as a Web server to provide this data to users via the Internet.

A connector includes a cage that has two side walls, a top cover and a rear wall that are combined to form a hollow enclosure. The enclosure is separated into two module-receiving bays by at least one spacer with a top and bottom wall that extends between the sidewalls to form a central portion between a top and bottom bay, the central portion acting as an air passage between a front face and the sides of the connectors. Air openings are formed in the sidewalls of the cage assembly and they communicate with the central portion. The bottom wall of the spacer is provided with a large opening that extends a substantial distance of module-receiving bay and provides an air flow path from the air openings to the bottom module-receiving bay. An insert with apertures in communication with the central portion can be positioned.

A portable air blowing appliance has a housing retaining a blower adapted when energized to create an airflow through and from the housing, and a heating element adapted when energized to impart heat to the airflow. A movable deflector selectively steers the airflow either though or not through the heating element. In the exemplary embodiment shown, the blower is, in combination, a motor-driven centrifugal blower rotatable about a blower axis to create the airflow, and a scroll surrounding the blower wheel and adapted to direct the airflow from the blower wheel forwardly from the housing. In this exemplary embodiment, the deflector is movable about a pivot axis perpendicular to the blower axis between a heating position wherein the airflow is steered through the heating element and a cooling position where the airflow is steered not through the heating element.

The invention provides a solar energy drying device suitable for vegetable seeds. The solar energy drying device comprises a bottom plate, a drying chamber, solar panels, a rotary shaft, stirring rods, an air inlet pipe and traveling wheels. The solar energy drying device is characterized in that a support, a controller and a storage battery are arranged on the bottom plate; the drying chamber is arranged on the support; the outer wall of the drying chamber is provided with a motor, a feeding port and a discharging port; a bearing is arranged on the inner wall of the drying chamber; the solar panels are arranged on the support; one end of the rotary shaft penetrates through the drying chamber to be connected with the motor, and the other end of the rotary shaft is arranged in the bearing; fixing blocks are arranged on the rotary shaft; the stirring rods are arranged on the fixing blocks; exhaust holes are formed in the stirring rods; the air inlet pipe is connected with the rotary shaft; the traveling wheels are arranged on the bottom plate; and lock catches are arranged on the traveling wheels. According to the solar energy drying device suitable for the vegetable seeds, solar energy serves as power, the application range of the drying device is widened, energy is saved, environment friendliness is achieved, and the drying efficiency of the vegetable seeds is improved.

The invention relates to the technical field of bridge maintenance, and discloses a high-pressure grouting device for bridge bottom reinforcement under high temperature environment, Including groutingchamber, Slurry inlet pipe, slurry guide pipe, casing, surge chamber, breathable diaphragm, pressure regulator, Two cooling mechanisms, a metering chamber, a slurry outlet pipe and a circulation hole, wherein the slurry inlet pipe is fixedly communicated with the left end of the slurry injection chamber, the slurry guide pipe is fixedly communicated with the right end of the slurry injection chamber, the sleeve is fixedly sleeved on the outer surface of the slurry inlet pipe, the surge chamber is fixedly sleeved on the outer surface of the sleeve and the slurry guide pipe, and the air permeable diaphragm is fixed on the middle of the top wall of the slurry injection chamber. The air pressure in the grouting chamber can be dredged from the two exhaust holes, the air intensity difference inside and outside the grouting chamber can be reduced, the grouting chamber can be prevented from cracking due to the larger pressure difference, the airflow flow rate between the grouting chamber andthe surge chamber can be accelerated, the temperature on the outer surface of the grouting chamber can be rapidly evaporated, and the effect of lowering the temperature of the grouting chamber can beachieved.

An automotive alternator according to the present invention includes: a shaft having an end portion rotatably supported by a rear bearing housed inside a rear bearing housing portion of a rear bracket; a rectifier for converting an alternating current into a direct current; and a first centrifugal fan for cooling a rotor, a stator, and the rectifier by sucking in external air through a suction inlet in the bracket when the rotor rotates, the rectifier has a positive-side heat sink for cooling a plurality of positive-side diodes, the suction inlet is formed in a vicinity of the rear bearing housing portion, and a plurality of rear bearing cooling fins extending in a direction perpendicular to the shaft are formed on a side of the suction inlet near the rear bearing housing portion.