167results about How to "Eliminate condensation" patented technology

Helmet systems and methods reduce the formation of vapor condensation within the helmet interior, and inhibit fogging of the helmet visor. Exemplary embodiments include a helmet shell having a venting tube, a visor coupled with the helmet shell, a humidity sensor that senses humidity within the helmet interior cavity, and a ventilation system that removes moist air from the helmet interior.

Described herein are environmentally isolated tissue culture devices that may be used for cell culture, as well as systems including these devices and methods for using them. These devices may include control features for regulating the micro-environment within a well or wells of the device. For example, on-board features may regulate the temperature, humidity, pH, media level, media composition, CO2 / O2 / N2 levels, drug concentration, cell density, byproduct (or product) production, and mixing of materials within the chamber. Material may be added to or withdrawn from the wells of the device without opening the device. Also described herein are controllers for analyzing and controlling the micro- environment within the well. Thus, the plates described herein may be used without requiring a separate incubator, allowing cells to be analyzed (e.g., imaged) continuously, allowing real-time reactions while monitoring under a microscope for hours, days or even weeks.

A reactant vapor distribution assembly for Chemical Vapor Deposition (CVD) apparatus which includes an upper flange which has a plenum disposed on its lower face and vapor injectors for injecting reactant vapors into the plenum. The distribution assembly also includes a lower flange having a peripheral rim surrounding a lower wall and a plenum on its upper face, certain of the vapor injectors are used to inject reactant vapors into this plenum. The lower flange includes fluid channels bored in the lower wall beneath the plenum and a number of gas flow openings bored in the lower wall of the lower flange to permit the precursor gases to flow from the plenum into the deposition chamber. The fluid channels may be used to heat or cool the flange. The lower flange has no welds or joints facing the hostile environment of the deposition chamber and all critical parts of the lower flange may be formed from a single billet of material.

The invention is directed to an oxygen sensor arrangement 8 for sensing the oxygen in a breathing loop 29 of a breathing apparatus 100. The sensor arrangement 8 comprises at least one primary oxygen sensor 30 arranged to operatively measure the oxygen in the breathing loop 29, and a control arrangement 40 for obtaining measures from said oxygen sensor. A test channel arrangement 15, 362 is adapted to operatively provide a first gas having a first fraction of oxygen from a first supply 20 to said primary oxygen sensor 30 at a position 267 adjacent to or directly adjacent to said primary oxygen sensor. A first test valve arrangement 41 is arranged to operatively open and close the flow of said first gas through said test channel arrangement 15, 362. Said a control arrangement 40 is arranged to operatively actuate said first test valve arrangement 41 so as to provide an amount of said first gas to said primary oxygen sensor 30 via said test channel arrangement 15, 362.

This invention provides a high throughput PECVD process for depositing TEOS films in a multi-station sequential deposition chamber. The methods significantly reduce the number of particles in the TEOS films, thereby eliminating or minimizing small bin defects. The methods of the invention involve dedicating a first station for temperature soak while flowing purge gas. Stopping the flow of reactant gas and flowing the purge gas for station 1 eliminates TEOS condensation on a cold wafer surface and significantly reduces the number of defects in the film, particularly for short temperature soaks.

A drinking vessel sleeve includes a sleeve side wall sheet having a first side wall sheet end and a second side wall sheet end and being coiled into a tubular sleeve configuration having a sleeve circumference so that the first side wall sheet end is radially spaced inwardly from the second side wall sheet end, and including an adjustment lever structure pivotally interconnecting the first and second side wall sheet ends and extending radially inwardly from the first side wall sheet end to define a lever tab portion; so that pivoting the lever tab portion toward the first side wall sheet end increases the sleeve circumference to receive a larger diameter vessel, and pivoting the lever structure toward the second side wall causes the second side wall end to overlap the first side wall end to decrease the sleeve circumference to receive a smaller diameter vessel.

Apparatus, systems and methods are disclosed for efficient elimination of door and frame condensation at widely utilized commercial freezer / refrigeration display cases. The apparatus includes a local controller unit connected with an array of case sensors including an internal case temperature sensor, an external case frame temperature sensor and a dew point sensor. The case frame temperature sensor and dew point sensor are housed to thermally isolate sensing elements thereof from effects of frame temperature changes and ambient air temperature in the vicinity of a sensing element, and to limit heat transfer by the housing to the sensing elements thereby improving sensing accuracy and apparatus performance.

A closed face motorcycle helmet includes a shell with an eyeport and a shield attached for hinged motion between a closed position covering and sealing the eyeport and an open position displaced above the eyeport. A hinge plate is attached to the shell on each side and includes a socket into which a hub of the shield is rotatably disposed for hinged movement of the shield. A lever assembly having a downwardly extending lever and a hub with two dowels is attached to the bottom of the hinge plate. The lever assembly is manually movable between a central home position, a forwardly rotated shield cracking position, and a rearwardly rotated shield restraining position. A motion plate is attached to a lower edge of the shield and covers the hub and dowels of the lever assembly when the shield is closed. Surfaces on the inside of the motion plate interact with the dowels of the lever assembly to provide multiple precision shield control functions. Specifically, flipping the lever forward cracks the shield slightly open to eliminate fog and flipping it rearwardly applies an additional restraining force to the shield preventing it from being blown open by aerodynamic forces, especially at high speeds. A live beam mechanism with micro detents interacts with a projection on the shield to provide fluid-like operation of the shield and the ability to position the shield at virtually any location between fully closed and fully opened.

A system and method of processing a substrate including loading a substrate into a plasma chamber and setting a pressure of the plasma chamber to a pre-determined pressure set point. Several inner surfaces that define a plasma zone are heated to a processing temperature of greater than about 200 degrees C. A process gas is injected into the plasma zone to form a plasma and the substrate is processed.

The invention discloses an air conditioning system and a condensation preventing control method and device for a refrigerant radiating pipe of the air conditioning system. The condensation preventingcontrol method comprises the following steps that a current operation mode of the air conditioning system is obtained, and the temperature of the refrigerant radiating pipe and the dew point temperature of air around a frequency conversion module are obtained; the condensation extent of the refrigerant radiating pipe is obtained according to the temperature of the refrigerant radiating pipe and the dew point temperature of the air around the frequency conversion module; and the opening degree of an outdoor throttling element, the opening degree of an indoor throttling element, the air speed ofan outdoor fan and the operation frequency of a compressor are adjusted according to the current operation mode of the air conditioning system and the condensation extent of the refrigerant radiatingpipe so that condensation on the refrigerant radiating pipe can be removed. Through the method, the condensation on the refrigerant radiating pipe can be removed, the situation that condensed water enters an electric control mainboard, and consequently the electric control mainboard is burned out is prevented, and accordingly, the effect that the system operates safely and reliably can be ensured.

The invention provides a cold water unit based on independent humidity control and an air treatment method thereof, relating to the cold water unit which is capable of achieving the independent humidity control and uses floor radiation to undertake an indoor sensible heat load, wherein refrigerant enters a condenser for condensing after being compressed in and discharged from a compressor, enters a reservoir after being condensed into liquid, is filtered via a filter, is out of the filter and enters a first evaporator after being throttled and decompressed via a first electronic expansion valve and changed into gas-liquid two-phase, and is performed with a heat exchange with chilled water in the first evaporator so as to absorb heat for evaporation and prepare high-temperature chilled water; the refrigerant is changed into overheating gas after being completely evaporated and enters into the compressor from a first suction end of the compressor, and is compressed and discharged once again; the refrigerant of the other path passes through a second electronic expansion valve, enters a second evaporator after being throttled and decompressed, is performed with the heat exchange with the chilled water in the second evaporator so as to absorb heat for evaporation and prepare low-temperature chilled water. In a circuit of the low-temperature chilled water, the chilled water is performed with the heat exchange with the refrigerant in the second evaporator to reduce the temperature.

The invention refers to a manufacturing method for selenide or sulfide of copper, indium or gallium. In the manufacturing process of copper, indium or gallium selenide and / or sulphur optical absorbing layer film, uses vacuum magnetism control splattering, heating and evaporating method or chemical water bath electrodeposition method to deposit a metal preprocessed layer with chemical formula proportion of Cu, In, Ga on the natrium calcium glass Mo substrate, then carries on optical selenide or / and sulfide reaction in the thermal process vacuum room, the character lies in: the battery base board deposited with the preprocessed layer are heated upon the two surfaces, the back surface of the base board is heated with contacting heat reservoir, the surface coated with metal preprocessed layer is heated with light irradiation, when the temperature rises to the 400-560oC evenly and quickly, carries on the cooperative heating with contacting heat reservoir and light irradiation to the selenium source or the sulphur source, makes the metal preprocessed layer converted into the compound semiconductor photoelectric film material.

An air handler draws air from inside a building, optionally from a building space heating system, and expresses that air such that the air travels along the inside surface of a window glazing unit which is susceptible to condensation. The air can be expressed at ambient temperature or with a modest amount of supplemental heat. As the air is expressed onto the window, a convection curtain of relatively warmer air passes adjacent the inside surface of the glass, warming the glass enough that condensation does not form on the glass. The system can be controlled using a sensor, optionally controlled by a computer or other controller, which controls the air flow according to needs sensed at the window. Such computer can be used to provide individualized control of condensation on each of multiple windows. A blower may be used to achieve increased control of rate and persistence of air flow.

The invention relates to a fresh air ventilator provided with a heat exchange function. The fresh air ventilator comprises an air mixing chamber in a total heat fresh air ventilator, a fresh air inlet and a fresh air outlet which are communicated with the air mixing chamber, a stepping motor used for opening or closing an air mixing air valve, a controller, a temperature sensor and the like; an independent indoor and outdoor temperature detection sensor and an air mixing air valve module controlled by the independent indoor and outdoor temperature detection sensor are arranged in the fresh air ventilator, wherein the air mixing air valve module is jointly controlled by an indoor temperature sensor, an outdoor temperature sensor and the controller, and is also controlled by a function of an air mixing module in the controller; indoor fresh air introduced outdoors is heated through starting the air mixing air valve according to the detected indoor and outdoor temperature by the fresh air ventilator; due to the adoption of the fresh air ventilator, so that unfavorable conditions, such as condensation, icing and the like caused by the reason that the temperature of a heat exchange core body is lower than the air dew point temperature when the fresh air is introduced in a cold zone can be effectively avoided, and an applicable temperature range of the fresh air ventilator can be greatly expanded.

The invention relates to a modified material film of a micropore film composite nonwoven fabric for waterproof dustproof acoustically transparent expanded polytetrafluoroethylene (PTFE) and a preparation method thereof. The modified material film comprises a micropore film layer of an expanded PTFE, one or more layers of nonwoven fabrics compounded and connected with the micropore film layer surface of the expanded PTFE; the modified material film can protect a loud speaker, a microphone, an alarm and the like while keeping the tonal quality of an apparatus, further prevents common liquids such as beverage, beer, coffee and the like, and can tolerate the water soaking; the protection level can achieve IP67; the dewing phenomenon in the loud speaker, the microphone and the alarm can be eliminated; the capability of tolerating the environment temperature change is improved, the shell design difficulty and the manufacturing cost are reduced, the cold flow property of the micropore film of the expanded PTFE is solved, and the processability is improved; the modified material film can be manufactured as dustproof waterproof venting acoustically transparent bolts, pasters and other ready-to-use components with a series of standard venting product sizes for the loud speaker, the microphone, the alarm and the like; and therefore, the design application is convenient.

A dynamic pressure probe for a combustor comprising a holder body having a pressure sensing passage; a pressure sensor and a pressure chamber located in a housing portion arranged substantially perpendicularly to the pressure sensing passage; and wherein the pressure chamber communicates with the pressure sensing passage via a relatively small aperture in a wall separating the pressure chamber from the pressure sensing passage.

Helmet systems and methods reduce the formation of vapor condensation within the helmet interior, and inhibit fogging of the helmet visor. Exemplary embodiments include a helmet shell having a venting tube, a visor coupled with the helmet shell, a humidity sensor that senses humidity within the helmet interior cavity, and a ventilation system that removes moist air from the helmet interior.

A foam controlling system uses electromagnetic energy to cut foam on the surface of a solution or liquid in a processing tank into at least two portions prior to the foam propagating and reaching the perimeter of the tank such that currents within the solution or liquid dissipate at least one of the foam portions. A purging fluid is provided to a laser head unit of the foam controlling system to reduce the dew point therein and thereby reduce or substantially eliminate undesirable condensation that could otherwise cause adverse optics contamination. Advantageously, the versatility and simplicity of the foam controlling system as well as its adaptability to various manufacturing formats makes the system an economical full plant solution.

An improved rotary engine system has two stationary buffer seals located at the two ends of the minor axis of a rotor housing that divide the rotor housing into two separate volumes. A first volume is an intake and compression volume and a second volume downstream to the first volume is an expansion and exhaust volume. A rotating combustion chamber flow control device (CCFC) is synchronized with a rotor, for receiving compressed fluid from the first volume, for receiving fuel injected by a fuel injector located within a corresponding CCFC, for igniting and burning an air-fuel mixture, to allow combustion products to expand in the second volume, and for transferring the combustion products to the second volume. In one embodiment, the CCFC is synchronized with two longitudinal shafts fitted at centers of first and second housings, respectively, in each of which are located a pair of side by side rotors.

The invention provides a power distribution comprehensive monitoring device suitable for power systems, the device includes a central processing unit, an AC sampling module, a temperature measurement module, a condensation measurement module, a reactive power compensation output module, a relay output module, a communication module, a storage module, man-machine interface module. The AC sampling module, the storage module, and the man-machine interface module are respectively connected to the data bus of the central processing unit, and are controlled by the central processing unit; the temperature measurement module and the condensation measurement module are connected to the input port of the central processing unit; reactive power The compensation output module and the relay output module are connected to the output port of the central processing unit; the communication module is connected to the communication port of the central processing unit. In addition to conventional electric parameter acquisition and reactive power compensation functions, the device also has temperature and humidity measurement and control functions.

An all-digital intelligent temperature and humidity control dehumidification system is arranged in a housing of a cabinet of an electrical device and comprises a heater, a dehumidifier, a controller which is connected with and control the heater and the dehumidifier, and a temperature and humidity sensor communicated with the controller. According to the all-digital intelligent temperature and humidity control dehumidification system, the temperature and humidity sensor is used for continuously measuring the change of relative humidity and temperature in the cabinet, the controller is used for automatically controlling the start and stop of the dehumidifier and the heater, and the heater is started for working in matching when the temperature is low, so that the system can work at a wide temperature range stably, the air humidity in the cabinet can be ensured to be maintained at a reasonable range, the humidity in the cabinet of the electrical device can be effectively reduced, the condensation in the cabinet of the electrical device can be effectively eliminated, all kinds of accidents caused by damp can be prevented, and the energy efficiency is obtained; meanwhile, the dehumidifier serves as the core, the heater and the ventilation design are used for auxiliary dehumidification, and self-test and protection functions are arranged, so that the safety of the operation of the device can be effectively improved.

The Invention is directed to an oxygen sensor arrangement (8) and a method for operating such an arrangement for sensing the oxygen in a breathing loop (29) of a breathing apparatus. The sensor arrangement comprises: at least one primary oxygen sensor (30) arranged to operatively measure the oxygen in the breathing loop (29), at least a secondary oxygen sensor (31) arranged to operatively measure the oxygen in the breathing loop (29), and a control arrangement (40) for obtaining measures from said oxygen sensors. A test channel arrangement (15, 48) is adapted to operatively provide a first gas having a first fraction of oxygen from a first gas supply (16) to said primary oxygen sensor (30) at a position (267) adjacent to said primary oxygen sensor (30). At least a first test valve arrangement (41, 42) is arranged to operatively open and close the flow of said first gas through said test channel arrangement (15, 48). Said control arrangement (40) is arranged to operatively actuate said first test valve arrangement (41, 42) so as to provide an amount of said first gas to said primary oxygen sensor (30) via said test channel arrangement (15, 48). Said control arrangement is arranged to operatively obtain measures from said primary (30) and secondary (31) oxygen sensors.

The invention relates to a device for ilmenite concentrate microwave drying and an application thereof, and belongs to the application field of microwave heating technology. The device for ilmenite concentrate microwave drying structurally comprises three sections of microwave heating devices, and the three sections of the microwave heating devices are arranged in a straight line mode, connected in an end-to-end mode and distributed in a stepped mode; every section of the microwave heating device comprises a belt conveyer and a microwave heating cavity, and the belt conveyer penetrates through the microwave heating cavity; and one end of the microwave heating device on the highest step is provided with a vibratory feeder, and the microwave heating device on the lowest step is provided with a discharging device. The application method of the device for ilmenite concentrate microwave drying comprises firstly adjusting the belt rotating speed, the air exhausting quality of air exhausting air ducts and the different microwave power of the three sections of the microwave heating devices, then laying the ilmenite concentrate on belts through the vibratory feeder and adjusting the thickness of the ilmenite concentrate through a material layer baffle, and finally obtaining dried ilmenite concentrate with a water content less than 1wt% (weight percentage) from the discharging device of the microwave heating device on the lowest stage. According to the device for ilmenite concentrate microwave drying and the application method thereof, an efficient and clean drying method under the conditions of long distance, high load and large flow is obtained.

A displacement ventilation, low noise level, mixed air, HVAC system for ventilating a commercial or educational facility. The system includes a central HVAC air handling unit containing first and second duct works for receiving and transmitting conditioned air to rooms of the facility. Additionally, the system includes at least one air displacement terminal housing for delivering conditioned air to the room, where the air is delivered through an outlet in proximity to the floor of the room in a displacement manner.

The invention relates to a method and an apparatus for utilizing microwave energy to dry materials (optionally with sterilization) by the direct application of bifurcated out-of-phase microwave energy.

A compact gas fired steam generator comprises a water tank with designated steam separation zone, boiling zone and a solids separation zone, a burner for burning gaseous fuel with air for producing combustion products and a flat tubular type heat exchanger immersed in water in the water tank. The combustion products are passing through the heat exchanger in an indirect heat transfer relationship with water in boiling zone thereby boiling, circulating and evaporating the water in boiling zone and in an indirect heat transfer relationship with cold make up water passing upwardly through solids separation zone thereby preheating cold make up water and cooling combustion products and recovering latent heat and condensing moisture present in combustion products. The cooled combustion products are discharged to outdoors and the collected condensed moisture is discharged to drain. The produced steam is separated from the boiling water in steam separation zone, the solids present in the boiling water are separated from the circulating boiling water and accumulated in solids separation zone and the accumulated solids are cooled by the incoming cold make up water and intermittently discharged from solids separation zone by a water pump together with the incoming cold make up water to drain. The high rate internal circulation of boiling water, the extended self cleaning heat transfer surfaces of the flat tubular type heat exchanger immersed in the boiling water, the recovery of latent heat from flue gases and the discharge of cooled solids with cold make up water provide an exceptionally compact steam generator with overall thermal efficiency of up to 95% and with maintenance free unattended operation. The compact steam generator can be used in humidifying of space air in buildings, in heating of air in domestic central air heating systems and in industrial processes requiring clean steam.

A closed face motorcycle helmet includes a shell with an eyeport and a shield attached for hinged motion between a closed position covering and sealing the eyeport and an open position displaced above the eyeport. A hinge plate is attached to the shell on each side and includes a socket into which a hub of the shield is rotatably disposed for hinged movement of the shield. A lever assembly having a downwardly extending lever and a hub with two dowels is attached to the bottom of the hinge plate. The lever assembly is manually movable between a central home position, a forwardly rotated shield cracking position, and a rearvardly rotated shield restraining position. A motion plate is attached to a lower edge of the shield and covers the hub and dowels of the lever assembly when the shield is closed. Surfaces on the inside of the motion plate interact with the dowels of the lever assembly to provide multiple precision shield control functions. Specifically, flipping the lever forward cracks the shield slightly open to eliminate fog and flipping it rearwardly applies an additional restraining force to the shield preventing it from being blown open by aerodynamic forces, especially at high speeds. A live beam mechanism with micro detents interacts with a projection on the shield to provide fluid-like operation of the shield and the ability to position the shield at virtually any location between fully closed and fully opened.