96results about "Reconditioning breathing air" patented technology

In an air sterilization system that includes a UV kill chamber for sterilizing air that is to be supplied to users, the effectiveness of killing or neutralizing pathogens is increased by including not only a UV light source of a certain intensity but also including a particle filter and providing short duration high intensity UV radiation. In the case of a user specific system that includes a face mask to supply air to a specific user, exhaled air from the face mask may be sterilized as well, either by using the same kill chamber or by using a separate kill chamber.

A portable sterilization apparatus that includes a face mask connected to a kill chamber having an ultraviolet source to destroy biological contaminants such as viruses, bacteria and fungi in air supplied to the mask, further includes a disposable particle filter in the kill chamber for filtering out particulates prior to irradiating the air with UV light, and in the case of a mercury vapor lamp UV source, a quartz sleeve surrounding the lamp. Valves are included in the face mask to limit carbon dioxide exhalation back into the kill chamber and to facilitate exhalation of air to the atmosphere.

A photocatalytically active titanium dioxide film may be applied onto surfaces of a variety of objects to oxidize matter that comes into contact with those surfaces. Various methods may be used to apply a solution of the photocatalytically active nanoparticles onto surfaces receiving regular human contact or proximate to human presence. An inorganic primer layer may be initially applied to an organic substrate, such as food, plants, flowers and foliage, to prevent the photocatalytically active coating from oxidizing the organic substrate.

A hand-held rebreather / breathing apparatus for high altitude pre-acclimatization and training. Air exhaled by a user is directed to a reservoir bag for cooling and condensate collection. At inhalation negative pressure created a mixing chamber forces the air stored in the reservoir bag to pass via CO2 absorption chamber where it may be mixed with a fresh portion of the ambient air that influxes via orifice(s) communicating with this chamber. Baseline of the minimum oxygen concentration in inspired air can be pre-set by means of adjustment of the maximum volume of the reservoir bag and / or by means of altering of the number or diameter of one or a plurality of orifices for commination of the ambient air. Biofeedback may be provided by an oxygen monitor.

An air cleaner of the present invention, wherein an inlet port 4 and an outlet port 5 are formed and provided with air blower means 1 therein, an antiallergenic filter having an aromatic hydroxyl compound is installed in the air flow passage of the air blower means 1 in a main body 2, and the inlet port 4 formed in the main body 2 is provided at the lower part of the front panel, such that the suction air flow may be formed along the floor plane 3, whereby pollen and dead mites, and the like, which are present in a vicinity of a floor plane 3 can be efficiently sucked to inactivate allergic activity. A treating solution of the present invention is characterized in that it is prepared by dissolving and / or dispersing a water-soluble material and a water-insoluble material in a mixed solvent of water and a cellosolve and / or a carbitol. A method of manufacturing functional filter according to the present invention is characterized in that the treating solution above is adhesion fixed to the filter base material. A functional filter according to the present invention is characterized in that it is manufactured by the above method of manufacturing. A device according to the present invention is characterized in that the functional filter of the present invention is disposed between the inlet port and the outlet port for air or water. An air cleaning filter of the present invention is characterized in that two or more materials selected from a material having antiallergenic properties, a material having antibacterial properties, a material having antivirus properties, and a material having antifungal properties, are adhesion fixed. A device of the present invention is characterized in that the filter of the present invention is disposed between the inlet port and the outlet port for air.

The invention discloses an automobile indoor air quality monitoring system and method. the system comprises car body controller connected to power supply through ignition switch, air conditioning unit, anti-theft loudspeaker, trouble alarm lamp located at the input terminal of the car body controller and connected to at least two air sensing unit for observing and measuring air quality in and out the automobile, and output terminal connected to anion generator, ozonizer, and oxygen generator control valve. Car body controller observes and measures air quality in and out the automobile through the air sensing unit, performs contrast to judge whether unlocking anion generator, ozonizer, and indoor air extrinsic cycle or not, performing dust filtration to the outer air. The system has autocycle monitor supervision and gaseous exchange functions.

Portable, rapidly deployable filter unit for use in air filtering methods providing high efficiency filtration of airborne toxins. The filter unit includes a fan section and a filter section that are releasably attachable at their respective lateral ends permitting the filter unit to be reconfigurable to properly handle a variety of threat scenarios involving protecting the occupant(s) and equipment in an enclosure against an airborne release of toxic chemical, biological, or radiological agents that threaten to contaminate the air supply, or, alternatively, for decontaminating the air of an isolation room occupied by contaminated or contagiously ill persons or materials and protecting the occupants or equipment located outside the isolation room.

A closed-in compartment air cleaning system and a control method thereof are disclosed, wherein the system id composed of three subsystems: a main air cleaning system, namely called as the adsorbing air cleaning system; a vice air cleaning system, namely called as the catalytic combustion air cleaning system; a linking combinatorial system, also called as the desorption reproduction system, having the advantages of combining the adsorption, the desorption, the catalytic combustion, to integrate the closed-in compartment air cleaning perfect system. The system adopts PLC microcomputer planed as a whole to control each link, which is of high efficiency, energy saving, environmental protection and sanitation. The air cleaning system and the control method can be designed into the air cleaning device with different specification according to the requirement, which can be used in the nuclear submarine, the AIP submarine, the conventional submarine, the manned spacecraft, the underground anti-aircraft defense and the air cleaning process of the air standard plant, and is an ideal closed-in compartment air cleaning system and a control method.

An emergency elevator includes a door frame installed on upper, left and right sides of an entrance of an elevator platform, an elevator car configured to vertically move along an elevator passage and provided with a pair of elevator doors, a pair of platform doors installed in the door frame, a lower frame installed on a lower side of the entrance of the elevator platform and configured to slidably support the platform doors, an upper door rim installed on an upper side of the platform doors, a side door rim vertically installed at a lateral end of the platform doors, an oxygen supply device configured to supply oxygen to a patient in the elevator car, an emergency ventilation device configured to supply a purified air into the elevator car, and a filter device provided in the blowing duct so as to remove harmful substances introduced into the elevator car.

The present invention provides an air treatment unit including a module power socket; an air treatment duct having an interior defining an air path; and an ultraviolet light module that selectively engages the air treatment duct, the ultraviolet light module including a housing having a baffle; an integral ultraviolet light source and light source socket, the ultraviolet light source being fixed to and extending through the baffle; and a connector that selectively mates with the module power socket, the connector being in power transmissive communication with the light source socket, wherein, when the ultraviolet light module selectively engages the air treatment duct and the connector selectively mates with the module power socket, the ultraviolet light module cannot be fully removed from its engagement with the air treatment duct without disconnecting the power.

The present invention relates to a fire-proofing life-saving toilet, belonging to the field of civil engineering fire-proofing life-saving technology. It includes toilet masonry, door, window and air-changing fan. It is characterized by that in the toitet masonry interior an oxygen gas / air mixing pressure machine connected with oxygen gas / air pipelines is mounted, on the toitet wall a control panel is set, said control panel is communicated with said oxygen gas / air pipelines. On the described control panel an oxygen gas / air regulation valve, a pressure gauge and a face cover respirator opening door are set. Said invention also provides its concrete application method.

The invention discloses an oxygen automatic control system and method for a rescue capsule, and belongs to a gas automatic control system and method. Oxygen automatic control in the rescue capsule comprises the system and the method. The gas source apparatus of the system is sequentially connected with a gas pressure reduction apparatus and a gas flow velocity measuring feedback apparatus through a gas busbar, the gas outlet of the gas flow velocity measuring feedback apparatus is connected with an oxygen output solenoid valve; the signal output end of the gas flow velocity measuring feedback apparatus, together with the output end of an oxygen sensor, is connected with the input end of a master controller, the master controller is connected with a host computer, and the control output end of the master controller is connected with the oxygen output solenoid valve for randomly controlling the oxygen output solenoid valve; and the selection of the gas flow velocity measuring feedback apparatus enables a feedback loop to be formed during oxygen control. A fuzzy PID algorithm embedded in a system controller can realize adaptability to the time-varying characteristic of a system model so as to realize accurate oxygen supply. The selection of the gas flow velocity measuring feedback apparatus can realize a system oxygen dynamic time limit pre-estimation function.

An air purifier includes a filter, a compressor, an oxygen maker, an electromagnetic valve and a fan, and all of which are mounted in a case. The case has an inlet vent, an outlet vent, and a filtering member next to the outlet vent. The compressor comprises an air inlet and an air outlet. The air inlet of the compressor is connected to the filter, while the air outlet is connected to the oxygen maker. The oxygen maker comprises an air inlet connected to the air outlet of the compressor, an oxygen outlet connected to the electromagnetic valve, and a nitrogen outlet. The electromagnetic valve is connected to the fan. The fan is secured next to the outlet vent of the fan.

The invention discloses an oxygen feeder of vehicle, which comprises an oxygen inlet tube between the air filter and the air inlet of engine. Wherein, the oxygen inlet tube is through to the oxygen outlet of molecule screen oxygen maker; the compress pump of molecule screen oxygen maker via transmission device is connected to the output power of engine; the driving motor of molecule screen oxygen maker is powered by the direct-current output power resource of vehicle. Since the oxygen can be prepared from air at any time, the burning room has enough oxygen to fully burn the fuel oil at any time; especially at idle speed or low-speed state, it can reduce fuel pollution and supply fresh oxygen to driver. And it directly utilizes the power of vehicle, simplify the oxygen maker, and reduce the cost.

This invention relates to a vehicle safety device and its method. When there is a person caught in the car, through automatic sensing the interior of vehicles, such as: high temperature, low oxygen content, etc., in order to provide the necessary automatic processing, for example: using wireless communication module to inform the vehicle owner to the scene, using the vehicle anti-theft system to attract the attention of passers-by, opening gas / cooling unit or automatic under-waving vehicle windows for heat-radiating and gas-providing, so as to prevent or reduce the danger of the person caught in the car, especially infants, such as overheating or asphyxia to suffocate the person.

The invention relates to a life support system for a closed cabin. The life support system comprises an air purification device 1, an oxygen storage device 2, an oxygen source device 3, a waste gas collecting device 4 and a pressure bearing pipeline 5. The air purification device 1 comprises a primary-effect filter net 6, an efficient filtering device 7, a storage battery 8, a nitrogen-oxygen separation device 9, a draught fan 10, a hand shaking draught fan device 11, a photocatalysis module 12, an electrostatic adsorption module 13, an oxygen generating module 14, a negative ion generator module 15, an intelligent operation module 16, an air inlet 17 and an air outlet 18. The system is a self-circulation system and can monitor the index of indoor air in the absolutely-closed environment and automatically conduct purification and conversion according to the set index, and it is ensured that the healthy breathing environment can still be continuously created for 72 or more hours under the situation of outage.

The invention discloses a plateau public oxygen inhalation pavilion with a self-service consumption function. The pavilion comprises a pavilion body with a door, and the pavilion body is internally divided into an equipment room and an oxygen inhalation room through a middle partition wall, an oxygen generation module and a distribution box are arranged in the equipment room, and a control panel is arranged on the middle partition wall; the control panel is correspondingly connected with the oxygen generation module and the distribution box. The plateau public oxygen inhalation pavilion is widely arranged in public areas such as city areas, scenic spot doorways, tourist distribution centers and the like, the self-service oxygen inhalation can be provided for a tourist, the tourist do not need to carry an oxygen bag, an oxygen bottle and the like in the tour visiting process, and the sense of fear caused by oxygen deficit in the tour visiting process is also greatly reduced; and the symptom of altitude anoxia occurs to the tourist outdoors can be relieved, the urban public image in the plateau area can be promoted, and the development of the tourism industry can be promoted.

The lifesaving oxygen replenisher for emergency use of persons in condition of mine collapse includes one DC power source of accumulator; one electrolytic bath with anode and cathode connected electrically to the positive and negative poles of the DC power source, stopper carrying pull rod, oxygen output pipe, hydrogen output pipe and porous diaphragm; one water tank for supplying water to the electrolytic bath; and gas output pipelines. The lifesaving oxygen replenisher has simple structure, may be in different sizes and suitable for industrial production. It is used mainly for self-help of miners in emergency, and may be also used in hospital, household and anoxic environment to improve air quality.

A fireproof ascending / descending mobile apparatus includes a fireproof-material enclosure carrier device, a fireproof-material support device, a drive device, an uninterruptible power system, and a position controller. The drive device drives the fireproof-material enclosure carrier device to move on the fireproof-material support device and is arranged in the fireproof-material enclosure carrier device. The uninterruptible power system is electrically connected with the drive device and is arranged in the fireproof-material enclosure carrier device. The position controller is connected with the drive device to control a position of the fireproof-material enclosure carrier device and is arranged in the fireproof-material enclosure carrier device.

The invention provides an apparatus of oxygen supply for rail vehicles and the method of supplying oxygen and aims at the condition that a carriage has a low concentration of oxygen caused by thin air in plateau areas. The invention adopts an integral oxygen producing device and comprises air sending pipes which are connected with the inside of the vehicle through oxygen supplying pipes and auxiliary distributed oxygen supplying branch pipes according to the distribution of personal quota in the carriage. The whole environment of the inner of the carriage is provided with high concentrated oxygen, and oxygen supplying is available to all the passengers at the same time. The invention realizes an oxygen supply mode which combines the diffusion type of oxygen supply and the distribution type of oxygen supply. The produced oxygen can be distributed in the whole environment of the inner of the carriage uniformly, solving the oxygen inhalation requirement of all the passengers. The apparatus of oxygen supply for rail vehicles comprises the integral oxygen producing device in the inside of the vehicle, the oxygen supply pipes of the oxygen producing device, air the air sending pipes connected with the inside of the vehicle and the auxiliary distributed oxygen supplying branch pipes according to the distribution of personal quota in the carriage.

The invention discloses a temperature-reduction and dehumidification control device, which comprises a refrigerating plant, a fan drawer cabinet, an air inlet device, an air filter device, an exhaust fan and an exhaust path, wherein two ends of the exhaust path are respectively provided with a refrigeration vent and a refrigeration air outlet; the inner wall of the fan drawer cabinet is provided with an inner-wall vent; the refrigerating plant is arranged on one side of the fan drawer cabinet; one end of the refrigerating plant is communicated with the exhaust path via the inner-wall vent and the refrigeration air outlet; and the other end of the refrigerating plant is communicated with the exhaust path via the refrigeration vent. The temperature-reduction and dehumidification control device performs the action of refrigerating while purifying air; each drawer cabinet is independently filled with medicament for purifying the air, which is convenient to replace the medicament; according to the temperature-reduction and dehumidification control device, air purification and air refrigeration can be conveniently and simply switched; and the temperature-reduction and dehumidification control device is safe and reliable.

The invention belongs to the mine safety emergency rescue technology and relates to a mine movable rescue capsule and a rescue method. A capsule body of the mine movable rescue capsule comprises a transition cabin, a survival cabin and an equipment cabin which are connected in turn from front to back, wherein the front end of the transition cabin is provided with a transition cabin door; a middle cabin door is arranged between the transition cabin and the survival cabin; and an emergency cabin door is arranged at the rear end of the equipment cabin. As safety emergency rescue equipment, the mine movable rescue capsule provided by the invention can provide a closed survival space for miners failing to leave the mine in time in disasters; the capsule body is of a simple structure and has good strength and air tightness; and moreover, the internal equipment is reasonably arranged and distributed, the operation and use are convenient, and the use is safe and reliable, thereby effectively ensuring the personal safety in case of mine accidents.

An object of the present invention is to solve the problems in conventional art antigen exposure chambers, and specifically, to provide an antigen exposure chamber system capable of simultaneously exposing a large number of test objects in a chamber to a uniform antigen (pollen, mite or house dust, etc.) in all seasons. In order to achieve the above object, in an antigen exposure chamber system according to the present invention, an outdoor air is supplied via an outdoor air diffuser 2 provided in a ceiling surface of an exposure chamber 1 into the exposure chamber from the ceiling surface of the exposure chamber in a horizontal direction, a fan unit 15, including a supply port and a suction port, is provided in each of the four corners of the exposure chamber to provide a circulating flow of air flowing with circulation in the horizontal direction in the exposure chamber, an air exhaust port 4 is provided at a floor surface of the exposure chamber to exhaust an air from the floor surface of the exposure chamber, an antigen is supplied from an antigen supply device to the outdoor air diffuser provided on the ceiling surface so that the antigen is mixed with the outdoor air, and a uniform concentration antigen exposure is enabled by the circulating flow of air.

A system for providing air substantially free from radioactive and toxic contaminates to a nuclear reactor habitability area is provided. The system can include at least one emergency air filtration unit structured and operable to provide air free from radioactive and toxic contaminates to the habitability area. The system can additionally include at least one stored energy power source structured and operable to provide operating power to each emergency air filtration unit.

A mining air supply dust mask comprises a pneumatic connector, a dust filter, a valve, an air ducting hose, a mask main body, etc. The mask is suitable for being worn by fixed point operators such as heading machine drivers, command staff, pneumatic drill operators, or anchoring and shotcreting workers of a press-in type ventilation heading operation face of a mine. The pneumatic connector is installed on an air duct wall of a pressed-in air supply duct, and directs a part of fresh air current in the air duct into the air ducting hose in a state of being connected with the air ducting hose. The fresh air current passes through the dust filter, the valve, and the air inlet hoses of the mask main body and is finally directed to a respiratory cavity of the mask body to be supplied to the user. Two rows of air outlet apertures are formed in the lower part of the mask body for exhausting. While wearing the mining air supply dust mask, the operator only needs to appropriately adjust the opening amount of the valve to keep an appropriate positive pressure in the respiratory cavity of the mask, so as to prevent the outside air containing dust from entering the respiratory cavity of the mask, thereby efficiently protect health of the operator. The mask does not need compressed air and electric power, is safe and reliable, and does not need a pressure reducing valve or an oil filter. The mask has a simple structure, superior practicality and ideal dustproof effects and is convenient to operate.

An air replenishing fume hood includes a cabinet, a door set, an air replenishing unit and air guiding unit. The cabinet has an inner casing defining an operating chamber and having an air inlet and an air outlet. A side of the cabinet includes an operation window. A first air passage is formed between the inner casing and the cabinet. The door set includes an outer door leaf adapted to open or close the operation window, and an inner door leaf adapted to open or close the air inlet. An end of the air replenishing unit extends into an external space via an outdoor tube, and another end of the air replenishing unit is connected to the first air passage via an extension tube. The air guiding unit includes an end connected to the air outlet, and another end extending into the external space or a collection tank.

The invention relates to the field of building pile foundation engineering, in particular to an artificial dig-hole pile system. According to the technical scheme, the artificial dig-hole pile systemis characterized by comprising a hollow pile hole and a concrete pile casing arranged on the hole wall of the hollow pile hole; an annular mounting base is detachably arranged in the position, close to the bottom of the hollow pile hole, of the casing wall of the concrete pile casing; a circular protective plate is horizontally and fixedly arranged on the annular mounting base; the circular protective plate is provided with a receding port allowing materials to pass through; and a blocking door capable of being opened and closed is arranged at the receding port. The artificial dig-hole pile system provided by the invention has the advantage of improving construction safety of construction personnel in the pile hole.