4694results about "Human health protection" patented technology

A filter pack includes a filter construction and a sealing system for sealing the construction within a duct or housing. The filter construction has first and second opposite flow faces and is configured for a straight-through flow. The sealing system includes a frame construction and a compressible seal member. The compressible seal member is molded around a portion of the frame construction. The compressible seal member is sufficiently compressible to form a radial seal between and against the frame construction and a surface of a housing when the filter pack is inserted within the housing.

A filter pack includes a filter construction and a sealing system for sealing the construction within a duct or housing. The filter construction has first and second opposite flow faces and is configured for a straight-through flow. The sealing system includes a frame construction and a compressible seal member. The compressible seal member is molded around a portion of the frame construction. The compressible seal member is sufficiently compressible to form a radial seal between and against the frame construction and a surface of a housing when the filter pack is inserted within the housing.

A compact, portable weather station for predicting local extreme weather conditions and for reporting remote weather conditions. The weather station has sensors for determining local temperature, barometric pressure, humidity, ambient light, and ambient static charge. A microprocessor has memory for storing data relating to past weather conditions and data processing apparatus and algorithms for determining probable developing weather conditions responsive to sensed local conditions. The weather station has a radio receiver for communicating with global weather reporting communications systems utilizing cellular communications. Operating commands, predicted local weather conditions, and remote weather conditions are annunciated in synthesized voice in any one of a variety of predetermined languages. The weather station includes voice synthesizing and recognition apparatus for annunciating verbal prompts and weather conditions, and for responding to vocal control. The weather station is formed in two separable components, one having sensors and the other having radio communications apparatus.

The disclosed electrostatic precipitator cartridge for a tower air cleaner in accord with the present invention is low-cost, because constructed of injected molded plastics material and stamped and extruded metal components. It is easy to clean, not only because it's constitutive metal parts and plastic components are machine washable but also because the cartridge as a whole is machine washable, the pieces and components are designed and arranged to prevent intracartridge fluid buildup or retention after washing, thereby eliminating any electrical shorting or arcing or other undesirable phenomena resulting therefrom that could interfere with the operation of the electrostatic filter cartridge. It is mechanically stable and has high particulate collection efficiency because it's ionizer bars have a predetermined preferably air foil shape that provides improved ionization efficiency and that imparts improved torsion stability rendering it possible to provide taller electrostatic filter cartridges and / or greater cleaning power.

A system and method for generating storm warnings which are precisely tailored automatically for a particular individual or business user's geographic location of interest, which may be provided automatically to the individual user or business. The user establishes an individualized user profile, in which the user may define a particular location of interest and a contact address to which a personalized storm warning is to be delivered. The user may also establish a storm profile defining attribute characteristics of a storm for which the user desires a storm warning to be provided, and an amount of advanced warning to be provided by the personalized storm warning. A detailed and accurate storm track which includes information describing storm characteristics (severe weather conditions) as well as the current location and predicted track of movement of storm, is generated. The storm track may be generated automatically from weather radar data, such as NEXRAD data, either alone, or in combination with local live weather radar information, to provide a more accurate storm track. Generated storm tracks are compared to individual user profiles. Personalized storm warnings identifying in detail the storm conditions approaching a user location of interest and arrival time information for that location of interest are generated for user profiles defining locations of interest within a predicted storm track, if the storm track characteristics of the storm meet the attribute and advance warning characteristics specified in the storm profile established by the user. The personalized storm warnings may be delivered to users via e-mail, cell phone, pager, etc.

A device for protection of property against high winds comprising a flexible material of predetermined strength and stretch characteristics, and in the form of a panel or several panels, utilized to protect the side of a structure including its windows and doors from the strong winds and debris impacts occurring during a hurricane. The device is anchored in a manner to space it out from the area being protected according to formula provided, and can safely dissipate substantial impacting energy. The preferred embodiment attaches to an overhanging eave and the ground below protecting in addition to the windows and doors, plantings, outdoor furniture, decorative shutters, downspouts, and such as are enclosed behind the barrier. Several methods of storage and deployment of said curtain are described including rolling, sliding, and converting to awning. The barrier has the added feature of acting as a tie down in certain applications.

A portable, variable speed cabin air purifier (10) operates independently of a vehicle HVAC system and is constructed as an armrest or console (114) that can be placed on any passenger seat and held in place by the seat belt. The air purifier (10) may also be strapped to the floor of a van or SUV, or be positioned in the trunk (100) of a sedan with ducting (104, 108) installed into the vehicle cabin. A 12 volt DC blower (48) can be connected to the cigarette lighter outlet (62) or permanently wired in. Three to five replaceable packed bed filter media packets (70-76), a HEPA filter (78) and a carbon impregnated filter (80) may be installed. The filter media packets (70-76) comprise filter media envelopes (86) of a non-woven, gross particulate filter material packed with other filter media (88), including desiccants, sorbents, chemisorbents, pelletized and granular carbon particles, and catalysts, and are placed between grates (82, 84) and installed in a selected sequence.

The invention discloses a bionic intelligent air purification robot, comprising a vehicle body. A robot head is arranged on the vehicle body; a camera and an illumination lamp are arranged at the front end of the head; an infrared sensor is arranged around the vehicle body; a toxic gas sensor, a particulate matter sensor, a temperature sensor and a humidity sensor are arranged at the two sides of the vehicle body; a universal arm is arranged at the front end of the vehicle body and a dust absorption head is connected with the front end of the universal arm; an air purification filter is arranged at the rear part of the vehicle body; and a nozzle is arranged at the rear end of the head which is internally provided with a control circuit and a language communication circuit board. The bionic intelligent air purification robot has the functions of dust absorption, dust removal, sweeping, sterilization, organic matter decomposition, temperature and humidity sensing and adjusting, toxic gas detection, toxic gas elimination, particulate matter sensing, illumination, free walking, mobile charging, infrared sensing, omnibearing photographing, digital storage, language communication and the like; an intelligent microcomputer is used for control, therefore, the bionic intelligent air purification robot has the advantages of good work effect, stable equipment performance, convenient operation, high efficiency, simple and compact structure, light weight and convenient transportation.

A portable air purifier for reducing pollutants in the passenger cabin of a vehicle to concentrations at least as low as the US-EPA National Ambient Air Quality Standards for: carbon monoxide, ozone, nitrogen dioxide, sulfur dioxide, lead, and particulate matter; plus benzene to a European ambient air standard. The purifier includes an air inlet and air outlet in communication with the vehicle cabin, with air circulation provided by a DC electric motor / blower attachable to a vehicle power plug. The filter assembly includes a specified series of filter media packets and a HEPA filter. The machine's preferred location is in the center of a rear seat where it can serve as an armrest / console and be secured by a seat belt.

<heading lvl="0">Abstract< / heading> Methods and apparatus for recirculating air in a controlled ventilated environment. In one example, recirculation of air from one or more rooms in a multiple room ventilated environment having a common source of supply air is controlled such that minimum ventilation and thermal load requirements for each room are satisfied independently, so as to facilitate a reduction in the amount of fresh outside air required for the environment. In another example, the controlled airflows in each room may be based additionally on respective air quality levels of the air drawn from each room. In one aspect, if contaminants are detected in one or more rooms of the ventilated environment, the amount of air recirculated from a contaminated room back to the environment may be controlled based on a detected level of the contaminant and a dilution ratio of any returned contaminated air to the total uncontaminated air supplied to the environment.

This invention relates to a wet type air cleaner utilizing a centrifugal impeller with an electric motor instead of using filters, thus the separation of particular dust, mist can be absolutely eliminated from air with the difference of specific gravity between gas and pollution liquid under centrifugal force. An wet type air cleaner utilizing a centrifugal impeller comprising: protection grill (400) and water tank (401) located on an inlet pipe (405), an electric motor (433) with a centrifugal impeller (408) and a bearing (434) located inside of centrifugal cleaner (407), a drain trap (441) and humidity controller (442) installed on an exit pipe (432) etc. Therefore centrifugal wet type air cleaner make fresh air efficiently to be carried out by centrifugal force without using filters in the field of home, office, passenger car, dust place like cement factory, machine center, exhaust gas cleaner for an industrial burner and an internal combustion engine.

An improved filter element for use in an electrostatic precipitation air cleaning device, the filter element including rod electrodes arranged through a stack of alternating fluted plastic sheets and plate electrodes. Successive plate electrodes are arranged to make contact with an alternating one or the other of the rod electrodes. The plate and rod electrodes may be composed of high impedance materials such as paper and plastic, respectively. An arrangement for removably inserting a filter element into an air cleaning device is provided. The arrangement also removably provides electrical connectivity between the filter element and the air cleaning device. The filter element can thus be readily removed and re-installed by a user.

The invention discloses a comprehensive monitoring and early warning system based on meteorology and a power grid GIS and a method thereof. The system comprises a data layer and an application layer. The data layer consists of a meteorological database, a power grid GIS database, and a production and operation database. The application layer includes a meteorological monitoring module, a meteorological early warning module, a power grid weather module, an information display module, and an auxiliary decision-making module. The meteorological database, the power grid GIS database, and the production and operation database carry out communication mutually; and the meteorological monitoring module, the meteorological early warning module, the power grid weather module, the information display module, and the auxiliary decision-making module carry out communication with the meteorological database, the power grid GIS database, and the production and operation database respectively. According to the invention, meteorological monitoring information like the temperature, wind direction, and wind speed and the like of important power equipment like a transformer substation, a transmission and transformation line, and a tower can be gotten in real time; and visual meteorological real-time data can be provided for the power grid. Meanwhile, prediction and disaster early warning information of the typhoon and thunder and the like can be provided every 12 hours in the next seven days.

Filter arrangements include a barrier media, usually pleated, treated with a deposit of fine fibers. The media is particularly advantageous at high temperature (greater than 140° F.) systems. Such systems may include engine systems and fluid compressor systems. Filter arrangements may take the form of tubular, radially sealing elements; tubular, axial sealing elements; forward flow air cleaners; reverse flow air cleaners; and panel filters.

A lateral bracing system having high initial stiffness and including yield links capable of effectively dissipating stresses generated within the lateral bracing system under lateral loads.

A sheet-like adsorption filter formed by sandwiching particulate activated carbon with heat-resistant nets and non-woven fabric sheets that have a percentage of void of 90% or higher, is disposed at an internal combustion engine side of a filter element.

The invention discloses an urban storm flood monitoring and traffic controlling and guiding system and method. The urban storm flood monitoring and traffic controlling and guiding system comprises a water depth data collecting and rectifying unit, a unit for analyzing and predicting water depth and on-off control of a drainage pump station and an early warning issuing and traffic controlling and guiding processing unit. The water depth data collecting and rectifying unit is used for performing comparison and check analysis by collecting water depth data of different types at water accumulating spots and obtaining water depths at the water accumulating spots. The unit for analyzing and predicting water depth and on-off control of the drainage pump station is used for performing trend analysis and rolling correction on the water depths of the water accumulating spots by combining zone rainfall data of surrounding rainfall stations on the basis of the water depths obtained by the water depth data collecting and rectifying unit and achieving automatic on-off of a drainage pump unit according to an accumulating water depth predicting curve. The early warning issuing and traffic controlling and guiding unit is used for processing obtained traffic controlling and guiding information and sending the information to a controller and early warning and instructing pedestrians and vehicle drivers in various manners according to safety pass standards of water-accumulating roads. The urban storm flood monitoring and traffic controlling and guiding system and method have the advantages of being reliable in data, stable in communication, comprehensive in function, professional in handling and the like.

A fastener assembly 10, in respect to forces which are subsequently applied, after the installation thereof, when forces is applied in one direction, this fastener assembly 10 is self adjusting incrementally, as needed in travel or actuation; yet when a force is applied in the opposite direction, this fastener assembly 10 is not self adjusting and there is no travel or actuation. The invention includes also the building structure and method.

The invention relates to a rainstorm flood disaster monitoring pre-warning and emergency response system and method. The system comprises a wire / wireless network, a pre-warning emergency center master station, a pre-warning monitoring sub-station, a pre-warning emergency command center, a pre-warning emergency command sub-center, a mobile pre-warning emergency command sub-center and a mobile interaction terminal, the pre-warning emergency center master station is communicated with the pre-warning monitoring sub-station, the pre-warning emergency command center, the pre-warning emergency command sub-center, the mobile pre-warning emergency command sub-center and the mobile interaction terminal through the wire / wireless network, two-way communication is conducted on the pre-warning center master station and various kinds of pre-warning emergency terminals through the wire or wireless network, various data are analyzed and stored, and various command requests are processed. The rainstorm flood disaster monitoring pre-warning and emergency response system and method can support multiple kinds of communication networks, can achieve multiple types of data interaction, can support various types of terminals, and is high in extensibility and mobility.

A buckling restrained braced frame for use in light-framed constructions which includes a ductile load bearing core surrounded by a lightweight casing which resists buckling of the core under compressive loads.

A system and method for securing the wall framing and roof of a building structure against wind. A cable tensioner, located between two uprights of the wall framing and below the top plate, is attached to an anchor secured in the foundation. A cable extends over the first roofing member, under the top plate, over a second roofing member, through the cable tensioner, and over a third roofing member. In another embodiment, a cable tensioner has a vertical sleeve, a hollow tube affixed to the vertical sleeve, a rod extending through the vertical sleeve, and a nut threaded onto the nut for tensioning the cable.

The fiber webs described herein may be incorporated into filter media and filter elements. The fiber webs may exhibit a high dust holding capacity. The fiber webs may also exhibit a low thickness. The fiber webs may be sufficiently flexible and / or deformable so that they may be processed to include a series of waves (also known as flutes) that extend along the cross-machine direction.

The invention relates to a historical data based intelligent early warning system for typhoon and flood, comprising a database system used for storing historical data, predicting data and GIS base map data, a neural network prediction server, a WEBGIS graph display system and a WEB server, wherein the neural network prediction server is used to process the historical data to obtain prediction data which is then stored in the database system; the WEBGIS graph display system displays data in the database system graphically and publishes the data through the WEB server; the WEB server receives prediction request data inform a user client and displays the corresponding prediction result to the user in the form of WEB. Compared with the prior art, the invention has the characteristics of high prediction accuracy, intuitive display of the current storm surge information and forecasting of storm surge information. Besides, the historical data based intelligent early warning system for typhoon and flood can be taken as an auxiliary decision making system for forecasters to forecast storm surges.

A flexible blast curtain will reduce casualties and property damage in the event of a terrorist bombing by intercepting flying debris and dissipating over pressure through deflection of the curtain. The blast curtain may be attached directly to buildings or mounted on frames anchored in close proximity to buildings. The curtain provides complete visibility and easy pedestrian ingress and egress for the buildings.

A fastener assembly comprises a first cylindrical member disposed within a second cylindrical member. One of the first and second cylindrical members is movable relative to the other in a first direction. The other one of the first and second cylindrical members is locked relative to the one in a second direction opposite to the first direction. A spring is operably attached to the first and second cylindrical members to urge one of the first and second cylindrical members in the first direction. A removable member is operably associated with the first and second cylindrical members to prevent one of the first and second cylindrical members from moving in the first direction prior to removing the removable member. The removable member is configured to be pulled out to allow one of the first and second cylindrical members to move in the first direction.

A wall either wholly or partially made from a shear-resisting assembly that has a shear transfer device, or plate, disposed between the bottom strut and the underlying foundation. The shear transfer device joins the two anchor bolts, eliminating intermediate foundation bolts by transferring lateral shear loads to the anchor bolts in combination with the bottom strut

Relocatable personal and / or pet safety shelters for protecting occupants from dangerous conditions such as those from hurricanes and tornadoes. The shelters can include metal wall and ceiling panels of approximately 10 gage to approximately 12 gage thick and be able to withstand winds of up to approximately 250 miles per hour or greater, and be able to withstand a projectile such as 2 inch by 4 inch wood member shot at approximately 100 miles per hour from penetrating inside. The shelter can have a length of approximately 60 inches, a width of approximately 30 inches, a height of approximately 55 inches, with a total weight of up to approximately 940 pounds. The shelter can have fixed bench seats along opposite sides of the door from each other, and be attached in a fixed horizontal orientation above the floor by elongated L-shaped brackets that are attached to the walls be removable fasteners. The bench seats can also be attached by hinges so that the bench seats can have folded up positions adjacent to side walls and can fold down to horizontal positions to allow occupants to sit thereon. A fold down table can be included to fold down between the two bench seats when being used. A safety window such as plexiglass, can be formed in the door to allow the occupants to see outside environmental conditions. The shelter can be fastened to a concrete pad base, or driveway or concrete floor and the like, both inside and outside of a garage, a home, a trailer, and the like.

An electrostatic room air cleaner includes a housing having a given profile and a plurality of electrostatic precipitation collector units arrayed in the housing with a common fan to circulate room air through the plurality of electrostatic precipitation collector units simultaneously. A total clean air delivery rate is delivered that is determined as the arithmetic sum of the clean air delivery rates of the plurality of electrostatic precipitation collector units arrayed in the housing of given profile. The greater the number of units arrayed, the smaller may be their size, and the easier they are to handle, maintain and replace.

The invention discloses a monitoring and prewarning system for sudden flood in a mountainous area and an establishing method thereof. The monitoring and prewarning system comprises a plurality of field monitoring wireless sensor networks and a monitoring system, wherein the field monitoring wireless sensor networks and the monitoring system transmit information through a GPRS (General Packet Radio Service) network and Internet, each field monitoring wireless sensor network comprises a plurality of sensor nodes, a cluster head node and a converging gateway, the sensor nodes are arranged in a monitored region and connected with the converging gateway through the cluster head node and transmits monitored information to the converging gateway, and the converging gateway transmits the information to a monitoring computer through the GPRS network and Internet. The monitoring and prewarning system disclosed by the invention can well meet real-time and rapid acquiring of monitoring field data in monitoring and management on disasters, such as flood, landslide and debris flow.