Matches 1 - 50 out of 188 1 2 3 4 >
Match Document Document Title
7611403 Method and apparatus for a ventilation system  
A method and apparatus for providing ventilation to a selected structure. The apparatus may include various features such as flexible portions, rigid portions, and assembly portions. Further,...
7566262 Airflow boosting assembly for a forced air circulation and delivery system  
The invention relates generally to the field of airflow boosting devices. In particular, the invention relates to a booster fan for installation into a vent opening of a duct system in a forced air...
7459002 Modular presentation apparatus having integral air processing apparatus  
An example presentation apparatus having a cabinet-like base and a surface coupled to the cabinet-like base and configured to hold an object. The cabinet-like base and the surface are configured to...
7147039 Air routing device for a motor vehicle air conditioning or heating system  
An air routing device for a motor vehicle air conditioning and/or heating system, comprising an air routing housing on which a blower is arranged, wherein the air routing device is formed...
7051788 Common air mix chamber  
An HVAC assembly includes an HVAC case having a first inlet adapted to accept air in a first configuration suitable for a right hand drive vehicle and a second inlet adapted to accept air in a...
6974383 Cabinet for air handling equipment  
A cabinet for air handling equipment includes a door assembly having features such as inner and outer door panels being held together and sealed by double-sided tape, which acts as a thermal break,...
6945868 Outdoor fan system  
A camouflaged outdoor fan system includes a housing, a fan inserted into the housing, and a camouflaged lid removably connected to the housing. The housing is buried in the ground, or in...
6926602 Crawl space ventilation system  
A fan unit being suspended from a building floor structure within a crawl space. The fan unit includes a fan, a fan motor, an inlet grill, a discharge plenum and an outlet grill. A timer connected...
6832952 Methods and apparatus for storing and delivering air to buildings  
Methods and systems are provided for enhancing the air quality in buildings during a chemical and/or biological attack and/or when the air quality around a building drops to unacceptable levels....
6805623 Apparatus for providing air flow within a vehicle  
Apparatus for providing airflow within a vehicle. A first housing portion is mounted over a vehicle vent which defines an internal plenum dimensioned to receive the manually adjustable vent handle....
6802769 Air delivery unit, hose and deploying device therefor  
An expanding and retractably collapsing device includes a generally cylindrical hose which is expandable and retractably collapsible and has formed on a surface thereof a circumferentially...
6712690 Portable ventilating system  
The portable ventilating system of the invention includes a base adapted for being towed behind a prime mover, ground engaging apparatus for supporting the base frame in a manner permitting...
6623351 Transportable collective protection system  
A modulator transportable collective protection system for the decontamination and containment of personnel in a toxic free area. A contamination containment area is provided through which...
6589111 Snow extractor for use with an air handling system  
A snow removal device for use with an air handler or HVAC system includes an extractor plate and a heater for heating the extractor plate. The extractor plate has a plurality of holes and may be...
6517430 Supply air system  
A supply air system for supplying air e.g. into a machine room. The supply air system comprises a supply air unit ( 12 ), to which means are connected for supplying the supply air from the outside...
6454556 Vacuum and pressure tight cooling-ventilating device for thermoforming stations  
A vacuum and pressure tight cooling or ventilating device, specifically designed for thermoforming stations, comprises a shutter element for opening and closing respectively the cooling and...
6419576 Sound attenuating inlet silencer for air supplying fan  
An air duct silencer can be used at the inlet of an air supply fan unit for a building or other large structure. The silencer has an exterior housing with exterior walls forming outer surfaces of...
6397933 Method and device for cooling of electronic/computer equipment and use thereof  
A cooling system for cooling electronic/computer equipment in an equipment room in a station. A fan device causes heat exchanging air circulation between a battery and the equipment, where the air...
6375563 Ventilation temperature and pressure control apparatus  
A ventilation apparatus for a building with a roof is disclosed comprising a housing that has openings for exhausting or supplying air. The housing is fixedly secure to the building and covers an...
6342005 Active noise control for plug fan installations  
A plug or plenum fan is located near two walls of the plenum such that they tend to act as the scroll for the fan. Additionally, a partition separates the fan from an adjacent corner further...
6283709 Variable position fan assembly  
An electric fan mounted overhead for universal adjustment of the air flow direction. A mounting plate clamped to an overhead beam carries a sleeve that rotatively receives a vertical column. The...
6220957 Reversing shuttle for air handling device  
A fan unit has inlet and outlet ducts facing in the same direction. A reversing shuttle is connected to the inlet and outlet ducts of the fan unit and includes a diverter damper and two opposing...
6210270 Air blower apparatus and method of use  
An assembly for directing air to a desired location for use as an air blower, carpet drier or the like. An air blower component in a preferred embodiment includes an outlet having attachment means...
6207447 Damper and blower unit providing reversible aeration for composting  
A method or device is provided for connecting a centrifugal blower to a process requiring the flow of forced air such that the flow of air may be reversed. The method is applied to a process that...
6027406 Centrifugal fan unit with vertical rotation axis  
A centrifugal fan system for a building, including a centrifugal fan mounted for rotation about a vertical axis and having a bottom inlet. The fan is mounted in a movable housing having a fan...
RE36514 Pole mounted revolving air circulating fan  
Disclosed is a new pole mounted revolving air circulating fan for inducing air movement within an air mass by use of a rotating impeller which simultaneously revolves around a vertical axis. The...
5860857 Method and apparatus for controlling the atmosphere of an essentially closed space  
The invention relates to a method for regulating the atmosphere in a substantially closed sports/exercise space (1) or an animal shelter (11), especially in terms of partial oxygen pressure. In the...
5788568 Fan  
A fan comprising: blowing units, each including a squarely hollow casing, an electric motor incorporated into the casing and an axial impeller coupled to the motor for generating an air flow from...
5788571 Method of venting smoke from highrise residential buildings  
In highrise residential buildings, venting to remove smoke from corridors is required in case of fire. A method of venting smoke from a multi-floor building by providing a single supply and exhaust...
5711706 Access door with a double seal  
An access door to an air handler unit is provided, having a double seal set in the door frame. The double seal is composed of an outer seal which provides a moisture barrier, having an aperture to...
5690165 Ventilation device for a space zone  
The invention relates to a ventilation device. Provision is made that the air propulsion plant (20) conveys at least a portion of the air in an air circulating mode by means of at least one...
5649997 Air vacuum apparatus  
Apparatus for use with a gaming table or other surfaces for removing and filtering indoor airborne fumes and particles at their point of origin. A laminar exhaust air flow is created across the...
5632677 Fan-equipped air delivery vent  
A fan-equipped air delivery vent for installation into a structure in order to enhance the flow of air from a heating/cooling system includes a main housing portion arranged as a generally...
5567200 Method and apparatus for circulating air  
A method and apparatus for circulating air. The apparatus includes a motor for rotating the blades of a fan. The apparatus also includes a housing for the fan having a wall which is disposed...
5562286 Casino gaming table having a ventilating device for removing smoke  
The present invention provides a smoke-eliminating device of simple construction which can easily be installed onto a preexisting casino gaming table. The fan for circulating air during the...
5554071 Air-change system for a multi-storey building  
A ventilation system for a multi-storey building, which system comprises a ventilation apparatus mounted on a roof and provided with fans for generating an inlet air flow and a distributing channel...
5533668 Remotely activated opposing/aiding air flow control register  
A bi-directional airflow controllable system for controlling flow of air through an air circulating system to at least one zone an air temperature of which is to be controlled is coupled to an...
5417433 Ventilated gaming table assembly  
A ventilated gaming table assembly includes a gaming table component, a rail component and a plurality of electric ventilating fan subassemblies mounted about the periphery of the table and...
5397268 Integrated sunshade and fan apparatus  
An integrated sunshade and fan apparatus includes a personal portable sunshade device and a fan assembly integrated thereon which together respectively shade a selected portion of a user's body and...
5389037 Method and apparatus for improving the respiratory efficiency of an infant  
A method and apparatus for reducing respiratory abnormalities in infants and the incidence of crib death by providing a flow of room air to a sleeping infant's environment to stimulate breathing....
5370576 Sidewall vent-mounted fan assembly for a truck cab  
A forced flow of outside ventilation air may be selectively directed into the cab of a truck using a specially designed fan assembly that works in conjunction with an existing vent structure...
5337994 Apparatus for mounting a portable ventilation fan to an access port  
An apparatus for mounting a portable ventilation fan at an access port in the wall of an enclosure. The apparatus comprises a fixable base plate having a first opening extending therethrough, and...
5297990 Filter-ventilator-arrangement  
A filter-ventilator-arrangement for employment with clean chambers with at least one ventilator of which the pressure side is located toward an air flow chamber which is limited by boundary walls...
5217408 Personal portable evaporative cooler  
A personal portable evaporative cooling device comprising a cowling fitted to a person's back and spaced from said back to form a plenum into which ambient air is forced by an electric motor...
5215499 Positive pressure safety system  
A safety system for providing a positive pressure condition in an enclosed space to provide a safe freshair atmosphere in said enclosed space in response to the occurrence of an emergency condition...
5194041 Ventilation system for isolators  
A cage ventilation system for use in isolating a plurality of cages from an uncontrolled environment is provided, including a frame adapted to support cages in a plurality of vertically spaced...
5149300 Method of construction of pre-balanced air handling system  
An air handling duct system is provided wherein downstream duct segments are downsized proportionately relative to a immediate upstream duct segments including lateral outlets in order to maintain...
5072656 Method and apparatus for controlling the transfer of tubular members into a shelter  
A portable drilling apparatus 10 designed to be used in environmentally severe locations, such as the Arctic, includes provisions for heating various portions thereof, including a pipe shelter 14....
5054380 External booster for forced air heating air conditioning system  
An external, air circulation booster which fits over a register of a forced air central air conditioning and heating system. The booster includes a housing having front, rear, side and top panels,...
RE33638 Mobile fan for poultry farming  
A mobile blower or fan is used to cool and dry poultry houses. The fan includes a propeller which is driven by a gasoline/fuel engine and the engine is mounted on a wooden base and covered by an...
Matches 1 - 50 out of 188 1 2 3 4 >