Matches 1 - 50 out of 113 1 2 3 >


Match Document Document Title
US20130040549 ECONOMIZER HAVING SOURCE-SPECIFIC DAMPER BLADE ASSEMBLIES AND HEATING, VENTILATION AND AIR CONDITIONING UNIT EMPLOYING THE SAME  
An economizer having a first air inlet, a second air inlet and an air outlet, a method of operating an economizer and a heating, ventilation and air conditioning (HVAC) system employing the...
US20130331021 RADON DETECTION AND MITIGATION IN A BUILDING AUTOMATION SYSTEM  
Radon detection or sensing is provided within a building automation system for a site (e.g., building or campus). As such, one or more short-term and/or long-term radon levels may be detected or...
US20110217194 Solar-powered soffit fan  
The solar powered soffit fan includes an electric fan mounted over a soffit vent. A roof-mounted photovoltaic solar panel aimed at the sun delivers power to the soffit fan. During daylight hours,...
US20140134938 VAPOR MITIGATION SYSTEM, VAPOR MITIGATION CONTROLLER AND METHODS OF CONTROLLING VAPORS  
A vapor mitigation system includes at least one vacuum pipe configured to collect vapors beneath a floor of a building, and a blower coupled to the at least one vacuum pipe. The blower is...
US20110151766 RESIDENTIAL INTEGRATED VENTILATION ENERGY CONTROLLER  
A residential controller is described which is used to manage the mechanical ventilation systems of a home, installed to meet whole-house ventilation requirements, at the same time reducing energy...
US20080194194 Demand Controlled Ventilation System with Central Air Quality Measurement and Method Herefor  
The invention describes an outlet system in which a characteristic of one of gas and/or a liquid, for example the percentage CO2 in air, is measured in a central outlet duct (2). The outlet system...
US20110263192 Attic Ventilation System  
Apparatus and method for venting an attic where a central controller is connected to at least one temperature detector located inside the attic, at least one other temperature detector located...
US20110111689 VENTILATOR  
A total heat exchanger unit includes a controller for, upon receipt of a stop signal for stopping optional ventilation operation, terminating the optional ventilation operation and starting forced...
US20110223850 METHOD AND SYSTEM OF VENTILATION FOR A HEALTHY HOME CONFIGURED FOR EFFICIENT ENERGY USAGE AND CONSERVATION OF ENERGY RESOURCES  
A method provides a ventilation control compliant with an adopted ventilation standard for efficient energy usage and conservation of energy resources. The method includes operating a home energy...
US20110300790 CONTROL DEVICE FOR VENTILATION AND AIR CONDITIONING SYSTEMS  
The invention relates to a control device for room air managing systems, comprising at least one or more rooms (32, 34) or room zones; an inlet air channel (22) and room inlet air channels (22a)...
US20130019747 Super Integrated Security and Air Cleansing Systems (SISACS)  
The present invention provides an air cleansing system that removes the polluted air and controls the air temperature. This system may be optionally integrated with other systems including...
US20130277062 DAMPER STRUCTURE FOR A SEALED DERRICK  
Provided is a damper structure for an enclosed derrick, which can constantly compensate and maintain a pressure of an inner space of an enclosed derrick structure. The damper structure for the...
US20110143647 Engine compartment cooling system  
In combination with an engine compartment including an engine, a hood, and at least two front quarter panel side walls defining an interior engine compartment, an engine compartment cooling system...
US20080108295 Building, ventilation system, and recovery device control  
Control systems for recovery wheels, ventilation systems with recovery devices, buildings having ventilation, and methods of controlling recovery wheels and controlling or modifying ventilation...
US20130237140 INTEGRATED SELF-CONTAINED PLENUM MODULE  
The present invention discloses a plenum module with compartmentalized interior that is subdivided, and partitioned into separate chambers by a set of wall panels.
US20130171922 METHOD FOR CONTROLLING A VENTILATION SYSTEM FOR THE VENTILATION OF AN ENCLOSURE AND A VENTILATION SYSTEM  
A method for controlling a ventilation system for the ventilation of an enclosure. The ventilation system includes two or more ventilation units, which each selectively and repeatedly can be...
US20120083196 System and Method for Conditioning Air  
A technique facilitates the conditioning of air in an equipment room by utilizing external, ambient air and mixing the external air with warmer air from the equipment room to maintain the...
US20090246582 AIR FEED SYSTEM FOR FUEL CELL CABINETS  
An air feed system for a fuel cell cabinet is provided. The air feed system supplies temperature controlled air to a fuel cell. The air feed system includes a controller that controls the air feed...
US20110189937 HEAT EXCHANGE VENTILATOR  
A heat exchange ventilator includes a plurality of heat exchanger elements provided with a heat-exchanger exhaust airflow path and a heat-exchanger intake airflow path. Exhaust airflow and intake...
US20090170418 CONTROLLED ENVIRONMENT CABINET  
A controlled environment cabinet comprises a working chamber made up of clear panels and a stainless steel frame. Two frontal panels may be raised on hinges to access an interior of the chamber....
US20140017989 POWER SYSTEM ENCLOSURE  
A power system enclosure is provided. The power system enclosure includes a box, and a ventilation system. The ventilation system includes an enclosure inlet, and an enclosure exhaust. The...
US20140349565 Critical parameter monitoring system for improving the safety of personnel operating in hazardous areas  
A critical parameter monitoring system for improving the safety of personnel working in a remotely located hazardous location possibly containing combustible materials include an oxygen and a...
US20110082592 AIR-CONDITIONING CONTROL SYSTEM AND AIR-CONDITIONING CONTROL METHOD  
Air that is cooled with ground temperature is circulated in a room, by delivering air in the room outward to an exhaust pipe with a predetermined exhaust pressure; sucking the air discharged from...
US20110076934 Ventilation Device with Alternating Airflows  
The invention relates to a ventilation device (1) adapted to control the airflow paths of a first (3) and a second (5) airflow to alternately flow to or from a first and a second heat-absorbing...
US20060286922 Exhaust fan controller  
The invention makes the decision to turn on the exhaust fan and dry out the confined space in the event that a factory predetermined moisture level has been exceeded, thereby limiting any...
US20130055748 SYSTEM FOR ENVIRONMENTAL PROTECTION OF A HEAT EXCHANGER  
In a one embodiment, a system includes an air conditioning unit having an enclosure, a heat exchanger disposed in the enclosure, and a plurality of louvers coupled to the enclosure. The plurality...
US20080257568 Fire-Extinguishing System in an Air Filter System and Method Therefor  
Fire-extinguishing system in an air filter system has an inlet chamber and an outlet chamber with a filter wall therebetween. The system includes a first and second sensor, a first and second fire...
US20090186570 Air Handling System  
A system and method are provided which capitalize on heating and air conditioning ductwork to draw fresh air through a house and cool the attic. Outside air enters through open windows and is...
US20110105012 Device for measuring and regulating a volume flow in a ventilation pipe  
A device for measuring a volume flow in a ventilation pipe (1) comprises a mounting (8) that can be fixed in the ventilation pipe (1) and a sensor element (13) having a sensor surface (18.1), said...
US20110230131 METHOD FOR REGULATING ROOM COMFORT VARIABLES  
An appropriately treated flow of air is supplied to a room in an automatically executed pulsed operation, in which the air flow is alternately switched on and switched off. The air flow is...
US20110247143 TEMPERATURE AND MOISTURE REGULATING TOPPER FOR NON-POWERED PERSON-SUPPORT SURFACES  
A person-support surface comprises a non powered mattress and a coverlet positionable on the non powered mattress. The coverlet includes an entry positioned at a first end of the coverlet, an exit...
US20110287705 Control System for the Climate in a Spatial Environment for Organisms, Spatial Environment Adapted Thereto, Control System and Program Therefor  
Controls for the climate in a space (35) such as a building such as greenhouse, barn, office and house or such as a vehicle such as car, ship and aircraft. An organism (10) therein forms part of...
US20130045671 SYSTEM USING OUTDOOR AMBIENT AIR TO COOL WALK IN COOLERS AND OTHER AREAS  
A system cools a desired region, such as a walk-in cooler, by taking cool ambient outdoor air and delivering that air into the desired region. The system uses an outdoor temperature sensor so that...
US20070082601 Dynamic control of dilution ventilation in one-pass, critical environments  
A dilution ventilation control system for use in a one-pass, critical environments comprising: one or more one-pass, critical environments comprising, a variable source of supply airflow volume,...
US20080188173 Ventilation airflow rate control  
Airflow rates within a ventilation system are controlled using motor speed or torque and motor electric current or pressure. Fan speed or torque may be varied to compensate for differing...
US20140248831 HYBRID VENTILATION APPARATUS CAPABLE OF BOTH NATURAL AND FORCED VENTILATION  
Disclosed herein is a hybrid ventilation apparatus capable of both natural and forced ventilation. In the case of a natural ventilation mode, a worm gear is rotated in a normal direction by drive...
US20100126208 AC Unit with Economizer and Sliding Damper Assembly  
Embodiments of the invention provide an air conditioning unit that includes an intake vent, an exhaust vent, a return vent, a supply vent, and an economizer assembly including a sliding damper and...
US20150132838 Ventilation Unit for Flow Reversal  
A ventilation unit is arranged to effect flow reversal, according to two opposite directions, of a gas flow generated by a fan without reversing the rotation direction of the fan. The ventilation...
US20070129001 PORTABLE AIR MOVING DEVICE WITH AIR STREAM INTENSITY ADJUSTMENT  
A portable air moving device capable of generating an adjustable intensity air flow is provided. The device includes a blower assembly and an intensity adjustment mechanism located within a...
US20150004898 AIR SAMPLING SYSTEM PROVIDING COMPOUND DISCRIMINATION VIA COMPARATIVE PID APPROACH  
Methods and apparatus for providing an air sampling system with first and second PID sensors to discriminate ammonia measurements. In one embodiment, air samples are taken from a vivarium...
US20140202336 Systems And Method For Air Destratification And Circulation  
A system for air destratification, circulation, and/or purification including an intake positioned proximate a ceiling of a space formed by a floor, a plurality of walls and the ceiling; an...
US20080073439 Basement Ventilator  
A basement ventilator for use in a building to reduce basement humidity and increase basement air circulation, the basement ventilator includes a household inlet duct for receiving and ducting...
US20080102744 Ventilation system  
The present disclosure relates to a ventilation system for a building including a conditioning unit, a ventilation unit and a control unit. The conditioning unit is mounted in at least one of a...
US20060234621 Multipoint air sampling system having common sensors to provide blended air quality parameter information for monitoring and building control  
A system for monitoring air quality conditions, comprising, a multi-point air monitoring system comprising, a plurality of sensors for collecting air quality data from a plurality of at least...
US20100159819 DUCT ASSEMBLY AND METHOD OF USING THE DUCT ASSEMBLY IN AN ATTIC  
A duct assembly for disposition in an attic of a building includes a first vent and a duct. The first vent defines an opening for fluidly communicating with air in an exterior of the building. The...
US20150241076 HUMIDITY CONTROL AND VENTILATION DEVICE  
A humidity control and ventilation device includes: a determiner determining that another ventilation device has turned on, if at least one of an increasing variation in the rotation speed of the...
US20130324026 CLEAN ROOM CONTROL SYSTEM AND METHOD  
In a system and method of controlling particulate count in a clean room having a number of compartments/zones in series, in response to a first level of energy consumption by speed adjustable fans...
US20120100797 Remote zone balancing damper and air flow sensor system  
A remote zone balancing damper and air flow sensor system comprising a differential pressure air flow sensor, a damper having an actuator, a remote terminal connected to the air flow sensor and...
US20100068984 Ventilation System and Method  
Ventilation system (10) comprising resistive heating means (12) for heating gas flowing through the ventilation system (10) and means that are arranged to provide a 5 controlled, continuously...
US20130040550 SYSTEM AND METHOD FOR VENTILATING A DEFINED SPACE  
The present invention relates to a system (100) for ventilating a defined space (102), such as for example an enclosed or at least partly enclosed basement, crawlspace or attic. The system (100)...

Matches 1 - 50 out of 113 1 2 3 >