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| Number | Title | Issue Date |
| 8172154 | Humidity monitoring and alarm system for unattended detection of building moisture management problems A detection and monitoring method and system which makes it possible to detect the presence of moisture problems when they manifest as abnormal humidity in one or more discrete ventilation zones within a building envelope. The abnormal humidity can then be investiga... | 05/08/2012 |
| 7984859 | Automatic exhaust fan control apparatus and method A control apparatus for operating an exhaust fan in order to control humidity and odor in an enclosed confine includes a switch mounted within a path of electric power between an electric power source and the exhaust fan. A humidity sensor outputs a humidity signal ... | 07/26/2011 |
| 7963453 | Versatile HVAC sensor An HVAC sensor is provided that includes a housing that houses a sensor. In some instances, a conduit is provided that has a first end that extends out the back of the HVAC sensor housing and adjacent to (and sometimes through) a hole in a duct of the HVAC system th... | 06/21/2011 |
| 7857235 | Air conditioning system In the air conditioning system (1), switching is selectively made between a normal operation where air is dehumidified by the humidity controller (10) alone according to operating conditions and a simultaneous dehumidifying operation where air is dehum... | 12/28/2010 |
| 7815127 | Humidity control method and apparatus for use in an enclosed assembly A humidity control method and apparatus that can be utilized to provide humidity control within an enclosed assembly such as a disc drive. The apparatus includes a container that is at least partially formed of a material through which water vapor can freely move. T... | 10/19/2010 |
| 7690583 | Humidity sensor and fan control device A sensor in a bathroom continuously senses the humidity level therein at periodic intervals and provides the sensed humidity values to a processor, which stores the sensed values and continuously calculates an average humidity value over a time period. The processor... | 04/06/2010 |
| 7478760 | Humidity control method and apparatus for use in an enclosed assembly A humidity control method and apparatus that can be utilized to provide humidity control within an enclosed assembly such as a disc drive. The apparatus includes a container that is at least partially formed of a material through which water vapor can freely move. T... | 01/20/2009 |
| 7434741 | Automatic damper control for air conditioning system humidifier A forced airflow air conditioning system includes a humidifier which is operable to humidify air bypassed from a supply air plenum to a return air duct or vice versa, the humidifier airflow being controlled by a damper closure member which is operably connected to a... | 10/14/2008 |
| 7403126 | Apparatus, system and method for monitoring a drying procedure An apparatus, system, and method provide drying procedure information through a user interface. A monitoring device transmits drying procedure data measured by sensors within a structure undergoing the drying procedure to a server. In response to requests received t... | 07/22/2008 |
| 7365937 | Inert gas atmosphere replenishment structure Method and apparatus for replenishing an inert gas atmosphere. A replenishment structure includes a reservoir which encloses an internal inert gas atmosphere. The reservoir has a permeable wall through which inert gas molecules from the internal atmosphere diffuse s... | 04/29/2008 |
| 7365507 | Power control apparatus for motor A power control apparatus for a motor is disclosed. The power control apparatus includes: a moisture sensor for detecting moisture soaking into a housing including the motor; and a switching unit which is switched by an output signal of the moisture sensor, and swit... | 04/29/2008 |
| 7360395 | Gas sensor A gas sensor which includes walls delimiting a gas detection chamber, and having an introduction port (or an inlet) through which an observed gas is introduced into the gas detection chamber, a measuring element disposed in the gas detection chamber and measuring co... | 04/22/2008 |
| 7353656 | Method and apparatus for achieving power augmentation in gas turbines using wet compression A gas turbine unit and method of operation thereof are disclosed. A very quick and easily controllable augmentation or reduction of shaft power produced by the gas turbine unit, in particular of large gas turbine units exhibiting a pressure ratio larger than 15 bar,... | 04/08/2008 |
| 7353654 | Method and apparatus for achieving power augmentation in gas turbines using wet compression A gas turbine unit and method of operation thereof are disclosed. A very quick and easily controllable augmentation or reduction of shaft power produced by the gas turbine unit, in particular of large gas turbine units exhibiting a pressure ratio larger than 15 bar,... | 04/08/2008 |
| 7353655 | Method and apparatus for achieving power augmentation in gas turbine using wet compression A gas turbine unit as well as a method for operating a gas turbine with high-pressure turbine and a low-pressure turbine unit are disclosed. A very quick and at the same time easily controllable augmentation or reduction of the shaft power of the gas turbine unit ca... | 04/08/2008 |
| 7352465 | Sample conditioning and environmental control techniques for gas sensor The present invention is a system and method of conditioning the sample and surrounding environment of an exhaled breath sensor. It includes (i) using a particular molecular sieve for a triple purpose: (a) maintaining the sensor at a constant relative humidity durin... | 04/01/2008 |
| 7347774 | Remote autonomous intelligent air flow control system and network The present invention provides one or more autonomous in-duct or register grill mounted flow control devices, each of which has the capability to restrict or boost air flow through the duct or vent to which it is attached. The individual flow control devices may be ... | 03/25/2008 |
| 7340910 | System and method of increasing efficiency of heat pumps The system and method for increasing efficiency of heat pumps employs temperature sensors to measure the indoor refrigerant coil (indoor heat exchanger) and supply duct air temperature in a heat pump system to vary the indoor air flow rate based on the amount of hea... | 03/11/2008 |
| 7340907 | Anti-condensation control system An anti-condensation control apparatus for a refrigeration device generally includes a sensor module and a control module. The control module receives an input from the sensor module and compares the input to a set point. The control module generates an output indic... | 03/11/2008 |
| 7337622 | Humidity-based defog control method for a vehicle climate control system A vehicle climate control system develops a fog index based on relative humidity at or near the inner surface of the windshield, and uses the fog index to variably override the normal control settings. The relative humidity is combined with a pair of humidity thresh... | 03/04/2008 |
| 7325748 | Ventilation system with humidity responsive ventilation controller A method of controlling ventilation including determining a current gradient, comparing the current gradient to a threshold and activating a device coupled to a ventilation controller if the current gradient is greater than or equal to the threshold. ... | 02/05/2008 |
| 7320636 | Exhaust fan assembly having flexible coupling An exhaust assembly is provided for expelling contaminated air from a building. The assembly includes a plenum, a fan assembly attached to the plenum, and a windband mounted on top of the fan assembly. The fan assembly is constructed of cylindrical outer and inner w... | 01/22/2008 |
| 7281669 | Apparatus and method for generating a defined environment for particle-shaped samples An apparatus for generating a defined environment for particle-shaped samples, comprises a support element with a rest end for a particle-shaped sample and an apparatus for generating a humid gas flow at a mouth end thereof. The mouth end is directed to the rest end... | 10/16/2007 |
| 7272302 | PSC motor system for use in HVAC applications with field adjustment and fail-safe capabilities A field-adjustable motor control system includes a motor, an inverter coupled to provide energization to the motor, a controller coupled to the inverter, and a field adjustment circuit that provides field adjustment signals to the controller. The controller provides... | 09/18/2007 |
| 7264649 | System for allergen reduction through indoor humidity control The invention provides a humidity control system (HCS) to control indoor humidity within a specified range so as to reduce indoor house-dust mite allergen levels. The invention also provides a hydrogel absorber/desorber for reversibly absorbing water vapor from air ... | 09/04/2007 |
| 7263875 | Multi-layer windshield moisture detector A moisture detection system includes a moisture detector having a first electrical conductor, a first substrate having the first electrical conductor disposed on one surface thereof, a spacing layer coupled to the other surface of the first substrate, a second subst... | 09/04/2007 |
| 7258280 | Damper control in space heating and cooling An amount of time that air has been delivered from an air handler to a space is tracked, and based on the tracked amount of time, at least one turn-on time or one turn-off time of the delivery of air from the air handler to the space is controlled. Other features re... | 08/21/2007 |
| 7248942 | Airflow detection system having an airflow indicating device According to an embodiment, the present invention pertains to a system for detecting airflow in a room. The system includes an airflow indicating device having a movable component whose movement substantially corresponds to airflow in a vicinity of the airflow indic... | 07/24/2007 |
| 7244390 | Fungus abatement system An apparatus and methodology for abating fungi in a building supported on a ground surface and having an upper enclosed living space and a lower enclosed space beneath the upper enclosed space and proximate or beneath the ground. The apparatus includes a blower posi... | 07/17/2007 |
| 7231815 | Relative humidity probe for concrete A probe for determining the relative humidity and temperature of a substance such as a concrete floor. The probe is adapted to be inserted into a hole in the substance being tested. The probe has a head portion and a tail portion. A display is provided on the head p... | 06/19/2007 |
| 7231967 | Ventilator system and method The ventilator system and method use a heat exchanger to selectively transfer heat between fresh outside air entering and exhaust air leaving an enclosed space whenever energy can be recovered from the exhaust air by doing so. The system uses a microprocessor-based ... | 06/19/2007 |
| 7222660 | Cabinet with an environmentally-sealed air-to-air heat exchanger A cabinet which utilizes an air-to-air heat exchanger to remove heat generated from within the cabinet prevents water and dust from entering the air-to-air heat exchanger by forcing cooler external air up along a first side wall, through the air-to-air heat exchange... | 05/29/2007 |
| 7208891 | Variable speed drive for a chiller system A variable speed drive with a boost converter is provided for a chiller system driven by an induction motor. The boost converter can be a diode or thyristor rectifier followed by a boost DC/DC converter or a three-phase pulse width modulated boost converter. The boo... | 04/24/2007 |
| 7204130 | Windshield moisture detector A moisture detector can include a first elongated conductor disposed on a substrate. The first conductor can define a zigzag path between the opposite ends thereof. A second conductor can also be disposed on the substrate at least partially surrounding the first con... | 04/17/2007 |
| 7202626 | Variable speed drive for a chiller system with a switched reluctance motor A variable speed drive with a boost converter is provided for a chiller system driven by a switched reluctance motor. The boost converter can be a diode or thyristor rectifier followed by a boost DC/DC converter or a three-phase pulse width modulated boost converter... | 04/10/2007 |
| 7198567 | Desktop-type ventilation system A desktop-type ventilation system generally includes a ventilation hub having at least one vent and at least one fume hood connected thereto. The fume hood(s) generally include a pair of side walls, wherein each is disposed at an angle for directing and causing air ... | 04/03/2007 |
| 7195177 | Method and apparatus for humidity control within a housing An apparatus includes a housing having a chamber, having a replaceable part which has a moisture adsorption characteristic and which is in communication with the chamber, and having a humidity monitoring section which is responsive to the humidity within the chamber... | 03/27/2007 |
| 7187988 | Web service and method for customers to define their own alert for real-time production status An automated method and system that uses a Web service to make real-time production status available to customers from a manufacturing environment. Each time Work in Process (WIP) data is updated from manufacturing execution systems to a central database, a database... | 03/06/2007 |
| 7182268 | Method of controlling the absolute humidity of air stream in kilning step and kilning apparatus The present invention relates to a method of controlling the absolute humidity of blown air in a roasting-and-drying process and a roasting-and-drying apparatus. The method makes humidity control for air blown through malt to be proper and makes the variation in the... | 02/27/2007 |
| 7184267 | Longitudinally cooled electronic assembly An enclosure forms a plurality of tiers vertically stacked in a longitudinal dimension, each tier supporting two lateral stacks of printed circuit board cards. Each tier has an associated distribution plenum contiguous to a top longitudinal end of the tier and an as... | 02/27/2007 |
