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8185246 |
Air-conditioning control algorithm employing air and fluid inputs
Sensing, actuation of apparatus, and a control algorithm for use in automatically controlling an air-conditioning system by sensing multiple conditions and responding by actuating the mechanical...
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8161761 |
Method and apparatus for wine cellar temperature and humidity control
A self-contained climate control system for simultaneous temperature and humidity control in a wine cellar includes a refrigeration system having a conventional vapor-compression system including a...
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8118236 |
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...
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7975496 |
Vehicle air conditioning system
A vehicle air conditioning system includes a compressor, a condenser, an evaporator, a humidity sensor and a controller. The compressor is configured to compress refrigerant and the condenser is...
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7975495 |
Control scheme for coordinating variable capacity components of a refrigerant system
A refrigerant system adjusts, in a coordinated prioritized manner, the variable capacities of a compressor, evaporator fan and a condenser fan to minimize the system's overall power consumption...
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7946505 |
Environmental control system for a vehicle
An environmental control system for a vehicle, in particular for predicting internal misting of a vehicle windscreen, the system comprising a windscreen temperature sensor assembly 28, an ambient...
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7926297 |
Air conditioning system
In an input section (30), a set temperature Ts which becomes a control target temperature of a humidity controller (10), and a set relative humidity Rs which becomes a control target humidity of...
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7900464 |
Humidity detecting apparatus and vehicular air conditioner having the same
A humidity detecting apparatus includes a humidity sensor for detecting a relative humidity of air on an inner side of a window glass, an air temperature sensor for detecting a temperature of the...
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7895851 |
Method for controlling humidity in a domestic refrigerator, and refrigerator adapted to carry out such method
A method for controlling the humidity inside a refrigerator, having at least a cavity and a refrigeration circuit including an evaporator and a compressor, comprising the step of measuring the...
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7895850 |
Modulating proportioning reversing valve
A method of operating a reversible heat pump system includes steps of sensing an outdoor air temperature with a first sensor and sensing at least one condition of an outdoor heat exchanger coil...
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7886984 |
Method of utilizing air conditioner to control thermal comfort level of environment
The present invention provides a method of utilizing an air conditioner to control a thermal comfort level of an environment, wherein the air conditioner includes a plurality of environment factor...
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7861543 |
Water carryover avoidance method
A method of preventing water carryover to an object cooled by an air flow from a cooling device includes receiving at least one representation of a relative humidity of the air flow, and preventing...
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7854389 |
Application of microsystems for comfort control
An arrangement includes a plurality of wireless microsystems. Each microsystem is operable to measure at least relative humidity and temperature, and to communicate temperature and relative...
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7854135 |
Fully articulated and comprehensive air and fluid distribution, metering, and control method and apparatus for primary movers, heat exchangers, and terminal flow devices
The described method and apparatus pertains namely to the HVAC (Heating, Ventilating, and Air Conditioning) industry, though its many functions extend into any and all forms of air-fluid movement,...
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7845182 |
Fan control limitation logic in auto defog system
A method for controlling a vehicle HVAC system to automatically defog a window and to prevent fogging or condensation of the window. In-cabin air temperature and relative humidity are used to...
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7845185 |
Method and apparatus for dehumidification
An HVAC system including a compressor, a condenser and an evaporator arrangement connected in a closed refrigerant loop. The evaporator arrangement includes a plurality of refrigerant circuits. The...
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7841194 |
Air conditioner and method of controlling such
The invention provides an air conditioner that is capable of performing optimal control in accordance with the environment of an indoor space at startup, and a method of controlling such. The air...
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7841541 |
Fan having a sensor
A fan has a sensor (86; 186) for sensing at least one value of the air that flows through the fan (20; 120). The fan has a fan housing (22, 24; 122, 124); an electronically commutated...
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7837126 |
Method and system for cooling a wind turbine structure
A control method and associated component configuration provide cooling for components within a wind turbine structure, such as a tower or nacelle. A recirculating airstream of internal air is...
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7836712 |
Air conditioning apparatus
An air conditioning apparatus comprises an air-conditioning unit including at least a cooling coil as a heat exchanger, a blower, a chiller, and a coolant pump for conducting air-conditioning,...
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7827813 |
Adaptive real-time optimization control
Systems and methods to regulate the amount of outdoor air that is introduced into a building. These systems and methods determine the mechanical load requirements based on adaptive control...
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7810338 |
Control method for the air-conditioning treatment of products
A control method for the air-conditioning treatment of products cyclically measures, at definable time intervals, the product temperature and, according thereto, automatically adjusts several...
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7793510 |
Two mode thermostat with set-back temperature and humidity set-point feature
Various thermostat embodiment are provided that includes at least a first sensor configured to communicate information indicative of the temperature within the space, and at least a second sensor...
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7788935 |
Automatic defogging system of vehicle and control method thereof
An automatic defogging system of a vehicle according to an exemplary embodiment of the present invention includes: an input unit used for receiving a directly sensed window relative humidity value...
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7784705 |
Controller with dynamic temperature compensation
An electronic device such as an HVAC controller that accounts for internal heating in determining an environmental condition such as temperature or humidity in the space surrounding the HVAC...
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7770405 |
Environmental air control system
An air control apparatus having a refrigerant compressor, a condenser, an evaporator coil, and a reheat coil associated with a four way valve to selectively regulate flow of refrigerant to and from...
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7757504 |
Air conditioning controller
An air conditioning controller is provided with a room temperature-humidity combination calculation unit, a temperature-humidity setting value determination unit and a temperature-humidity control...
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7740184 |
Methods of dehumidification control in unoccupied spaces
Methods of providing dehumidification control in unoccupied spaces are disclosed. An illustrative method can include the steps of providing a controller having an away mode of operation adapted to...
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7721560 |
Climate control and dehumidification system and method
A system for controlling temperature and humidity in an enclosure, that has a central air conditioning system; a dehumidifier attached to a return air duct of the central air conditioning system;...
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7698903 |
Energy efficient ventilation system
The energy efficient ventilation system provides tempered air to an air to air heat exchanger, such as a heat pump. The system includes independent air intake sources from a tunnel, a structure,...
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7690582 |
Humidity controller apparatus
A humidity controller apparatus (20) contains an adsorption rotor (24) and a heater (25). A first passage (21) along which a first air stream flows and a second passage (22) along which a second...
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7690421 |
Low humidity detection system and method thereof
A system and method for detecting low levels of humidity (i.e. less than 10%) inside an automotive vehicle is provided whereby the total absolute humidity inside the vehicle is determined by...
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7677050 |
Control device for vehicle cooling fan
A control device for a fan motor (7) which cools a condenser (6) of a vehicle air conditioner includes a temperature sensor (12) which detects a temperature of an air that has passed through an...
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7647785 |
Air conditioning system
The present invention provides an air conditioning system that can appropriately adjust humidity. The air conditioning system is an air conditioning system that comprises a plurality of indoor...
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7591145 |
Heat pump/direct expansion heat pump heating, cooling, and dehumidification system
A heat pump heat pump system, operating with an R-410A refrigerant, comprised of at least one of an air source heat pump system, a water source heat pump system, and a direct expansion heat pump...
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7574871 |
Systems and methods for whole-house dehumidification based on dew point measurements
A dehumidifier system is connected to an interior space of a building through supply and return ducts, either directly and/or through an HVAC system. Controllable dampers can be used to select how...
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7484381 |
Energy recovery unit
An energy recovery unit has an energy recovery wheel located in a plenum. Expelled air from the return duct is delivered to the plenum and after passing through the wheel is expelled by an exhaust...
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7454920 |
Method and apparatus for moisture control within a phased array
An apparatus includes a circuit having a heat-generating circuit component, and structure for guiding a two-phase coolant along a path which brings the coolant into direct physical contact with...
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7434415 |
System and method for using hot gas reheat for humidity control
A humidity control method is provided for a multi-stage cooling system having two or more refrigerant circuits that balances humidity control and cooling demand. Each refrigerant circuit includes a...
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7392838 |
System and method for vehicle defogging condition calculation and control
A method and apparatus for controlling a vehicle HVAC system to automatically defog a windshield glass and to prevent fogging or condensation of the windshield glass. The ambient air temperature...
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7392659 |
Dynamic control of a variable displacement compressor
Controlling displacement in a variable displacement compressor of an automobile air conditioning system entails detecting the temperature and humidity level of air entering the evaporator, setting...
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7386988 |
Outside temperature humidity compensation system
A humidity control system having an outside temperature humidity compensator circuit responsively coupled to an outside temperature sensing circuit and capable of responding to sensed inside...
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7380406 |
Refrigerated water pumping system
A refrigerated water pumping system provides high-pressure refrigerated water to misting nozzles situated in a livestock enclosure for housing livestock and adapted for converting the high-pressure...
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7377052 |
Low temperature clothes dryer
A low temperature clothes dryer having a drying chamber provides removable horizontal screens supporting clothing items and a hanging bar for hanging clothes to be dried. A timing control allows...
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7275379 |
Automotive HVAC system and method of operating same utilizing enthalpy-based control
The present invention concerns a method for controlling the operation of an automotive HVAC system. The HVAC system includes at least a refrigerant compressor and a refrigerant evaporator. The...
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7266960 |
Single integrated humidity and ventilation control in an HVAC system
HVAC systems are employed to control the indoor environmental characteristics of a building structure to make it comfortable for its inhabitants. An HVAC system includes one single integrated...
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7260949 |
Compressor variable dryer system
A dryer assembly for drying compressed fluid received from a fluid compressor. The dryer assembly comprises a compressed fluid circuit and a refrigeration circuit associated with the compressed...
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7255161 |
Method of controlling a heating and air conditioning system in a motor vehicle
A method for controlling a heating and air conditioning system equipped with actuators, preferably vents, is provided. Interior conditions are detected by an interior sensing system, with at least...
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7228693 |
Controlling airflow in an air conditioning system for control of system discharge temperature and humidity
An air conditioning system may comprise an air handler, heat pump or fossil fuel furnace and may include a variable speed blower for conducting air through the system and operably connected to a...
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7222666 |
Vehicle air-conditioning apparatus that can surely defog window
A vehicle air-conditioning apparatus includes a dehumidification means, which has a compressor and dehumidifies inside of the vehicle, a humidity calculation means, which calculates humidity in the...
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