Matches 1 - 50 out of 63 1 2 >


Match Document Document Title
US20080053122 AIR CONDITIONING SYSTEM AND CONTROLLER FOR THE SAME  
An air conditioning system equipped with at least one first air conditioning system in which an outdoor unit is connected to plural indoor units through an inter-unit pipe and the plural indoor...
US20090056352 Multi air conditioner system and auto changeover method for multi air conditioner system  
A multi air conditioner system in one example performs a cooling and heating changeover by selectively granting priority to one or more indoor units, determining whether there is one or more...
US20090044552 Twinning of air conditioning units  
Heating, ventilating and air conditioning (HVAC) equipment units are provided with controllers which may be interconnected to a third or common controller, such as a communicating thermostat, and...
US20050011207 Control of air conditioning system with limited number of discrete inputs  
A method for interpreting input on a X input multi-stage HVAC & R system to control Y stages of the system wherein Y is greater than X, including the steps of receiving input from X inputs;...
US20060032253 Driving control method for central air conditioner  
A driving control method for a central air conditioner having at least two compressors of a small capacity and a large capacity, respectively, includes, upon a user's selecting a cooling mode...
US20150040596 Helium Management Control System  
A helium management control system for controlling the helium refrigerant supply from a common manifold supplies cryogenic refrigerators with an appropriate helium supply. The system employs...
US20080156007 Distributed refrigeration system for modular kitchens  
A refrigeration appliance system for a residential kitchen having multiple separate refrigerating modules and a single, continuously operating variable capacity central cooling unit with a...
US20060037335 Method for controlling solenoid valve of air-conditioner  
Disclosed is a method for controlling a solenoid valve of an air-conditioner capable of reducing power consumption of an air-conditioner. To this end, in the method for controlling the solenoid...
US20090217679 REFRIGERATION COOLING SYSTEM CONTROL  
A controller is configured to perform at least one of loading and unloading at least one of a plurality of refrigerant compressors to a refrigeration cooling system based at least upon an enthalpy...
US20150219370 HEAT PUMP APPARATUS  
Provided is a heat pump device configured to collect heat both from outside air and another heat source. A controller calculates heat exchange amounts with use of heat exchange performance of each...
US20080134703 Cooling System For Cooling Heat-Generating Installations and For Maintaining the Temperature of Closed-Off Areas at Below Cabin Temperature in an Aircraft  
In a cooling system (10) for cooling heat-generating installations (44, 46, 48) in an aircraft, with a refrigerating installation (12), at least one refrigeration consumer (44, 46, 48) and a...
US20060059931 Binary control compressor system  
The invention is a control system for controlling compressors that are used to cool a building or a manufacturing process. The control system utilizes compressors of different sizes, including a...
US20060123809 Control method of an air conditioner indoor unit  
A control method of a multi-air conditioner in which a plurality of indoor units is connected to one outdoor unit and refrigerant flow amount is adjusted by electronic expansion valves comprises a...
US20090084120 Parked aircraft climate control system and method  
A conditioned air delivery system is provided for parked aircraft. The system can accommodate elevated thermal loads while maintaining operation, albeit with reduced flow rates or slightly...
US20060032252 Operation control method for unitary air conditioner  
The present invention discloses an operation control method for a unitary air conditioner. The present invention improves the load response capabilities of compressors by operating them at...
US20060117770 Multi-air condition system and method for controlling the same  
Multi-air condition system including a plurality of outdoor units, a pressure equalizing pipe connected such that refrigerant can flow among the outdoor units, for eliminating refrigerant pressure...
US20070289319 Geothermal air conditioning system  
Provided is a geothermal air conditioning system. The system includes a plurality of indoor units, at least one outdoor unit, a ground heat exchanger, and an auxiliary heat source. The plurality...
US20130227979 Heat Pump Type Air-Warming Device  
A unitary-side heat pump unit is configured so that a refrigerant circulates sequentially through a first compressor, a first heat exchanger, a cascade heat exchanger, a first expansion valve and...
US20130233003 RELIABLE COOLING SYSTEM FOR OPERATION WITH A TWO-PHASE REFRIGERANT  
A cooling system, in particular for use on board an aircraft, includes a first cooling circuit allowing circulation of a two-phase refrigerant therethrough, a first evaporator disposed in the...
US20120038120 SYSTEM AND METHOD FOR CRYOGENIC COOLING  
In accordance with an embodiment of the invention, there is provided a system for cooling a load. The system comprises a closed loop primary refrigeration system comprising: a primary compressor...
US20050097906 Air conditioner and method of controlling the same  
An air conditioner and a method of controlling the air conditioner are disclosed. It is an aspect of the present invention to provide an air conditioner and a method of controlling the air...
US20050188708 System and method for variable speed operation of a screw compressor  
A system and method are provided for variable speed operation of a screw compressor to obtain increased capacity and efficiency. The screw compressor is connected to an induction motor driven by a...
US20080163631 METHODS FOR CONFIGURING TUBING FOR INTERCONNECTING IN-SERIES MULTIPLE LIQUID-COOLED COLD PLATES  
Methods of configuring a cooling subassembly for an electronics system are provided, that is, for establishing a coolant-carrying tube layout for interconnecting multiple liquid-cooled cold plates...
US20060037333 Air-conditioner and operation control method thereof  
An air-conditioner includes a small-capacity compressor and a large-capacity compressor for compressing a refrigerant to a high temperature high pressure gaseous refrigerant; a valve for...
US20150230367 High Efficiency Cooling System  
A cooling system has a cabinet and a plurality of separate cooling stages including an upstream cooling stage and a downstream cooling stage. At least the upstream cooling state is a variable...
US20130000335 COOLING SYSTEM FOR HIGH DENSITY HEAT LOAD  
A cooling system for transferring heat from a heat load to an environment has a volatile working fluid. The cooling system includes first and second cooling cycles that are thermally connected to...
US20120000227 REFRIGERANT DISTRIBUTION UNIT FOR AIR CONDITIONER  
A refrigerant distribution unit for an air conditioner, includes: a pipe unit which distributes a refrigerant from a refrigerant pipe on an outdoor unit side to multiple branch refrigerant pipes,...
US20080041072 Heat pump with accumulator at boost compressor output  
A heat pump system is disclosed that utilizes an accumulator fluidly connected between a boost compressor output and a primary compressor input. The accumulator is multifunctional in that it...
US20080087030 Water-cooled air conditioner  
A water-cooled air conditioning system includes an indoor unit having a first heat exchanger where air and refrigerant are heat-exchanged with each other, an outdoor unit having a second heat...
US20070130976 Parallel condensing unit control system and method  
A refrigeration system comprises a plurality of compressors and a plurality of condensing units comprising a first condensing unit having a first control module and at least one additional...
US20150153076 REFRIGERATION APPARATUS  
A refrigeration apparatus includes a high-temperature side circulation circuit and a low-temperature side circulation circuit. The high-temperature side circulation circuit A is configured by...
US20050155361 Air conditioning system and method for controlling the same  
An air conditioning system including an outdoor unit having at least one compressor, and at least one outdoor heat exchanger; a plurality of indoor units connected to the outdoor unit; a...
US20060080980 Apparatus and method for controlling compressors of multi-chamber type air conditioner  
Apparatus and method for controlling compressors of a multi-chamber type air conditioner. The apparatus includes an operating time-accumulating unit for accumulating operating times of the plural...
US20060123811 Multi-air conditioner and group-unit control method thereof  
Disclosed herein are a multi-air conditioner and a group-unit control method thereof, wherein a plurality of indoor units can be controlled on a group basis. The method comprises the step of...
US20120060526 REFRIGERATOR ENERGY AND TEMPERATURE CONTROL  
Apparatus and methodologies are provided to improve the refrigeration system by precisely controlling refrigerator compartment and heat exchanger temperatures through continuous modulation of...
US20080127662 Method, System, and Apparatus for Modular Central Plant  
There is provided a system and method for a modular central plant. In one implementation, the inventive system includes a chiller unit and cooling tower that are designed to be modularly...
US20090133415 HVAC Thermal Storage for Hybrid Vehicle  
A system and method for providing cool air to a passenger compartment of a hybrid vehicle in an engine off mode is disclosed. This may include operating a HVAC system to provide cold refrigerant...
US20110239671 Blended Water-Based Data Center Cooling  
A method of providing cooling by a cooling system to a computer data center. The method includes providing a plurality of air-and-water radiators and one or more chillers, the chillers each having...
US20140060098 REFRIGERATING APPARATUS  
A refrigerating apparatus includes first and second refrigerant circuits including respective first and second compressors, condensers, pressure reducers, and evaporators, connected circularly...
US20060225445 Refrigerant system with variable speed compressor in tandem compressor application  
A refrigerant system is provided with tandem compressors. As is known, tandem compressors operate in parallel to provide a refrigerant system designer with the ability to achieve a stepped...
US20150253031 AIR-CONDITIONING APPARATUS  
An air-conditioning apparatus includes: an outdoor unit; and an indoor unit that is connected to the outdoor unit via a refrigerant pipe and performs air-conditioning of an indoor space in...
US20080072611 Distributed microsystems-based control method and apparatus for commercial refrigeration  
An arrangement for use in a refrigeration system includes a compressor, a condenser, at least one evaporator unit, and at least one expansion valve. The arrangement includes first and second...
US20110239666 HEAT TRANSFER PROCESSES AND EQUIPMENT FOR INDUSTRIAL APPLICATIONS  
Embodiments of the present invention permit the transfer of heat energy from one process fluid to another in an industrial process without the need for an energy field or centralized energy...
US20100269524 VAPOR COMPRESSION SYSTEM  
A method and system for controlling operation of a vapor compression system (13) includes monitoring at least one component condition of the system (13), comparing a predetermined setpoint to the...
US20100154448 MULTI-MODE COOLING SYSTEM AND METHOD WITH EVAPORATIVE COOLING  
A air channeling sub-system may include a mechanical cooling section and a direct evaporative cooling section. The direct evaporative cooling section may be downstream from the mechanical cooling...
US20150013363 COOLING DEVICE AND VEHICLE EQUIPPED WITH THE SAME, AND CONTROL METHOD FOR COOLING DEVICE  
A cooling device utilizes a vapor compression refrigeration cycle including a compressor, a condenser, a receiver, an expansion valve, an evaporator, and an accumulator to cool a heat source with...
US20100131109 SYSTEM AND METHOD FOR ASSESSING AND MANAGING DATA CENTER AIRFLOW AND ENERGY USAGE  
A system and method for providing energy assessment and optimization in a data center that includes at least one cooling provider, and at least one cooling consumer, the at least one cooling...
US20170167757 Air Conditioning System for Use in Vehicle  
An air conditioning system for use in a vehicle includes at least one compressor, a condenser disposed downstream of the at least one compressor and a plurality of evaporators disposed downstream...
US20170108247 REFRIGERATION CYCLE APPARATUS AND METHOD FOR CONTROLLING REFRIGERATION CYCLE APPARATUS  
A refrigeration cycle apparatus includes: a low-stage refrigeration cycle including a low-stage compressor, a low-stage condenser, a low-stage pressure reducing device, and a low-stage evaporator,...
US20170089614 REFRIGERATION DEVICE  
There is disclosed a refrigeration device in which a cooling capability and efficiency can be improved by controlling a high pressure side pressure of a low stage side refrigerant circuit into an...

Matches 1 - 50 out of 63 1 2 >