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8161760 |
Utilities grid for distributed refrigeration system
A distributed refrigeration appliance system for use in a residential kitchen and other locations in a dwelling and includes multiple separate refrigeration appliance modules, a central cooling...
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8151579 |
Cooling recovery system and method
A cooling recover system and method are disclosed. A fluid, such as water, is chilled and provided to a cooling coil to cool and dehumidify air passing over the cooling coil. The fluid is output...
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8141374 |
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...
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8091377 |
Simultaneous heating/cooling multi air conditioner
A heat pump capable of performing heating and cooling simultaneously is provided. The heat pump includes a compressor, indoor devices that heat or cool an indoor space, outdoor heat exchangers, and...
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8091373 |
Method of twinning 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...
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8061153 |
Refrigeration appliance with optional storage module
A distributed refrigeration appliance system for use in a residential kitchen and other locations in a dwelling and includes multiple separate refrigeration appliance modules, a central cooling...
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8063745 |
Air conditioner and address setting method in air conditioner
A serial number detection portion simultaneously transmits a detection command for requesting a first digit of a serial number to plurality of indoor units, and the serial number detection portion...
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8042355 |
Temporary refrigerator storage modules
A distributed refrigeration appliance system for use in a residential kitchen and other locations in a dwelling and includes multiple separate refrigeration appliance modules, a central cooling...
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8001230 |
Group management apparatus and group management system
A first management apparatus that is connected to a first equipment device group including a plurality of first equipment devices centrally manages the first equipment devices. A second management...
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7937961 |
System and method for controlling demand of multi-air-conditioner
A system for controlling multiple air conditioners. The system includes a demand control unit configured to calculate an estimated power amount to be used by the multiple air conditioners based on...
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7921661 |
Dehumidification system with multiple condensers and compound compressor
A refrigerant cycle is provided with a multi-port compressor or compressor stages connected in series, and multiple condensers. A single evaporator communicates with the plurality of condensers. At...
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7886556 |
Air conditioning system
An air conditioning system includes a plurality of latent heat utilization side refrigerant circuits which are connected in parallel with one another, and a plurality of sensible heat utilization...
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7878014 |
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...
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7874499 |
System and method to control sensible and latent heat in a storage unit
A climate control system for a storage unit. The system includes a reverse cycle chiller; a fluid supply line in fluid communication with an outlet of the fluid side heat exchanger; a fluid return...
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7871014 |
System for controlling demand of multi-air-conditioner
A system for controlling multiple air conditioners. The system includes a demand control unit configured to calculate an estimated power amount used by the multiple air conditioners based on an...
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7870750 |
System and method for controlling demand of multi-air-conditioner
A system for controlling multiple air conditioners. The system includes a demand control unit configured to divide the multiple air conditioners into groups, to assign a priority level to each...
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7861546 |
Refrigeration system capacity controller and method
A controller and method for control of a refrigeration system having a compressor rack operable at a plurality of capacities may include determining a rate of change in suction pressure for a first...
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7864530 |
Changing data center cooling modes
A method of providing utilities to a computer data center is discussed. The method includes initially connecting one or more non-evaporative cooling units to a data center as primary cooling...
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7854138 |
Method for controlling multi-unit air conditioning system
A method for controlling a multi-unit air conditioning system adapted to cool or heat room spaces while passing a refrigerant in one direction or in a reverse direction is disclosed. In the method,...
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7797953 |
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...
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7793509 |
System and method for capacity control in a multiple compressor chiller system
A capacity control algorithm for a multiple compressor liquid chiller system is provided wherein the speed and number of compressors in operation are controlled in order to obtain a leaving liquid...
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7779642 |
Air conditioner and driving method thereof
An air conditioner comprises: a first compression unit (C1) and a second compression unit (C2) for respectively compressing a refrigerant; an outdoor heat exchanger (200) provided at an outdoor...
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7765817 |
Refrigeration system
In a refrigeration system, a first non-inverter compressor (2B) backs up one of an inverter compressor (2A) and a second non-inverter compressor (2C) by switching of a third four-way selector valve...
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7762091 |
Apparatus for controlling the capacity of an air conditioner and control method using the same
Disclosed herein is an apparatus for controlling the capacity of an air conditioner and a control method using the same. The capacity control apparatus is configured in such a fashion that a 3-way...
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7752857 |
Refrigerator and air conditioner
A refrigerator has a coolant cooler for cooling a coolant at the entrance of a flow control valve, when the cooling amount in the coolant cooler is deficient as well as excessive. The refrigerator...
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7751918 |
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...
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7740185 |
Tempering method, control device and tempering device
A method for controlling the temperature of a machine part, by the use of a regulating device, is accomplished by determining one respective value of a measured temperature at each of two separate...
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7730730 |
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...
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7726140 |
System and method for using hot gas re-heat for humidity control
A humidity control method is provided for a multi-stage cooling system having two or more refrigerant circuits. A hot gas re-heat circuit having a hot gas re-heat coil, an evaporator and a...
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7721558 |
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...
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7721559 |
Multi-type air conditioner and method for controlling the same
Multi-type air conditioner including a plurality of compressors, a plurality of temperature sensors mounted in the plurality of compressors for sensing temperatures in the compressors respectively,...
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7665318 |
Compressor controlling apparatus and method
A compressor controlling apparatus including a bypass unit connected between an outlet and an inlet of the compressor and a control unit. The control unit reduces pressure difference between the...
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7661274 |
System and method for capacity control in a multiple compressor chiller system
A capacity control algorithm for a multiple compressor liquid chiller system is provided wherein the speed and number of compressors in operation are controlled in order to obtain a leaving liquid...
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7621138 |
Abnormal state detecting apparatus of multi-type air conditioner and method thereof
Disclosed are an abnormal state detecting apparatus of a multi-type air conditioner and a method thereof. The method comprises: a user's selecting a test operation, and then detecting plural indoor...
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7617695 |
Control method for variable capacity compressors
A refrigeration system including a refrigeration circuit and a controller. The refrigeration circuit includes a plurality of variable capacity compressors arranged in parallel to compress a...
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7610116 |
Centralized management unit and management system of facility equipment
There is provided a compact centralized management unit of facility equipment, as well as a management system using the centralized management unit, that is capable of accommodating changes in data...
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7603871 |
High-flow cold air chiller
An air-chiller comprises a primary compressor that circulates a mixture of four refrigerants with different boiling points through a primary condenser and several heat-exchanger coils in series....
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7578139 |
Refrigeration system including refrigeration cycle and rankine cycle
A controller reduces a rotational speed of a Rankine cycle from a predetermined normal rotational speed during an operation of a compressor in a predetermined state when the controller determines...
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7578137 |
Air-conditioning system with multiple indoor and outdoor units and control system therefor
An air conditioner, in which a controller is installed separately from a plurality of indoor units and a plurality of outdoor units so that only the controller is added and conventional outdoor...
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7562536 |
Method and apparatus to sense and control compressor operation in an HVAC system
An HVAC system and method for configuring a controller to control a compressor including a detection system provided to determine a type of compressor. The detection system includes a processor;...
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7555913 |
Method for controlling multiple compressors according to a matrix
A method for controlling multiple compressors for use in an airconditioner is disclosed. In the airconditioner having N compressors, the method sequentially and equally operates the N compressors...
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7532950 |
Integrated management system and method for controlling multi-type air conditioners
An integrated management system for controlling multi-type air conditioners can effectively enable to perform maintenance, management and after-service to at least one air conditioner systems by...
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7526924 |
Refrigerator and air conditioner
A refrigerator has a coolant cooler for cooling a coolant at the entrance of a flow control valve when the cooling amount in the coolant cooler is deficient as well as excessive. The refrigerator...
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7478539 |
Two-stage linear compressor
A refrigeration system includes a two-stage linear compressor having a first piston disposed in a first cylinder and a second piston disposed in a second cylinder. The linear compressor is operable...
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7475557 |
Refrigerator
The invention provides a refrigerator having a two-stage compression compressor capable of performing efficient cooling of a both a refrigerator compartment and a freezer compartment. A...
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7472558 |
Method of determining optimal air conditioner control
A method of determining optimal air conditioner control is provided that includes determining power consumptions of servers and computer room air conditioners, calculating a number of calories...
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7434414 |
Refrigeration apparatus
A refrigerant circuit (10) of a refrigeration apparatus is filled up with carbon dioxide as a refrigerant. In the refrigerant circuit (10), a first compressor (21) and a second compressor (22) are...
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7377120 |
HVAC twinning control
A control is provided for a first HVAC unit that is coupled to a common duct shared with at least one other HVAC unit. The control comprises a twinning connection for communication with at least a...
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7340909 |
Central control system for multi-type air conditioners and operating method thereof
Disclosed are a central control system for multi-type air conditioners and an operating method thereof. In the central control system, multi-type air conditioners comprise a large number of indoor...
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7334417 |
Air conditioner and power line communication system
An air conditioner and a power line communication system high in reliability and free of malfunction facilitates the installation work such as the wiring. The air conditioner for conducting...
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