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US20120117994 TEMPERATURE REGULATION SYSTEM WITH HYBRID REFRIGERANT SUPPLY AND REGULATION  
The present invention provides a temperature regulation system with hybrid refrigerant supply and regulation in which a pressure-reducing regulator (R100) from an evaporator (EVA100) controlled by...
US20110056223 COOLING SYSTEM FOR ELECTRONIC EQUIPMENT  
In a cooling system for an electronic device of the present invention, server rooms in which a plurality of servers are placed, an evaporator which is provided close to each of the servers, and...
US20120073311 REFRIGERANT SYSTEM AND METHOD FOR CONTROLLING THE SAME  
A refrigerant system and a method for controlling the same are provided. A refrigerant system includes: an outdoor heat exchanger disposed in an operating loop of the refrigerant system and...
US20140174111 BACKGROUND TANK FILL BASED ON REFRIGERANT COMPOSITION  
A portable recovery unit for automatically filling a background tank of blended refrigerant includes a main tank for holding recovered refrigerant from a vehicle A/C system which has a first...
US20110061407 BACKGROUND TANK FILL BASED ON REFRIGERANT COMPOSITION  
A portable recovery unit for automatically filling a background tank of blended refrigerant includes a main tank for holding recovered refrigerant from a vehicle A/C system which has a first...
US20110146304 INTERNAL CLEARING FUNCTION FOR A REFRIGERANT RECOVERY/RECHARGE MACHINE  
An apparatus and method providing a refrigeration servicing system that comprises a clean refrigerant source, a recovery circuit and a flushing circuit. The recovery circuit can be configured to...
US20070266717 Automatic refill system for an air conditioning system  
An automatic recharge system (22) is provided for a transcritical cooling system (10). The recharge system (22) includes a refrigerant container (30) capable of storing a refrigerant charge at a...
US20070193285 Testing for Leaks in a Two-Phase Liquid Cooling System  
A two-phase liquid cooling system includes an active venting system for regulating an amount of non-condensable gas within the cooling system. Various venting structures may be used to remove...
US20130319025 Refrigerant Recovery Unit with Diagnostic Interface  
A refrigerant recovery unit is provided that is capable of communicating with a vehicle diagnostic tool. The diagnostic tool can retrieve vehicle information, such as vehicle identifying...
US20070022764 Ammonia recycling still for a refrigeration system and method therefor  
An ammonia still apparatus of the invention is used to reclaim ammonia from contaminated ammonia refrigeration fluid in an ammonia refrigeration system. The ammonia still apparatus is used in...
US20130031918 GAS EXTRACTION DEVICE AND GAS EXTRACTION METHOD FOR REFRIGERATOR  
A gas extraction device installed in a refrigerator removes uncondensed gases that exist in the refrigerator. The gas extraction device includes a gas extraction tank used to circulate a...
US20110036110 REFRIGERATION APPARATUS  
A refrigeration apparatus performs heat exchange on a water tube system having a water inlet tube leading exterior water to a water branching point, first and second branching water tubes...
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...
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...
US20060010898 System for refrigerant charging with constant volume tank  
A refrigerant charging system for charging a refrigeration system with refrigerant includes a refrigerant source, a storage vessel, input and output lines, and a device for detecting mass of...
US20110167847 FREE COOLING CASCADE ARRANGEMENT FOR REFRIGERATION SYSTEM  
A refrigeration system includes a medium temperature subsystem circulating a coolant in a closed loop between at least one medium temperature chiller and at least one medium temperature load and...
US20110219799 AIR CONDITIONER  
An air conditioner is provided that may minimize lengths of pipes connecting a plurality of indoor devices and an outdoor device, facilitate connection between respective refrigerant pipes through...
US20130174588 REFRIGERATION MONITORING SYSTEM AND METHOD  
A system is provided and may include a refrigeration circuit having a condenser, a first sensor producing a signal indicative of a detected condenser temperature of the condenser, and processing...
US20130340447 CONVERTIBLE REFRIGERANT RECOVERY, RECYCLE, AND RECHARGE SYSTEM  
A convertible refrigerant recovery, recycle, and recharge unit, comprising a control valve array, a vacuum pump, an oil separator, an oil-less compressor, and one or more storage tanks. The vacuum...
US20060123810 Method for operating air conditioner  
Disclosed herein is a method for operating an air conditioner which is capable of achieving the effective operation of a plurality of indoor units. The method comprises the steps of: a) receiving...
US20140216073 Method Of Charging A Coolant  
To ensure precise charging of a coolant into a cooling system (6) via a hose (4), temperature sensors (Ts and Te) and pressure sensors (Ps and Pe) are mounted at the inlet side and/or outlet side...
US20150159930 System and Method for Calculating Temperature in an Air Conditioning System  
A method of operating a refrigerant service system to charge an air conditioning circuit includes pre-charging a predetermined pre-charge quantity of refrigerant into the air conditioning circuit,...
US20050229612 Compression cooling system and method for evaluating operation thereof  
A method for evaluating operation of a compression cooling system includes the steps of: (a) in no particular order: (1) measuring a first temperature of the refrigerant in a saturated state; and...
US20090320502 AIR CONDITIONER AND AIR CONDITIONER CLEANING METHOD  
A method of cleaning an air conditioner utilizing carbon dioxide as a working refrigerant includes three steps. In a charging step, a refrigeration cycle is charged with carbon dioxide. In a...
US20050086954 Air conditioner having multiple outdoor units, and control method thereof  
The present invention discloses an air conditioner having multiple outdoor units, including a plurality of outdoor units disposed outdoors, at least one indoor unit connected to the plurality of...
US20110000234 AIR CONDITIONING APPARATUS AND REFRIGERANT QUANTITY DETERMINATION METHOD  
An air conditioning apparatus and a refrigerant quantity determination method are provided, whereby a refrigerant quantity can be determined in a simple and accurate manner without compromising...
US20090277198 REFRIGERANT CIRCULATING PUMP, REFRIGERANT CIRCULATING PUMP SYSTEM, METHOD OF PUMPING REFRIGERANT, AND RANKINE CYCLE SYSTEM  
A Rankine cycle system has a condenser, a refrigerant circulating pump connected to the condenser, a heat collecting device connected to the refrigerant circulating pump, and an expansion turbine...
US20110036104 AIR CONDITIONER, REFRIGERANT FILLING METHOD OF AIR CONDITIONER, METHOD FOR JUDGING REFRIGERANT FILLING STATE OF AIR CONDITIONER AS WELL AS REFRIGERANT FILLING AND PIPE CLEANING METHOD OF AIR CONDITIONER  
An air conditioner is arranged so as to be able to accurately judge a refrigerant filling state within the air conditioner regardless of environmental and installation conditions. The air...
US20130118189 Apparatus and Method for Identifying and Operating Air Purge in Safe Mode and Having a Dip Tube  
A refrigerant recovery unit is provided and includes a safe purging mode. The safe purging mode allows non-condensable gases to be incrementally purged from a storage tank when the determined...
US20080000254 Air conditioning service station with electrically driven analog-display pressure gauges  
An apparatus and method for displaying pressure on electrically driven analog-display pressure gauges. A diagnostic service equipment for a vehicle having a refrigerant system, the refrigerant...
US20130047636 METHOD AND SYSTEM FOR FILLING A REFRIGERANT INTO A REFRIGERATION SYSTEM  
A method of filling refrigerant into a refrigeration system by means of a filling system comprising a tank includes the step of pressurizing the tank by means of a conditioning process to a...
US20120090336 METHOD FOR ACCURATELY RECHARGING A/C SYSTEMS  
A refrigerant recovery unit for accurately filling a refrigerant system with a refrigerant is provided which includes a storage vessel for holding refrigerant, sensors to assist in determining the...
US20060101834 Refrigerant charging system and method using vapor-phase refrigerant  
A refrigerant charging system and method for charging a refrigeration system with a vapor-phase refrigerant includes a refrigerant source, an input line, a sensor and a pressure regulator. The...
US20090107157 REFRIGERANT LEAK-DETECTION SYSTEMS  
A refrigerant leak-detection system is provided to monitor a level of refrigerant/refrigerant by-products in ambient air in a closed/semi-closed ventilated environment enclosing a refrigeration...
US20130047637 REFRIGERATION SYSTEM AND METHOD OF OPERATING A REFRIGERATION SYSTEM  
A method of operating a filling system, which is configured for transferring a refrigerant to a refrigeration system and comprises a receiver for collecting a refrigerant-air-mixture, comprises...
US20110100040 REFRIGERANT VAPOR COMPRESSION SYSTEM WITH FLASH TANK RECEIVER  
A refrigerant vapor compression system includes a flash tank receiver disposed in the refrigerant circuit intermediate the refrigerant cooling heat exchanger and the refrigerant heating heat...
US20130061614 AIR CONDITIONER AND METHOD FOR CONTROLLING THE SAME  
An air conditioner includes a first flow rate regulator for controlling an amount of refrigerant supplied into a receiver, a second flow rate regulator for controlling an amount of refrigerant...
US20080060367 Operating algorithm for refrigerant safety system  
A method of operating a directed relief valve to ventilate a refrigerant by sensing the concentration of refrigerant leakage from the air conditioning system, and if the first concentration...
US20070256434 Monitoring System for Detecting Low-Charge Condition in a Heat-Exchange System  
A monitoring system for detecting a low-charge condition in a heat-exchange system is provided. The monitoring system has a first set of sensors located at the outlet of a compressor of the...
US20080127667 SYSTEM PRESSURE ACTUATED CHARGE COMPENSATOR  
A system pressure actuated charge compensator for use with a heat pump having a liquid service valve and a vapor service valve. The charge compensator comprises a holding tank having first and...
US20100154447 AIR CONDITIONER  
An air conditioner performs a refrigerant quantity judging operation to judge the refrigerant quantity in a refrigerant circuit, and includes a heat source unit, utilization units, expansion...
US20050056031 Refrigerant leakage sensing system and method  
The present invention relates to refrigerant leakage sensing system and method, and more particularly, to refrigerant leakage sensing system and method for sensing the occurrence or not of...
US20150059367 ACTIVE CHARGE CONTROL METHODS FOR VAPOR CYCLE REFRIGERATION OR HEAT PUMP SYSTEMS  
Vapor compression systems are supplemented with a charge control loop that includes a discharge control valve, a transfer pump, and a mass storage vessel configured to add or remove refrigerant to...
US20140260352 TEMPERATURE CONTROLLED SERVICE HOSES FOR IMPROVED REFRIGERANT CHARGE ACCURACY  
A method and charging apparatus for adding refrigerant to refrigerant system are provided. The disclosure includes thermally conditioning the interior of the service hoses of a refrigerant...
US20100089076 REFRIGERANT CHARGE INDICATION  
A method and apparatus are provided for indicating the status of the refrigerant charge in an air conditioning system based upon the degree of subcooling present in the condensed refrigerant...
US20070033958 DRIVING CONTROLLING APPARATUS FOR AIR CONDITIONER HAVING PLURAL COMPRESSORS AND METHOD THEREOF  
A driving controlling apparatus for an air conditioner having a plurality of compressors, and a method thereof. The apparatus comprises a flow amount distribution resistor installed at an outlet...
US20060162353 Multi-type air conditioner for simultaneous heating and cooling use and method for withdrawing refrigerant therefrom  
According to the multi-type air conditioner for simultaneous heating and cooling use and the method for withdrawing refrigerant therefrom, the refrigerant withdrawing device is provided between...
US20090049848 Air Conditioning System for a Motor Vehicle and Method for its Operation  
In an air-conditioning system (10, 110, 210) for a motor vehicle, having a coolant circuit formed from a compressor (12, 112) for compressing the coolant, a condenser (14) for cooling the...
US20050126190 Loss of refrigerant charge and expansion valve malfunction detection  
An actual superheat value in a refrigerant system is compared to an expected superheat level. If the actual superheat valve exceeds a certain predetermined value, this is an indication of...
US20100293975 AIR CONDITIONER  
An air conditioner includes a compressor, first and second heat exchangers connected with high pressure piping, low pressure piping connecting the second heat exchanger to a compressor suction...

Matches 1 - 50 out of 93 1 2 >