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US20110041529 COMPOSITIONS OF HYDROCHLOROFLUOROOLEFINS  
The present invention relates to solvent/cleaner and heat transfer fluid compositions comprising at least one hydrochlorofluoroolefin (HCFO), 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd),...
US20130283832 REFRIGERATION SYSTEM WITH PURGE USING ENRIVONMENTALLY-SUITABLE CHILLER REFRIGERANT  
Refrigeration systems with a purge for removing non-condensables from an environmentally-suitable chiller refrigerant are provided. The refrigeration systems utilize an environmentally-suitable...
US20120117990 HEAT TRANSFER PROCESS  
The present invention relates to a heat transfer process using a composition containing hydro(chloro)fluoroolefins. It more particularly relates to a heat transfer process that successively...
US20110107778 Parallel Condensing Unit Control System And Method  
A method comprises monitoring an operating parameter of a refrigeration system that includes a first condensing unit having a first control module and a second condensing unit having a second...
US20110048042 TRANSPORT REFRIGERATION SYSTEM AND METHOD OF OPERATION  
A refrigerant vapor compression system using CO2 as the working fluid and operating in a transcritical cycle, compression of the refrigerant is accomplished by use of a digital scroll compressor...
US20160084545 SOLAR COLLECTOR AND SOLAR AIR CONDITIONING SYSTEM HAVING THE SAME  
A solar air conditioning system and method of superheating working fluid is provided. The solar air conditioning system superheats the working fluid using radiant energy from the sun, and then...
US20140223936 REFRIGERANT MANAGEMENT IN HVAC SYSTEMS  
Generally, management of refrigerant in an evaporator of an HVAC chiller is described. Methods, systems, and apparatuses to manage refrigerant in an evaporator can include one or combination of...
US20100186433 Scroll Compressors with Different Volume Indexes and Systems and Methods for Same  
A plurality of scroll compressors with different fixed volume indexes are connected in fluid parallel circuit and configured to selectively operate to maximize isentropic efficiency at different...
US20170021700 METHOD OF PREVENTING DAMAGE TO A COMPRESSOR IN A VEHICLE  
A method of preventing damage to a compressor in a vehicle is provided. The method broadly includes the steps of: (a) sensing a temperature (TD) of a compressor discharge fluid; (b) identifying a...
US20160116192 HEAT PUMP SYSTEM FOR VEHICLE AND METHOD OF CONTROLLING THE SAME  
A heat pump system for a vehicle may include a cooling apparatus that supplies and circulates coolant to a motor and an electrical equipment through a cooling line, wherein the cooling apparatus...
US20150352925 METHOD AND SYSTEM FOR CONTROLLING OPERATION OF CONDENSER AND EVAPORATOR FANS  
Methods and systems for controlling the operation of the condenser and evaporator fans in a transport refrigeration system are described. The methods and systems described herein generally control...
US20110146311 APPARATUS FOR CONTROLLING RELATIVE HUMIDITY IN A CONTAINER  
In one embodiment, the invention provides a refrigeration system having a compressor configured to compress a refrigerant gas and a condenser fluidly coupled to the compressor to receive...
US20100186432 COMPOSITIONS COMPRISING FLUOROOLEFINS  
Disclosed are compositions comprising HFC-1225ye and other compounds that are useful as heat transfer fluids, including refrigerants, in a flooded evaporator chiller, a direct expansion chiller or...
US20090277197 EVAPORATOR APPARATUS AND METHOD FOR MODULATING COOLING  
This invention relates to a method and an apparatus for a modulating air conditioning system having increased energy efficiency and greater turndown capabilities. A modulating air conditioning...
US20090277196 APPARATUS AND METHOD FOR MODULATING COOLING  
This invention relates to a method and an apparatus for a modulating air conditioning system having increased energy efficiency and greater turndown capabilities. A modulating air conditioning...
US20150251521 CLIMATE CONTROL SYSTEM FOR MACHINE CABIN  
A climate control system is provided for use with a machine. The climate control system may have a compressor electrically powered to compress refrigerant, a condenser configured to dissipate heat...
US20100326099 HIGH-EFFICIENCY HEAT PUMPS  
As discussed herein, a first aspect of the present invention provides a high-efficiency heat pump that includes a frame, as well as a first circuit, a first compressor, a condenser heat exchanger,...
US20070220911 Vapor compression system and method for controlling conditions in ambient surroundings  
A vapor compression system including an evaporator, a compressor, and a condenser interconnected in a closed-loop system and a method of operating such a system. The method includes the conversion...
US20150321539 AUXILIARY SUBCOOLING CIRCUIT FOR A TRANSPORT REFRIGERATION SYSTEM  
An auxiliary subcooling circuit for a transport refrigeration system (TRS) is provided. The auxiliary subcooling circuit may be configured to be driven by a compressor that is separate from a main...
US20160137481 MICROPROCESSOR-CONTROLLED BEVERAGE DISPENSER  
A microprocessor-controlled beverage dispenser is disclosed, which provides a cold plate having disposed therein beverage lines and refrigerant lines. The refrigerant lines may be connected to a...
US20120011867 MULTI-CIRCUIT HEAT EXCHANGER  
A baffle assembly is disposed within a manifold of a multi-circuit heat exchanger for dividing the interior volume of that manifold into a first chamber associated with one circuit and a second...
US20090314015 METHOD FOR CIRCULATING SELECTED HEAT TRANSFER FLUIDS THROUGH A CLOSED LOOP CYCLE  
The present invention relates to the use of flexible hoses capable of handling high pressure fluids and providing a barrier against permeation loss in air conditioning and refrigeration systems....
US20090133412 THERMAL ENERGY STORAGE AND COOLING SYSTEM WITH MULTIPLE COOLING LOOPS UTILIZING A COMMON EVAPORATOR COIL  
Disclosed is a method and device for a refrigerant-based a thermal energy storage and cooling system with multiple condensing units utilizing a common evaporator coil. The disclosed embodiments...
US20080302113 REFRIGERATION SYSTEM HAVING HEAT PUMP AND MULTIPLE MODES OF OPERATION  
The present invention provides a refrigeration system including a first refrigerant circuit including a first heat exchanger for transferring heat from refrigerant, a second refrigerant circuit...
US20140069123 HEAT PUMP SYSTEM FOR VEHICLE AND METHOD OF CONTROLLING THE SAME  
A heat pump system for a vehicle may include a cooling apparatus that supplies and circulates coolant to a motor and an electrical equipment through a cooling line, wherein the cooling apparatus...
US20130025304 LOADING AND UNLOADING OF COMPRESSORS IN A COOLING SYSTEM  
A system and method of loading and unloading a compressor in a cooling system. The method includes detecting a temperature, determining a compressor should be turned on/off to supply/stop...
US20110197602 HEAT TRANSFER METHOD  
The present invention relates to a method of heat transfer by means of a composition containing hydrochlorofluoroolefins. The subject matter of the present invention is more particularly a heat...
US20150300713 STAGE TRANSITION IN TRANSCRITICAL REFRIGERANT VAPOR COMPRESSION SYSTEM  
Operation of a transcritical refrigerant vapor compression system for supplying temperature conditioned air to a temperature controlled space is controlled when staging up or staging down to avoid...
US20080042097 HEAT TRANSFER AND REFRIGERANT COMPOSITIONS COMPRISING 3,3,4,4,5,5,6,6,6-NONAFLUORO-1-HEXENE AND A HYDROFLUOROCARBON  
Disclosed herein are 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexene compositions for use in refrigeration and air conditioning systems, particularly in centrifugal compressor systems. Also disclosed are 5...
US20110162395 ELECTRICALLY POWERED TRANSPORT REFRIGERATION UNITS  
A refrigerated vehicle (2; 4; 6; 8) having at least one refrigerated compartment (10) comprises a refrigeration unit and at least one electrical power supply (60, 64). The refrigeration unit has a...
US20080216493 MICROCHANNEL COOLING CONDENSER FOR PRECISION COOLING APPLICATIONS  
The present disclosure provides a method, apparatus, and system for a centralized microchannel cooling system in precision cooling applications, such as mission-critical systems with data centers...
US20130146271 HEATING/COOLING DEVICE AND METHOD FOR OPERATING A HEATING/COOLING DEVICE  
The proposal is for a heating/cooling device for vehicles, in particular motor vehicles with electric drive, having a refrigerant circuit, which comprises a compressor (3), a gas cooler (5), an...
US20120227427 PARAMETER CONTROL IN TRANSPORT REFRIGERATION SYSTEM AND METHODS FOR SAME  
Embodiments of transport refrigeration systems, apparatus, and/or methods for the same can provide exemplary verification for operating characteristics thereof. In one embodiment, a calculated...
US20120186284 REFRIGERANT SYSTEM AND METHOD FOR CONTROLLING THE SAME  
A refrigerant system, includes: an air conditioner configured to condition air in a building by using a first refrigerant cycle; a cooler configured to cool air in a storage compartment of the...
US20110041528 COOLER DISTRIBUTOR FOR A HEAT EXCHANGER  
A distributor (12) for an evaporator (22) in a vapor-compression circuit (10) comprises an elongate body (50A. 50B) defining an inlet portion (56A) and first and second distal ends (58A, 58B). The...
US20100115974 Start-up control method for refrigeration cycle apparatus and refrigeration cycle control apparatus using the same  
In a refrigeration cycle apparatus having an expansion mechanism, a method to swiftly generate a pressure difference upstream and downstream of the expansion mechanism of, thereby enhancing the...
US20080148746 Multi-Function Multichannel Heat Exchanger  
Heating, ventilation, air conditioning, and refrigeration (HVAC&R) systems and heat exchangers are provided which contain integrated auxiliary cooling loops. The heat exchangers include multiple...
US20070289317 HYDROFLUOROCARBON REFRIGERANT COMPOSITIONS AND USES THEREOF  
Disclosed herein are hydrofluorocarbon refrigerant or heat transfer fluid compositions that are useful in refrigerain or air conditioning apparatus or as heat transfer fluids. The compositions of...
US20160102902 Heat Pump For Using Environmentally Compatible Coolants  
A heat pump includes an internal heat exchanger and a regulating device designed to bring the temperature of the working fluid at the outlet of a compressor to a specifiable minimum difference...
US20150135743 AIR CONDITIONING SYSTEM HAVING SUPERCOOLED PHASE CHANGE MATERIAL  
An air conditioning system includes a chiller system including a compressor, a condenser, an expansion device and an evaporator; a phase change material in thermal communication with the...
US20130167566 Ejectors and Methods of Manufacture  
An ejector (200; 400; 600; 700; 800) has a housing (202) and an insert. The housing has an upstream end (206) and a downstream end (208) and a branch (220). A primary flowpath extends from the...
US20100154445 Cooling unit  
A cooling unit for cooling an enclosed interior space of a vehicle. Also provided are methods of cooling the interior of the vehicle.
US20170159983 REFRIGERATOR AND METHOD OF OPERATING REFRIGERATION SYSTEM  
A refrigeration system 4 controlled by a control system 26, wherein the refrigeration system 4 comprises: an evaporator 8, a compressor 10, a condenser 12, and an expansion arrangement 15. The...
US20080022707 Co-generation  
Disclosed related to a co-generation according to the present invention has some advantages in that the heat of the refrigerant recovered at the supply heat exchanger is used for the water boiling...
US20100018228 BIO-RENEWABLE THERMAL ENERGY HEATING AND COOLING SYSTEM AND METHOD  
The present invention is directed towards a bio-renewable thermal energy heating and cooling system which is capable of rejection, reclamation and cogeneration. The refrigeration system of the...
US20170051954 REFRIGERATION SYSTEM WITH PHASE CHANGE MATERIAL HEAT EXCHANGER  
The present application provides a refrigeration system. The refrigeration system may include a compressor and a condenser downstream of the compressor. The condenser may include a refrigerant...
US20140245763 HIGH-TEMPERATURE HEAT PUMP AND METHOD OF USING WORKING MEDIUM IN A HIGH-TEMPERATURE HEAT PUMP  
A fluid circuit in a high-temperature heat pump absorbs thermal energy through the fluid from at least a first reservoir while performing technical work and outputs thermal energy through the...
US20130139531 REFRIGERATION SYSTEM HAVING A CONTINUOUSLY VARIABLE TRANSMISSION  
Inventive embodiments are directed to components, subassemblies, systems, and/or methods for a refrigeration system having a compressor operably coupled to continuously variable accessory drive...
US20120117988 REFRIGERATING SYSTEM WITH PARALLEL STAGED ECONOMIZER CIRCUITS AND A SINGLE OR TWO STAGE MAIN COMPRESSOR  
A refrigeration system (20A) comprises an evaporator (27), a plurality of compressors (32, 34, 35) for compressing a refrigerant, a heat rejecting heat exchanger (24) for cooling the refrigerant,...
US20150184922 HEAT PUMP CONTROLLER CONFIGURABLE BETWEEN A PLURALITY OF REVERSING VALVE ENERGIZING MODES  
A heat pump controller for use in a heat exchange system including an external heat exchanger, a compressor, a reversing valve, and an internal heat exchanger is provided. The heat pump controller...

Matches 1 - 50 out of 257 1 2 3 4 5 6 >