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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...
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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...
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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...
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US20100087322 |
ELECTRICITY TRANSMISSION COOLING SYSTEM
A cooling system includes a first section of high temperature superconducting (HTS) cable configured to receive a first flow of coolant and to permit the first flow of coolant to flow therethrough....
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US20110296854 |
Method of Adding Adjacent High-Temperature Heating-Side for Absorption Heat
This invention belongs to the area of heat pump/refrigeration technology, which provides absorption heat pump of multiterminal heating and the ways of additional adjacent high-temperature...
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US20110041523 |
CHARGE MANAGEMENT IN REFRIGERANT VAPOR COMPRESSION SYSTEMS
A refrigerant vapor compression system includes a compression device, a refrigerant heat rejection heat exchanger, an expansion device, and a refrigerant heat absorption heat exchanger disposed in...
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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...
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US20100326095 |
USE OF R-1233 IN LIQUID CHILLERS
This invention relates to the use of chloro-trifluoropropenes as refrigerants in negative-pressure liquid chillers and methods of replacing an existing refrigerant in a chiller with...
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US20090183516 |
INSPECTION PORT
A manifold gauge set has at least one sight glass window for viewing contents of a refrigeration system or an air conditioning system being serviced. The window may be non-planar to achieve an...
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US20120011864 |
Refrigerant Additive Compositions Containing Perfluoropolyethers
The present invention relates to compositions and processes of using perfluoropolyether to maintain or improve the oil return, lubrication, cooling capacity, or energy efficiency of a...
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US20090064699 |
DRAIN PAN LINER, DRAIN PAN KIT, AND METHOD OF USING THE SAME
A drain pan liner usable with a drain pan is provided. The drain pan liner includes a plurality of elongated foam lining portions, an adhesive film disposed on a rear portion of each of the foam...
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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...
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US20100223937 |
Heat Exchanger Coupling Blocking Plug
A blocking plug fitting that does not require brazing is described that fits in matching correspondence with an existing fitting arrangement used to couple refrigerant tubing to a heat exchanger....
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US20110023503 |
PERFORMANCE DETECTION METHOD
Proposed is a performance detection method for use in detection of performance characteristics of air conditioning equipment. The method includes, for the standard operational status for the air...
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US20050247069 |
Air conditioning system charging apparatus
An air conditioning system charging apparatus. In a described embodiment, an air conditioning system charging apparatus includes a flexible conduit, a quick connect connector attached to one end of...
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US20090293511 |
APPLIANCE FEATURE MODULE ENABLED BY ENERGY OR MATERIALS SOURCED FROM THE HOST APPLIANCE
A modular utility supply unit that includes a utility supply module housing having removable engageability to a surface of an appliance. Also included is at least one refillable reservoir capable...
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US20100307171 |
Cooling Infrastructure Leveraging a Combination of Free and Solar Cooling
Energy-efficient data center cooling techniques that utilize free cooling and/or solar cooling are provided. In one aspect, a cooling system is provided including a cooling tower; one or more...
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US20080111100 |
USE OF LOW GWP REFRIGERANTS COMPRISING CF3I WITH STABLE LUBRICANTS
The invention pertains to heat transfer compositions, particularly to automobile refrigerants comprising a hydrofluoroalkene, an iodocarbon, and at least one lubricant having hydrogen atoms and...
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US20090158756 |
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...
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US20090151365 |
AZEOTROPE-LIKE COMPOSITIONS OF PENTAFLUOROPROPENE AND 1,1,1,2,2-PENTAFLUOROPROPANE
The present invention provides azeotrope-like compositions of 1,1,1,2,2-pentafluoropropane (HFC-245cb) with either the Z isomer of 1,1,1,2,3-pentafluoropropene (HFO-1225yeZ) alone or with mixtures...
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US20090165472 |
SYSTEM PERFORMANCE CORRECTION BY MODIFYING REFRIGERANT COMPOSITION IN A REFRIGERANT SYSTEM
An adequate operation and performance of a refrigerant system includes the steps of adding a refrigerant that is different from the original refrigerant, into the refrigerant system should any...
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US20060130511 |
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...
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US20120017610 |
Refrigerant
A refrigerant that is azeotropic or near-azeotropic comprises a binary blend of R744 and R41. In one embodiment the binary blend has a molar composition of 20 to 60 percent R744, the remainder...
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US20110079026 |
Refrigerant
A refrigerant that is azeotropic or near-azeotropic comprises a binary blend of R744 and R41. In one embodiment the binary blend has a molar composition of 20 to 60 percent R744, the remainder...
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US20090013700 |
Refrigerating air conditioning system, method of controlling operation of refrigerating air conditioning system, and method of controlling amount of refrigerant in refrigerating air conditioning system
In a refrigerating air conditioning system using refrigerant such as CO2 used in a supercritical area, a highly efficient refrigerating air conditioning system is provided by adjusting the amount...
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US20080178606 |
MULTISTAGE THICK FILM THERMOELECTRIC DEVICES
The present invention generally provides multistage thermoelectric coolers and methods for their fabrication. For example, in one aspect, a multistage thermoelectric cooler is disclosed that...
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US20080156002 |
Air Conditioning System Treatment Applicator
An applicator for introducing an air conditioning system treatment into an air conditioning system refrigerant flow path. The applicator comprises a reservoir carrying the treatment, the reservoir...
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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 the...
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US20110005243 |
METHODS AND SYSTEMS FOR UTILIZING A MICRO-CHANNEL HEAT-EXCHANGER DEVICE IN A REFRIGERATION CIRCUIT
A mini-channel heat-exchanger for a refrigeration circuit having an inlet manifold; a first return manifold; a first heat exchange pass in fluid communication between the inlet manifold and the...
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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...
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US20100037636 |
METHOD FOR SERVICING A REFRIGERATION SYSTEM
A method for servicing a refrigeration system is disclosed. The refrigeration system contains a refrigerant and has a compressor, a high-side section and a low-side section. The method includes the...
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US20110167841 |
COMPOSITIONS AND METHODS FOR INJECTION OF SEALANTS AND/OR DRYING AGENTS INTO AIR CONDITIONING AND REFRIGERATION SYSTEMS
A method for maintaining a charged and pressurized air conditioning or refrigeration system, such method including introducing into the system fluid of the air conditioning or refrigeration system...
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US20080190120 |
BLOWER FOR MARINE AIR CONDITIONER
An air conditioning system for a nautical vehicle includes a main body including an assembly, and a blower including an inlet and an outlet, the inlet being in air communication with the main body,...
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US20090000316 |
Modular Refrigeration Unit and Process for Assembling a Modular Refrigeration Unit to a Cabinet of a Refrigeration Appliance
The present invention relates to a modular refrigeration unit for a refrigeration appliance, and to a process for assembling the modular refrigeration unit to a cabinet of a refrigeration...
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US20090223231 |
ACCESSORY SUB-COOLING UNIT AND METHOD OF USE
A system and method for improving the efficiency of a refrigerated air conditioning system utilizing a vapor-compression refrigeration cycle. The improved system includes an accessory sub-cooling...
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US20060042274 |
Refrigeration system and a method for reducing the charge of refrigerant there in
In a given design of a refrigeration system, the present invention provides a method for reducing the charge of the refrigerant flowing through the refrigeration system. The refrigeration system...
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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...
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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...
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US20120011863 |
METHODS OF SERVICING MOBILE AIR CONDITIONING SYSTEMS
The present invention relates to methods and systems for introducing one or more hydrohalocarbon refrigerants into a heat transfer system from a vessel by recovering the one or more hydrohalocarbon...
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US20090301108 |
MULTI-REFRIGERANT COOLING SYSTEM WITH PROVISIONS FOR ADJUSTMENT OF REFRIGERANT COMPOSITION
A multi-refrigerant cooling system comprising a cooling circuit (100) for circulation of a refrigerant mixture. The cooling circuit comprises, i.a., one or more separator(s) (102, 103) configured...
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US20090241560 |
METHOD FOR RECOVERY AND RECHARGE OF BLEND REFRIGERANTS WITH BLEND SENT FOR RECLAMATION
A refrigerant recovery unit that diverts blended refrigerant withdrawn out of a refrigerant system to an external tank outside the refrigerant recovery unit for reclamation includes a recovery...
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US20070084223 |
Method of liberating and removing trapped refrigerant from the interior of an air conditioning system
A method of evacuating an automotive air conditioning system of refrigerant and recharging it with replacement refrigerant includes initially removing refrigerant from the air conditioning system,...
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US20080216491 |
PRESSURE GAUGES AND METHODS OF USE
A pressure gauge apparatus for determining refrigerant pressures in a refrigeration system and methods of use are described herein. The pressure gauge apparatus may include a pressure gauge and a...
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US20100154442 |
Portable Refrigerant Recovery Machine
A refrigerant recovery machine having two opposed and off-set pistons and its use are provided. The pistons are received in cylinders that are able to move depending on the alignment of the...
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US20060130510 |
Modular recovery apparatus and method
An apparatus and method for providing expandability to a refrigeration servicing unit which includes one or more integrated modules. The modules can communicate with the unit via a wired or...
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US20090188263 |
Apparatus to Clear Oil from the Hoses and Front End of a Recovery Recharge Machine
A refrigerant recovery unit is provided that can recover and recharge refrigerant. The unit is further configured with a pair of service hoses and a refrigerant control circuit operable to receive...
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US20110113795 |
MODULAR HEATING, VENTILATING, AIR CONDITIONING, AND REFRIGERATION SYSTEMS AND METHODS
Embodiments of a modular air conditioning (AC) unit include a base unit and a blower selected from a group of blowers configured for different cooling capacities. The module AC unit also includes...
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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...
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US20070175330 |
REFRIGERATOR WITH MOISTURE ADSORBING DEVICE
The present invention relates to a refrigerator having a cabinet forming a fresh food storage compartment and a freezer compartment, at least one door for opening and closing the cabinet, and an...
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US20080022715 |
Method for washing cooling or air conditioning circuits and device for carrying out said method
The invention relates to a method for washing cooling or air conditioning circuits, according to which a washing agent is conducted through said cooling or air conditioning circuit. Said agent...
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