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7614242 |
Transport refrigeration system
Self-contained refrigeration units include evaporator modules, condenser modules, compressor modules, control subassemblies, and all other refrigeration components in compact interconnected modular...
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7587904 |
Refrigeration system with spring rod
A refrigeration unit includes a housing including an insulated compartment having opposing first and second walls. A spring rod has a first end mounted at a first location to the first wall of the...
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7493773 |
Refrigerant monitoring system and method
A system for monitoring the amount of refrigerant supplied from a refrigerant tank to a plurality of refrigerant systems comprising a tank valve for connection to a refrigerant tank at a...
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7472557 |
Automatic refrigerant charging apparatus
An air conditioning system includes a plurality of sensors for sensing temperature and/or pressure conditions of the system which collectively indicate the actual refrigerant charge level in the...
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7451606 |
HVAC system analysis tool
A tool for the analysis of heating, ventilation and air conditioning (HVAC) systems, methods for performing various analyses of an HVAC system with the tool, and a computer executable program used...
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7448435 |
System and method for controlling a multi-zone heating or cooling system
A control system is provided for automatically setting up and controlling a climate control system for a building having one or more zones and one or more thermostats in communication with the...
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7448224 |
Modular dehumidifier
A smaller configuration air treatment appliance that can perform multiple air treatment functions and which has a modular design that enables the manufacturer to reduce the cost of the appliance.
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7428822 |
Vacuum sensor
The compressor head, internal and/or external discriminator, and manifold design in general utilize ball valves on the suction and discharge of a cylinder head in the recovery of refrigerant liquid...
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7386985 |
Detection of refrigerant charge adequacy based on multiple temperature measurements
The refrigerant charge adequacy of an air conditioning system is determined by the sensing of two temperatures in the system, one being at a midpoint in a condenser coil and the other being the...
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7370483 |
Refrigerant cycle with three-way service valve for environmentally friendly refrigerant
A refrigerant cycle is provided with a single three-way service valve that is utilized for draining and adding refrigerant. In the prior art, a second two-way valve was used in combination with the...
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7310964 |
Refrigerant charging using line having a control valve
A charging system for charging a refrigeration system of a vehicle includes a refrigerant source, a coupler, a line, and a control valve. The coupler is adapted for connection to a connection point...
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7310956 |
Refrigerant charging by optimum performance
A charging system for charging a refrigeration system of a vehicle includes a controller, a refrigerant source, at least one line fluidly connecting the refrigerant source to the refrigeration...
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7293419 |
Refrigerant transfer system and method
A refrigerant recovery/recycling system includes a source container fluidly connected to a recovery/recycling device via a vaporizer. Liquid refrigerant is introduced into the vaporizer via the...
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7260944 |
Cryogenic apparatus for chilling beverages and food products and process of manufacturing the same
Self-cooling food and beverage containers and processes for manufacturing such containers with cryogenic high-pressure refrigerant cooling apparatus are disclosed. A self-cooling beverage container...
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7260943 |
Apparatus and method for servicing a coolant system
An apparatus, system and method for servicing a coolant system, such as, an automobile air conditioner are disclosed. In one embodiment, the apparatus may comprise a device for measuring a...
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7254954 |
Refrigerant charging system and method using cartridges and scale
A refrigerant charging system and method for charging a refrigeration system with refrigerant includes a refrigerant source, one or more cartridges, an input line, an output line, and a scale...
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7246504 |
Method of manufacturing refrigerated repositories and sales management system for refrigerated storage
A method of manufacturing cooling storage units and a sales management system is to be provided for the same permitting the exclusion of a made-to-order production system which indispensably...
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7243499 |
Refrigeration capillary tube inside suction line assembly
A refrigeration capillary tube inside suction tube heat exchanger assembly, including a suction tube whose ends each have a slot with a shaped inner end portion; two braze connectors, each...
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7216493 |
Refrigerator methods and apparatus
A refrigerator includes a plurality of walls forming a refrigeration compartment, an evaporator is positioned proximate at least one of the walls, a thermal insulator is positioned proximate the...
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7216492 |
Portable refrigeration unit
A portable refrigeration unit for cooling a refrigerated space, the unit comprising an evaporator unit that is separable from a condensing unit, the evaporator unit and condenser unit being...
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7210300 |
Refrigerant charging system and method with cartridges
A refrigerant charging system and method for charging a refrigeration system with refrigerant includes a refrigerant source, one or more cartridges, an input line, a scale, a pressure sensor and a...
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7174742 |
Combined method and apparatus for recovering and reclaiming refrigerant, solvent flushing, and refrigerant recharging
A method and apparatus ( 10 ) for servicing refrigeration system ( 12 ) which provides a single device for recovering and reclaiming refrigerant, flushing the refrigerant system with solvent, and...
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7127902 |
Composition for leak stopper and sealer
A composition is disclosed for preventing and repairing leaks, and lubricating gaskets and o-rings, preferably for use in a motor vehicle air conditioning system. The composition preferably...
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7127901 |
Helium management control system
A helium management control system for controlling the helium refrigerant supply from a common manifold supplies a plurality of cryogenic refrigerators with an appropriate helium supply. The system...
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7124598 |
Pressure testing and refrigerant recharging conduit assembly for automobiles
A combination pressure measurement/charging system may include a conduit coupled to a refrigerant can. The conduit may be coupled to a low-pressure side of a refrigerant system. The system may...
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7104075 |
Arrangement and method for controlling the discharge of carbon dioxide for air conditioning systems
A method and system for discharging refrigerant, such as carbon dioxide, from an air conditioning system. The discharge rate of the refrigerant from the air conditioning system is controlled by a...
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7086237 |
Method and apparatus to measure and transfer liquefied refrigerant in a refrigeration system
A method, system and apparatus for transferring a measured level of liquefied refrigerant to a refrigeration system includes the steps of purging a calibration container; filling the calibration...
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7077149 |
Fluid injection system
An apparatus for injecting a fluid into a closed pressurized system can be connected to a service port of the system. The fluid can be introduced into the system using the resting and operating...
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7051547 |
Air conditioning system for a motor vehicle
The invention relates to an air conditioning system for motor vehicles, which contains a connection piece for a pressure switch/pressure sensor, said connection piece being suitable for evacuating...
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7033508 |
Contaminant flushing device, system, and method, particularly suited for refrigeration system servicing
Fluid decontamination device includes a base having a fluid passage in it. An observation window is provided in the base for allowing a user to observe a fluid in the fluid passage. A differential...
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7032392 |
Method and apparatus for cooling an integrated circuit package using a cooling fluid
A method and apparatus for cooling an integrated circuit die. An integrated circuit package comprises an integrated circuit die. A cooling fluid makes contact with the integrated circuit die. In...
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7021080 |
Refrigerator
A refrigerant circuit ( 10 ) is formed by connecting, in the order given, a compressor ( 11 ), a four-way selector valve ( 12 ), an outdoor heat exchanger ( 13 ), an expansion valve ( 14 ), and an...
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7021069 |
Multiple refrigerating device
A multi-type refrigerator is capable of achieving a high coefficient of performance (COP) while using R32 as refrigerant and that takes account of energy saving and global warming. Refrigerating...
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7013655 |
Method and systems to provide pre-engineered components and custom designed components to satisfy the requirements of an engineered air conditioning system
A method to manufacture an engineered air-conditioning system that satisfies desired air-conditioning specifications, the engineered air-conditioning system including a refrigeration component...
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6981384 |
Monitoring refrigerant charge
An air conditioning, heating or refrigeration system includes a controller that automatically determines if refrigerant amount is above or below the desired amount within the system. In one...
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6968706 |
HVAC system with refrigerant venting
Each blow-off valve includes a valve body with a first movable wall defining a portion of the liquid fluid passage therein and a second movable wall defining a portion of the suction fluid passage...
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6948324 |
Refrigerator cooler and housing cabinet and an improved method of insertion of the refrigerator compressor unit
A refrigeration cooler is provided that includes a compartment to house a refrigeration unit. The unit is inserted into the compartment and positioned so as to avoid damaging the compartment or the...
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6901947 |
Rapid evacuation and charging system, and apparatus and methods relating thereto
A system for performing rapid charging and evacuation of systems that contain a fluid, such as cooling systems on refrigeration products. In addition, the invention relates to methods of...
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6889519 |
Fluid delivery apparatus and method
A fluid delivery apparatus provides for controlled delivery of fluids into a fluid system. The fluid delivery apparatus can allow a defined volume of fluid to be delivered to the fluid system...
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6886349 |
Brazed aluminum heat exchanger
An aluminum heat exchanger is provided. In one embodiment, the aluminum heat exchanger comprises a fin having a first aperture therethrough with a flange formed around the first aperture. The fin...
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6851269 |
Apparatus and method for calculating refill amount of refrigerant
A refrigerant refill amount calculating apparatus is provided with concentration measuring units for measuring component ratios X 1 :Y 1 :Z 1 of fluorocarbon S contained in a refrigerating...
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6843070 |
Refrigerant recycling system with single ball valve
A refrigerant handling system includes coupling apparatus for coupling a refrigerant processing apparatus to an automotive air-conditioning system. The coupling apparatus includes a ball valve...
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6826925 |
Apparatus for collecting and purifying refrigerant in air conditioning systems
An apparatus ( 100 ) for collecting and purifying a refrigerant fluid in air conditioning systems, comprising a first tubular body ( 110 ), used as evaporator and separator of impurities of...
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6823688 |
Refrigerant filler casing structure
A refrigerant filler casing structure comprises a container, having a pressure gauge accommodating groove, a main body accommodating groove, a connector accommodating groove, and a duct...
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6810681 |
Method of draining and recharging hermetic compressor oil
A method of draining and recharging a hermetic compressor with oil using a drainage assembly mounted in the compressor housing. The assembly includes a tube having a valve mounted at one end...
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6779359 |
Refrigerant processing apparatus for collected equipment, and oil separator
There are provided a high-yield economical, refrigerant processing apparatus for collected equipment which can recover and regenerate a liquid refrigerant by highly efficient thermal conversion and...
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6722141 |
Apparatus and methods for placing an additive fluid into a refrigerant circuit
A supply canister is partially filled with a refrigerant circuit additive liquid and is partially evacuated. Additive liquid from the canister may be placed into the refrigerant circuit of an air...
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6701722 |
Air conditioner and method of detecting refrigerant leakage therein
An air conditioner and method of detecting a refrigerant leakage in the air conditioner in which the entire refrigerant pipe of the air conditioner is sectioned based on expansion valves into a...
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6698216 |
Method for controlling a refrigeration unit for evaporator maintenance
A refrigeration system for cooling a logic module includes an evaporator housing including an evaporator block in thermal communication with the logic module. The evaporator housing includes a...
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6668574 |
Refrigeration manifold
A manifold for charging a system which when in use cycles a refrigerant between liquid and gaseous states is disclosed. The manifold includes a housing defining a flow passage extending from an...
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