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7600388 |
Refrigerator with an air filter/freshener system
A refrigerator incorporates an air filter for filtering an airflow passing along at least one refrigeration component into surrounding spaces. The air filter is positioned in an upper machine...
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7581409 |
Cooling system and method
The present invention related to cooling systems. More specifically, the present invention relates to a system for cooling one or more parts of a building and or processes comprising a compressor,...
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7490481 |
Vapor compression system startup method
A method of controlling a startup operation in a heat pump water heater system prevents inadvertent shutdowns and/or low operating efficiencies via closed loop control of the system. The method...
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7490477 |
System and method for monitoring a condenser of a refrigeration system
A system for monitoring a remote refrigeration system includes a plurality of sensors that monitor parameters of components of the refrigeration system and a communication network that transfers...
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7434416 |
Air-conditioning system
An air-conditioning system includes a refrigeration cycle and a control unit. The refrigeration cycle includes an electric compressor in which a compression mechanism for drawing a refrigerant...
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7426837 |
Refrigerator
A refrigerator includes a compressor compressing a refrigerant, a first liquid heat exchanger performing heat exchange between the refrigerant and a first liquid heat medium, an expander expanding...
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7367199 |
Method for automatically balancing air conditioning outdoor heat exchange
A method for automatically balancing air conditioning outdoor heat exchange detects a piping measured value of each piping equipment through a detection unit and compares the piping measured value...
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7350368 |
Stationary vehicle air conditioning system
The invention pertains to a stationary vehicle air conditioning system with a refrigerant circuit, in which at least one compressor circulates the refrigerant to at least two condensers. The at...
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7337624 |
Refrigeration system and method for beverage dispenser
A method of regulating the refrigerant temperature for a beverage machine, including a refrigeration system for producing a frozen beverage, operating at least one compressor at a speed to flow the...
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7287395 |
Distributed cooling system
A system includes a plurality of distributed refrigeration units respectively coupled to discrete refrigeration circuits. Each refrigeration unit may include a variable compressor, a fixed...
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7276138 |
Vapor generating and recovery apparatus
A vapor generating and recovery apparatus including a housing having an open top, a closed bottom and a plurality of sidewalls therebetween defining a boiling sump with a treating solution therein....
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7275378 |
Speed and system pressure control for cooling fan
A method and system for controlling a cooling fan that cooperates with an air conditioning condenser in a vehicle. The present embodiments include steps and corresponding implementations for...
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7273672 |
Solid polymer electrolyte fuel cell
The present invention provides a solid polymer electrolyte fuel cell comprising a fuel cell stack 21 formed by laminating a plurality of fuel cell units each of which includes a fuel electrode ...
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7246500 |
Variable speed condenser fan control system
A controller comprises a first input that receives a signal indicating an energy consumption value of a compressor, a second input that receives a signal indicating an energy consumption value of a...
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7225629 |
Energy-efficient heat pump water heater
An energy-efficient heat pump water heating system determines whether to energize a heat pump by interpreting readings from one or temperature sensors based on two thresholds. The heat pump is...
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7210303 |
Transcritical heat pump water heating system using auxiliary electric heater
Refrigerant is circulated through a vapor compression system including a compressor, a gas cooler, an expansion device, and an evaporator. An auxiliary electric heater is activated to further heat...
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7181920 |
Cooling plant for a fluid with control of variables
Cooling plant for a “cooled” fluid, able to cool and/or dry the fluid by means of cooling substantially to a pre-established temperature, the plant comprising a heat exchanger ( 17 ), to cool...
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7174731 |
Rotational speed control system, rotatingly driving system, air blow system, clean bench, outdoor unit of air conditioner
This invention relates to a rotational speed control system including a plurality of motor drivers for driving motors, and the object thereof is to drive a plurality of motors at the same...
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7174732 |
Cooling control device for condenser
Cooling control device for a condenser is provided which includes the condenser, a cooling device for cooling the condenser, and a control device for controlling the cooling device. The cooling...
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7127905 |
Vapor compression system startup method
A method of controlling a startup operation in a heat pump water heater system prevents inadvertent shutdowns and/or low operating efficiencies via closed loop control of the system. The method...
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7117691 |
Device for controlling liquid level position within condenser in rankine cycle apparatus
In a liquid-level-position control device for a condenser in a Rankine cycle apparatus, first and second reference liquid level positions are set. When a position of the fluid level is lower than...
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7021071 |
Method and apparatus for controlling cooling fan of vehicle
A driving load of a cooling fan unit is selectively determined from a plurality of predetermined loads corresponding to vehicle parameters including a coolant temperature and a vehicle speed. Also,...
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7021070 |
System and method for cooling air
A system and method for cooling air includes using a refrigerant cooling system and further using a refrigerant liquefaction subsystem or method that includes using a heat sink cooler...
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7003968 |
Motor vehicle air-conditioning installation equipped with an electronic control device
The invention proposes an air conditioning installation furnished with an injection computer ( 42 ), with an air conditioning apparatus and with an electronic control device ( 401 ). The...
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7000411 |
Apparatus for controlling outdoor unit's louver blades and its method
An apparatus and method for controlling louver blades of a compressor/condenser unit are provided which can improve efficiency of the compressor/condenser unit based on a position of the louver...
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6964175 |
Evaporative heat rejection
A heat rejection apparatus includes an object conducting heat to be rejected, with an absorptive material on the outside of the object. A water system deposits water on the absorptive material to...
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6959558 |
Systems and methods for head pressure control
The present invention relates to systems and methods for controlling head pressure in a vapor compression system, e.g. in a precision air conditioning system. One embodiment of the invention...
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6948326 |
Apparatus for controlling operation of outdoor unit and its method
The present invention discloses an apparatus and method for controlling an operation of an outdoor unit which can efficiently control the outdoor unit by mounting sensors on the outdoor unit. The...
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6883340 |
Vehicle air conditioning control apparatus
A vehicle air conditioning control apparatus having an externally controlled type compressor 3 and an externally controlled type cooling electric fan 9 is disclosed in which a control map, for...
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6871507 |
Expansion valve metered control of water misters
An apparatus is described for applying a fine mist of water to an air conditioner condenser coil for increasing the heat transfer thereof. A water source under normal utility pressure is tapped for...
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6802185 |
Control device for motor fan of vehicle
A control device for a motor fan of a vehicle, which controls the motor fan to cool a radiator for engine coolant and a condenser for air conditioner refrigerant, includes: a first command value...
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6718779 |
Method to optimize chiller plant operation
A chiller plant which produces chilled water for airconditioning, or an industrial process and which is comprised of chillers, cooling fluid pumps, and cooling towers with electrical motor drives...
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6637229 |
Cooling fan control method for minimizing the power consumption of a vehicle air conditioning system
An improved control method for a vehicle air conditioning system including a refrigerant compressor and a condenser cooling fan adjusts the power consumption of the condenser cooling fan in a...
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6606872 |
Active refrigerant circuit using condenser fan of an inactive circuit
A chiller system includes at least two refrigerant circuits. In a low ambient temperature condition, only one refrigerant circuit is activated, but its condenser fan is de-energized. To provide...
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6536221 |
Air conditioning heat recovery arrangement
In combination with a residential air conditioning system and a water fixture with a water recirculation loop, such as a swimming pool, a refrigerant-to-water heat exchanger having a tank with...
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6523361 |
Air conditioning systems
An air conditioning system includes a refrigerant circuit. The refrigerant circuit includes a compressor for receiving a refrigerant gas and for compressing the refrigerant gas, and a condenser for...
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6474086 |
Air conditioner having functions of fire preventing, smoke exhausting and water spraying
An air conditioner having functions of fire preventing, smoke exhausting and water spraying includes a sensor for sensing smoke or temperature so as to control operation of a wind-releasing gate, a...
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6460211 |
Apparatus for ozonating a dry cleaning machine after a solvent cycle and method thereof
This invention concerns a ozone injector system for injecting ozone into a dry cleaning machine after a solvent cycle has completed while recirculating solvent residual gas that has gravitated...
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6446448 |
Cooling tower for automatically adjusting flow rates of cooling water and cooling air with variations of a load
A cooling tower for automatically adjusting flow rates of cooling water and cooling air with variations of a load comprises a plurality of thermometers; a hygrometer; at least one controllers; a...
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6430949 |
Heat-pump water heater
In a heat-pump water heater, an ECU sets a target temperature difference between water flowing into a water heat exchanger and refrigerant flowing out from the water heat exchanger, and controls a...
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6427474 |
Hydraulic supply assembly and installation equipped with same
The invention concerns an assembly wherein a tank connects a return orifice to a delivery conduit via pumps. The tank is further connected to a surge tank. The tank is mounted in a steam proof...
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6418738 |
Air conditioner used in electric vehicle
The present invention aims at providing an air conditioner used in an electric vehicle which can exert a sufficient cooling performance without enlarging the size of a motor for driving a...
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6381980 |
Pulsed-water condenser cooler
A sprinkler system for a condenser unit of an air conditioning system comprises a flue with a temperature responsive valve assembly releasably mounted therein. The flue is mounted atop the...
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6354096 |
Vehicular cooling system
Fan horsepower requirements and the size of power train heat exchangers may be reduced in a vehicular cooling system that includes an inlet ( 14 ) for the receipt of ambient air and first and...
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6349552 |
Temperature control device for thermal medium fluid
A temperature control device for a constant temperature chiller unit or a vending machine is provided. Thermal medium fluid such as water in the chiller unit is accurately controlled under starting...
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6318098 |
Ambient temperature control for absorption refrigerator
A ventilation system for an absorption refrigerator having a condenser and an absorber and located in a slide-out room of a recreational vehicle. The ventilation system includes a generally...
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6298682 |
Condensate deflector for an air conditioner
An orifice member for the condenser fan of an air conditioning unit. The air conditioning unit has a basepan, which supports a condenser coil and a condenser fan disposed forwardly of the condenser...
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6257007 |
Method of control of cooling system condenser fans and cooling tower fans and pumps
A variable capacity compression type cooling system improves operating efficiency by modulating speed of the condenser pump motor and/or a cooling tower fan motor, in response to the loading level...
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6205803 |
Compact avionics-pod-cooling unit thermal control method and apparatus
A thermal control method and apparatus flows refrigerant of a vapor compression system through a plate of an avionics pod so as to provide a compact and efficient cooling technique for aircraft...
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6131402 |
Apparatus and method of operating a heat pump to improve heating supply air temperature
An apparatus and method for a heat pump operating in the heating mode controls the condenser air flow rate and the condenser exiting air temperature depending in a first embodiment on the...
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