Matches 1 - 50 out of 298 1 2 3 4 5 6 >


Match Document Document Title
US20120210737 Variable Differential and Offset Control for Refrigeration Systems  
A beverage dispensing apparatus is characterized by a beverage dispenser and a refrigeration system for chilling beverage to be dispensed by the beverage dispenser. The refrigeration system has a...
US20100077788 CASCADING AIR-SOURCE HEAT PUMP  
An improved air-source heat pump for residential and commercial use, employing two closed refrigerant systems having different refrigerants in cascade relationship to each other to address...
US20120131933 AIR CONDITIONER AND METHOD FOR OPERATING SAME  
An air conditioner according to the present invention comprises an air handling unit comprising a fan for supplying the air mixed the indoor air with the outdoor air to the indoor space and a heat...
US20080104982 Predictive capacity systems and methods for commercial refrigeration  
A system and method in a commercial refrigeration system for compensating for events. A commercial refrigeration system includes a controller that predicts a first change in cooling capacity...
US20110036556 Tumble Dryer with a Heat Pump System and a Method for Controlling a Heat Pump System for a Tumble Dryer  
A tumble dryer with at least one heat pump system has an air stream circuit (10) including at least one drum (12) for receiving laundry to be dried, at least one refrigerant circuit (14) including...
US20120222434 Adaptive Beater and Scraper Speed Control for Frozen Product Dispensers  
A controller for a drive motor for a scraper of a frozen product dispenser operates the drive motor to rotate the scraper at selected ones of a plurality of different speeds within a freeze barrel...
US20080298957 INLET AIR CONDITIONING SYSTEM  
An embodiment of the present invention provides an air conditioning system located upstream of the inlet system for a gas turbine. The air conditioning system may comprise at least one...
US20120085112 HEAT PUMP HUMIDIFIER AND DEHUMIDIFIER SYSTEM AND METHOD  
A heat pump system for conditioning air supplied to a space is provided. The system includes a pre-processing module that pre-conditions supply air. A supply air heat exchanger is in flow...
US20120111032 HEAT PUMP SUPPLY APPARATUS HAVING A COMBINED USE WITH AN AIR CONDITIONER  
A hot water supply apparatus for combined use with an air conditioner is provided that may include an indoor unit having an indoor heat exchanger to heat exchange a first refrigerant with indoor...
US20120167602 PRESSURE SPIKE REDUCTION FOR REFRIGERANT SYSTEMS INCORPORATING A MICROCHANNEL HEAT EXCHANGER  
A refrigerant system includes at least one compressor (54, 56) that compresses refrigerant and delivers it downstream to a heat rejection heat exchanger (26). The heat rejection heat exchanger is...
US20080209930 Heat Pump with Pulse Width Modulation Control  
A heat pump is provided with a component that has a pulse width modulation control to adjust system capacity. Thus, by utilizing a pulse width modulation technique to control this component, the...
US20120285186 HEAT PUMP SYSTEM  
A heat pump system includes a heat source unit, a usage-side unit, and a usage-side controller. The heat source unit has a heat source-side compressor for compressing a heat source-side...
US20140305151 BEVERAGE DISPENSER  
A compact beverage dispensing unit includes a cooling system and a housing. A dispensing channel is defined in the housing. The dispensing channel is configured to allow associated beverage...
US20070101735 HEAT PUMP APPARATUS USING EXPANDER  
A heat pump apparatus includes a compressor, a motor, an expander, a generator, and a variable-speed converter. The variable-speed converter is connected to the generator and converts alternating...
US20130000341 HEAT EXCHANGER FOR A REFRIGERATED AIR DRYER  
A refrigerated air dryer includes a three-path heat exchanger 18 having an air path 18a, a refrigerant path 18b, and a fluid path 18c. The three flow paths exchange heat within a single unit to...
US20110100042 REFRIGERATING CYCLE DEVICE AND AIR CONDITIONER  
A compressor for compressing a refrigerant containing a substance having a double bond, a condenser for condensing the refrigerant by heat exchange, expanding means for decompressing the condensed...
US20080000246 Conveying Temperature Information in a Controlled Variable Speed Heating, Ventilation, and Air Conditioning (HVAC) System  
The present invention provides methods and apparatuses that support the transfer of data from a thermostat unit to a controller unit to control a variable speed heating, ventilation, and air...
US20140230464 ENTHALPY BASED CONTROL FOR A REFRIGERATION APPLIANCE  
A control system for a refrigeration appliance is provided. The control system uses a linear model that is designed to minimize or remove excess enthalpy from one or more compartments and/or...
US20150168041 AIR CONDITIONER WITH MULTIPLE EXPANSION DEVICES  
In various implementations, an air conditioner may include more than one expansion device. Refrigerant flow through the expansion device(s) may be controlled based at least partially on an...
US20100037642 COMPRESSOR CAPACITY CONTROL OPERATION MECHANISM AND AIR CONDITIONER PROVIDED WITH SAME  
A compressor capacity control operation mechanism includes a pilot valve (flow channel switching valve) having capillary tubes, a suction branching pipe, an intermediate pipe, and a discharge...
US20120210736 CASCADE FLOATING INTERMEDIATE TEMPERATURE HEAT PUMP SYSTEM  
A cascade heat pump system is configured with variable-speed compressors which allow operation at a high system coefficient of performance for a given thermal load. An electronic control module...
US20140338376 THERMAL MANAGEMENT SYSTEM FOR VEHICLE HAVING TRACTION MOTOR  
A thermal management system for a vehicle includes a traction motor and a battery pack. The thermal management system comprises a battery circuit for cooling a battery circuit thermal load...
US20110083450 Refrigerant System With Stator Heater  
A refrigerant system adapted to reduce refrigerant migration therein includes a compressor and a controller. The compressor has a motor with motor windings. The motor windings are responsive to...
US20120260688 HEAT PUMP SYSTEM  
A heat source unit has a capacity-variable heat source-side compressor and a heat source-side heat exchanger which functions as a radiator of refrigerant. Usage units are connected to the heat...
US20110174005 REFRIGERATING APPARATUS  
A refrigerating apparatus having a plurality of compressors includes an injection circuit (40) which includes a first injection pipe (37) branched from a first refrigerant pipe (32) of a...
US20110277488 Pool Heating System and Method  
A pool heating system is disclosed. The pool heating system includes, in some embodiments, an immersed condenser coil. In some embodiments, the immersed condenser coil is immersed in pool of water...
US20120192582 HEAT PUMP INTEROPERATING HOT WATER FEEDING APPARATUS  
A heat pump interoperating hot water feeding apparatus is provided that may determine whether to activate only the first coolant circulation circuit along which the first coolant is circulated or...
US20120073316 CONTROL OF A TRANSCRITICAL VAPOR COMPRESSION SYSTEM  
A transcritical vapor compression system includes a compressor for compressing a refrigerant, a first heat exchanger for cooling the refrigerant, an expansion device for decreasing the pressure of...
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...
US20090133418 Plug-in circuit and cooling system thereof  
The present invention relates to a plug-in circuit and a cooling system thereof. The cooling system includes the plug-in circuit, an external terminal and an alternating current (AC) compressor,...
US20140165633 AIR COMPRESSOR  
An air compressor system is disclosed that includes a housing sized to enclose an air compressor pump as well as a dryer structured to remove moisture from air that is compressed by the compressor...
US20140260368 HEAT PUMP DEFROSTING SYSTEM AND METHOD  
A heat pump system for conditioning regeneration air from a space is provided. The heat pump system is operable in a winter mode and/or a summer mode, and may be selectively operated in a defrost...
US20060191275 Multi-air conditioner central control system and power control method thereof  
Disclosed herein are a multi-air conditioner central control system and a power control method thereof. The central control system comprises a plurality of watt-hour meters for measuring power...
US20150027152 CONTROL OF AN AUTOMOTIVE AIR CONDITIONING SYSTEM WITH AIR REHEATING BASED ON INTERNAL COMBUSTION ENGINE COOLANT FLOW CONTROL  
An automotive air conditioning system comprising: an air cooling circuit including a compressor, a condenser, an expansion valve and an evaporator, fluidically connected to be flowed, during...
US20120297805 COOLING SYSTEM FOR BATTERY  
A cooling system of a battery which efficiently cools a high voltage battery which is mounted in an electric vehicle or a hybrid vehicle so as to maintain battery performance by using a...
US20120023980 REFRIGERATOR AND CONTROLLING METHOD OF THE SAME  
Disclosed are a refrigerator and a controlling method of the same. A change amount of a refrigerating chamber temperature, or a change amount of a freezing chamber temperature may be calculated...
US20140260390 SYSTEM FOR REFRIGERANT CHARGE VERIFICATION  
A diagnostic system for a refrigeration system including a condenser is provided. The diagnostic system may include a controller determining a subcooling temperature of the refrigeration system,...
US20140137587 METHOD FOR STORING FOOD ITEMS WITHIN A REFRIGERATOR APPLIANCE  
A method for storing food items within a refrigerator appliance is provided. The method includes placing a plurality of food items within a chilled chamber of the refrigerator appliance and...
US20060037332 Air-conditioner and method for controlling driving thereof  
Disclosed are an air-conditioner capable of connecting a single stage indoor unit to a two-stage outdoor unit, and of improving an ability thereof to correspond to a heating load or a cooling...
US20080120985 ROTARY COMPRESSOR, CONTROL METHOD THEREOF, AND AIR CONDITIONER USING THE SAME  
A rotary compressor includes a cylinder to form a first compressing chamber and a second compressing chamber partitioned from each other and including a first vane slot and a second vane slot...
US20060248907 DC-powered HVAC system  
An HVAC system for a motorized vehicle or vessel is provided that includes a variable-speed compressor, a variable-speed condenser fan and a variable-speed evaporator fan. The HVAC system further...
US20060090490 Air-conditioning assembly  
A temperature sensing assembly for monitoring a temperature of a pipe in a system. The temperature sensing assembly includes an insulator body having a first end, a second end, an outer surface,...
US20070157649 Method and a control unit for starting a compressor  
A method and a control unit for starting a compressor (3) in a refrigeration system (1) further comprising a condenser (2) and an evaporator (4). If an attempt to start-up the compressor (3) is...
US20150184913 ENGINE DRIVEN HEAT PUMP  
An engine driven heat pump includes a temperature switch that opens and closes in accordance with the peripheral temperature of an inverter and a control device that includes a signal reception...
US20100024455 DYNAMIC SUPERHEAT CONTROL FOR HIGH EFFICIENCY REFRIGERATION SYSTEM  
A vapor compression refrigeration system including components capable of determining the superheat at a compressor inlet is provided. The vapor compression refrigeration system may include sensors...
US20120073317 REFRIGERATOR  
A refrigerator includes a compressor to compress refrigerant, a condenser to liquefy the refrigerant supplied from the compressor, a capillary tube to decompress and expand the refrigerant...
US20060242976 Air conditioner and control system therefor  
An air conditioner includes: a compressor configured to compress a refrigerant; an outside heat exchanger configured to make the compressed refrigerant radiate heat; a pressure reducing unit...
US20080196430 VARIABLE RESTRICTOR  
A variable restrictor including a tube with first and second ends of a first cross-sectional area and a region between the ends of reduced cross-sectional area. The region comprises a flattened...
US20080028780 METHOD FOR CONTROLLING START-UP OPERATION OF AIR CONDITIONER  
A method for controlling a start-up operation of an air conditioner having a compressor and an indoor and an outdoor fan includes the steps of: (a) calculating indoor cooling/heating load; (b)...
US20140130527 Helium Management Control System  
A refrigerant management system controls the supply of refrigerant from two or more variable speed and fixed speed compressors to a plurality of cryogenic refrigerators. The system employs a...

Matches 1 - 50 out of 298 1 2 3 4 5 6 >