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Match Document Document Title
US20130139533 ALTERNATING TYPE HEAT PUMP  
An alternating type heat pump has first to third rows of outdoor unit coils adapted to selectively perform the functions of an evaporator and a condenser in accordance with the outdoor conditions...
US20110120155 Room Air Conditioner And/Or Heater  
A room air conditioner and/or heat pump is shown having a compressor, indoor coil, accumulator, expansion device and reversing valve for changing between a cooling cycle and a heating cycle....
US20080098760 Heat pump system and controls  
A heat pump system is disclosed that utilizes one or two compressors and multiple heat exchangers to provide forced air heating, radiant heating and/or water heating for an interior space. A...
US20080276638 Heat pump with forced air heating regulated by withdrawal of heat to a radiant heating system  
A heat pump system is disclosed that utilizes a variable speed hydronics pump to selectively divert heat energy from a forced air heating system to a hydronics radiant heating system. By actively...
US20130118200 Heating, Ventilation and/or Air Conditioning Loop and Heating, Ventilation and/or Air Conditioning Equipment Including Such Heating, Ventilation and/or Air Conditioning Loop  
The invention relates to a heating, ventilation and/or air conditioning loop (8) inside of which flows a coolant, and including a compressor (9), an outer heat exchanger (15), a restitution heat...
US20110067427 Air Conditioning Device For Heating, Ventilation and/or Air Conditioning Installation  
The invention is related to an AC loop (12) for ventilation, heating and/or air conditioning installation comprising, according to the circulation of an refrigerant in the AC loop, at least 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...
US20120151955 Energy-Saving Heat Pump Device  
An energy-saving heat pump device includes first, second, third, and fourth pipes connected in sequence in a loop. A condenser is mounted between the first and second pipes. An expansion valve is...
US20150153078 HEAT PUMP SYSTEM FOR VEHICLE  
A heat pump system for a vehicle may include an outdoor condenser, an expansion valve, an evaporator, a compressor, and an indoor condenser that primarily condenses the refrigerant compressed...
US20150107286 HEAT PUMP  
The present invention provides a heat pump that includes: a compressor, a switching valve, an indoor heat exchanger, a first expansion valve, and an outdoor heat exchanger, wherein the outdoor...
US20110113808 HEAT PUMP  
The heat pump according to the present invention comprises a scroll compressor, and injects refrigerant to the scroll compressor by using the first refrigerant injection flow path and the second...
US20150047385 PARTITIONED EVAPORATOR FOR A REVERSIBLE HEAT PUMP SYSTEM OPERATING IN THE HEATING MODE  
Disclosed are embodiments of a partitioned evaporator for a reversible heat pump system operating in the heating mode. Embodiments include a partitioned evaporator having a first part and a second...
US20100319901 COMPACT GRILLE CABINET FOR ROOM AIR-CONDITIONERS  
This invention relates to an improved compact grille cabinet for room air conditioners operable in normal and extreme climatic conditions with optimized efficiency mode comprising of: an insulated...
US20120247142 Heat Pump Pool Heater Start-Up Pressure Spike Eliminator  
In a heat pump pool heater, undesirable compressor-created pressure spikes resulting from start-up of the heater after extended idle periods thereof are substantially eliminated by the...
US20110247354 UNDERGROUND HEAT EXCHANGER AND AIR CONDITIONING SYSTEM INCLUDING THE SAME  
An outer pipe (11), which is buried under the ground, is provided, and a heat transfer pipe (12), in which heat exchange fluid flows, is inserted into the outer pipe (11). A heat medium (13) is...
US20110154849 SYMMETRIC REFRIGERANT REGULATOR FOR FLOODED MULTICHANNEL EVAPORATOR  
A regulator of refrigerant for a refrigeration circuit with flooded evaporator. The refrigerant can be distributed to many separate evaporator channels. The flow of refrigerant can be changed so...
US20110154847 Air conditioner  
In an air conditioner having a double-pipe heat exchanger in a refrigerating cycle, the degree of opening of a bypass expansion valve is controlled easily without liquid return to a compressor and...
US20100032133 HEAT PUMP WITH INTERCOOLER  
A heat pump refrigerant system is provided with at least two sequential stages of compression. An intercooler is positioned intermediate the two stages. The refrigerant flowing through the...
US20110030404 HEAT PUMP WITH INTGERAL SOLAR COLLECTOR  
The present invention generally relates to heat pumps that utilize at least one thermal source operating with the same working fluids. In one embodiment, the present invention relates to a hybrid...
US20130219945 COMBINED HOT WATER SUPPLY AND AIR-CONDITIONING DEVICE  
A combined hot water supply and air-conditioning device supplies heat source even in a case where the outside air temperature is high such as in summertime. In heating operation, a combined hot...
US20080173035 Split system dehumidifier  
Mini, split-system dehumidifier that provides three modes of operation: heating and dehumidification, cooling and dehumidification, and dehumidification only. The dehumidifier maintains a set...
US20110265502 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,...
US20140318171 HIGH PERFORMANCE HEAT PUMP UNIT  
A heat pump unit (1) comprises at least one main circuit (2) adapted to perform a main heat pump cycle with a respective operating fluid, which comprises: a main condenser (S4) adapted to perform...
US20100282434 AIR CONDITIONING AND HOT WATER SUPPLY COMPLEX SYSTEM  
There is provided an air conditioning and hot water supply complex system that can simultaneously treat a cooling load, a heating load and a high-temperature hot water supply load and supply a...
US20140013788 HEAT-PUMP CHILLER WITH IMPROVED HEAT RECOVERY FEATURES  
A heating and cooling system includes an evaporator, a compressor, and a condenser. A heat exchanger, which may be an outdoor heat exchanger, is configured to receive the refrigerant from the...
US20110036113 HEAT-PUMP CHILLER WITH IMPROVED HEAT RECOVERY FEATURES  
A heating and cooling system includes an evaporator, a compressor, and a condenser. A heat exchanger, which may be an outdoor heat exchanger, is configured to receive the refrigerant from the...
US20110113804 HEAT PUMP  
A heat pump according to the present invention comprises a plurality of the compression chambers, and compresses refrigerant with multistage, and injects vapor refrigerant into the space between...
US20100070091 ENERGY MANAGEMENT OF HOUSEHOLD APPLIANCES  
An appliance for conditioning air of a room comprises one or more power consuming features/functions including a temperature controlling element for one of heating and cooling air. A controller is...
US20150047384 HEAT PUMP SYSTEM WITH A FLOW DIRECTING SYSTEM  
A heat pump system is provided that includes a flow directing system that allows an outdoor heat exchanger to be switchable between a single-pass arrangement and a two-pass arrangement. The heat...
US20130213077 MULTI-SPLIT AIR CONDITIONER CAPABLE OF REFRIGERATING AND HEATING SIMULTANEOUSLY  
Disclosed is a multi-split air conditioner capable of refrigerating and heating simultaneously. A heating circuit consists of a compressor (1), an oil-gas separator (2), a four-way valve (3),...
US20080196418 Method and Control for Preventing Flooded Starts in a Heat Pump  
A heat pump is provided with an improvement while switching from heating/cooling mode to a defrost mode. Prior to initiation of a defrost mode, an electronic expansion device is moved to an open...
US20110088421 AIR CONDITIONING APPARATUS  
A heat source-side refrigerant circuit A including a compressor 11, an outdoor heat exchanger 13, a first refrigerant branch portion 21 connected to the compressor 11, a second refrigerant branch...
US20110120168 COMBINED REFRIGERATING/FREEZING AND AIR CONDITIONING SYSTEM  
A combined refrigerating/freezing and air conditioning system is provided. The system may include an air conditioning circuit, a refrigerating circuit, a freezing circuit, a first heat exchanger,...
US20120312043 HEAT PUMP AND CONTROL METHOD THEREOF  
A heat pump that uses solar heat as an evaporation heat source of a refrigerant. The heat pump includes a solar heat collector, a compressor to compress a refrigerant, a first heat exchanger to...
US20150204591 Heat Pump Temperature Control  
A heat pump system that can be selectively utilized to discharge excessive heating and cooling capacity toward secondary devices of the system to maintain operation of the heat pump system to...
US20130174590 ECONOMIZER COMBINED WITH A HEAT OF COMPRESSION SYSTEM  
A refrigeration system having a cooling circuit, a heating circuit, a pressurizing receiver tank circuit, a pilot circuit and a liquid injection circuit wherein the hot gas line includes a...
US20150219372 Heat-Pump System  
Provided is a heat-pump system including a plurality of compressors, wherein the plurality of compressors includes a first compressor and a second compressor that compress refrigerant, an oil...
US20100293982 HEATING AND AIR-CONDITIONING INSTALLATION WITH A HEAT PUMP, THE INSTALLATION INCLUDING AT LEAST ONE HEAT TRANSFER FLUID DISTRIBUTOR UNIT WITH COUPLING TO A PLURALITY OF HEAT COLLECTION AND DELIVERY CIRCUITS  
The distributor unit (10) is coupled to a heat pump (12) and to various circuits for collecting (24, 28, 30) and for delivering (38, 40, 52, 56) heat, with the unit serving to provide selective...
US20150159923 ADSORPTION REFRIGERATOR  
Provided is an adsorption refrigerator that achieves high cooling capacity while reducing the volume the device as a whole occupies. The adsorption refrigerator according to the present embodiment...
US20070271943 Air-Conditioning System Provided With a Heat Pump  
The invention relates to an air-conditioning system (1), in particular a motor vehicle air-conditioning system (1) comprising a coolant circuit (2) provided with a coolant compressor (3) and a gas...
US20150121939 REFRIGERATION CYCLE DEVICE  
When a refrigerant flow-path switch performs switching to a first refrigerant flow path, an interior condenser heating air blown into an interior as a first temperature-adjustment subject and an...
US20100319369 Valve and subcooler for storing refrigerant  
A reversible HVAC heating/cooling refrigerant system includes a novel valve system that allows an outdoor heat exchanger to function as a subcooler during a cooling or defrost mode and function as...
US20100243202 HOT WATER CIRCULATION SYSTEM ASSOCIATED WITH HEAT PUMP  
A hot water circulation system associated with a heat pump. The system includes a water-refrigerant exchanger for heating the refrigerant and a pump for forcedly circulating the heated water, and...
US20110146317 Bi-directional cascade heat pump system  
A multi-mode, bi-directional cascade heat pump system, according to some examples, includes at least two chillers each being part of a unidirectional refrigerant circuit. The system includes heat...
US20120000237 HEAT PUMP SYSTEM  
A heat pump system includes a heat pump circuit, a heat load circuit, first and second heat exchangers, a flow rate adjustment element, and a controller. The heat pump circuit circulates primary...
US20150204586 Heat Pump Non-Reversing Valve Arrangement  
A heat pump system that is operable in heating and cooling modes and which maintains the direction of fluid flows through a primary heat exchanger during heating and cooling operations such that...
US20150159922 HEAT PUMP SYSTEM  
A heat pump system is provided. The heat pump system may include a compressor that compresses a refrigerant, a condenser that condenses the refrigerant, an expansion device that decompresses the...
US20120312042 HEAT PUMP BOILER AND CONTROL METHOD FOR THE SAME  
Disclosed are a heat pump boiler and a control method for the same. The heat pump boiler includes an outdoor unit having an outdoor-unit heat-exchanger, a water pipe including a water-feed pipe...
US20130180266 HEAT PUMP SYSTEM  
Disclosed are embodiments of heat pump systems and methods for operating such systems in the heating mode while a heat pump operating parameter reaches or is equal to a predetermined operating...
US20110146321 HEAT PUMP SYSTEM  
A heat pump system includes a base refrigeration circuit, a heat accumulator, an auxiliary heat exchanger and an outdoor heat exchanger defrosting and cooling means. In the base refrigeration...

Matches 1 - 50 out of 303 1 2 3 4 5 6 7 >