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WO/2009/154047 |
Provided are a heat exchanger and an air conditioner equipped with the heat exchanger. The heat exchanger has enhanced heat exchange ability and reduced airflow resistance. These are achieved by using heat transfer tubes which are not ...
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WO/2009/150763 |
An air conditioning device is characterized in that a compressor, a condenser, a pressure reducer, and an evaporator are connected, a refrigerant circulates therein, and a mixed refrigerant obtained by mixing a first refrigerant such as ...
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WO/2009/150824 |
In an air conditioner (10) constructed from a refrigeration apparatus, a cooling member (50) is provided between an expansion valve (43) and an outdoor heat exchanger (42) in the refrigerant path (20). The cooling member (50) cools a pow...
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WO/2009/151830 |
A refrigerant system has a condenser of microchannel design and construction and includes a reheat cycle. The reheat cycle includes a refrigerant flow control device, such as a three-way valve, for selectively routing at least a portion ...
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WO/2009/150761 |
A refrigeration cycle device (100) in which a flammable refrigerant circulates comprises a bypass pipeline (5) connected such that part of the refrigerant flowing through a circulation pipeline from a condenser (2) to a flow control valv...
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WO/2009/151033 |
A large harmonic current flows through an armature winding (16CR) during a high‑load heating operation to inductively heat a rare earth magnet (14MRb) and reduce the residual magnetic flux density. The rotational speed of a radial gap ...
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WO/2009/151087 |
A refrigeration device, wherein, when the operation of the device is in a stop state, a low pressure is constantly maintained to a level lower than a preset pressure to reduce leakage of a refrigerant. A refrigeration device (1), wherei...
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WO/2009/150798 |
Disclosed is a freezer device including a gas-venting pipe (62) that provides communication between the gas-layer portion of a receiver (35) and the intermediate pressure chambers of compressors (31, 32), and a gas-venting valve (63) pro...
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WO/2009/148933 |
This disclosure relates to a improved thermodynamic cycle with power unit and venturi, a method of producing a useful effect therewith using a greater pressure gradient created locally in a fluid using the venturi, and more particularly,...
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WO/2009/147852 |
Provided is a freezing device (1) including a plurality of compressors formed by a variable-volume compressor (21a) and fixed-volume compressors (21b, 21c) which are connected in parallel to one another. An intermediate port (5) of the ...
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WO/2009/147826 |
Disclosed is a refrigeration cycle device (100) comprising a low-pressure stage compressor (113), a high-pressure stage compressor (101), a radiator (103), a gas-liquid separator (107), an expansion valve (109), an expander (105), and an...
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WO/2009/147882 |
Provided is a refrigeration cycle apparatus that uses a first compressor, and a second compressor driven by an expander, and which is a high-efficiency refrigeration cycle apparatus provided with a high and low pressure heat exchanger, a...
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WO/2009/147803 |
Disclosed is a heat pump unit able to prevent freezing of the drain opening of a drain pan provided in an evaporator. The heat pump unit (1) comprises a refrigeration circuit (16) principally configured from an evaporator (11), a compres...
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WO/2009/144402 |
The invention relates to a plant for the producing cold, heat and/or work. The plant includes: at least one modified Carnot machine comprising a first assembly that includes an evaporator Evap combined with a heat source, a condenser Con...
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WO/2009/142067 |
A refrigerating cycle device in which, even if large power is required to start up an expander, the expander can be started up by starting up a compressor. An air conditioner provided with a first compressor (1) for compressing a refrige...
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WO/2009/142023 |
A fluid machine (101) is provided with a first compressor (107) and a second compressor (108). The first compressor (107) has a first sealed container (111), a first compression mechanism (102a), an expansion mechanism (104), and a shaf...
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WO/2009/142004 |
Provision is made for a heat storage tank (37) for storing a heat medium heated by a heat source-side heat exchanger (23) in a heat transfer circuit (30) which circulates the heat medium between the heat source-side heat exchanger (23) a...
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WO/2009/142659 |
A chiller system operable to cool a flow of chiller fluid includes a first compressor operable to compress a fluid and discharge the compressed fluid to an outlet manifold, a condenser in fluid communication with the outlet manifold and ...
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WO/2009/141956 |
Connection between a first compressor (compressor integral with expander) and a second compressor only by an equalizer pipe may cause insufficient lubrication of the first compressor, causing a reduction in reliability of a fluid machine...
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WO/2009/142540 |
The invention can be used for cooling air in refrigerating plants with a relatively small-capacity refrigerator. The inventive air cooling method involves concentrating coolant vapours, cooling and condensing said vapours and throttling ...
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WO/2009/142014 |
A fluid machine (110) is comprised of a power recovery mechanism (105) which recovers power from the working fluid, a sub-compressor (102) which is driven by the recovered power, and a shaft (12) which links the power recovery mechanism ...
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WO/2009/142658 |
A chiller system includes a compressor operable at a compressor speed between a first speed and a second speed to deliver a flow of compressed fluid to a manifold at a compressor pressure and a condenser in fluid communication with the m...
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WO/2009/142101 |
A refrigeration cycle provided with a compressor, a condenser, a pressure reducing and expanding means, an evaporator, and an inner heat exchanger for exchanging heat between the refrigerant on the exit side of the condenser and the refr...
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WO/2009/141993 |
Disclosed is an expander-integrated compressor (100) including a compression mechanism (2) for compressing a working fluid, an expansion mechanism (3) for expanding the working fluid, and a shaft (5) for coupling the compression mechanis...
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WO/2009/140370 |
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 a closed-loop refrigerant circuit in ser...
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WO/2009/140370 |
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 a closed-loop refrigerant circuit in ser...
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WO/2009/139187 |
A refrigeration device has a first branch pipe (34) into which a liquid refrigerant diverted from a liquid pipe (33) flows and in which a supercooling expansion valve (29) is mounted, a supercooling heat exchanger (28) mounted in the liq...
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WO/2009/140372 |
A refrigerant vapor compression system using CO2 as the working fluid and operating in a transcritical cycle, compression of the refrigerant is accomplished by use of a digital scroll compressor adapted to a variable duty cycle in a puls...
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WO/2009/136581 |
An air-conditioning device (1) is provided with a two-stage compression type compression mechanism (2), a heat source side heat exchanger (4), an expansion mechanism (5), a use side heat exchanger (6), a switching mechanism (3), a first ...
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WO/2009/136566 |
In a freezing cycle comprising a compressor, a condenser, a depressurization and expansion means, and an evaporator, R1234yf is used as the refrigerant, the refrigerant on the exit side of the evaporator is in superheated state, and the ...
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WO/2009/136565 |
Provided is a compressor for compressing a refrigerant characterized in that HFO1234yf is used as a refrigerant, and the sectional area of a channel in a main pressure loss generating section is enlarged to be 1.05-1.40 times the section...
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WO/2009/133859 |
Provided is a freezing circuit including a compressor such as a compressor having a built-in motor, a condenser, a decompression/expansion means, and an evaporator. The freezing circuit uses R1234yf as a coolant and arranges a radical-c...
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WO/2009/133858 |
Disclosed is a refrigeration circuit for a vehicle air-conditioning system provided with a compressor, a condenser, a decompression/expansion means and an evaporator (in that order), wherein R1234yf is used as the refrigerant and a shut-...
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WO/2009/133644 |
A multichamber type air conditioner arranged such that the refrigerant having some fear of impact on the human body does not leak into a room wherein an indoor unit is installed and capable of simultaneous cooling/heating operation. An a...
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WO/2009/133706 |
A refrigeration device using a refrigerant operating in a process in a supercritical condition can, even if a load varies, achieve improved performance coefficient with reliability of devices maintained. A heat source heat exchanger (4)...
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WO/2009/133707 |
An air-conditioning device (1) is provided with a main refrigerant piping (11) that constitutes a refrigerant circuit (10) and with a bypass piping (12) that is connected to the main refrigerant piping (11) and whereon electrical equipme...
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WO/2009/133868 |
Disclosed is a refrigeration unit that is capable of improving compression efficiency while increasing the efficiency of heating water for hot water supply. A hot water supply device (1) handles water in a water circuit (910), comprising...
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WO/2009/133643 |
An air-conditioning apparatus comprises a heat source side cooling medium circuit (A) in which a compressor (11), an outdoor heat exchanger (13), a cooling medium flow rate controller (22), and an intermediate heat exchanger (21) are seq...
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WO/2009/131083 |
An air conditioner (1) uses carbon dioxide as the refrigerant and is provided with a two-stage compression type compression mechanism (2), a heat source heat exchanger (4), an expansion mechanism (5), a utilization heat exchanger (6), a ...
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WO/2009/130984 |
A heat exchanging system (10) comprises a heat exchanger (1) including a tube (2) through which a first fluid flows and a plurality of fins (3) made from thin plates attached to the tube (2) and arranged parallel to each other in the dir...
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WO/2009/131088 |
An air conditioner (1) uses carbon dioxide as the refrigerant and is provided with a two-stage compression type compression mechanism (2), a heat source heat exchanger (4), an expansion mechanism (5), a utilization heat exchanger (6), a ...
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WO/2009/130929 |
A refrigeration air conditioner in which an expansion mechanism more efficiently recovers power and which as a whole works and saves energy more efficiently. The refrigeration air conditioner has a main compressor (4) for compressing ref...
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WO/2009/131300 |
The present invention relates to a dual refrigerating machine, and an object of the present invention is to provide a dual refrigerating machine in which strokes of compressors of components of two independent refrigerators are lowered a...
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WO/2009/128271 |
In an ejector-type refrigeration cycle device provided with a first compression mechanism (11a) and a second compression mechanism (21a), a refrigerant outlet of a suction-side evaporator (16) is connected to a refrigerant suction port (...
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WO/2009/128487 |
A refrigerating apparatus in which a working refrigerant is brought into a supercritical state in at least a part of a refrigerating cycle and a compression work can be reduced while refrigerator oil is prevented from being exhausted. A ...
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WO/2009/128813 |
A refrigerant system operates in an environment defined by three distinct temperature levels, such as, for instance, the outdoor ambient temperature level, the indoor temperature level and the refrigeration temperature level. The refrige...
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WO/2009/129178 |
A stability control algorithm (300) is provided for a centrifugal compressor (120,108,119). The stability control algorithm is used to control a variable geometry diffuser (119) and a hot gas bypass valve (134) (when provided) in respons...
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WO/2009/125776 |
Disclosed is a temperature and humidity regulating apparatus for resolving the problems of energy waste and an inability to regulate the temperature of a gas stream such as an air stream across a broad range and to regulate the humidity ...
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WO/2009/121153 |
The mounting arrangement is applied to a refrigeration compressor having a shell (1) externally carrying energizing pins (2) and comprises: a connector (10) to be mounted to the shell (1) and having a non- electric conducting base body (...
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WO/2009/121549 |
A liquefier (500) for a heat pump includes a liquefier space (510) and a process water tank (600). The process water tank is arranged within the liquefier space such that it is substantially surrounded by liquefied working fluid. A wall ...
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