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WO/2011/161953 |
Disclosed is a refrigeration cycle apparatus (100) provided with a compressor (2), a heat radiator (3), a positive-displacement fluid machine (4), an evaporator (7), and an injection passage (10f). The positive-displacement fluid machine...
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WO/2011/135805 |
A refrigeration cycle device (100) is provided with a refrigerant circuit (106), an injection flow path (111), and a high-pressure introduction flow path (130). The refrigerant circuit (106) has a low-pressure stage compressor (105), a h...
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WO/2011/121963 |
The disclosed refrigeration device is provided with a refrigerant circuit (11), wherein an expander (30) that allows the refrigerant to expand, generating motive power, and a compressor (20) are connected, and a refrigeration cycle is co...
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WO/2011/117924 |
Provides is a refrigeration cycle apparatus wherein power is always recovered over a wide operation range even when it is difficult to optimally adjust the high pressure-side pressure due to the restriction for maintaining a constant den...
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WO/2011/100974 |
The apparatus comprises a cooling arrangement with an expander/compressor system, condenser and evaporator primarily for air conditioning. An external heat source is provided for transfer of heat to the expander housing. For example, thi...
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WO/2011/089638 |
A positive displacement expander provided with an expansion mechanism for generating power using fluid energy occurring when a high-pressure fluid supplied to expansion chambers (81a, 82a), which are divided by an orbiting scroll or a ro...
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WO/2011/083510 |
Provided are a refrigeration cycling device that is capable of flow rate matching without pre-expansion or by-passing an expansion mechanism, and an expander installed in such a refrigeration cycling device. A refrigeration cycling devic...
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WO/2011/036741 |
A refrigeration cycle device is provided with: a refrigeration cycle formed by sequentially connecting by means of piping a first compressor (1), a heat dissipater, an expander (8) for expanding a refrigerant which has passed through the...
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WO/2011/004790 |
Disclosed is a liquid evaporation-type cooling device comprised of an evaporator (1) which boils and evaporates an evaporative liquid for low-temperature energy by reducing the pressure, a condenser (2) which condenses vapor, an indirect...
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WO/2010/143343 |
Disclosed is a refrigeration cycle device (100A) comprised of a first compressor (1) containing a first compression mechanism (11), an expansion mechanism (13), and a first motor (12); a second compressor (2) containing a second compress...
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WO/2010/140324 |
Provided is a refrigerating cycle device capable of volume flow matching without pre-expansion. The refrigerating cycle device comprises: a refrigerating cycle circuit (30) in which a compression unit (a main compressor (5) and a seconda...
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WO/2010/087126 |
A boiling-water nuclear power plant supplies steam from a nuclear reactor to a high-pressure turbine and a low-pressure turbine. Water generated by concentrating the steam in a steam condenser is heated by low-pressure and high-pressure...
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WO/2010/029781 |
Provided is a refrigeration cycle device which can operate efficiently by enhancing the cooling capacity of water sprinkling while controlling reduction in collection power of an expansion machine. A refrigeration cycle device comprises ...
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WO/2010/021137 |
The freeze cycling device (100A) is provided with a first compressor (101) that is an integrated expander compressor, a second compressor (102) and a control device (300). When the oil surface (S1) of the first oil bank (13) becomes lowe...
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WO/2010/007730 |
A refrigeration cycle device is provided with a first compressor (1) which is an expander-integrated compressor and also with a second compressor (2). A first compression mechanism (11) of the first compressor (1) and a second compressi...
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WO/2009/150811 |
A turbine impeller (5) is equipped with multiple blades (52) provided along the circumferential direction around a shaft (X). Each blade (52) has only one impact surface (53), which is impacted by a fluid, in the thickness direction of t...
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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/2009/142023 |
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/2009/133644 |
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/2009/119003 |
An expansion mechanism for introducing a refrigerant into a fluid chamber of the expansion mechanism through an auxiliary suction path, wherein a dead volume in the auxiliary suction path in a closed state thereof is reduced to improve p...
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WO/2009/113132 |
A turbine generator (1) has a gas refrigerant storage space (10) over a power generation mechanism (2) of casings (3, 4, 5) and has a liquid refrigerant storage space (11) under the power generation mechanism (2). The turbine generator (...
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WO/2009/107828 |
A waste heat regeneration system comprises a heat exchanger for exchanging heat between a refrigerant for a refrigerating cycle system and a working medium for a Rankine cycle system. The temperatures of the refrigerant and the working m...
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WO/2009/101818 |
A refrigeration cycle device (100) has a first compressor (101), a second compressor (102) parallelly connected in a refrigeration circuit (200) to the first compressor (101), a heat dissipater (103) for cooling refrigerant compressed by...
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WO/2009/098862 |
A refrigeration circuit (11) has an oil separator (60) for separating oil from a high-pressure refrigerant and also has an oil supply circuit (70) for supplying the oil, separated by the oil separator (60), to a compression mechanism (20...
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WO/2009/098863 |
A refrigeration circuit (11) has an oil separator (60) for separating oil from a high-pressure refrigerant and also has a recovery mechanism (40) for recovering energy of the separated oil. Power recovered by the recovery mechanism (40) ...
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WO/2009/064760 |
The present invention is drawn to a method for creating a refrigeration system comprising a piston device for the compressor and expander functions normally provided by a Carnot cycle. Solutions for modifying the overall system to utiliz...
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WO/2009/047898 |
A refrigeration cycle device (100) has a first compressor (101), a second compressor (102) placed parallel to the first compressor (101), a heat radiator (103) for cooling a refrigerant compressed by the compressors (101, 102), an expand...
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WO/2008/139877 |
A system for utilizing waste heat from a vehicle has a Rankine circuit, and the Rankine circuit has a fluid machine. An electric power generation unit of the fluid machine has a third rotation body placed coaxial with a first rotation bo...
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WO/2008/106774 |
A system for controlled recovery of thermal energy and conversion to mechanical energy. The system collects thermal energy from a reciprocating engine, specifically from engine jacket fluid and/or engine exhaust and uses this thermal ene...
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WO/2008/108055 |
A compressor (20) and an expander (30) are installed in the refrigerant circuit (11) of an air conditioner (10). In the compressor (20), the refrigerant compressed by a compressing mechanism (21) is discharged into the internal space of ...
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WO/2008/108062 |
An expander-integrated compressor (10) has a two-stage rotary type expansion mechanism (3) having a first cylinder (41) and a second cylinder (42). In the expansion mechanism (3) are formed a suction hole (71) facing an operation chamber...
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WO/2008/087731 |
A refrigeration cycle system for cooling of a medium to be cooled, comprising refrigerant compressor (3) for compressing of the refrigerant after cooling of a medium to be cooled; condenser (6) for condensing of the refrigerant having be...
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WO/2008/072575 |
Provided is a freezing apparatus, which is constituted to make the inlet quantity of a coolant of an expansion mechanism variable while recovering the energy of a high-pressure coolant as a power to the maximum by the expansion mechanism...
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WO/2008/062839 |
A compression mechanism (50) for compressing a refrigerant, an expansion mechanism (60) for expanding the refrigerant, and a rotating shaft (40) for connecting the compression mechanism (50) and the expansion mechanism (60) are stored in...
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WO/2008/050654 |
A refrigeration cycle device (1) has a refrigeration circuit in which refrigerant circulates. The refrigerant circuit is formed by connecting in sequence a compressor (2) for compressing the refrigerant, a radiator (3) for allowing the r...
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WO/2008/041862 |
The invention consists of a heat exchanger with high efficiency and describes a technology that heats or cools water or gas in an energy saving manner. In addition to a heat pump that transfers the heat energy by compressing/pumping a fl...
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WO/2008/041862 |
The invention consists of a heat exchanger with high efficiency and describes a technology that heats or cools water or gas in an energy saving manner. In addition to a heat pump that transfers the heat energy by compressing/pumping a fl...
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WO/2008/032558 |
A refrigeration device having a refrigerant circuit in which a compression mechanism, a radiator, a refrigerant cooling section, a first expansion mechanism, a liquid receiver, a second expansion mechanism, and an evaporator are connecte...
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WO/2008/026428 |
A multi-stage rotary fluid machine can be constituted as a so-called two-stage rotary expansion machine where refrigerant expands in an expansion chamber constituted of the first delivery side space (115b) of a first cylinder (105), the ...
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WO/2008/015776 |
A bearing device integral with a motor, in which long term durability of a rolling bearing against thrust load is increased and in which a main shaft can be rotated at high speed. Problems of assembly arising from the structure of the de...
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WO/2008/015777 |
An turbine unit for air cycle refrigerating machines which stably rotates at high rotational speed with a small gap between the disc wheel and the diffuser, has a roller bearing having an improved long-term durability against thrust load...
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WO/2008/013079 |
A pulsation absorption device (30) is provided in a refrigerant circuit (10) of a refrigeration device (1). In the pulsation absorption device (30), a piston (32) is received in a cylinder member (31), and a cylinder chamber is partition...
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WO/2008/009721 |
Method of liquefying a hydrocarbon stream such as natural gas from a feed stream (10), the method at least comprising the steps of: (a) circulating a first refrigerant stream (70) in a first refrigerant circuit (110) by cooling it in one...
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WO/2008/009721 |
Method of liquefying a hydrocarbon stream such as natural gas from a feed stream (10), the method at least comprising the steps of: (a) circulating a first refrigerant stream (70) in a first refrigerant circuit (110) by cooling it in one...
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WO/2008/000793 |
The present invention relates to a cooling device (1) wherein the refrigerant pressure at the compressor (2) is increased by means of a supercharging device (6) that is connected between the pump-out side of the compressor (2) and the su...
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WO/2007/148727 |
A heat source-side circuit (14) includes a gas/liquid separator (35) for separating a coolant flowing from an expansion unit (31) into a liquid coolant and a gaseous coolant; and cooling means (36, 45, 53, 55) performing cooling operatio...
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WO/2007/142332 |
A refrigeration device (10) having a refrigerant circuit (11) in which a compressor (20), a heat radiator (14), an expander (30), and a cooler (15) are sequentially interconnected. The rotating shaft (22) of an electric motor is connecte...
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WO/2007/139692 |
A method and system for reducing windage losses in compressor motors is provided. The compressor motor (106) is cooled by circulating refrigerant from a closed refrigerant loop incorporating the compressor (302). A pumping device (130) c...
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WO/2007/129039 |
Liquid refrigerant (1) is flashed-off by ultrasonic vibrations and/or diffuser plate (5) into saturated vapour that is static pressure reduced/velocity increased by the converging inlet tract and volute of turbine (4). The turbine wheel ...
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WO/2007/123087 |
A compressor (20) and an expander (30) are provided in the refrigerant circuit (11) of an air conditioner (10). In the compressor (20), a refrigerating machine oil is fed from an oil reservoir (27) into a compression mechanism (21). In t...
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