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JP5417743B2 |
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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JPWO2012042698A1 |
A refrigerating air conditioner capable of stably starting the inflator by reducing the frictional resistance generated when the inflator is started is obtained. An expander 1 having an oil supply mechanism that houses the expansion mech...
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JP2014016115A |
To provide a Rankine cycle device capable of securing reliability of an expander and a pump and also making mechanical energy output by the expander as large as possible.A Rankine cycle device 10 includes a first pressure sensor 72 which...
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JP5388986B2 |
A refrigerator of the present invention includes a Rankine cycle heat engine and a refrigeration cycle heat engine which share a condenser, and drives a compressor of the refrigeration cycle by an expander of the Rankine cycle. A screw e...
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JP2013250022A |
To reduce the use energy of a refrigeration cycle device and a steam boiler.Gas is heated by a pressure vessel in which a suction port for low-pressure gas at a lower part and a discharge port for high-pressure gas at a higher part are a...
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JP5343491B2 |
To surely lubricate bearings which support a drive shaft, and to improve the reliability of a turbine generator. The turbine generator (50) includes a turbine impeller (60) and a power generation mechanism (65) which are connected by the...
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JP5340271B2 |
Refrigerating device formed by a main compressor (190), a condenser (140) downstream of and in fluid communication with the main compressor (190), main expansion means (170) downstream of the condenser (140) and an evaporator (180) downs...
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JPWO2012029203A1 |
It is possible to supply oil to each bearing using high-pressure oil supplied from the oil separator without installing oil leveling pipes and pressure leveling pipes, installation restrictions such as height, and without stirring loss d...
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JP5320382B2 |
To provide an air refrigerant type refrigerator that enables a highly efficient energy-saving defrosting operation. The air refrigerant type refrigerator includes: a pressure sensor 50 detecting suction pressure of a compressor 12; a tem...
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JP2013210131A |
To enhance efficiency of operation, in a refrigerating device capable of switching between a cooling operation and a heating operation.An air conditioner 10 has a four-stage compressor 20, a fourth heat exchanger 44 of an outdoor heat ex...
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JP5282516B2 |
To provide a power supply device which uses other different power sources concurrently, and to make it possible to store hot water generated by heating cold water using electricity supplied from the power supply device and supply the sto...
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JP5282216B2 |
In a heat exchanger unit for conditioning a first fluid, particularly a refrigerant in an air conditioning system, including a heat exchanger, the heat exchanger includes first and second tube element units for heat exchange between a fi...
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JPWO2011161952A1 |
The refrigeration cycle device 100 includes a compressor 2, a radiator 3, a positive displacement fluid machine 4, an evaporator 7, an injection flow path 10f, and a controller 102. The positive displacement fluid machine 4 has a process...
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JP5247752B2 |
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JP2013139938A |
To provide a refrigeration device allowing a liquid-phase refrigerant to collect heat of a gas-phase refrigerant subjected to gas-liquid separation and further improving controlling performance of an expansion valve in front of a heat ex...
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JP2013139903A |
To continue operation without immediately stopping an expander even when a torque current of the expander exceeds a threshold value.This refrigerating device includes an expander protective means 70 for reducing a pressure difference bef...
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JP2013139897A |
To restart an expander without stopping a compressor.An air conditioner (1) includes a refrigerant circuit (10) for mutually connecting the expander (30) and an expansion valve (29) in parallel, and a controller (70) for switching high l...
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JP2013139904A |
To continue operation of an expander even if a refrigerant circulating quantity reduces, in a refrigerating device having a refrigerant circuit connected with the expander for collecting expansion power of a refrigerant.This refrigeratin...
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JP2013139890A |
To stabilize an oil supply amount from an oil reservoir relating to a compressor to an expander by elevating an oil level even when the oil level of the oil reservoir decreases, and thereby, to prevent damages of the expander due to lubr...
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JP5240356B2 |
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JP5208275B2 |
A refrigeration cycle apparatus (100A) is provided with: a first compressor (1) including a first compression mechanism (11), an expansion mechanism (13), and a first motor (12); a second compressor (2) including a second compression mec...
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JP2013108713A |
To provide a refrigeration device in which a refrigerator oil stored in a refrigerator container is returned to a compressor.A refrigeration device includes a refrigerant circuit (10) and a pressure adjustment mechanism (55). The refrige...
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JP2013108670A |
To provide an outdoor unit of an air conditioning apparatus, configured to reduce power consumption, while employing a spray nozzle for spraying water when water and air are supplied thereto.The outdoor unit 10 of the air conditioning ap...
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JPWO2011083510A1 |
Provided are a refrigeration cycle apparatus capable of flow rate matching without pre-expansion and bypass of an expansion mechanism, and an expander mounted on the refrigeration cycle apparatus. The refrigeration cycle device 100 has a...
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JP5169003B2 |
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JP5145674B2 |
An object of the present invention is to prevent a refrigerant from reaching a state near the critical point when the refrigerant is expanded to a state near the saturation line by a first expansion mechanism in a refrigeration device th...
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JP2013019336A |
To simplify a switching mechanism of an auxiliary intake passage, and to reduce the number of parts and space.An expander (40) has a main intake passage (46) of an expansion chamber (52), and the auxiliary intake passage (70) of the expa...
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JP5125261B2 |
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JP5121844B2 |
A refrigeration cycle apparatus 100 includes a first compressor 101, a second compressor 102 provided in parallel with the first compressor 101, a radiator 103 for cooling a refrigerant compressed by the compressors 101 and 102, an expan...
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JP5115355B2 |
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JP5109842B2 |
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JP5108384B2 |
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JP5103952B2 |
A refrigerant circuit (11) in an air conditioner (10) includes a compressor (20) and an expander (30). In the compressor (20), refrigerant compressed by a compression mechanism (21) is discharged into the internal space of a compressor c...
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JP5096678B2 |
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JP5070301B2 |
A refrigeration cycle apparatus (100) includes: a first compressor (101); a second compressor (102) connected in parallel with the first compressor (101) in a refrigerant circuit (200); a radiator (103) for cooling a refrigerant compress...
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JP5074405B2 |
An apparatus for cooling, comprising: a liquid pump for transport of fluid through a heating cycle, an external heat source for heating the fluid in the heating cycle, for example a solar heater directly connected to the heating cycle or...
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JP2012219675A |
To provide an expander improving power recovery efficiency during expansion of a refrigerant by increasing an expansion ratio.This expander 30 includes: a refrigerant circuit (10) formed by evaporators (21), a compressor (22) and a conde...
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JP5040256B2 |
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JP5025605B2 |
To provide a refrigerating cycle apparatus capable of improving cooling ability by water spray to perform an efficient operation while suppressing decrease in collected power by an expander. The refrigerating cycle apparatus includes: a ...
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JP5018756B2 |
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JP4992819B2 |
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JP2012137291A |
To appropriately maintain the pressure of a refrigerant in a sealed type air-refrigerant refrigerator.The refrigerator includes: a refrigerant gas circulation system for producing a low temperature gas by compressing a refrigerant gas, f...
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JP4978519B2 |
A turbine generator is formed with a gas-refrigerant storage space over a power generation mechanism inside of a casing and a liquid-refrigerant storage space under the power generation mechanism. The turbine generator is provided with a...
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JP4976426B2 |
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JP2012515890A |
A refrigeration cycle apparatus includes an expander-compressor unit (1) having a first motor (12), a second compressor (2) having a second motor (22), and a controller (7). The controller (7) determines the target rotational frequency F...
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JP2012127636A |
To continuously extract refrigerant state changes due to temperature differences as power.A pressure of a refrigerant expanded by heat applied to a heater from the outside is extracted as power by an expander, while the expanded refriger...
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JP4969648B2 |
An expander-compressor unit (30) includes: a closed casing (1) holding an oil at a bottom portion thereof; a motor (2) provided in the closed casing (1); a compression mechanism (3) for compressing a refrigerant and discharging it into t...
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JP4964160B2 |
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JPWO2010073586A1 |
The refrigeration cycle device 100 includes a working fluid circuit 106 and a first bypass path 112. The working fluid circuit 106 is formed by the first compressor 101, the radiator 102, the expander 103, the evaporator 104, the second ...
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JP4940630B2 |
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