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JP4382151B2 |
An expander-compressor unit (10) includes a two-stage rotary expansion mechanism (3) having a first cylinder (41) and a second cylinder (42). In the expansion mechanism (3), a suction port (71) facing a working chamber on the upstream si...
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JP2009281278A |
To provide a centrifugal compressor capable of inhibiting drop of function of an elastic body for absorbing vibration.A centrifugal compressor 1 is provided with a rotary shaft 2 having an impeller 32 fixed on one end, rolling bearings 6...
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JP4370328B2 |
An air refrigerant cooling apparatus has magnetic bearings with high reliability and high efficiency. The air refrigerant cooling apparatus includes a motor having a first magnetic bearing and a second magnetic bearing for supporting a s...
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JP2009270745A |
To improve a coefficient of performance (COP) and therefore a refrigerating capacity in the refrigerating cycle using carbon dioxide as a refrigerant and using an expanding machine and an aspirator.A first gas-liquid separator 15 is disp...
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JP2009257612A |
To provide a new heat pump, and a new radiator used in the same.This heat pump uses carbon dioxide as a refrigerant, and includes a compressing process, a radiating process, an expanding process and a heating process. In the expanding pr...
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JP2009250580A |
To provide a heat pump device capable of improving a COP easily.An expansion means (7) of the heat pump device (1) comprises a parallel path (11). In the parallel path (11), an expansion device (9) capable of recovering power and an expa...
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JP3154518U |
To provide an expander for improving output and operation efficiency in a low-pressure working gas exhaust process. A hollow cylindrical cylinder, a cylindrical rotor, a rectangular vane fitted inside a vane groove provided on a plane pa...
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JP2009228568A |
To improve power recovery efficiency by reducing the dead volume of an auxiliary suction path under a blocked condition, in an expansion mechanism introducing a refrigerant to a fluid chamber of the expansion mechanism through the auxili...
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JP2009229036A |
To efficiently collect kinetic energy of a refrigerant as rotating power of an impeller.A cylindrical cylinder part (22) is provided to cover the outer peripheral side of the impeller (21) having a plurality of blades (20), and is provid...
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JP2009228927A |
To improve COP by making an internal pressure of an expander casing appropriate.An expander (30) includes an expanding mechanism (31) for expanding a refrigerant directly flowing therein from the external of the expander casing (34) and ...
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JP2009222069A |
To provide a magnetic bearing device for enabling the follow-up of the electromagnetic force of an electromagnet as part of a magnetic bearing to sharp axial load fluctuation.The magnetic bearing device uses rolling bearings 15, 16 and t...
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JP2009216275A |
To solve problems on heat pump water heater which becomes widely used for a view point of CO2 reduction, that the heat pump water heater is not widely used in a collective housing as a hot water storage tank is large, and a coefficient o...
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JP2009210248A |
To reduce a loss of energy caused by a pressure rise of oil to achieve energy-saving in a refrigeration device, in the refrigerating device performing a refrigerating cycle by circulating a refrigerant.A refrigeration circuit 11 has an o...
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JP2009204204A |
To provide a waste heat regeneration system capable of reducing the number of components to effectively utilize a space as well as effectively utilizing waste heat of a combustion engine and waste heat of a refrigeration cycle system.The...
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JP2009186064A |
To surely convey refrigerant oil in a casing of a low pressure atmosphere to a sliding part of an expansion mechanism.In an expander (30), the pressure inside an expander casing (34) is set to be the same as a refrigerant reduced in pres...
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JP2009180477A |
To provide an air cycle refrigeration unit capable of reducing power of an auxiliary machine.A heat exchanger 14 for oil cooling is provided in a heat exchanger 12 for heat release interposed in a refrigeration path 10. The heat exchange...
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JP2009168261A |
To carry out appropriate oil equalizing control of a compressor in a heat pump device mounted with a plurality of compressors and an expander of an integral type with any of the compressors.In the heat pump device, a compression part con...
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JP2009138970A |
To provide a heating/cooling system capable of being constituted to be compact, and having high heating output and energy converting efficiency.In this heating/cooling system 1A, a compressor 51 of a refrigerating air-conditioning cycle ...
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JP2009133534A |
To prevent a situation that the relationship between rotating speeds of an expander and a compressor becomes improper so that delivery pressure cannot be set to desired pressure.This refrigerating cycle apparatus includes: a main compres...
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JP2009127464A |
To provide a displacement type expander improved for reducing a mechanical loss in a bearing.This rotary expander 300 has a cylinder 42, a piston 46 arranged inside the cylinder 42, a shaft 5 for rotating the piston 46, a bearing member ...
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JP4277608B2 |
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JP4273599B2 |
To reduce the sliding speed of a control member controlling an inflow timing. A refrigerant compression mechanism part 20 and a refrigerant expansion mechanism part 30 are connected to a drive shaft 60. The expansion mechanism part 30 is...
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JP2009092277A |
To recover pressure difference of working fluid as motive power in a refrigerating cycle device constituted to allow the working fluid having the pressure difference to flow into an expander.This refrigerating cycle device comprises a fi...
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JP4261620B2 |
A refrigeration cycle apparatus 1 includes a refrigerant circuit in which a refrigerant circulates. The refrigerant circuit is formed by connecting in sequence a compressor 2 for compressing the refrigerant, a radiator 3 for allowing the...
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JP2009085565A |
To provide a heat pump water heater compact in size capable of simplifying pipe laying work at a site and also being installed in a narrow place.A heat pump circuit 1 is composed by annularly connecting a compressor 2, a radiator 3, a pr...
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JP2009068733A |
To provide a refrigerating cycle device capable of preventing lowering of a refrigerant temperature in a sealed container of an expander.This refrigerating cycle device comprises a compressor 2 provided with a compressing mechanism 22 in...
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JP2009062951A |
To solve a problem that working fluid shut in a first stage working chamber in an instance of completion of communication between the first stage working chamber and a second stage working chamber exist and loss and noise are generated b...
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JP2009063247A |
To provide a highly efficient refrigerating cycle in a refrigerating cycle provided with an expansion/compression system converting energy of an expansion process of a working fluid into mechanical energy to carry out operation of one pa...
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JP2009511850A |
A cryogenic refrigerator comprising a rotary valve which controls the flow of high pressure gas into the refrigerator and the return of the gas from the refrigerator, the cryogenic refrigerator further comprising rotary fluid motor arran...
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JP4242131B2 |
It is an object of the present invention to reduce the constraint that the density ratio is constant as small as possible, and to obtain high power recovering effect in a wide operation range. A refrigeration cycle apparatus uses carbon ...
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JP2009052752A |
To solve a problem wherein coolant flowing through a duct line bypassing an expander does not contribute to improvement of system efficiency at all, as the coolant causes an isoentropic change when it comes out from an outlet of a radiat...
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JP4233843B2 |
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JP2009008350A |
To prevent the power recovered by an expander from being lost by an adjustment valve for adjusting a refrigerant flow rate when a heat exchanger is used as an evaporator during a time when a refrigerant releasing heat in the heat exchang...
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JP4207340B2 |
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JP2008309438A |
To secure lubrication of an expander of a refrigeration cycle and to achieve improvement in reliability and improvement in efficiency.Pressure in a sealed container of a compressor and a pressure in a sealed container of the expander 22 ...
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JP2008545837A |
Disclosed herein are 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexene compositions for use in refrigeration and air conditioning systems, particularly in centrifugal compressor systems. Also disclosed are 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexene in co...
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JP2008292047A |
To reduce energy loss when stopping the start of a heat pump device by generating electric power by an expander integrated compressor.This heat pump device is provided with a control valve 510 for controlling a communicating passage for ...
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JP2008286040A |
To solve a problem in a separation-type expander in which oil with high viscosity at a low temperature flows into a generator to cause energy losses.The expander is constructed by including: a sealed container 18d forming an oil reservoi...
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JP4186398B2 |
To provide an air conditioner for a transporting machine capable of alleviating an engine load by supplying cooling air of a necessary amount to a living room or the like and reducing a gas extraction of the engine. The gas extraction ou...
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JP2008275195A |
To surely prevent flowing of a refrigerant to use-side heat exchangers 51a, 51b, 51c in thermo-off, and to prevent increase in dimension of electronic expansion valves 52a, 52b, 52c, in a refrigerating device comprising the plurality of ...
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JP2008275209A |
To provide a refrigerating cycle device using an expander and having high efficiency and reliability.This refrigerating cycle device is provided with a refrigerating cycle composed of a compressor 501 compressing a refrigerant, a radiato...
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JP2008267694A |
To solve the problem wherein, in the case of a heating and cooling refrigerating cycle, a means for switching the flow of a refrigerant such as a four-way valve is required on upstream of an expander, and in the case of structure indicat...
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JP2008261568A |
To provide an expansion valve allowing a power recovery device to effectively recover kinetic energy of a refrigerant in a refrigerant circuit having the power recovery device and performing a vapor compression type refrigeration cycle.I...
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JP4164694B2 |
To secure the amount of charge for a high-voltage battery without adversely affecting driving performance, while enhancing the mountability of a vehicle's power source and auxiliary devices and the efficiency of recycling deceleration en...
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JP2008241205A |
To provide an air conditioner capable of obtaining a high coefficient-of-performance value by adopting a dual cycle having an expander in an outdoor side (first) refrigerating cycle, and utilizing the power of the expander to drive a liq...
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JP2008232012A |
To provide a highly reliable and highly efficient refrigerating cycle device by realizing the excellent circulation of a lubricating oil in a hermetic expander.A hermetic container 115 has, therein, an expansion mechanism 113; a generato...
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JP2008224168A |
To improve the temperature rise performance of a compressor discharge refrigerant by suppressing heat transfer from a compressor to an expander when starting the operation of a refrigerating cycle device.The refrigerating cycle device is...
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JP2008223651A |
To minimize enthalpy of a refrigerant led to flow out from an expansion mechanism, in a fluid machine provided with a compression mechanism and the expansion mechanism and connected to a refrigerant circuit.In a compression/expansion uni...
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JP2008209044A |
To suppress generation of pulsation and to perform a stable operation of a cycle in a refrigerating cycle device comprising an expander and a compressor.The compressor 10 comprises a compressing mechanism and a first sealed container rec...
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JP2008536078A |
In this process, the LNG stream is sub-cooled with a refrigerating fluid in a first heat exchanger. This refrigerating fluid undergoes a closed second refrigeration cycle which is independent of the first cycle. The closed cycle comprise...
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