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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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JP4940881B2 |
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JP2012093017A |
To provide a power-recovery type refrigeration cycle device having a simple structure.The refrigeration cycle device 100 includes a compressor 2, a heat radiator 3, a positive displacement fluid machine 4, an evaporator 7, and an injecti...
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JP4930314B2 |
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JP4924239B2 |
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JP4924092B2 |
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JP4912308B2 |
A refrigerating machine includes a compressor for compressing a refrigerant, a radiator for radiating heat from the refrigerant discharged from the compressor, an expander for expanding the refrigerant discharged from the radiator, and a...
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JP4910530B2 |
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JP2012063111A |
To improve COP of a refrigerating cycle device even under a condition that an energy recovery amount is reduced, in a constitution where a pressure-reduced refrigerant is sucked to an expander.This refrigerating cycle device 1A includes ...
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JP4906962B2 |
Provided is a refrigerating cycle apparatus in which, even if large power is required to start up an expander, the expander may be started up by activating a compressor. An air conditioner including a first compressor (1) for compressing...
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JP4901916B2 |
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JP4898854B2 |
A boiling water nuclear power plant supplies steam from a reactor to high-pressure and low-pressure turbines. Water (feed water) generated by condensing steam in a condenser is heated by low-pressure and high-pressure feed water heaters ...
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JP2012052801A |
To prevent power recovered with an expander from being lost by a regulating valve for regulation of the flow rate of a refrigerant when a heat exchanger changes into an evaporator until the refrigerant radiated with the heat exchanger fl...
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JP4887929B2 |
To increase the amount of refrigerant capable of being supplied from a refrigerant adjustment tank 35 to a compressor 30, and to improve performance for adjusting balance between the amount of refrigerant passing through the compressor 3...
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JP4879806B2 |
An air conditioning unit for vehicles with work-doing expansion of the carbon dioxide is provided, the air conditioning unit including a combined refrigeration and heat pump circuit, wherein the air conditioning unit is switchably config...
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JPWO2010021137A1 |
The refrigeration cycle device (100A) includes a first compressor (101), a second compressor (102), and a control device (300), which are compressors integrated with an expander. When the oil level S1 of the first oil sump (13) becomes a...
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JP4857903B2 |
To improve power recovery of a water heater producing hot water in a refrigerant circuit having a compressor and an expander. This water heater comprises a water circuit 20 connected to a radiator 12 of the refrigerant circuit 10 wherein...
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JPWO2010007730A1 |
The refrigeration cycle device includes a first compressor 1 and a second compressor 2, which are compressors integrated with an expander. The first compression mechanism 11 of the first compressor 1 and the second compression mechanism ...
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JP2012002440A |
To reduce a temperature difference of delivery temperatures of both compressors in a refrigerating cycle device connecting a second compressor of a single body in parallel with a first compressor integrated with an expander.The refrigera...
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JP4839700B2 |
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JP4837150B2 |
A refrigeration cycle apparatus which is capable of performing matching of the volumetric flow rate without performing pre-expansion is disclosed. As described above, a refrigeration circuit (30) including a compression unit (a main comp...
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JP4823936B2 |
A waste heat utilization device includes a Rankine cycle in which an operation fluid circulates, and a control unit which controls an operation of the Rankine cycle. The Rankine cycle has a heater for heating the operation fluid using a ...
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JP4816220B2 |
A compressor ( 20 ) and an expander ( 30 ) are provided in a refrigerant circuit ( 11 ) of an air conditioner ( 10 ). In the compressor ( 20 ), refrigerator oil is supplied from an oil reservoir ( 27 ) to a compression mechanism ( 21 ). ...
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JP4817972B2 |
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JP4815439B2 |
A synthesis plant (309A) includes a compression device (360A) that increases a pressure differential between the bottom product pressure of a cryogenic separator (340A) and the delivery pressure of the bottom product to a downstream plan...
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JP4813599B2 |
In order to provide a refrigeration cycle device that is compact and efficiently utilizing an expansion machine and reduced in manufacturing cost through the use of a first compressor and second compressor driven by an expansion machine,...
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JP2011214779A |
To prevent an expander from being rotated and driven at a high speed when an operation is suspended.This refrigerating device includes a refrigerant circuit (11), wherein a compressor (20) and the expander (30) generating motive power by...
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JPWO2009147826A1 |
The refrigeration cycle apparatus 100 includes 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 evaporator 111. The low...
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JP4784385B2 |
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JP4784263B2 |
To provide a vapor generation system of high energy efficiency. This vapor generation system comprises a supply passage 20 in which a heated medium flows, and a heat pump 10. The heat pump 10 has a heat absorbing portion 11 arranged in t...
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JP2011190948A |
To save energy in an apparatus for refrigeration cycle, and ensure reliability of a compressor.The apparatus for refrigeration cycle includes: a first compressor 101; a second compressor 102 arranged in parallel with the first compressor...
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JP4781590B2 |
An air-cooling device comprises compressor (1). Double cavity heat exchanger (2), turbo expander (6) and the freezing chamber (3) containing fan (5) and air cooler (4). Fan (7) is mounted on the same shaft with the turbo expander (6). Th...
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JP4777217B2 |
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JP4770746B2 |
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JP4767188B2 |
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JP4765675B2 |
In a refrigeration cycle apparatus having an expansion mechanism whose number of revolutions can be changed independently from the number of revolutions of a compressing mechanism, it is an object of the invention to adjust a circulation...
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JP4760166B2 |
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JP4755618B2 |
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JP4752579B2 |
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JP4744331B2 |
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JP4742985B2 |
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JP4736727B2 |
To effectively use energy in a heat pump hot water supply device using a fluid transportation device with a compressor and an expander connected by the same rotational shaft. A refrigerant circuit 11 has the fluid transportation device 1...
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JP2011141078A |
To reduce a temperature difference of delivery temperatures of both compressor structures, in a refrigeration cycle apparatus connecting a second compressor structure in parallel with a first compressor structure coupled to an expander s...
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JP4715615B2 |
A refrigerant circuit (11) of an air conditioner (10) includes a compressor (20) and an expander (30). In the compressor ( 20), refrigerator oil is supplied from an oil reservoir (27) t o a compression mechanism (21 ). In the expander (3...
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JP2011127879A |
To provide a reciprocation type expansion compressor capable of more stabilizing reciprocating motion of a free piston with a very compact and simple structure, converting expansion work of working fluid of a gas into compression work, a...
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JP4698590B2 |
The present invention relates to a system for heat refinement by utilizing waste heat in a conduct (6) comprising a first cycle (2), an evaporator (4) In which the circulating working fluid is evaporated to gas, a compressor (8) that com...
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JP2011094942A |
To provide a simple and feasible consumer-use heat engine capable of using a high efficient heat engine durable at a middle and high temperature for power generation or cogeneration by using a refrigerant such as HFC, HC or CO2 widely us...
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JP4682869B2 |
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JP2011085284A |
To improve a COP of a heat pump even when liquid at intermediate temperature is sent to the heat pump in a heat pump type heating device.The heat pump type heating device 1A includes: a refrigerant circuit 3 having a low pressure stage c...
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