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JP2013024209A |
To inhibit overcompression from occurring, and to prevent operating efficiency from declining, in a variable volume ratio compressor such as a rolling piston type compressor.In a compression mechanism (40), an auxiliary discharge passage...
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JP2013019370A |
To provide a multi-cylinder hermetic compressor that can easily and inexpensively reduce noise generated downstream of a delivery port.The multi-cylinder hermetic compressor includes: a sealed container 1 housing an electric mechanism 3 ...
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JP2013019274A |
To reduce a pressure loss in a two-stage scroll compressor in which an outside compression part and an inside compression part are arranged.In the two-stage scroll type compressor having a fixed scroll (52) and an orbiting scroll (54) on...
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JP5133224B2 |
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JP2013015082A |
To provide a two-stage compression rotary compressor capable of balancing compression torque between a low-stage side compression section and a high-stage side compression section and capable of reducing vibration.In the two-stage compre...
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JP5124362B2 |
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JPWO2011019048A1 |
The present invention comprises a plurality of pump chambers including an upper pump chamber communicating with a suction port and a lower pump chamber communicating with a discharge port; and a plurality of rotors housed inside the plur...
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JP5119786B2 |
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JP5121826B2 |
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JP5117503B2 |
A rotary compressor, in which formulas Rc
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JP2013007296A |
To provide a multi-cylinder rotary compressor and a method of manufacturing the same unnecessary to fasten divided plates to each other with a connecting member even in the case wherein a partition plate is divided and, as a result, capa...
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JP2013001268A |
To provide an air conditioning device for vehicle equipped with a two-stage compression type compressor which operates using one-stage expansion cycle during cooling and stops or bypasses a low-pressure cylinder and operates using only a...
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JP2013002417A |
To prevent an increase in an oil delivery quantity of a compressor used for an outdoor unit of an air conditioner.This compressor includes an electric motor portion constituted of a rotor 2 and a stator 3 in a sealed vessel 1, a compress...
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JP5106395B2 |
A heat dissipating system for a hermetic compressor includes a thermal energy transfer duct having a heat absorbing end mounted to the cylinder block of the compressor to absorb the heat generated by the compression of the refrigerant fl...
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JP5110882B2 |
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JP5106334B2 |
A fluid machine which can be compact and produced at reduced costs and which can increase the amount of heat added to a refrigerant circulating in a Rankine cycle and thus greatly increase the efficiency of the Rankine cycle. A fluid mac...
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JP5106077B2 |
A lubricant-sealed rotary vane vacuum pump and motor has a pump stage located within a housing, a safety valve, a lubricant pump with an inlet and outlet, an external lubricant reservoir and hydraulic line. The lubricant delivered throug...
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JP5109607B2 |
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JP2012251511A |
To provide a compressor which suppresses overcompression with oil compression when refrigerant gas at an intermediate pressure is compressed in a second compression mechanism.There is provided a multiple stage compressor 1 which includes...
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JP2012251445A |
To solve such a problem that there is a case of being difficult in welding by inclining a torch of a welding device from a reason such as a clearance of pipes is narrow, when connecting a plurality of pipes to a case of a compressor by w...
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JP5101731B2 |
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JP5102068B2 |
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JP5103430B2 |
To improve fluid compression efficiency by suppressing deformation of a turning scroll by high-pressure fluid. Compressed air delivered from the delivery port 8 of a first-stage compressor 2 as a front stage is introduced into a closed s...
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JP2012246819A |
To provide a highly efficient compressor and a refrigerating cycle apparatus with the same, wherein in a conventional compressor structure, since a motor and a mechanical section of a compressor are disposed in one and the same closed co...
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JP5097098B2 |
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JP5095320B2 |
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JP5084692B2 |
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JP5084342B2 |
A system for utilizing waste heat from a vehicle has a Rankine circuit, and the Rankine circuit includes a fluid machine. A generating unit of the fluid machine has a third rotating body that is disposed coaxially with a first rotating b...
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JP5075534B2 |
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JP5078975B2 |
An expander-compressor unit (200A) includes a closed casing (1), a compression mechanism (2), an expansion mechanism (3), a shaft (5), and an oil pump (6). The shaft (5) couples the compression mechanism (2) to the expansion mechanism (3...
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JP5071967B2 |
The compressor unit having at least two compressors, for example a low pressure stage compressor (11) and a high pressure stage compressor (12) connected in series, of which the low pressure sage compressor (11) and high pressure stage c...
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JP5073754B2 |
A multi-stage dry pump includes: a plurality of pump chambers each including a cylinder and a rotor housed in the cylinder; a first rotor shaft that is a rotation shaft of the rotors; a fixed bearing that rotatably supports the first rot...
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JP5074511B2 |
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JP2012219643A |
To provide a multi-cylinder compressor having high reliability and improved in performance by uniformizing balance of force by a vertical pressure applied to a piston.Lateral penetrating oil holes communicating with an internal oil hole ...
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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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JP2012219672A |
To miniaturize a two-stage compressor having three mufflers.A two-stage compressor 1 consists of a low stage side compression mechanism 30 accommodated in a casing 3, a high stage side compression mechanism 40 accommodated in the casing ...
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JP5068719B2 |
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JP5070097B2 |
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JP5068477B2 |
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JP5068890B2 |
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JP2012211531A |
To provide a motor-driven compressor that hardly transmits vibration and noise to the exterior.The motor-driven compressor 1 includes: a housing 7; a compressor mechanism 3 provided in the housing 7, sucking a refrigerant from the outsid...
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JP2012211569A |
To supply a sufficient amount of lubricant between an oscillating piston of a compression mechanism and an eccentric portion of a drive shaft in a high-pressure dome type rotary compressor.The rotary compressor includes: an oil supply pu...
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JP5064561B2 |
A fluid machine (101) includes a first compressor (107) and a second compressor (108). The first compressor (107) has a first closed casing (111), a first compression mechanism (102a), an expansion mechanism (104), and a shaft (113). A f...
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JP5063673B2 |
A refrigeration cycle system is provided with a two-cylinder type rotary compressor having one compression mechanism which includes a switching mechanism for switching a back surface side of a blade between a low pressure mode and a high...
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JPWO2010122812A1 |
The refrigeration cycle device 100 includes an expander integrated compressor 101 and a second compressor 102. The first oil sump 13 of the compressor integrated with an expander 101 communicates with the second oil sump 14 of the second...
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JP5054597B2 |
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JP5056779B2 |
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JP2012202213A |
To provide a complex fluid machine that secures reliable air tightness in an expander without increasing the speed of a drive shaft, while increasing the speed of a rotor.A complex fluid machine 11 has: a gear pump 30 driven by the rotat...
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JP5048642B2 |
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JP5053523B2 |
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