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WO/2010/131328A1 |
A two-stage compressor is returned to a normal operating condition when an intermediate pressure is higher than a high pressure. The two-stage compressor is provided with a buffer section (12) provided separated from an oil content sepa...
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WO/2010/122812A1 |
A refrigeration cycle device (100) is provided with an expander-integrated compressor (101) and a second compressor (102). A first oil sump (13) of the expander-integrated compressor (101) is communicated with a second oil sump (14) of t...
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WO/2010/117214A2 |
The present invention provides a rotary-type two-stage compressor, comprising: a sealing container; a rotating shaft provided within the sealing container for transferring rotational force; a low-pressure compressing assembly including a...
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WO/2010/116388A1 |
Compressor comprising a body (2) in which it is possible to identify: an intake (3) for a fluid made up of a mixture of gas (G) and auxiliary fluid (L); compression means (5) located downstream of the intake (3); a separation chamber (6)...
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WO/2010/113663A1 |
Provided is a compressor that inhibits an insulation member disposed in a slot from melting. The compressor has a pipe (11) and a motor disposed within the pipe (11) that are joined by welding at a plurality of welding locations (P1-P3)....
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WO/2010/113735A1 |
Disclosed are a sealed fluid machine producing method wherein even if the length of a rotation shaft is increased, the deviation of the shaft center can be reduced/prevented, and a plurality of high-performance fluid machines can be asse...
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WO/2010/113665A1 |
Provided is a compressor that inhibits slot cells disposed in slots from melting. The compressor has a casing and a motor disposed within the casing that are fixed in a loosely fitting state and are joined by welding the casing and the m...
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WO2010109852A1 |
A discharge muffler (1) is provided with a muffler container (2). The muffler container (2) is configured to separate a refrigerating machine oil from a refrigerant gas in which the refrigerating machine oil is mixed and to allow the ref...
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WO/2010/092813A1 |
Disclosed is a scroll type fluid machine which can efficiently raise the heat-exchange efficiency of a refrigeration cycle through a simple and efficient lubricating oil circulation means. The machine is provided with a scroll unit (8); ...
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WO/2010/085593A2 |
A plurality of scroll compressors with different fixed volume indexes are connected in fluid parallel circuit and configured to selectively operate to maximize isentropic efficiency at different condensing temperatures. Different quantit...
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WO/2010/070912A1 |
Provided is a scroll-type fluid machine with which smaller size and lighter weight can be realized, and operating efficiency can be improved. The vertical scroll-type fluid machine (1) houses, in a sealed container (2), a drive shaft (4)...
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WO/2010/064426A1 |
Provided is a scroll type fluid machine with which smaller size and lighter weight can be realized. The machine is provided with a scroll unit (8) comprising a drive shaft (4) that extends inside a sealed container (2), a one-end eccentr...
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WO/2010/061939A1 |
A dry vacuum pump unit which is small, lightweight, and can be easily handled and carried. The dry vacuum pump unit comprises: a pump section (5p) provided with a casing (30) having a pair of pump rotors (32a, 32b), an air suction openi...
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WO/2010/056002A1 |
The present invention discloses a frequency variable compressor, including a shell (100) defining an airtight space, an accumulator (900) temporarily storing refrigerant before introducing the refrigerant into the shell (100), a first co...
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WO/2010/047371A1 |
A multiple-stage compressor, wherein the amount of lubricating oil sucked into a high-stage compression mechanism by being entrained in an intermediate-pressure refrigerant discharged from a low-stage compression mechanism is reduced to ...
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WO/2010/038360A1 |
In a refrigerating apparatus which performs a refrigerating cycle of two-stage compression, a plurality of compression mechanisms (20, 30) comprise four cylinder chambers (C1, C2, C3, C4) so that the volume ratio of a compressor (1) form...
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WO/2010/035891A1 |
A fluid machine which is compact in size, which is available at reduced manufacturing cost, and which drastically increases the efficiency of a Rankine cycle by increasing the amount of heating of a refrigerant circulating in the Rankine...
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WO/2010/026776A1 |
A multiple-stage compressor provided with bypass piping has high efficiency. A multiple-stage compressor (11) is provided with a sealed housing (12), a low-stage compression mechanism (13) and a high-stage compression mechanism (15) whi...
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WO/2010/024409A1 |
In an enclosed container (1), there is mounted a portion of a pressure switching valve (K) for switching the pressure of a second blade chamber (10b) formed in a second cylinder (6B), into a discharge pressure and a suction pressure. Th...
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WO/2010/021491A1 |
Disclosed is a variable capacity type rotary compressor (1 ), a cooling apparatus having the same, and an operation method thereof, wherein in the variable capacity type rotary compressor (1 ) and the cooling apparatus having the same, a...
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WO/2010/012891A1 |
The present invention relates to a method of manufacturing a shell ring (V) for a scroll‑type compressor, this shell ring comprising a larger‑diameter part (1) known as the bottom part, designed to accommodate a lower bearing, and a ...
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WO/2010/014014A1 |
There is described a mobile breathing-air compressor unit arranged for use in an explosive environment and including an air compression unit, an air inlet provided with a gas detector which is arranged to stop the air compression unit, m...
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WO/2010/011081A1 |
A compressor and an air-conditioner having the same are disclosed. Operationally, a compressor application voltage is detected, and the air-conditioner is operated in a pre-set operation mode according to the detection result, or the air...
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WO/2010/006663A1 |
The invention relates to the cooling for a screw pump for the delivery and compression of gases, wherein the rotors (1) have previously known internal cooling (7). In order to increase the operational reliability and improve the applicat...
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WO/2010/000984A1 |
Method of manufacturing a shroud (V) for a scroll-type compressor, this shroud comprising a larger-diameter part (1) known as the lower part, designed to accept a lower bearing, and a smaller-diameter part (3), known as the upper part, d...
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WO/2009/149682A2 |
The invention relates to a motor-pump module comprising a displacement pump that is driven by an electric motor and encompasses a pump housing. The invention is characterized in that a first face of the electric motor is mounted in a dir...
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WO/2009/142023A1 |
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/2009/141956A1 |
Connection between a first compressor (compressor integral with expander) and a second compressor only by an equalizer pipe may cause insufficient lubrication of the first compressor, causing a reduction in reliability of a fluid machine...
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WO/2009/136488A1 |
A sub-compressor (23) is mounted between a compressor (22) and a power recovery device (24), and a refrigerant preliminarily compressed by the sub-compressor (23) is caused to flow into the compressor (22). The sub-compressor (23) and t...
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WO/2009/116237A1 |
A freezing device (1) uses as a coolant, a chemical compound expressed by a molecular formula C3HmFn (wherein m = 1 to 5, n = 1 to 5, and m + n = 6). The freezing device (1) employs a compressor having a first compression mechanism (20A)...
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WO/2009/103701A1 |
A vacuum pump is connected to two multi-staged vacuum pumps (26) and one pre-vacuum pump (22) for producing very low pressures, in particular in the range of 10-10 mbar. A pressure is produced in the individually series-arranged vacuum c...
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WO/2009/098874A1 |
Provided is a compressor (20) comprising a compression mechanism (30), in which movable members (51, 52, 55 and 56) having movable end plate portions (51a, 52a, 55a and 56a) disposed on the root end sides are eccentrically rotated while ...
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WO/2009/098872A1 |
A fluid machine having an inflow path (32) which, in order that a low stage side fluid chamber and a high stage side fluid chamber are formed in separate eccentric fluid mechanisms (24, 25), introduces fluid from the outside into fluid c...
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WO/2009/096220A1 |
An enclosed compressor having first and second compressors arranged at the upper and lower portions in an enclosed housing, with the first compressor at the lower part being a rotary compressor. The enclosed compressor is simplified in s...
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WO/2009/096167A1 |
An expander-integrated compressor (100A) is equipped with a compression mechanism (2), an expansion mechanism (3), a shaft (5), an oil pump (6), and an oil supply amount adjusting mechanism (30). The compression mechanism (2) and the exp...
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WO/2009/096288A1 |
Provided is a sealed-type scroll compressor, which can improve the assembling precision, productivity, and assemblage of a sealed housing when a divided structure is adopted for the sealed housing and which can realize a housing having d...
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WO/2009/093470A1 |
A rotary fluid machine (1) is formed by arranging compression sections (20a, 20b) in two tiers. Each compression section has a cylinder (21) having annular compression chambers (C1, C2, C3, C4), and also has an annular piston (22) eccent...
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WO/2009/091897A1 |
A scroll compressor includes a feature for location of a housing shell section off of one of the scroll compressor bodies. According to this aspect, a scroll compressor comprises a housing including a shell section; scroll compressor bod...
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WO/2009/091880A1 |
A scroll compressor build assembly is provided. An outer housing includes multiple shell sections that interfit to provide internal steps that provide seating surfaces. One or both bearing members can use the internal seats. The outer ho...
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WO/2009/090888A1 |
A rotary fluid machine (1) has a first annular piston (22) and a second annular piston (22) which face each other axially. One side of each annular piston (22, 22) is mounted to a surface of a corresponding end plate (22c, 22c). The axes...
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WO/2009/091876A1 |
A scroll compressor includes an oil separation region generally formed between the motor housing and upper bearing member. A long labyrinth channel is provided with the suction refrigerant gas flow path being redirected to facilitate coa...
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WO/2009/091891A1 |
A scroll compressor assembly includes a mounting base with a pair of support ribs formed into the mounting base, for structurally strengthening the support provided by the mounting base. The mounting base may either support the scroll co...
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WO/2009/081788A1 |
A screw compressor in which a medium leakage on the high-pressure side and a thrust load are reduced. The screw compressor (1) has a screw rotor (2, 52) and a plurality of gate rotors (5a, 5b, 5c, 5d). The screw rotor (2, 52) is rotatabl...
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WO/2009/069611A1 |
This aims to provide a freezing apparatus which uses a coolant to act through a procedure of a supercritical state and which can augment the degree of freedom for adjusting the coolant circulation rate by the compression elements of a mu...
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WO/2008/152055A9 |
The orbiting-spiral scroll pump or compressorisprovided with two fixed stages (1, 1') and an internal or middle stage (3) moving with an orbiting movement.These stages areprovided withassociated systems having spirals for example in the ...
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WO/2009/066416A1 |
A compressor (200) integral with an expander has a closed container (1), a compression mechanism (2), an expansion mechanism (3), a shaft (5), and an oil pump (6). The shaft (5) includes an upper shaft (5s) having an upper eccentric sect...
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WO/2009/066413A1 |
A compressor (200A) integral with an expander has a closed container (1), a compression mechanism (2), an expansion mechanism (3), a shaft (5), and an oil pump (6). The compression mechanism (2) and the expansion mechanism (3) are connec...
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WO/2009/066410A1 |
A compressor (200) integral with an expander has a closed container (1), a compression mechanism (2) placed at the upper part of the inside of the closed container (1), an expansion mechanism (3) placed at the lower part of the inside of...
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WO/2009/063890A1 |
A multi-stage dry pump has pump chambers each including a cylinder and a rotor received in the cylinder, a first rotor shaft functioning as the rotating shaft of the rotors, a fixed bearing for rotatably supporting the first rotor shaft ...
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WO/2009/064042A1 |
The present invention provides a 2 stage rotary compressor including a hermetic container (101), a 2 stage compression assembly provided in the hermetic container (101 ) and including a low pressure compression assembly (120), a middle p...
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