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WO/2012/031450A1 |
A two-stage medium-pressure screw-type air compressor set comprises a first-stage screw compressor (21) and a second-stage screw compressor (22) which is communicated with a gas-liquid separator (6) via a gas-liquid tangential inlet tube...
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WO/2012/017727A1 |
A hermetically sealed compressor in which heat generation and insulation breakdown are hardly to occur at the connection portion between a lead wire of a motor and an external terminal is structured as follows. The compressor main body a...
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WO/2012/011206A1 |
Disclosed is a vane compressor (1A) in which cylinders (35, 36) concentrically formed at the side of a rotor (3) are eccentrically inserted in ring-shaped spaces (23, 24) between cylindrical parts (21, 22, 12) concentrically formed at th...
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WO/2012/004992A1 |
A rotary compressor (102) comprises a shaft (4), a cylinder (5), a piston (8), a first vane (32), a second vane (33), a first suction hole (19), and a second suction hole (20). The first vane (32) partitions the space between the cylinde...
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WO/2012/004993A1 |
A rotary compressor (102) is provided with a shaft (4), a cylinder (5), a piston (8), a first vane (32) and a second vane (33). The first vane (32) partitions the space between the cylinder (5) and the piston (8) along the circumferentia...
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WO/2011/157411A2 |
The invention relates to an electric compressor (1) comprising a compression mechanism (3) rotated by a drive device that extends through a main casing (5) defining an internal volume (6) in which an electric motor (2) is installed. The ...
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WO/2011/157409A2 |
The invention relates to an electric compressor (1) comprising a compression mechanism (3) rotated by a shaft (4) that extends through a main casing (5) defining an internal volume (6) in which an electric motor (2) is installed. The ele...
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WO/2011/148453A1 |
Disclosed is a two-stage rotary compressor wherein the inner diameter of a cylinder is increased without an increase or with only a slight increase in the outer diameter of the cylinder, so that increase of the size of the compressor is ...
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WO/2011/143882A1 |
A rotary compressor comprises a motor portion (22) and a compression mechanism portion (21) for carrying out a two-stage compression, which are provided within a sealed housing (1). The motor portion includes a stator (22a) and a rotor (...
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WO/2011/135779A1 |
Disclosed is a fluid machine (8A) provided with an expander (4) having an expander suction hole (4a) and an expander discharge hole (4b), a compressor (6) having a compressor suction hole (6a) and a compressor discharge hole (6b), and a ...
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WO/2011/118348A1 |
Provided is a complex fluid machine used in a Rankine cycle device provided with a circuit formed by sequentially connecting: a pump that sucks in a working fluid via a suction passage, and discharges the working fluid via a discharge pa...
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WO/2011/118562A1 |
A fluid machine (14, 102, 108) is provided with: fluid units (16, 20) which have rotating bodies (40, 66) and into which and from which an operating fluid flows as the rotating bodies (40, 66) rotate; and a drive shaft (72) to which the ...
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WO/2011/114750A1 |
In order to achieve the practical use of an eccentric rotary compression mechanism (20, 30) which comprises a cylinder (21, 31) having an annular cylinder space (C1), a piston (22, 32) disposed eccentrically with respect to the cylinder ...
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WO/2011/102413A1 |
Provided are a rotary compressor and a refrigeration cycle device equipped with the rotary compressor. The rotary compressor is equipped with: a primary bearing and a secondary bearing which are arranged above and below a cylinder; and a...
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WO/2011/102319A1 |
A pressure detector (53) connected to a first passage (42) detects the pressure within the first passage (42). A control unit (26) controls an inverter (25) on the basis of the pressure detection information obtained by the pressure dete...
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WO/2011/083510A1 |
Provided are a refrigeration cycling device that is capable of flow rate matching without pre-expansion or by-passing an expansion mechanism, and an expander installed in such a refrigeration cycling device. A refrigeration cycling devic...
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WO/2011/077930A1 |
Disclosed is a multi-stage vacuum pump which can maintain high compression efficiency and which suppresses pulsations and power fluctuations. In the disclosed multi-stage vacuum pump, which compresses and emits gas drawn in by the rotati...
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WO/2011/072617A1 |
A totally-enclosed type refrigeration compressor and a rotor compressor unit (40) thereof are disclosed. The rotor compressor unit (40) comprises a cylinder (1) provided with a concave accommodating part (11), an end cover (2), a rotor (...
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WO/2011/061429A2 |
The pumping device comprises: a dry rough vacuum pump provided with a gas inlet opening connected to a vacuum chamber and moreover has a gas outlet opening leading into a pipe; a delivery check valve placed in the pipe at the outlet of t...
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WO/2011/055444A1 |
A two-stage compressor and a heat pump device using a two-stage compressor operate with improved efficiency when the load is low. A heat pump device is provided with a main refrigerant circuit formed by sequentially connecting by piping ...
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WO/2011/038617A1 |
A spherical expansion compressor adapted to variable working conditions with a spherical inner chamber comprises a rolling rotor compressor used as first-stage compression, compression working chambers, expansion working chambers, a gas ...
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WO/2011/037012A1 |
An air conditioner is provided with: an indoor unit which is provided with an indoor heat exchanger and an indoor fan; an outdoor unit which is connected with the indoor unit and provided with a compressor comprising a plurality of cylin...
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WO/2011/033710A1 |
Provided is a multistage compressor which causes lubricant oil separated from intermediate pressure refrigerant gas to interfere with a stator coil end regardless of the height of a balance weight in which an oil separation plate is prov...
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WO/2011/034164A1 |
Disclosed is a multi-cylinder rotary compressor (R) in which cylinders (6A, 6B) are provided with an intervening partition plate (2) interposed therebetween, blade rear chambers (10a, 10b) communicate through a blade groove with cylinder...
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WO/2011/030809A1 |
A multiple cylinder rotary compressor (R) is provided, within an enclosed container (1), with compression mechanism sections (3A, 3B) and an oil sump section (15). The compression mechanism sections (3A, 3B) are provided with: cylinders ...
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WO/2011/018370A2 |
The invention relates to a vacuum pump system comprising two vacuum pumps (12, 35) connected to each other. In order to provide a compact vacuum pump system, the two vacuum pumps are connected by connection elements (22, 38) connected di...
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WO/2011/019048A1 |
Provided is a dry pump comprised of a center cylinder and a side cover. The center cylinder is comprised of a plurality of pump chambers including an upper pump chamber which communicates with an intake port and a lower pump chamber whic...
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WO/2011/016354A1 |
Disclosed is an exhaust heat regeneration system which makes it possible to prevent increased temperature of a pump in an expander having an integrated pump. The system comprises: an evaporator for cooling engine cooling water by means o...
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WO/2011/011434A2 |
A gaseous fluid pump having at least one cylinder having a wall defining an inner volume and containing a central axis. First and second pistons that both move along the central axis, wherein the first piston and second piston have simil...
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WO/2011/001100A2 |
This machine comprises two volute casings describing an orbital relative movement, one of the volute casings being fitted with at least one scroll (7) and the other volute casing being equipped with at least two scrolls (12, 13), the var...
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WO/2010/148986A1 |
A method for assembling a pump body of a two-cylinder rotary compressor comprises the following steps: adjusting an upper eccentric clearance and assembling; adjusting a lower eccentric clearance and assembling; and assembling eccentrica...
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WO/2010/143523A1 |
The efficiency of a compressor is increased by reducing pressure loss in a discharge muffler space into which a refrigerant compressed by the compression section is discharged. A low-stage discharge muffler space (31) is formed in an ann...
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WO/2010/143521A1 |
The efficiency of a compressor is increased by achieving at the same time both a reduction in the amplitude of pressure pulsation in a discharge muffler space, into which a refrigerant compressed by a compression section is discharged, a...
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WO/2010/143522A1 |
The efficiency of a compressor is increased by reducing pressure losses at an intermediate connection section for a multiple-stage compressor and in a discharge muffler space in a single-stage twin compressor, etc. Two connection flow pa...
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WO/2010/136472A2 |
The invention relates to a microsystem for converting a difference in pressures in a fluid into mechanical movement, this microsystem comprising: - an inlet nozzle (6) for compressed fluid and an outlet nozzle (8) for expanded fluid, - a...
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WO/2010/136470A2 |
This wheel is equipped with a tyre and an electric device (100), which needs to be supplied with power in order to operate. The device comprises a system (200) for converting the difference in pressure between the pressurized gas inside ...
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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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