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WO/2014/021302A1 |
A drive motor (16) is provided with a rotor (52), a crankshaft (17), and a balance weight (53). The balance weight (53) has a balance section (53a), an engagement section (53b), a section (53c) adjacent to the shaft, and a connection sec...
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WO/2014/020983A1 |
Provided is a rotary fluid machine in which the irregular contact of a crankshaft with a bearing is prevented by reducing the deflection of an intermediate shaft. A crankshaft (1) is provided with a first crankshaft section (3), a first ...
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WO/2014/022289A1 |
A method of operating a refrigeration system having at least three compressors, in which each compressor has an oil sump with oil at an oil level. The method includes separately connecting the oil sumps of the at least three compressors....
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WO/2014/019041A1 |
The present invention relates to a fluid compressor based on scroll type mechanism whose indexing between the discharge chamber and the non-orbiting scroll of the scroll type mechanism is particularly optimized. Therefore, the discharge ...
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WO/2014/012896A2 |
The present invention relates to a pumping device intended to be connected to a process chamber (2) comprising a dry primary vacuum pump (3), an auxiliary pumping means (4) mounted so that said pumping means bypasses a check valve (13) o...
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WO/2014/010199A1 |
A rotary compressor (100A) is provided with an airtight container (1), a compression mechanism (48), a lower end surface plate (34), and a through-hole (50). An oil sump (12) is formed in a bottom part of the airtight container (1). The ...
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WO/2014/003060A1 |
A rotary compression mechanism is provided with a rotor (11) which can rotate about the axis (O1) of a shaft (12) mounted to a casing (1), a cylinder (8) which can rotate about a rotation center (O2) eccentric from the shaft (12), and a ...
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WO/2014/002457A1 |
A rotary compressor (100) is provided with: a sealed container (1); a second cylinder (15); a second piston (28); a lower bearing member (7) (an end plate member); a second vane (33); a second intake port (20); a second discharge port (4...
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WO/2014/001090A1 |
Method for evacuating a chamber (42), according to which a pump arrangement comprising a booster pump (46) and a downstream forepump (47) are connected to said chamber (42). The booster pump (46) is accelerated and gas from the chamber (...
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WO/2014/002456A1 |
In the present invention a refrigerant discharge port (41) is provided with a discharge valve (44) that suppresses the reverse flow of the refrigerant from a refrigerant discharge space (52) to a discharge chamber (26b). In addition, a t...
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WO/2013/165485A1 |
The present pump devices provide a dual pump using two (or more) electric motors (e.g. brushless DC motors) driving the pumps independently, including integration of hydraulic and electrical components and connectors. The illustrated arr...
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WO/2013/152599A1 |
A compressor, an air conditioner system comprising the compressor and a heat pump water heater system. The compressor comprises: a low-pressure compression component, a medium-pressure chamber, a low-pressure chamber air discharge passag...
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WO/2013/153970A1 |
Provided is a two-stage oil-cooled compressor device such that it is possible to supply oil to a bearing even if suction pressure and discharge pressure change. Thus, the two-stage oil-cooled compressor device (1), which results from con...
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WO/2013/146674A1 |
Provided is a two-stage compression device which can adjust an internal compression ratio according to an external compression ratio. A two-stage compression device (1) has a low-stage compression unit (7) and a high-stage compression un...
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WO/2013/133993A1 |
A fluid compression system includes a gaseous fluid compressor having a fluid inlet and a compressed fluid discharge, a prime mover coupled to the gaseous fluid compressor in driving relation, and a demand sensor positioned to measure a ...
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WO/2013/133550A1 |
A horizontal type scroll compressor includes a main scroll through which a crankshaft is rotatably inserted, the main scroll having a fixed wrap formed on a front surface thereof, and an orbiting scroll coupled to the crankshaft inserted...
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WO/2013/131911A1 |
The present invention relates to a pumping unit (IP) comprising at least one first positive-displacement machine (10) and one second positive-displacement machine (20), as well as a control module (MC), in which unit a gas (G) is dischar...
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WO/2013/126969A1 |
Compressor device that is at least provided with a screw compressor (2) with a compression chamber (3) that is formed by a compression housing (4), with a drive motor (10) that is provided with a motor chamber (12) formed by a motor hous...
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WO/2013/122363A1 |
A heat pump of the present invention includes: a twin rotary compressor including an intermediate plate disposed between a first compression chamber and a second compression chamber, sucking and compressing a refrigerant in the first com...
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WO/2013/118824A1 |
Provided is a scroll-type expander having a relatively simple structure, low energy loss and high durability and reliability. A pump-integrated expander (27) is provided with an expansion unit (50) configured as a scroll-type expander. I...
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WO/2013/098021A1 |
The present invention relates to a compressor (1) comprising a casing (2) supporting the members therein and wherein oil lubricating the movable components is placed, an inlet pipe (3) that is disposed on the casing (2) and that provides...
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WO/2013/087822A1 |
The invention relates to a device for pumping gas intended to be connected to a chamber that is to be pumped, comprising a first pumping stage (7) intended to be connected to the outlet of the chamber that is to be pumped, and at least o...
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WO/2013/087713A2 |
The invention relates to a device for evacuating a chamber (14) and for purifying the gas extracted from said chamber (14) of any foreign substances. The device comprises a dry-condensing vacuum pump (15) having an input (17) connected t...
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WO/2013/084100A1 |
A vacuum generation system, in particular for applications to hybrid-drive motor vehicles, comprises a vacuum pump (10) arranged to be independently driven by either an internal combustion engine (1 1) or an electric motor (12) depending...
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WO/2013/073182A1 |
A rotary compressor (100) has a sealed container (1), a cylinder (15), a piston (28), a bottom bearing member (7), a vane (33), an intake port (20), a discharge port (41), and a partitioning member (10). The portioning member (10) is att...
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WO/2013/073183A1 |
A rotary compressor (100) has a sealed container (1), a cylinder (15), a piston (28), a bottom bearing member (72), a vane (33), an intake port (20), a discharge port (41), and a partitioning member (64). The partitioning member (64) is ...
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WO/2013/069275A1 |
A highly efficient compressor is provided in which an intake hole (12) has a reduced-diameter part (12a) located on the downstream side, and an enlarged-diameter part (12b) located on the upstream side, the non-contacting length from the...
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WO/2013/061606A1 |
This 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 circumfere...
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WO/2013/061879A1 |
This multi-cylinder rotary compressor (100) is provided with: a plurality of compression chambers (21a, 21b) that are adjacent to each other; and a partition plate (35) divided into two division plates (42), the meeting surfaces (43) of ...
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WO/2013/061957A1 |
This multi-cylinder rotary compressor is provided with a plurality of adjacent compression chambers (21a, 21b), and a division plate (35) which is separated into two separate plates (42a, 42b), and divides the adjacent compression chambe...
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WO/2013/057946A1 |
A rotary compressor having two cylinders (6a, 6b), and two compression elements (4a, 4b) arranged on either side of a partition plate (5), with these compression elements having rolling pistons (8) inside the cylinders (6), and a cranksh...
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WO/2013/047307A1 |
The compression mechanism section of a hermetically closed compressor, the compression mechanism section being housed within a hermetically closed case, has a first cylinder, a second cylinder, and a partition plate which is located betw...
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WO/2013/042141A1 |
A bladed expander (1) for recovery of thermal energy from a working fluid, comprising a stator (3) provided with an inlet port (10) and an outlet port (11) for the working fluid, a rotor (5) housed within the stator (3), and a plurality ...
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WO/2013/042527A1 |
This compressor is provided with a drive shaft, a housing, a rotor, and cradles. The rotor is formed in an annular shape having cradle windows penetrating through in the radial direction. The rotor can rotate within the rotor chamber tog...
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WO/2013/027237A1 |
Provided is a two-stage compressor capable of enlarging the injection operation range during a vapor compression refrigeration cycle, wherein it is possible to improve both the reliability and efficiency of the two-stage compressor. A tw...
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WO/2013/025518A1 |
An enhanced efficiency pumping apparatus, and general method of use, includes a counter-rotating motor with two oppositely rotating drive shafts with a first pump secured to the one of the drive shafts and a second pump secured to the ot...
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WO/2013/015215A1 |
The purpose of the present invention is to provide a fluid machine capable of reducing vibrations and noise by obtaining a static balance or a dynamic balance with regard to reciprocating components of two or more fluid intake/exhaust me...
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WO/2013/015072A1 |
The present invention comprises a scroll unit (12), a frame (14), and support mechanism (11) for supporting a movable scroll (10) in the center part of a base surface (10b) thereof so as to allow orbital rotating motion, wherein the supp...
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WO/2013/007278A1 |
The invention relates to a vacuum pump for use in the automotive sector, comprising a rotor element (32) that is fixed on a rotor shaft (14) and arranged in a rotor housing (8), and an electric drive body (10) which directly or indirectl...
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WO/2013/005568A1 |
A multi-cylinder rotary compressor (2) has, encased within a hermetically sealed case (9): an electric motor section (10); a low-stage-side compression mechanism section (11) located below the electric motor section (10); and a high-stag...
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WO/2012/173123A1 |
The present invention relates to a fluid machine wherein operation of each rotation unit can be assessed individually, the length in the axial direction can be reduced, and the number of component parts as well as the number of steps for...
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WO/2012/169181A1 |
This rotary compressor (100) is equipped with a compression mechanism (3), a motor (2), an intake channel (14), a return passage (16), and an on-off valve (32) as a control mechanism (30), and is provided with an internal space (28) that...
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WO/2012/169339A1 |
A hermetically sealed compression device used for the refrigeration cycle device of an embodiment is configured in such a manner that a rotation/compression mechanism section is housed within a hermetically sealed case and that an accumu...
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WO/2012/165646A1 |
A vacuum pump (10) has a pump casing (54) including pump chambers (50a-50f) held in fluid communication with each other and arrayed in a longitudinal direction thereof, an inlet port (52a) and an outlet port (52b), a rotational shaft (58...
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WO/2012/165645A1 |
A vacuum pump (10) includes a pump casing (56) having an inlet port (54a), an outlet port (54b), and pump chambers (50a-50f) defined therein, rotational shafts 60 having opposite ends rotatably supported by bearings (84a, 84b) on the pum...
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WO/2012/156011A1 |
The invention relates to an electric compressor (7) comprising: a compression mechanism (3); an electric motor (2) driving the compression mechanism (3), said electric motor having an axis of rotation (X); and an electric motor (2) power...
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WO/2012/153521A1 |
The present invention provides a capacity control refrigeration cycle device with which the capacity can be changed with high efficiency. In either operating mode - that is, when the refrigeration cycle device is under full operation wit...
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WO/2012/126137A1 |
A claw type vacuum pump includes pump chambers (1) within which pairs of rotors are installed. Each pair of rotors consists of two rotors (2) respectively installed on two parallel main shafts (3, 4) and rotating in opposite directions. ...
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WO/2012/127749A1 |
Provided is a scroll compression device that can support a greater elimination capacity using a magnetic balancer. A scroll compression mechanism (11), which compresses a refrigerant, and a drive motor (13) that is coupled to the scroll ...
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WO/2012/113517A1 |
The invention relates to a compressor (1) including a housing (3) defining an intake circuit for channeling a fluid and forming a space (11) in which a shaft (19) supported by a main pivot connection (20) and by a secondary pivot connect...
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