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WO/2019/021550A1 |
The compression section (12) of this rotary compressor (1) is provided with: an intermediate partition plate (140) disposed between an upper cylinder (121T) and a lower cylinder (121S); an upper vane (127T) for dividing an upper cylinder...
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WO/2019/022037A1 |
A flow-adjusting plate (160) is provided to divert the flow of refrigerant supplied from an intake tube (13), and an upper-end surface of the flow-adjusting plate (160) is positioned between a lower end and upper end of an opening part (...
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WO/2019/022134A1 |
A compressor (1), wherein a flow-adjusting plate (160) provided inside a sealed container (10) is configured such that some of a refrigerant flowing in from an intake tube (13) flows to a compression-mechanism (170) side without collidin...
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WO/2019/021432A1 |
This scroll compressor comprises: a container; a stationary scroll provided within the container; an orbiting scroll provided within the container and combined with the stationary scroll; a main shaft provided within the container and ca...
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WO/2019/021252A1 |
Vane compressor comprising a stator (5), a rotor (10) housed in the stator (5) and provided with a body (10) internally tangent to a side wall (8) of the stator (5) and with a plurality of vanes (13) sliding in respective seats (14) form...
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WO/2018/132019A3 |
A Rotary Claw Pump wherein at least one pair of intermeshing rotors has the same shape within a tolerance of plus or minus 3 percent of the radii from the edges of their shapes to their centers of rotation and wherein on a convex portion...
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WO/2019/021976A1 |
In a rotary compressor (1), a lower end plate (160S) has: a reed-valve-type lower discharge valve (200S) that opens and closes a lower discharge hole (190S); a lower-discharge-valve accommodation recess (164S) that extends from the lower...
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WO/2019/017248A1 |
In this rotary compressor, at least the bottom of a communication groove (72) continuing from a cylinder chamber (51) to a resonance chamber (71) is formed of a curved surface, the flow rate of gas flowing through the communication groov...
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WO/2019/008875A1 |
In the present invention, a discharge port (32) opens at the position where a fixed-side wrap (42) of a fixed scroll (40) begins to be wrapped. A first port expanding section (61) and a second port expanding section (62) which communicat...
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WO/2019/007110A1 |
A rotor-type compressor. The compressor comprises a first support assembly and a second support assembly (111); the first support assembly is an upper supporting assembly, and is coaxially provided with the end of a crank (102) passing t...
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WO/2019/008892A1 |
According to the present invention, an intake passage (C) is provided with: insert pipe parts (65, 91) inserted into a through hole (83) of a lid part (22) of a casing (20); and intra-mirror plate passages (73, 92, 94) formed inside a fi...
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WO/2019/003335A1 |
This scroll compressor is provided with: a frame which slidably retains an orbiting scroll; a fixed scroll which together with the orbiting scroll forms a compression chamber; and a shell which fixes the fixed scroll separately from the ...
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WO/2019/004730A1 |
The present invention relates to a rotary compressor having a two-stage compression structure, wherein a refrigerant suctioned into a compression space of a cylinder is compressed in two coaxially connected compression chambers and then ...
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WO/2019/002363A1 |
The invention relates to a displacement compressor system for the refrigerant R718, comprising a compressor machine (41), an evaporator (35), and a condenser (36). The open compressor machine (41) is designed as a spindle compressor in t...
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WO/2018/235164A1 |
A screw compressor that comprises a drive device and a pressure switching mechanism. The drive device comprises: a Vi piston that is connected to a variable Vi valve; and a drive cylinder that movably houses the Vi piston. The pressure s...
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WO/2018/236096A1 |
The present invention relates to a compressor which includes: a rounded portion formed around a discharge port thereof; a cylinder from which a diaphragm has been removed for convenience of shaping the rounded portion; and a cylinder cov...
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WO/2018/236143A1 |
A scroll compressor and an air conditioner including the same according to the present invention may comprise: a driving motor disposed in an inner space of a casing; a rotation shaft coupled to the driving motor; a frame disposed at a l...
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WO/2018/234755A1 |
A twin-shaft pump comprising: a pumping chamber; two rotatable shafts each mounted on bearings is disclosed. Each of the two rotatable shafts comprises at least one rotor element, the rotor elements being within the pumping chamber and t...
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WO/2018/229459A1 |
A twin shaft pump comprising: two cooperating rotors configured to rotate in opposite directions about parallel axes of rotation; a stator comprising a stator bore in which the rotors are mounted to rotate. The stator bore comprises a ce...
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WO/2018/228784A1 |
The invention relates to a multi-stage rotary piston pump comprising two shafts in a housing, which support multiple rotary pistons. Corresponding rotary pistons form a respective rotary piston pair, wherein multiple rotary piston pairs ...
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WO/2018/230827A1 |
According to the present invention, a scroll compressor has a discharge port formed in the center portion thereof, and has two compression chambers formed in a pair and continuously moving toward the discharge port, wherein both compress...
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WO/2018/230876A1 |
A scroll compressor includes a casing accommodating a rotary shaft and a driving unit, a first scroll making an orbiting movement by the rotary shaft, a second scroll engaged with the first scroll to form a compression chamber and having...
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WO/2018/230437A1 |
This scroll compressor (10) is provided with a stationary scroll (50) having a stationary scroll wrap (52), and is also provided with a movable scroll (60) having a movable scroll wrap (62). A second thickness (T2), i.e., the thickness o...
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WO/2018/224117A1 |
A vacuum pump (1) suitable for mounting to an engine, comprising a casing (2) having a cavity (4), and a moveable member (6) arranged for rotation inside the cavity (4), where-in the cavity (4) is provided with an inlet (10) and an outle...
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WO/2018/225523A1 |
A motor 3 is provided with a stator 33 and a rotor 32 disposed in a corrosive gas atmosphere. The stator 33 is provided with a stator core 41 and a plurality of windings 42. Ring-shaped members 54 exhibit corrosion resistance against the...
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WO/2018/225155A1 |
The present invention provides a scroll compressor wherein a first flow path that supplies oil separated by an oil separation mechanism disposed in a hermetic vessel to an oil reservoir at the bottom of the hermetic vessel is formed in a...
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WO/2018/224253A1 |
The invention relates to a method for monitoring an operating state of a pumping device (5) connected to a process chamber (2) with a view to determining a faulty operating state of the pumping device (5), the pumping device (5) comprisi...
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WO/2018/220698A1 |
This scroll compressor is provided with: a sealed vessel; a fixed scroll; a rocking scroll; a main shaft having a main shaft part and a rocking shaft part; a main bearing that holds the main shaft part so that the main shaft part is radi...
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WO/2018/220747A1 |
This scroll compressor is provided with: an oil separator which separates oil from a refrigerant discharged from a compression mechanism; an oil return pipe, one end of which is connected to the oil separator; and a first pump element wh...
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WO/2018/221229A1 |
[Problem] To achieve optimization of back pressure in a scroll compressor. [Solution] This back pressure control valve (400) is provided with: a valve hole (484A) communicating with a discharge chamber; a body (440) in which a first pres...
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WO/2018/221416A1 |
A stationary scroll wrap (52) includes a spiral-shaped stationary spiral section (57) and a circular arc-shaped stationary circular arc section (58). A movable scroll wrap (62) includes a spiral-shaped movable spiral section (67) and a c...
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WO/2018/217173A1 |
A rotary vane apparatus including a housing which has an inner wall enclosing a cylindrical cavity defining a central cavity axis; a cylindrical rotor rotatable about a central rotor axis which extends parallel and offset to the central ...
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WO/2018/216916A1 |
The present invention relates to a rotary compressor comprising: a drive motor provided inside a case and a rotation shaft coupled to the drive motor, for delivering rotational force; a first cylinder and a second cylinder each having an...
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WO/2018/212076A1 |
This scroll compressor is provided with a fixed scroll (12) and a movable scroll (11), changes the capacity of a working chamber by orbital motion of the movable scroll so as to cause a refrigerant to be suctioned into the working chambe...
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WO/2018/211567A1 |
Provided is a scroll-type fluid machine with which damage to spiral laps, etc., due to the movement of a bottom plate can be reduced, and longer life can be achieved. This scroll-type fluid machine comprises a fixed scroll in which a spi...
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WO/2018/208024A1 |
A scroll compressor according to the present invention comprises: a casing in which the inner space is sealed; a driving motor which comprises a stator fixed in the inner space of the casing, and a rotor rotating inside the stator, and w...
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WO/2018/207743A1 |
Provided is a high-efficiency scroll compressor configured so that the deformation of a stationary scroll during operation can be suppressed. This scroll compressor is provided with: a stationary scroll (30) having a stationary end plate...
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WO/2018/208023A1 |
A scroll compressor according to the present invention comprises: a driving motor which comprises a stator fixed in an inner space of a casing, and a rotor rotating inside the stator, and which is equipped with an inner passage and an ou...
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WO/2018/204218A1 |
A device under test cooling system has a refrigerant line and a fluid line extending through a plurality of successively arranged heat exchangers. A digital scroll compressor has an intake for providing the refrigerant mixture to the com...
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WO/2018/202520A1 |
The invention relates to a screw compressor comprising a compressor housing (11) having two rotor screws (1, 2) which are mounted therein in an axially parallel manner, engage with one another in a compression chamber (18), can be driven...
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WO/2018/198202A1 |
This compressor is provided with: a key inserted into a first key groove in a rotor and also into a second key groove in a shaft body and having a greater length than the rotor; a spacer having a second through-hole having inserted there...
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WO/2018/198370A1 |
In this vane pump, an accommodation space 10 is closed by an upper plate 8, a pump chamber 20 is defined by a rotor 18 accommodated in the interior of said accommodation space 10, and a fluid is taken in and discharged as a result of a v...
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WO/2018/198648A1 |
This scroll compressor manufacturing method employs a machine tool (1) provided with: a table (30); a workpiece securing portion (40) which is provided on the table (30) to cause the table (30) to hold a workpiece; and a tool gripping po...
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WO/2018/199488A1 |
According to the present invention, a scroll compressor comprises: a first scroll including a first end plate part having a shaft receiving hole, through which a rotary shaft passes, formed in the center portion thereof, and having a dis...
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WO/2018/198366A1 |
Provided is a vane pump 1 in which a cylindrical rotor 18 is arranged within an accommodation space 10 provided to a pump housing 2, pump chambers 20 are defined on both sides of the rotor 18, both sides of an outer circumferential surfa...
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WO/2018/197458A1 |
The invention relates to a compressor (2), in particular an electric-motor refrigerant compressor, for compressing a fluid (F), having a compressor housing (4) with a housing bottom (6), and having a compressor part (8) which is mounted ...
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WO/2018/198368A1 |
In this vane pump, inner and outer walls constituting two layers are integrally formed in an annular shape in a pump housing (15), the lower section of an inner circumferential wall (22) is closed by a bottom wall (24) and the upper sect...
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WO/2018/196486A1 |
Provided is a compressor, comprising: a housing (3), which is provided with a first opening to form an accommodation space, and comprises a barrier (308) dividing the accommodation space into a low-pressure cavity (309) and a controller ...
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WO/2018/198862A1 |
A scroll compressor (S) comprises: a fixed scroll (10) having a spiral-shaped wrap (12) which is disposed upright on a base plate (11); an orbiting scroll (20) having a spiral-shaped wrap (22) which is disposed upright on a base plate (2...
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WO/2018/198369A1 |
In this vane pump, a cylindrical rotor (18) is arranged within an accommodation space (10) of a pump housing (2), a pair of pump chambers (20) are individually defined on the front and rear sides of the rotor (18), and the left and right...
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