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WO/2017/057848A1 |
The present invention relates to an electric compressor comprising: an inverter which is connected to an external power source via a connector unit to control a driving unit which compresses a fluid by driving a compression unit; and a p...
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WO/2017/048830A1 |
An intermediate discharge port in a scroll compressor and a method for controlling part- load efficiency of a scroll compressor are disclosed. The compressor includes a compressor housing; a non-orbiting scroll member and an orbiting scr...
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WO/2017/043471A1 |
[Problem] To make it possible for a scroll fluid machine that is a single-plate compressor-integrated expander to start easily and reliably and operate stably. [Solution] Coolant compressed in a compressing unit of a scroll fluid machine...
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WO/2017/038308A1 |
A two-stage screw compressor 2 is provided with a first-stage compressor body 4, a second-stage compressor body 6, and a control device 8. The first-stage compressor body 4 is driven by a first motor 12, the rotation speed of which is ca...
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WO/2017/031807A1 |
Disclosed is a non-coaxial vacuum pump with multiple driving chambers, comprising a plurality of independent vacuum driving chambers (1, 2, 3, 4), wherein the plurality of vacuum driving chambers (1, 2, 3, 4) are connected in series to f...
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WO/2017/031428A1 |
HVAC systems and methods for delivering highly efficient heating and cooling using ambient air as the working fluid. A plenum has an upstream inlet and a downstream outlet, each in fluid communication with a target space to be heated or ...
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WO/2017/028839A1 |
An electromotive vacuum pump for land and air vehicles having a cylindrical working chamber in which a slider is arranged between a suction opening and an outflow opening, which slider slides in a guiding slot of an eccentric rotary pist...
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WO/2017/024865A1 |
Disclosed is a compressor. The compressor comprises a crankshaft (10), and a first cylinder (20), a second cylinder (30) and a third cylinder (40) arranged sequentially in an axial direction of the crankshaft (10). The first cylinder (20...
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WO/2017/027613A1 |
An oil balancing system for a multiple compressor system is provided. The oil balancing system includes an oil equalization line disposed between a first compressor and a second compressor. A first solenoid valve is provided in the oil e...
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WO/2017/027688A1 |
A compressor (20) comprises: a housing assembly (22) having a plurality of ports including a suction port (24) and a discharge port (26); a male rotor (30) mounted for rotation about an axis (500); a female rotor (32) enmeshed with the m...
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WO/2017/015278A1 |
A scroll compressor with unfastened thrust plate includes a compressor housing and scroll compressor bodies disposed in the compressor housing. The scroll bodies include a fixed scroll body and a moveable scroll body. The fixed and movea...
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WO/2016/209725A1 |
Apparatus, e.g., including a pump or rotary device, having a discharge casing and a discharge casing insert. The discharge casing may be configured with a discharge flow pathway for providing a flow of effluent being pumped and discharge...
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WO/2016/207418A1 |
Disclosed is a device for fastening at least one piston to a shaft of a compression/expansion machine, said piston having the shape of a truncated torus, and the shaft being cylindrical. The disclosed device is characterized in that it c...
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WO/2016/194754A1 |
Provided is an air compression device comprising: a first compressor including a first port wall having a first suction port formed therein; a second compressor including a second port wall having a second suction port formed therein; an...
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WO/2016/189801A1 |
According to the present invention, a first groove section (222a) in which a first vane (23a) partitioning a first compression chamber (Va) is fitted in a slidable manner, and a first rotor side intake channel (224a) which guides, to the...
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WO/2016/181446A1 |
The present invention has a valve mechanism (50) that blocks an oil-supply flow path during non-compression operation and opens same during compression operation, said oil-supply flow path guiding lubricating oil that is inside a sealed ...
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WO/2016/168057A1 |
A spool compressor (220) comprises a housing (228, 244, 248) having: at least a first inlet port (30); and at least a first outlet port (32). A first spool is mounted for rotation of about a first spool axis (500). A second spool is moun...
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WO/2016/157688A1 |
A rotating cylinder type compressor has: a circular cylindrical cylinder (21) rotating about a center axis (C1); a circular cylindrical first rotor (22a) and a circular cylindrical second rotor (22b), which rotate about an eccentric axis...
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WO/2016/155806A1 |
The present invention relates to a crankshaft (1) for use in a hermetic compressor (2) comprising a bearing (3), a rotor (4) and a lubricant sump (5). The crankshaft (1) comprises a journal (7), an inner diameter surface (6a) for conveyi...
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WO/2016/116494A1 |
The invention relates to a pump unit (10), comprising: a separator (11), which comprises at least one fluid inlet (12, 12a) for a fluid mixture, which comprises liquid and gaseous media, at least one liquid outlet (13), and at least one ...
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WO/2016/115755A1 |
Disclosed is an electric compressor (1), comprising an electric motor (3) provided with a stator (4) and a rotor (30); a compression mechanism (5) having an eccentric shaft (10) rotatably connected with the rotor (30) in a sliding way an...
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WO/2016/115901A1 |
Provided is an intermediate cavity structure, wherein a first assembling hole (910) and an intermediate cavity (920) are provided in the intermediate cavity structure (9), a baffle (930) is provided inside the intermediate cavity (920), ...
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WO/2016/113006A1 |
The scroll compressor includes a compression unit comprising a first fixed scroll (4) having a receiving cavity (25) and an orbiting scroll arrangement, a refrigerant suction part (29) suitable for supplying the compression unit with a r...
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WO/2016/113005A1 |
The scroll compressor includes a closed container (2), a compression unit (3) including a first fixed scroll (4) and an orbiting scroll arrangement (7), a drive shaft (31) adapted for driving the orbiting scroll arrangement (7) in an orb...
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WO/2016/113785A1 |
This refrigeration cycle device comprises: a compressor comprising a first compression chamber and a second compression chamber; a condenser; a decompressor; an evaporator; an injection route to introduce intermediate pressure refrigeran...
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WO/2016/103635A1 |
Provided is a rotating-cylinder compressor, wherein: a shaft-side intake channel (24d) through which a refrigerant flows is formed in the interior of a shaft (24) for rotatably supporting a rotor (22a); formed in the interior of the roto...
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WO/2016/098710A1 |
In this rotary compressor, a lower end plate cover is formed in a plate shape, a lower end plate (160S) has a lower discharge chamber concavity (163S) formed so as to overlap a lower discharge hole (190S) of a lower discharge valve housi...
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WO/2016/092906A1 |
The objective of the present invention is to provide a compressor with which it is possible to reduce the bending amount of a drive shaft and reduce the noise generated by vibration caused by a bending eigenvalue. This compressor is prov...
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WO/2016/076064A1 |
The present invention is a rotating compressor provided with a compression mechanism part constituted of: an airtight case; a plurality of cylinders that are partitioned by partitioning plates inside the airtight case and that have intak...
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WO/2016/070640A1 |
A compressor, an air-conditioning system and a compressor control method are disclosed. The compressor comprises two parallel arranged primary cylinders (10) and a secondary cylinder (20) arranged in the downstream of the two primary cyl...
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WO/2016/063485A1 |
A scroll compressor is provided with a rotor (24), a first stator (26), and a second stator (28). The rotor has: a rotor base (241) including a crank fitting section (242); a first rotor tooth section (243) provided on one axial side of ...
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WO/2016/058984A1 |
In order for a refrigerant compressor, comprising a compressor unit with a compressor housing and with at least one compressor element which is arranged in the compressor housing and which serves for the compression of refrigerant, compr...
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WO/2016/041824A2 |
The invention relates to a compressor which comprises: a compressor housing; a scroll compressor unit having a first, stationary compressor body and a second compressor body which can be moved relative to the stationary compressor body, ...
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WO/2016/043454A1 |
Disclosed is a compressor. A lubrication surface, which has the same curvature as an inner circumferential surface curvature of a cylinder and which has a predetermined circumference length, is formed on an outer circumferential surface ...
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WO/2016/034485A2 |
Disclosed is a claw pump having two rotor shafts (14) which each support a plurality of rotors (10, 12). In a preferred embodiment, the rotor shafts (14) form a single piece together with the associated rotors (10, 12). The rotor shafts ...
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WO/2016/035697A1 |
Provided is a compressor that uses balancing weights and is capable of suppressing oil outflow caused by the balancing weights. A scroll compressor is provided with a crankshaft (50), an electric motor, an upper balancing weight (60), an...
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WO/2016/035047A1 |
A two-stage rotary compressor (10) for gas, in particular air. The compressor (10) comprises a bottom plate (20) and a head (30) enclosing between them two compression stages ((I), (II)). The compressor is characterized in that an interc...
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WO/2016/031129A1 |
[Problem] To provide a rotary compressor in which a rotation shaft is axially supported by at least three bearing portions, and a refrigeration cycle device, the rotary compressor being capable of easily aligning the bearing portions and...
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WO/2016/031576A1 |
The purpose of the present invention is to provide a sealed-type electric compressor that can easily reduce vibration and noise simply by changing the shape of a portion of a casing, without impacting in any way a compressor mechanism an...
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WO/2016/027413A1 |
Provided are: a rotary compressor wherein it is possible to reduce discharge resistance and pulsation, improve performance, and reduce noise; and a refrigeration cycle device. A compression mechanism part (12) has a cylinder (15) and a p...
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WO/2016/017281A1 |
The rotary compressor of an embodiment has: a pair of cylinders having cylinder chambers; a plurality of annular partition plates (42, 43); and a rotating shaft. The rotating shaft has a pair of crank eccentric sections (32, 34) and a co...
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WO/2016/018915A1 |
A compressor is provided and may include a shell, a compression mechanism, a driveshaft, and a motor assembly. The compression mechanism may be disposed within the shell. The driveshaft is drivingly engaged with the compression mechanism...
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WO/2016/012759A1 |
The present invention relates to a multi-stage vacuum pump comprising: first and second half-shell stator components (102, 104) and first and second end stator components (122, 124) which when assembled define a plurality of pumping cham...
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WO/2016/012758A1 |
The present invention relates to a multi-stage vacuum pump comprising: first and second half-shell stator components (102, 104) and first and second end stator components (22, 124) which when assembled define a plurality of pumping chamb...
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WO/2016/013322A1 |
The compressor of an embodiment has a compressor body, an accumulator, and suction pipes. The compressor body has compression mechanism sections arranged in a vertically spaced relationship. The accumulator is positioned to a side of the...
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WO/2016/005890A1 |
Plate (4) of an electric compressor for refrigerant fluid, which plate is intended to separate an electric motor of the electric compressor from an electric control device of said electric motor, said plate (4) comprising an end wall (5)...
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WO/2016/002557A1 |
A multi-stage compression system wherein gas which has already been compressed by a pair of first-stage compressors is compressed using subsequent-stage compressors which are connected in series to the first-stage compressors, said multi...
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WO/2015/198647A1 |
A bearing oil feeding amount is appropriately controlled with respect to specifications of a discharge pressure (bearing load) and a rotation speed. A gas compressor has: a compressor main body that compresses gas and has a rotor; a bear...
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WO/2015/196880A1 |
Disclosed is a dual-stage compressor, comprising an upper air cylinder (102) and a lower air cylinder (101), a middle baffle plate (103) being disposed between the two; a sliding plate groove for accommodating a lower air cylinder slidin...
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WO/2015/198539A1 |
A rotary compressor having two cylinders is provided with a crankshaft (7) having a first eccentric section (7a) and a second eccentric section (7b), which are connected by a connection section (7e). The rotary compressor is also provide...
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