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WO/2017/089745A1 |
Dry scroll vacuum pump comprising a pump housing (12) having a housing inlet (24) and a housing outlet (26), a fixed scroll (22) fixed relative to the pump housing, a drive shaft (14) having an axis (70) and an eccentric shaft portion (1...
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WO/2017/088570A1 |
A turbo compressor comprises a housing (11); a crankshaft rotor component (12) and a stator component (13) disposed in the housing (11); and a machine frame (16) disposed in the housing (11), corresponding to a position of a coolant inle...
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WO/2017/089157A1 |
The invention relates to an arrangement of an electric vacuum pump (1) for example in a vehicle, there being provided a mounting element (10) on which the vacuum pump (1) is installed, and wherein the vacuum pump (1) comprises a pump cha...
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WO/2017/089156A1 |
The invention relates to a vacuum pump (100) with a substantially cylindrical pump housing (10) in which a rotor with slide elements is rotationally mounted and which has at least one air outlet opening (11). A pot-shaped silencer hood (...
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WO/2017/090089A1 |
A rotary compressor (1) comprising a first compression unit (10) and a second compression unit (20) is provided, at the second compression unit (20), with a switching mechanism (31) for switching between a compression operation state in ...
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WO/2017/088586A1 |
A multi-tank dual-stage enthalpy increasing compressor comprises a lower cover plate (10), a lower flange (9), an upper division plate (4), a middle division plate (5), and at least one middle cavity volume formed between each pair of th...
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WO/2017/086105A1 |
A scroll compressor is equipped with: a scroll compression mechanism that is housed in a housing and compresses a low-pressure gas; a motor that is linked to the scroll compression mechanism by a rotary shaft and that drives the scroll c...
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WO/2017/085783A1 |
A slider of the scroll compressor has a slider member, and a balancer member that is a separate member from the slider member and is fixed to the slider member. The balancer member has a main weight part and a support part for supporting...
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WO/2017/084633A1 |
A pump unit applied to a high-pressure cleaning machine comprises: a water inlet cavity (43); a water outlet cavity (44); and a central chamber (41), communicated with the water inlet cavity (41) and the water outlet cavity (44). The pum...
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WO/2017/085935A1 |
In order to ensure reliable engagement of pins and an engagement hole (ring) serving as a rotation prevention mechanism in a scroll fluid machine wherein the turning radius of an orbiting scroll is constant, this scroll fluid machine 10 ...
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WO/2017/085256A1 |
The invention relates to a displacement machine according to the spiral principle, in particular a scroll compressor (10) or scroll expander, comprising a high-pressure chamber (40), a low-pressure chamber (30), and an orbiting displacem...
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WO/2017/084991A1 |
Rotary compressor arrangement (100) for compressing a fluid comprising a body (40) centered at an axis (X) of a shaft (20) and a cylindrical piston (10) eccentrically arranged with respect to the body (40) such that a compression chamber...
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WO/2017/080599A1 |
The invention relates to an electric motor vehicle vacuum pump (10) with a brushless, electronically commutated, sensorless drive motor (13), wherein the electric motor vehicle vacuum pump (10) has a pump housing (12) which forms a pump ...
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WO/2017/082737A1 |
A centrifugal pump is provided, which main components, rotor and scroll, are principally made of iron pieces. Each piece may be easily replaced. Each piece may provide a side, the one on the inner side is the scroll, a surface with great...
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WO/2017/080568A1 |
The invention relates to a vacuum pump (1), in particular rotating vane pump, comprising a housing defining (50) a cavity (52) having an inlet and an outlet, a vane member (14) for a rotary driven movement inside the cavity (52), a driva...
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WO/2017/081845A1 |
In the present invention an oil passage (51) is formed so as to communicate with an oil reservoir (50) and a compression chamber suction-side space (25s) formed inside a casing (10), and a plunger (33) of a suction volume adjustment mech...
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WO/2017/076418A1 |
The invention relates to motor vehicle vacuum pump (10), comprising a pump chamber (12), in which a pump rotor (13) rotates in a compressing manner, and an outlet chamber (18), into which the compressed gas escapes from the pump chamber ...
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WO/2017/079163A1 |
A supercharged internal combustion engine (10) has a supercharger (11) operable to selectively supply a mass of air from below through above atmospheric air pressure according to the operating requirements of the engine (10). The superch...
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WO/2017/077826A1 |
This scroll compressor (100) is provided with: an electric motor (3); a rotating shaft (4); a scroll compressor body; a main bearing; a sub-bearing (9B) that has a plurality of arms (79); a housing (1); a ring-shaped harness (40) that is...
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WO/2017/077827A1 |
This scroll compressor (100) is provided with: a rotating shaft (4); a scroll compressor body (2); a main bearing (9A); a sub-bearing (9B) that has a plurality of arms (79); and a housing (1) in which openings (H1) for welding, said open...
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WO/2017/072867A1 |
A rotary compressor has: a crankshaft provided with an eccentrically rotating rolling piston; a compression mechanism having a cylinder for accommodating the rolling piston, the compression mechanism also having a primary bearing and a s...
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WO/2017/073213A1 |
This scroll compressor comprises: a housing; a partitioning member that divides the interior space of the housing into a first chamber and a second chamber, the first chamber having therein a fixed scroll and an orbiting scroll; a scroll...
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WO/2017/063588A1 |
A double-stage capacity-variable compressor and an air conditioning system having the same. The double-stage capacity-variable compressor comprises a first cylinder group (10) and a second cylinder group (20). The first cylinder group (1...
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WO/2017/063503A1 |
A capacity changing mechanism (2) for a scroll compressor (1). The scroll compressor (1) comprises a compression mechanism. The compression mechanism comprises a fixed scroll member (5) and a movable scroll member (6) for defining a seri...
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WO/2017/061014A1 |
A rotary compressor is provided with an electric motor section and a compression mechanism section which is driven by the electric motor section, the electric motor section and the compression mechanism section being accommodated within ...
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WO/2017/058369A1 |
A compressor (20; 600) comprising: 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...
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WO/2017/056644A1 |
Provided are: a rotary compressor configured so that, even if a blade which comprises two blade members overlapped on each other is used in the rotary compressor, a gap through which operating fluid leaks to the outside will not occur in...
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WO/2017/055129A1 |
The invention relates to a multi-stage rotary vane pump comprising at least two rotor elements (14, 38). Said rotor elements are supported by a rotor shaft (36). According to the invention, said rotor elements (14, 38) and the rotor shaf...
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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/2017/057159A1 |
[Problem] To provide a scroll-type compressor with which degradation of bearing durability can be prevented while avoiding cost increase. A scroll-type compressor 1 is provided with: a fixed scroll member 21; a revolving scroll member 22...
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WO/2017/056837A1 |
A screw compressor comprises: a compressor body (2) having a male and female pair of screw rotors (3) accommodated within a rotor chamber (17); a motor (6) having a rotor (6a) and a stator (6b), which are accommodated within a motor cham...
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WO/2017/057026A1 |
Provided is a screw rotor machining method in which screw tooth grooves are formed by simultaneously controlling a plurality of rotation shafts that are for rotating a workpiece and turning a tool. The machining method includes: a step o...
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WO/2017/056213A1 |
A scroll compressor is provided with: an orbiting scroll having a first spiral tooth which is disposed on one surface of a first end plate, and also having a first tip seal which is disposed on the front end surface of the first spiral t...
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WO/2017/050362A1 |
The invention relates to motor vehicle vacuum pump (10), comprising a pump chamber (12), in which a pump rotor (11) rotates in a compressing manner, and an outlet chamber (14), into which the compressed gas escapes from the pump chamber ...
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WO/2017/052114A1 |
The present invention relates to a technique for efficiently cooling a vacuum pump for vacuuming a process chamber of a semiconductor manufacturing facility. The present invention provides a vacuum pump with a cooling apparatus, which re...
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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/2017/045411A1 |
A screw compressor and a machine body thereof. The machine body comprises a shell (1), and the shell (1) is provided with an air suction port (11) and an exhaust end face (12). A rotor cavity and a sliding valve cavity (14) are formed in...
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WO/2017/042653A1 |
A screw compressor (100), provided with: an electric motor (4); a screw rotor sharing an axis of the electric motor (4), and being driven by the electric motor (4); a casing accommodating the electric motor (4) and the screw rotor, and c...
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WO/2017/042969A1 |
A scroll compressor is configured so as to accommodate within an enclosed container: a compression mechanism provided with a stationary scroll and an orbiting scroll; and a drive section for the compression mechanism. A suction pipe exte...
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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/2017/042646A1 |
Provided is a permanent magnet rotary electric machine, provided with: a stator (2), provided with a stator core (6) and an armature winding (8) arranged in the stator core (6); and a rotor (3), provided with a rotor core (12) and perman...
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WO/2017/037778A1 |
The purpose of the present invention is to provide: a scroll-type fluid machine which is configured so that a part requiring maintenance can be maintained easily; and a maintenance method for the scroll-type fluid machine. The present in...
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WO/2017/038334A1 |
The present invention is provided with a pair of male and female screw rotors 3, and a motor 6 that drives a rotor shaft 21 of one of the screw rotors, wherein: the rotor shaft 21 and a motor shaft 31 are separate components and are coax...
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WO/2017/036253A1 |
An oldham ring (10) for a scroll compressor (1) comprises: a ring-shaped main body (11) comprising a top surface (14), a bottom surface (15), an inner side surface (16) and an outer side surface (17); and a slide engagement portion dispo...
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WO/2017/038653A1 |
The purpose of the present invention is to provide a scroll-type fluid machine for which maintenance can easily be performed in necessary locations, and a maintenance method for said fluid machine. The present invention provides a scroll...
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WO/2017/038673A1 |
Disclosed is an air compression device provided with a compressor that compresses air and generates compressed air, and a cooler that defines an internal space, into which the compressed air flows. The cooler has a first cavity-forming s...
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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/2017/031669A1 |
A rotary compressor (700) and a freezing circulation device (1000) having same. The rotary compressor comprises a reservoir (1), a first reversing component (49), and a compression mechanism. The compression mechanism comprises two cylin...
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WO/2017/034669A1 |
A supercharger that receives and/or generates high pressure boost air and contains gear lubrication includes a housing, a rotor coupled to a rotor shaft rotatably supported in the housing, and a high pressure rotor seal disposed about th...
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WO/2017/033349A1 |
This compressor is provided with a housing (30) formed in a cylindrical shape, a compression mechanism (10) which is placed in the housing, and which has a fixed member (12) and a movable member (11), and a plurality of external connecti...
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