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WO/2012/122321 |
A moving or progressive cavity motor or pump is disclosed, the motor including a rotor and a stator, the stator having one or more inserts or gearing sections to limit a lateral movement of the rotor relative to the stator. In some embod...
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WO/2012/117600 |
[Problem] To provide a scroll compressor that allows the rotary movement of a swing scroll to be kept stable over a long period of time while the start-up load is minimized. [Solution] A scroll compressor configured having a fixed scroll...
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WO/2012/117599 |
[Problem] To provide a two-stage compression rotary compressor that can provide an inexpensive, highly efficient compression function, and that can also reduce installation space. [Solution] A multistage-compression rotary compressor is ...
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WO/2012/117598 |
[Problem] To provide a rotary compressor wherein a reduction in operation efficiency due to a vane jump can be suppressed. [Solution] A compressor is provided with, within a closed container, a drive element, and a rotary compression ele...
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WO/2012/114455 |
In a scroll compressor, a compression chamber (11) is formed by meshing together a fixed scroll (5) and an orbiting scroll (6). A discharge slot (5e) is formed in the middle section of the fixed scroll, and in the external periphery of t...
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WO/2012/111561 |
The purpose of the present invention is to prevent the damage of a rotor and a side plate employing a simple constitution to thereby prevent the deterioration in durability of a vacuum pump. The following steps are involved: a step of pl...
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WO/2012/111863 |
The present invention relates to an apparatus for fixing a dust seal of a scroll compressor including a fixed scroll disposed at the upper portion thereof and an orbiting scroll coupled to the lower portion of the fixed scroll so as to o...
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WO/2012/109302 |
A compressor system includes a lubricant reservoir, a screw compressor, and a valve. The screw compressor includes a housing defining a compression chamber having a suction port, a discharge port, a first lubricant feed port located betw...
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WO/2012/109302 |
A compressor system includes a lubricant reservoir, a screw compressor, and a valve. The screw compressor includes a housing defining a compression chamber having a suction port, a discharge port, a first lubricant feed port located betw...
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WO/2012/104934 |
A scroll expander (1) has a liquid injection port (93) provided at a stationary scroll (61) which is a second stationary scroll, the liquid injection port (93) being capable of injecting a liquid refrigerant, which is supplied from the o...
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WO/2012/101696 |
This scroll compressor is characterized in that: a compression mechanism (4)is reduced in size by reducing the size of an Oldham ring (57) and an orbiting scroll (12); a pair of scroll-side keys (57b) is disposed in a position such that ...
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WO/2012/096445 |
A scroll compressor with a split type orbiting scroll includes a case, a fixed scroll installed in the case, a wrap portion configured to form a compression chamber by being engaged with the fixed scroll, a base portion coupled to the wr...
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WO/2012/096067 |
An orbiting scroll (10) is affixed to a turntable (22) and rotated about the center (C) of the spiral constituting said orbiting scroll (10). A spray nozzle (42) is positioned at the center (C) or outside end of the orbiting scroll (10),...
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WO/2012/096444 |
A scroll compressor with a split type fixed scroll includes a case, a fixed wrap supporter installed in the case, a fixed wrap coupled to the fixed wrap supporter such that a rotation in a circumferential direction is restricted, an orbi...
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WO/2012/096068 |
A coating solution is sprayed from a spray nozzle (52) onto a lateral wrap surface (24a) of an orbiting scroll (20), said coating solution containing, by weight, 10-20% of a thermosetting epoxy resin, 20-30% MoS2, and 5-10% graphite, wit...
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WO/2012/096056 |
A scroll fluid machine having a rotating scroll for which rotating laps are arranged vertically on a panel that is supported in a rotatable manner on a drive shaft, and a stationary scroll which is provided opposing the rotating scroll a...
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WO/2012/092739 |
A screw compressor having a slide valve with flexible volume ratio is provided. The screw compressor comprises a housing (1), a screw (2), a gas suction port, a gas exhaust port (6), the slide valve (3), a first cylinder (4) and a second...
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WO/2012/091386 |
A compressor is provided having an accumulator that forms an accumulating chamber in an internal space of a shell of the compressor, reducing a size of the compressor and simplifying an assembly process. A stationary shaft having a refri...
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WO/2012/091388 |
A compressor is provided having an accumulator that forms an accumulating chamber in an internal space of a shell of the compressor, reducing a size of the compressor and simplifying an assembly process. A stationary shaft having a refri...
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WO/2012/090760 |
Separation of resin layers formed on the end face or the like of a piston in a compressor is prevented while the reduction in compressor efficiency is minimized. The compressor includes: a cylinder having a compression chamber, and a bla...
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WO/2012/091416 |
A hermetic compressor is provided, comprising: a cylindrical shell; a stator fixed to inner surface of the shell; a rotor rotatably installed with respect to the stator; a compression unit combined with the rotor to be rotated together w...
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WO/2012/091389 |
A compressor is provided that includes an accumulator formed in an internal space of a shell to reduce a size of the compressor. An accumulator space may be formed using the shell of the compressor, thereby simplifying an assembly proces...
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WO/2012/088387 |
A thrust plate for a compressor may include first and second ends and a feed hole. The first end may include a thrust surface. The second end may include a lubricant accumulation feature. The feed hole may extend between the lubricant ac...
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WO/2012/086245 |
[Problem] To provide a hermetically sealed rotary compressor configured so that the joint between a cup and a bearing can be sealed without the use of a ring, etc. [Solution] An upper bearing (16A) has a stepped section (41), and the cor...
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WO/2012/085833 |
A nebulizer (10) includes a housing (12) having an inlet (18), a compressor (28), a reservoir (58) and a nozzle assembly (56) disposed therein. The compressor includes a number of rotor members (30), each rotor member being rotatable abo...
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WO/2012/086518 |
The purpose of the present invention is to improve the abrasion resistance of a compressor for refrigeration and air-conditioning which utilizes difluoromethane (HFC32) as a cooling medium to thereby improve the long-term reliability of ...
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WO/2012/088387 |
A thrust plate for a compressor may include first and second ends and a feed hole. The first end may include a thrust surface. The second end may include a lubricant accumulation feature. The feed hole may extend between the lubricant ac...
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WO/2012/086637 |
In this multi-cylinder rotary compressor (M), a compression mechanism unit (3) is provided with a first cylinder (6A) and a second cylinder (6B) with an intermediate partition plate (2) interposed therebetween. A cylinder chamber (Sa, Sb...
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WO/2012/086779 |
In a multi-cylinder rotary compressor (M), a compression mechanism (3) interconnects a back-pressure introduction pathway (H) to a blade back chamber (11b) that movably houses the back end of a second blade (12b). A check valve mechanism...
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WO/2012/086577 |
The purpose of the present invention is to reduce frictional loss on the surface of a resin layer by sliding in a compressor when the surface contacts with an opposed member and slides. A compressor has a resin layer that is formed on th...
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WO/2012/080612 |
The invention relates to a compressor including: a stationary volute (6) and a moving volute (9) each comprising a plate (7, 11) provided with a scroll (8, 12), said scrolls defining variable-volume compression chambers (13); a separator...
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WO/2012/080034 |
The invention relates to a vacuum pump, in particular a screw pump, preferably having two displacement body shafts (2, 3) driving compressor bodies (12, 13), having an inner recess (14) extending in the direction of a geometric axis (A) ...
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WO/2012/080609 |
The invention relates to a compressor including: a stationary volute (6) and a moving volute (9) each comprising a plate (7, 11) provided with a scroll (8, 12), said scrolls defining variable-volume compression chambers (13); a separator...
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WO/2012/080613 |
The invention relates to a compressor, including: a stationary fan scroll (6) and a movable fan scroll (9), each of which comprises a plate (9, 11) provided with a coil (8, 12), the coils defining compression chambers (13), the volumes o...
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WO/2012/080034 |
The invention relates to a vacuum pump, in particular a screw pump, preferably having two displacement body shafts (2, 3) driving compressor bodies (12, 13), having an inner recess (14) extending in the direction of a geometric axis (A) ...
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WO/2012/080610 |
The invention relates to a scroll refrigeration compressor including: a sealed casing; stationary (7) and moving (10) volutes comprising scrolls inserted into one another and defining variable-volume compression chambers (13); a delivery...
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WO/2012/076204 |
The invention relates to a vacuum pump for applications in vacuum packaging machines, comprising: a cylinder (11) consisting of the envelope of two parallel, transversely intersected cylindrical chambers, the axes of said chambers lying ...
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WO/2012/073165 |
A rotary vacuum pump comprises a rotor (3) arranged to eccentrically rotate in the cavity of a pump body (2) and comprising at least one vane (11), received in a respective slot (10) and arranged to radially slide in a first or a second ...
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WO/2012/073165 |
A rotary vacuum pump comprises a rotor (3) arranged to eccentrically rotate in the cavity of a pump body (2) and comprising at least one vane (11), received in a respective slot (10) and arranged to radially slide in a first or a second ...
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WO/2012/069347 |
This microsystem for converting a pressure difference in a fluid into a mechanical displacement comprises at least one reinforcement (70-73) on one side, fixed to at least one plane and, on the other side, fixed or resting slidingly with...
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WO/2012/066781 |
Provided is a connection structure for a vacuum exhaust device which is a connection structure for a plurality of vacuum exhaust devices. The plurality of vacuum exhaust devices each has: a casing that forms at least one pump chamber; an...
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WO/2012/063471 |
A scroll compressor (10) of the present invention comprises a fluid path (4) which provides communication between: a high-pressure cavity (54) capable of communicating with a discharge port (32); and a back-pressure cavity (56) capable o...
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WO/2012/060062 |
A scroll compressor is provided with: a pressing mechanism (42) that applies a pressing force to the rear surface of a panel section (71) of a movable scroll (70) toward a stationary scroll (60) side; a repelling mechanism (80) that appl...
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WO/2012/058455 |
A compressor may include a shell, first and second scroll members, and a seal assembly. The shell defines a first and second pressure regions. The first scroll member may include a first end plate defining a chamber. The seal assembly ma...
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WO/2012/055734 |
The invention relates to a vacuum pump (1), in particular a screw pump, comprising two displacement body shafts (2, 3) which are drivingly coupled and drive displacement bodies (13, 14), and a motor having a motor rotor (19), a motor sha...
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WO/2012/056295 |
The invention concerns a single-vane pump (110) comprising a stator (12) in which a chamber (14) is defined and a rotor (116) that is rotatable around a rotation axis (0-0). The rotor (116) comprises a cylindrical central portion (116a) ...
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WO/2012/056728 |
A screw compressor (10) is provided with an economizer circuit (70) for jetting an intermediate pressure refrigerant into a compression chamber (23) under the compression. The economizer circuit (70) comprises a branch passage (71) by wh...
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WO/2012/055734 |
The invention relates to a vacuum pump (1), in particular a screw pump, comprising two displacement body shafts (2, 3) which are drivingly coupled and drive displacement bodies (13, 14), and a motor having a motor rotor (19), a motor sha...
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WO/2012/051710 |
Rotary displacement machines are known for their uses as compressors, expansion engines and the like. Many comprise two or more rotors mounted for simultaneous rotation within a casing, with intermeshing or interengagement of lobes and p...
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WO/2012/045554 |
The invention relates to a vane cell pump 1 for a motor vehicle, having a flange 15 and a pump housing 7, 13, wherein the pump housing 7, 13 is fastened to the flange 15, and wherein the flange 15 provides a connecting channel 18 between...
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