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WO/2009/017355 |
Disclosed are a valve assembly (100) and a compressor having the same. In the valve assembly (100) and the compressor having the same according to the present invention, the sliding valve (130) for controlling the flow direction of the l...
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WO/2009/017157 |
A scroll type fluid machine (1) includes a back pressure adjusting mechanism (72) for adjusting the pressure of a back pressure chamber (70) depending on the pressure difference between a suction chamber (42) and the back pressure chambe...
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WO/2009/014128 |
A scroll compressor with a suction volume adjustment mechanism, in which an inflow of high-pressure fluid introduced into a fluid introduction path for adjusting the volume of suction is further suppressed to minimize a reduction in perf...
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WO/2009/012606 |
In a displacement machine of spiral design, the displacement body (2) has a disc (3) which carries a protruding displacement element (4, 5) on each side. The hub (11) of the disc (3) is mounted by means of a hub bearing (10) on an eccent...
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WO/2009/012606 |
In a displacement machine of spiral design, the displacement body (2) has a disc (3) which carries a protruding displacement element (4, 5) on each side. The hub (11) of the disc (3) is mounted by means of a hub bearing (10) on an eccent...
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WO/2009/011361 |
An electromagnetic three-way valve (V) has a valve seat (3) and an outlet port (2) that are arranged at one end of a valve box (1), a valve seat (5) located at a position separated from the one end, a valve body (10) reciprocably placed ...
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WO/2009/011223 |
Provided is a compressor which can suppress a start current even without using a slide valve having an inherent problem. The compressor includes a bypass channel (16) for communicating an liquid injection port (IP) of a compressor body (...
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WO/2009/005574 |
A heat pump system may include first and second heat exchangers, a compressor, and a fluid conduit. The compressor may include a capacity modulation system providing first, second, and third capacities of the compressor. The second capac...
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WO/2009/003884 |
The invention relates to a compressor for refrigerant, having an outer housing, having a spiral compressor with a first fixed compressor body arranged in the outer housing, and a second compressor body which can be moved relative to the ...
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WO/2009/004360 |
A vacuum pump comprises two stator components and a seal located between the components to provide a fluid-tight seal between the components. The seal comprises an annular plastics tube housing an annular reinforcing member, the tube bei...
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WO/2009/004657 |
The invention relates to a vacuum pump (110, 210), in particular a single-vane vacuum pump for a motor vehicle engine, that advantageously allows to achieve a reduced wear of the end portions (122a, 122b, 222a, 222b) of the vane (120, 22...
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WO/2009/001677 |
A vane type vacuum pump (1) is provided in the vicinity of a suction passage (11) for sucking air into a pump chamber (2), and has an escape groove (21) for communicating the space A on the front side and the space B on the rear side in ...
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WO/2009/001680 |
A rotary compressor has an end plate member (40) and a muffler cover (70) for forming a muffler chamber (70A) together with the end plate member (40). A partition member (71) provided in the muffler chamber (70A) forms a stagnation space...
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WO/2009/001765 |
A single screw compressor in which the gap between a screw rotor and a casing can be easily adjusted. The single screw compressor (1) has the screw rotor (2) and the casing (3) for receiving the screw rotor (2). The screw rotor (2) has h...
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WO/2008/153060 |
Provided is a compressor for avoiding a liquid compression thereby to prevent the breakage of a member, which might otherwise be caused by the repetition of the liquid compression. An escape passage (51) is provided to communicate with a...
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WO/2008/152280 |
The compressor of the invention includes a sealed housing defining a suction volume and a compression volume respectively provided on either side of a body (5) contained in the housing, an oil injection circuit supplied with oil from an ...
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WO/2008/152896 |
A scroll compressor in which a movable scroll is supported from the rear side by thrust plates without inclination of the plates. The scroll compressor includes a compression unit having the movable scroll and a stationary scroll that ea...
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WO/2008/152280 |
The compressor of the invention includes a sealed housing defining a suction volume and a compression volume respectively provided on either side of a body (5) contained in the housing, an oil injection circuit supplied with oil from an ...
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WO/2008/152713 |
A Roots pump has a simple structure enabling highly precise adjustment of a clearance between a rotor and a pump chamber. A casing (2) of the Roots pump (1) has a first casing (3) and a second casing (4) that are split along the directio...
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WO/2008/152055 |
The orbiting-spiral scroll pump or compressorisprovided with two fixed stages (1, 1') and an internal or middle stage (3) moving with an orbiting movement.These stages areprovided withassociated systems having spirals for example in the ...
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WO/2008/153061 |
Provided is a compressor capable of utilizing an economizer effect to the maximum independently of the rotating speed of a screw rotor. As the rotating speed of the screw rotor (10) becomes the higher, the timing of an economizer port (E...
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WO/2008/152055 |
The orbiting-spiral scroll pump or compressorisprovided with two fixed stages (1, 1') and an internal or middle stage (3) moving with an orbiting movement.These stages areprovided withassociated systems having spirals for example in the ...
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WO/2008/149672 |
A scroll type fluid machine (1) has a root section (58) and a chamfered section (68). The root section (58) has a tapered surface (60) tilting from a tapered end (60a) located on a side face (44a) of a wrap (44) toward an end plate surfa...
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WO/2008/149491 |
The inner space of a casing (31) is partitioned by partition members (61, 80) into a first space (38) and a second space (39). In the first space (38) is placed an expansion mechanism (60), and in the second space (39) are placed a compr...
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WO/2008/146634 |
[PROBLEMS] To provide a hybrid compressor having a delivery chamber of sufficient volume formed between the fixed scroll of a first compression mechanism and the fixed scroll of a second compression mechanism. [MEANS FOR SOLVING PROBLEMS...
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WO/2008/145888 |
Method of assembling a compressor comprising a sealed chamber delimited laterally by a shell (3), a drive shaft (8) housed in the shell and guided relative to the other parts of the compressor via at least one bearing (9) provided in a b...
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WO/2008/145888 |
Method of assembling a compressor comprising a sealed chamber delimited laterally by a shell (3), a drive shaft (8) housed in the shell and guided relative to the other parts of the compressor via at least one bearing (9) provided in a b...
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WO/2008/142533 |
A rotary blower rotor (39) includes a rotor body having a corrosion-resistant coating (63) covering the rotor body. An abradable coating (61) covers at least a portion of the corrosion-resistant coating for providing an essentially zero ...
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WO/2008/142825 |
A compression mechanism (20) is provided with first relief ports (31a, 31b) open to only a first compression chamber (24a), second relief ports (32a, 32b) open to only a second compression chamber (24b), and a third relief port (33) open...
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WO/2008/142927 |
An oil supply groove (51) is provided in the seal surface (11) of a casing (1). The oil in the oil supply groove (51) prevents a gas in a compression chamber formed by the mutual engagement of a screw rotor (2) and a gate rotor (3) from ...
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WO/2008/144037 |
A system and method for modulating capacity of a scroll compressor having a motor includes determining a target capacity of the scroll compressor, operating the motor at a first speed when the target capacity is within a first predetermi...
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WO/2008/142994 |
A screw compressor in which a casing is prevented from being brought into contact with a gate rotor while gas is prevented from leaking through the clearance between the casing and the gate rotor. With respect to the width of the seal su...
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WO/2008/142533 |
A rotary blower rotor (39) includes a rotor body having a corrosion-resistant coating (63) covering the rotor body. An abradable coating (61) covers at least a portion of the corrosion-resistant coating for providing an essentially zero ...
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WO/2008/142822 |
An expander-integrated compressor (30) has a sealed container (1), in the lower part of which oil (40) is contained, an electric motor (2) placed in the sealed container (1), a compression mechanism (3) placed under the electric motor (2...
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WO/2008/139667 |
A fluid machine (10) comprises a sealed container (11) at the bottom of which an oil reservoir (16) for storing oil is formed. In the sealed container (11), a main compression mechanism (3) to which the oil stored in the oil reservoir (1...
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WO/2008/139680 |
A fluid machine (10) has a sealed container (11) having an oil sump (16) formed at its bottom, a main compression mechanism (3) to which oil contained in an upper layer section (16a) of the oil sump (16) is supplied, a rotary motor (8), ...
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WO/2008/140071 |
A single screw compressor in which an axial load acting on the screw rotor can be reduced. The single screw compressor (1) comprises a screw rotor (2) and a casing (3). The screw rotor (2) has a plurality of spiral grooves (6) in the out...
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WO/2008/138226 |
A screw energy converter has a stator (300) and a rotor. Said stator (300) includes a housing (303) and a elastic stator core (308) made of soft and elastic material. The outer wall of the stator core (308) has a shape of cylinder that m...
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WO/2008/137244 |
A welding system is provided that includes an engine, a compressor coupled to the engine, and a regulator coupled to the compressor and located on a control panel. Another welding system is provided that includes an engine, a compressor ...
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WO/2008/137244 |
A welding system is provided that includes an engine, a compressor coupled to the engine, and a regulator coupled to the compressor and located on a control panel. Another welding system is provided that includes an engine, a compressor ...
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WO/2008/137250 |
A system, in one embodiment, may include a chassis, an engine coupled to the chassis, a generator coupled to the engine, and a rotary screw compressor coupled to the chassis independent from the engine. The engine may be configured to dr...
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WO/2008/136497 |
A scroll compressor in which measurement of the temperature of refrigerant flowing in a path is facilitated. The scroll compressor (1) has a housing (11), a compression mechanism (15), and a pipe (71). A space (45) functioning as the pat...
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WO/2008/129317 |
A pair of Northey rotors for a vacuum pump, in which each rotor comprises two opposing, substantially parallel faces, and a peripheral surface located between the opposing faces. In order to reduce damage caused by pumping a gas stream c...
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WO/2008/125155 |
The invention relates to a vacuum pump comprising a crucible-shaped housing, a rotor mounted eccentrically rotatably in the housing, a blade (20) supported displaceably perpendicular to the rotational axis in the rotor, the blade having ...
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WO/2008/124950 |
A bearing (12) is disposed between the hub (13) of the disc (3) of the displacement body (2) and an eccentric disc (9) connected to a drive shaft (6). A lubricant supply system (24) is provided for lubricating the bearing (12), conveying...
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WO/2008/124174 |
The present invention is a variable displacement pump having an inner rotor rotatable about a first axis and having at least two slots. The pump also has at least two vanes, each located in a distinct one of the at least two slots. The p...
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WO/2008/123947 |
Scrolls made from injection molding processes are disclosed. The scroll components have a tip seal groove defined within an involute portion of the scroll. Bearing and tip seal engaging plates are integrally molded within base members of...
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WO/2008/120621 |
To reduce wear and deformation of a scroll member. A method of producing a movable scroll has a process (a) and a process (b). In the process (a), cast iron is used to obtain a cast iron product (261). In the process (b), the cast iron p...
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WO/2008/120791 |
In a scroll compressor, a compression mechanism comprised of a fixed spiral body and a movable spiral body is contained in a semi-sealed container and the bottom plate of the fixed spiral body is held and fixed to a rear housing constitu...
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WO/2008/120651 |
The wear and deformation of scroll member are minimized. The process for manufacturing a movable scroll as a scroll member comprises the step (a) and step (b). In the step (a), cast iron is formed into a cast iron product. For example, f...
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