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Matches 1 - 50 out of 29,550

Document Document Title
WO/2018/224409A1
The invention relates to a dry-compressing vacuum pump, in particular a screw pump, a multi-stage Roots pump, a Roots pump, or a claw pump, having rotor elements (14) arranged in a suction chamber (12). The two rotor elements are each bo...  
WO/2018/223667A1
Disclosed is a multi-stage compressor, comprising a gas supplement structure, a low-pressure stage chamber and a high-pressure stage chamber. The gas supplement structure comprises a gas supplement inlet (1) and a perforating member (2),...  
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...  
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...  
WO/2018/223665A1
A housing structure, comprising: a housing (110), wherein the bottom of the housing (110) is provided with a plurality of legs (111); a support component (120), disposed in the housing (110) and capable of supporting a motor and a rotor ...  
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...  
WO/2018/224734A1
The object of the invention is an inlet valve for a compressor pressing gaseous medium, a compressor and a method for controlling the inlet valve. The inlet valve comprises: a casing (1 ); an inlet channel (9) for bringing gaseous medium...  
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...  
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...  
WO/2018/219135A1
Provided is a control method for reducing compressor preheating noise; when a compressor is preheating, the U, V, and W windings of the compressor are electrified in a time sharing manner; two-phase windings are controlled within each pe...  
WO/2018/221282A1
The purpose of the present invention is to mitigate or prevent a decrease in the mass flow rate of a fluid being discharged. A compressor 100 is provided with the following: a housing 10 that extends in one direction; an internal housing...  
WO/2018/220943A1
A vacuum pump according to one embodiment of the present invention comprises a pump body and a muffler. The pump body has a housing having an intake port and an exhaust port, and a rotor that is rotatably disposed inside the housing and ...  
WO/2018/221280A1
Provided is an inverter-integrated electric compressor with which, even when the compressor has been reduced in size, an inverter-accommodating part and an inverter cover can be brought into direct contact to ensure an electrical connect...  
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...  
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...  
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...  
WO/2018/203152A1
Transmission between drive shaft (13) and a driven shaft (9), which transmission (4) comprises a housing (10) and at least a driven gearwheel (11) that is mounted on the driven shaft (9) and a drive gearwheel (14) that is mounted on a dr...  
WO/2018/203151A1
Transmission between drive shaft (13) and a driven shaft (9), which transmission (4) comprises a housing (10) and at least a driven gearwheel (11) that is mounted on the driven shaft (9) and a drive gearwheel (14) that is mounted on a dr...  
WO/2018/201827A1
A rolling piston rotary compressor, comprising a housing (1), a compressing assembly, and a support assembly; the compressing assembly comprises a crankshaft (3), a cylinder (2), and a piston (5), the crankshaft (3) being internally prov...  
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...  
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...  
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 ...  
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...  
WO/2018/198367A1
According to the present invention, a lower portion of an inner peripheral wall 22 formed in a pump housing 15 is closed by a bottom wall 24, and a track-like accommodating space 30 that opens upward is defined. An opening of the accommo...  
WO/2018/196487A1
Provided is a compressor, comprising: a housing (3), which is provided with an accommodation space; a compression mechanism, which comprises a static scroll plate (2) comprising a low-pressure side (202) provided with scroll teeth (201) ...  
WO/2018/196489A1
Provided is a scroll compressor for a vehicle, the scroll compressor comprising: a housing (3) provided with a first opening so as to form an accommodation space; a compression mechanism; an electric motor mechanism comprising an electri...  
WO/2018/197967A1
The present invention is directed to a device for separating liquid from a gas stream within a liquid injected compressor, said device comprisinq a first vessel comprising a first bottom plate, a first lateral wall comprising an inlet fl...  
WO/2018/196427A1
Disclosed are a screw compressor, and an air conditioning device and a refrigerating device comprising the screw compressor, wherein the screw compressor comprises a compressor body (10); a supplementary air channel is arranged on the co...  
WO/2018/198459A1
The purpose of the present invention is to efficiently use exhaust heat without affecting the operating efficiency of a compressor. Provided is a compressor system comprising the following: a compressor including a compressor body, a dri...  
WO/2018/196488A1
Provided is a compressor, comprising: a housing (3); a compression mechanism comprising a static scroll plate (2), and a movable scroll plate (15); an electric motor mechanism; an eccentric crankshaft (19) connected to the electric motor...  
WO/2018/199061A1
Provided is an internal medium pressure two-stage compression compressor which includes, as a compressing mechanism portion 30, a first compressing mechanism portion 30A which performs low-stage compression as a first stage, and a second...  
WO/2018/194294A1
The present invention relates to a compressor comprising: a driving motor; a rotary shaft; a main bearing and a sub bearing fixed to a case, and provided along the rotary shaft; a cylinder fixedly provided between the main bearing and th...  
WO/2018/193292A1
Oil circuit for lubricating and cooling a machine (1) with variable speed, whereby this oil circuit (5) is provided with an oil reservoir (10) with oil (11) and an oil pump (13) to be able to drive oil (11} from the oil reservoir (10) to...  
WO/2018/193325A1
Oil circuit for lubrication and cooling of an oil-free compressor (1) comprising a motor (4) with a variable speed and a compressor element (2) driven by said motor (4), - whereby this oil circuit (5) is provided with an oil reservoir (1...  
WO/2018/190544A1
A scroll compressor includes: a frame configured to support a second scroll by being coupled to a first scroll; a sealing member insertion groove formed in a ring shape, on at least one of one side surface of the second scroll and one si...  
WO/2018/189041A1
A screw-type compressor arrangement has a screw-type compressor with a rotor arrangement (11) for compressing air. The rotor arrangement (11) comprises a first rotor (12) which is arranged on a first rotor shaft (14), and a second rotor ...  
WO/2018/190520A1
Provided is a scroll compressor including: a casing: a drive motor which is held in place within the casing and has an internal flow passage and an external flow passage to pass through; a rotation shaft which is combined with the drive ...  
WO/2018/189827A1
This enclosed compressor is provided with a cylindrical cylinder forming a compression chamber that compresses refrigerant through the rotation of a crankshaft, and a bearing that is disposed in an axial-direction end surface of the cyli...  
WO/2018/186044A1
To prevent a refrigerant in a compression chamber from flowing back through an injection flow path to a refrigeration cycle. The present invention is provided with injection piping 116 for supplying an injection refrigerant to a rotary c...  
WO/2018/186357A1
Provided are a closed-type compressor and a refrigeration cycle device equipped with the same, the closed-type compressor being capable of ensuring a sufficient flow passage area of a discharge flow passage for discharging a gas refriger...  
WO/2018/185730A1
An epitrochoidal vacuum pump includes a housing having a chamber, a rotor rotatably received within the internal space of the chamber, and a drive shaft configured to rotate the rotor eccentrically about an axis within the chamber in an ...  
WO/2018/185914A1
A screw compressor that minimizes re-scattering of refrigerator oil from an oil accumulation part due to a swirl flow, and that achieves high oil separation efficiency. This screw compressor comprises: an oil-separating part configured f...  
WO/2018/181977A1
This scroll fluid machine is provided with: a compressor body having a first scroll and a second scroll which form a compression chamber; a cover which forms an air guiding space by covering at least a portion of the compressor body; and...  
WO/2018/179789A1
The purpose of the present invention is to reliably prevent generation of drain without depending on a difference in ambient temperature at which a compressor is installed. This gas compressor is provided with: a compressor body compress...  
WO/2018/179356A1
In an inner peripheral section of a bearing (40) rotatably supporting a crankshaft (4), an oil groove (42) is formed outside a region where oil film reaction force of a refrigerator oil is generated against a gas load applied to the bear...  
WO/2018/177249A1
A vacuuming device, comprising a main body (110), a shaft (130), a vacuum-pump rotor (146), an electric-motor stator (160) and an electric-motor rotor (170). An air inlet (114), an air outlet (116), an oil reservoir chamber (120) and an ...  
WO/2018/174449A1
A hermetic compressor includes a casing, a cylinder fixedly coupled to an internal space of the casing and having an inner circumferential surface forming a compression space, a first bearing and a second bearing provided on upper and lo...  
WO/2018/171551A1
Disclosed are a slide valve for a compressor and a screw compressor having same. The slide valve for a compressor comprises a slide valve main body (10), wherein a gas replenishing chamber (11) is provided in the slide valve main body (1...  
WO/2018/171345A1
Disclosed are a rotor assembly and a compressor having the rotor assembly, wherein the rotor assembly comprises: a rotor (100), the rotor (100) comprising a main body (120) and a mounting column (110), the mounting column (11) extending ...  
WO/2018/174100A1
A single-screw compressor (1) comprises a screw rotor (40), a cylindrical wall (20), and a gate rotor (50), a fluid being compressed in a compression chamber (37) sectioned within a spiral groove of the screw rotor (40), wherein a gap ad...  

Matches 1 - 50 out of 29,550