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Patent Searching and Data


Matches 1 - 50 out of 36,025

Document Document Title
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/2018/189043A1
A screw-type compressor arrangement comprises a screw-type compressor having a screw-type compressor housing (1) which in turn has at least one air inlet (6) and at least one air outlet (8). Furthermore, the screw-type compressor has a r...  
WO/2018/188768A1
The present invention relates to a compressor system (100, 200; 100', 200') of a vehicle, in particular of a utility vehicle, having at least one compressor (10, 10') which has at least one oil sump (22a, 22a') and at least one temperatu...  
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/2018/186203A1
This scroll compressor comprises a partition plate (20) that divides the interior of an airtight container (10) into a high-pressure space and a low-pressure space, and a refrigerant intake tube (13) provided to the airtight container (1...  
WO/2018/184853A1
The invention relates to a pumping unit (1) comprising:a rough-vacuum pump (2) of the multi-stage dry pump type comprising at least four pumping stages (T1, T2, T3, T4, T5)mounted in series, characterized in that the pumping unit (1) com...  
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/2018/179701A1
Provided is a gas compressor configured so as to prevent or suppress excessive compression and to prevent a vane from becoming unfollowable. In this compressor (100), the shape of the cross-sectional contour of the inner peripheral surfa...  
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/2018/179135A1
The scroll compressor is provided with: a stationary scroll which, along with an orbiting scroll, forms a compression chamber; and a shell in which the orbiting scroll and the stationary scroll are housed. The stationary scroll has a bed...  
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/2018/174100A1
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...  
WO/2018/173543A1
Provided is a scroll compressor configured so that the malfunction of a back-pressure control valve due to contamination can be prevented. This scroll compressor comprises: a scroll unit having a stationary scroll and an orbiting scroll;...  
WO/2018/173362A1
Provided is a screw type fluid machine configured to prevent oil from mixing with the main stream of gas sucked in from an intake opening, thereby reducing suction gas heating and increasing energy efficiency and performance. The interme...  
WO/2018/169133A1
The present invention relates to a pump system used for vacuumizing the inside of a chamber in a semiconductor manufacturing process, discharging gas and the like generated in the chamber, and maintaining the inside of the chamber at an ...  
WO/2018/169072A1
Provided is a rotary compressor which includes first and second cylinders arranged in the axial direction of a driving shaft, and in which a suction path for supplying a refrigerant, supplied through a suction pipe from an external appar...  
WO/2018/168344A1
Provided is a rotary compressor in which sufficient oil can be supplied to a vane 33 and a low-pressure-chamber-side surface of a vane groove 1 while surface pressure in the vane 33 and the vane groove 1 are minimized, by providing an oi...  
WO/2018/162083A1
The invention relates to an electric machine (30) of a motor vehicle (2), in particular a refrigerant compressor (12), comprising a electronic unit compartment (50) and a printed circuit board (56) arranged inside the electronic unit com...  
WO/2018/163233A1
The scroll compressor is provided with a fixed scroll, an orbiting scroll, an Oldham ring, a frame, and a shell. The fixed scroll has one pair of first Oldham grooves, the orbiting scroll has one pair of second Oldham grooves, the Oldham...  
WO/2018/164393A1
A mutual rotating scroll compressor is provide. The mutual rotating scroll compressor includes: a first frame fixed to a casing; a second frame provided with an interval between the first frame and the second frame, a compression space b...  
WO/2018/162925A1
A rotating machine and rotor are disclosed. The rotating machine comprises: a stator; a rotor rotatable about an axis of rotation within the stator; at least one fixed supporting member comprising a shaft passing through the rotor and su...  
WO/2018/163434A1
The rotary compressor according to an embodiment is provided with a rotating shaft, an electric motor unit, a compressor mechanism, and a closed container housing the rotation shaft, the electric motor unit, and the compressor mechanism....  
WO/2018/161108A1
Various designs for hydraulic devices are disclosed including hydraulic devices that can include a rotor, vanes and a ring. The rotor can be disposed for rotation about an axis. The plurality of vanes can each include a vane step. 5 Each...  
WO/2018/162713A1
The invention relates to a spiral-type positive displacement device, in particular a scroll compressor (10), with a high-pressure region (47) which comprises a high-pressure chamber (40), a low-pressure chamber (30), and an orbiting disp...  
WO/2018/164543A1
The present invention relates to a pump including a rotating cylinder and employing the principle of a vane type pump among rotary pumps, characterized in that vane abrasion is minimized, which contributes to a significant improvement in...  
WO/2018/159143A1
The present invention promotes the miniaturization of a scroll type fluid machine. This scroll type fluid machine is provided with: a driving shaft 410 driven to rotate; a crank pin 420 eccentrically fixed to one end surface in an axial ...  
WO/2018/155645A1
A scroll fluid machine is provided with: an electric motor that has a stator, a rotor coupled to a rotary shaft, and a first bearing and a second bearing for rotatably supporting the rotary shaft around the axially intermediate point of ...  
WO/2018/154716A1
Provided are a rotary compressor provided with a vane that reciprocates smoothly and a manufacturing method for the rotary compressor. The rotary compressor is provided with a vane mounting groove formed on a cylinder and a vane that rec...  
WO/2018/150706A1
Provided is a compressor with which the operating conditions can be controlled during operation of the compressor and suitable compressor performance in response to the operating conditions can be exhibited, with no prior restrictions on...  
WO/2018/151512A1
The present invention relates to a scroll compressor which may comprise: a first bearing for rotatably supporting a rotation shaft on a casing on one side of a motor; a second bearing for rotatably supporting the rotation shaft on the ca...  
WO/2018/151319A1
Provided is a screw compressor, wherein, of a first bearing (61) and a second bearing (66) that support a drive shaft (21) of the screw compressor, the first bearing (61) on the screw rotor (40) side in an axial direction is disposed in ...  
WO/2018/149598A1
The invention relates to a multi-stage rotary lobe pump having a plurality of pump chambers (14) in a pump housing (16, 18). Said pump chambers form respective pump stages (26, 28, 30, 32, 34), each pump stage having two bidentate rotary...  
WO/2018/151428A1
The present invention relates to a rotary compressor comprising: a driving motor; a rotation shaft; a main bearing and a sub-bearing, which are fixed to the case and installed along the rotation shaft; a cylinder; a roller; and at least ...  
WO/2018/150540A1
This scroll compressor is provided with a closed container, a stationary scroll, an orbiting scroll, and an electric motor. A stationary base plate has formed therein: an inflow hole in which an injection refrigerant flows from the outsi...  
WO/2018/150494A1
This compressor comprises an airtight container and a compression mechanism that is accommodated in the airtight container and that compresses a refrigerant flowing into the airtight container, the compression mechanism being provided wi...  
WO/2018/149192A1
A multifunctional rotary mechanical structure having oscillating blades and outputting multiple pressures comprises a oscillating blade retaining slot ring (2), a group of oscillating blades (3), and a serrated slot disc (4). The oscilla...  
WO/2018/150525A1
This scroll compressor is provided with: a compression mechanism part (3) in which a compression chamber (34) is formed by combining a pair of scrolls each including a base plate and a spiral body formed so as to protrude from the base p...  
WO/2018/151538A1
An electric compressor is disclosed. An electric compressor according to an embodiment of the present invention comprises: a rear housing (100) in which a discharge chamber (110) for discharging a refrigerant is formed; and an oil separa...  
WO/2018/151061A1
[Problem] The present invention addresses the problem of providing a compressor whereby the quantity of an oil circulating in a refrigeration cycle is reduced by improving a function of separating the oil from a medium in the compressor....  
WO/2018/151014A1
This two-way-rotating scroll compressor comprises: a drive-side scroll member rotatably driven by a drive unit and having a spiraling drive-side wall body disposed on a drive-side end plate; and a driven-side scroll member (90) disposed ...  
WO/2018/151015A1
A two-way-rotating scroll compressor (1) comprising: a drive-side scroll member (7) having a flange part (73) that secures drive-side scroll parts (71, 72); a driven-side scroll member (9) having a driven-side end plate (91) positioned b...  
WO/2018/150977A1
This two-way-rotating scroll compressor comprises: a drive-side scroll member (70) rotatably driven by a drive unit and having a spiraling drive-side wall body (71b) disposed on a drive-side end plate (71a); and a driven-side scroll memb...  

Matches 1 - 50 out of 36,025