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Patent Searching and Data


Matches 51 - 100 out of 37,959

Document Document Title
WO/2020/250743A1
This sliding material comprises a resin material that serves as a base material and particles that are dispersed in the resin material; and the particles are in the form of dendrite.  
WO/2020/245932A1
This screw compressor includes a casing, a screw rotor, a gate rotor, and a slide valve, and is provided with a low pressure flow passage allowing low-pressure refrigerant prior to intake into the screw rotor to flow, a high pressure flo...  
WO/2020/242038A1
The present invention relates to a scroll compressor for compressing a gaseous fluid, in particular a refrigerant. The scroll compressor exhibits a non-moving stator with at least one outlet and a moving orbiter, each with a base plate a...  
WO/2020/238110A1
A scroll compressor (100), comprising a fixed scroll (12), a movable scroll (13), a main bearing seat (15), and an axial flexible mounting mechanism (18). The fixed scroll (12) is engaged with the movable scroll (13) to compress a workin...  
WO/2020/240922A1
This scroll compressor comprises a scroll-type compression element (10) having a movable scroll (11), a drive shaft (15) that causes the movable scroll (11) to revolve, a boss portion (11b) that is provided to the back-surface side of th...  
WO/2020/240678A1
This screw compressor is provided with: a casing forming an exterior; a rotationally driven screw shaft; a screw rotor fixed to the screw shaft; a gate rotor forming, in conjunction with the casing and the screw rotor, a compression cham...  
WO/2020/241101A1
A scroll compressor (1) is provided with: a first space (71) and a second space (72); a third space (63) provided between the first space (71) and the second space (72); a partition member (64) disposed in the third space (63) and partit...  
WO/2020/238825A1
Disclosed is a scroll compressor, comprising: an orbiting scroll (50A, 50C) having an orbiting scroll end plate (54A) and an orbiting volute (56C) formed on one side of the orbiting scroll end plate, and a fixed scroll (40A, 40B, 40C) ha...  
WO/2020/240966A1
A vane pump (2) comprises: a pump casing (10) that includes a pump chamber (5); a rotor (38) that is disposed in the pump chamber and includes a plurality of slits (36) in an outer circumferential surface (32); and a plurality of vanes (...  
WO/2020/235891A1
The present invention relates to an air compressor, and the air compressor according to one embodiment of the present invention may comprise: a compressor body having a cylindrical shape, and having a suction port and a discharge port fo...  
WO/2020/235271A1
A housing (21) includes: a bearing part (22); a body part (23) which extends radially outward and which is continuous to the bearing part (22); a pressure-contact part (24) which pressure-contacts a casing (10) radially outside the body ...  
WO/2020/236852A1
Disclosed is a direct-drive refrigerant screw compressor, having: a housing; a compression chamber in the housing; a pair of rotors, each rotor of the pair of rotors being rotationally disposed in the compression chamber and including an...  
WO/2020/235272A1
A compressor (1) is provided with: a cylindrical casing (10); and a compression mechanism (20) which is housed in the casing (10). The compression mechanism (20) has a housing (21) including a pressure-contact part (22) which pressure-co...  
WO/2020/234988A1
A scroll compressor that comprises a shell, a fixed scroll, an orbiting scroll, and a frame. The fixed scroll: has a first base plate and a first spiral tooth that is provided on the first base plate; and is fixed to an inner wall of the...  
WO/2020/236809A1
Disclosed is a direct-drive refrigerant screw compressor, having: a housing; a compression chamber in the housing; a pair of rotors, each rotor of the pair of rotors being rotationally disposed in the compression chamber and including an...  
WO/2020/233108A1
Provided is a dual-side dual-groove parallel type oil-free vortex air compressor. The vortex air compressor mainly comprises two vortex fixed discs (2, 3) and a dual-side vortex tooth movable disc (1). One side end face of each of the vo...  
WO/2020/229163A1
The invention relates to a primary dry-type vacuum pump (1) comprising: - a stator (2) comprising at least one end part (14, 15) and at least two stator elements (10, 11, 12), and - two rotor shafts (7) for rotors (6) configured to rotat...  
WO/2020/228272A1
A scroll compressor, comprising: a housing; a compression mechanism, the compression mechanism comprising a fixed scroll and a movable scroll; a bearing seat component (42), the bearing seat component (42) being fixedly mounted to the ho...  
WO/2020/230230A1
This rotary compressor comprises, inside a sealed container, an electric motor unit and a compression mechanism unit that compresses a refrigerant with a driving force transmitted from the electric motor unit. The compression mechanism u...  
WO/2020/230773A1
[Problem] To provide a scroll compressor with which effective miniaturization can be achieved. [Solution] A scroll compressor 100 comprises, in a housing 10, the following: a fixed scroll 2 and a moving scroll 3; a thrust receiving part ...  
WO/2020/230232A1
This compressor comprises a sealed container having: an oil accumulation space that accumulates oil; a compression mechanism portion that is accommodated in the sealed container and that compresses a working gas flowing into the sealed c...  
WO/2020/230294A1
A rotary compressor comprising a rotary shaft for fluid compression, a sliding bearing for supporting a load acting on the rotary shaft in the radial direction, and a shell in which the rotary shaft and the sliding bearing are housed and...  
WO/2020/225877A1
This scroll component is characterized by having a fixed scroll formed of an aluminum alloy and a rocking scroll formed of an aluminum alloy, wherein: at least one among the fixed scroll and the rocking scroll has a zinc phosphate layer ...  
WO/2020/222827A1
A vacuum scroll pump having an inlet portion having a pump inlet, and an exhaust portion having a pump outlet; a frame; a stationary scroll plate fixed to the frame and comprising a stationary plate comprising at least one stationary scr...  
WO/2020/221478A1
An exhaust gas recirculation pump system for an internal combustion engine includes an EGR gas source and an electric motor assembly. A roots device is coupled to the electric motor. The roots device includes a housing defining an intern...  
WO/2020/215779A1
Disclosed are a crankshaft deformation balance method and device, a crankshaft with balance weights determined according to the method, and a scroll compressor using the crankshaft. The method comprises: determining a centrifugal compone...  
WO/2020/215663A1
Disclosed is a scroll compressor (100, 100A). The scroll compressor (100, 100A) comprises: a compressing mechanism (M), which compressing mechanism (M) comprises a fixed scroll plate (10) and a movable scroll plate (20); an exhaust check...  
WO/2020/217110A1
A liquid-injected compressor or vacuum pump device with a liquid- injected compressor or vacuum pump element (2), which comprises a liquid return system (7), a motor (4) to drive the compressor or vacuum pumping element (2), a gearbox (3...  
WO/2020/218238A1
The present invention provides a lightweight scroll pump rotor in which the gaps between scroll vanes are precisely managed, and a scroll pump comprising the scroll pump rotor. The scroll pump rotor is used in a scroll pump 1 that is pro...  
WO/2020/215723A1
Provided is a scroll compressor, comprising a compression mechanism (CM) and a valve assembly (200), wherein the compression mechanism (CM) is provided with a vent (V), and the valve assembly (200) is used for selectively opening and clo...  
WO/2020/217065A1
The invention provides a scroll pump comprising an orbiting scroll and a fixed scroll, wherein the orbital axis of the orbiting scroll is movable in a radial direction relative to the 5 fixed scroll while the orbiting scroll is orbiting ...  
WO/2020/217385A1
According to the present invention, a rotary compression part (6) has a plurality of cylinders (60A, 60B) that form compression chambers (63A, 63B) and are disposed side by side in the vertical direction, and a separator plate (69) dispo...  
WO/2020/215662A1
A scroll compressor, comprising: a shell having a top cover (1) and a shell body (3); and a scroll mechanism having a static scroll (2) and a movable scroll, wherein the scroll compressor comprises a positioning structure having a positi...  
WO/2020/217066A1
The invention provides a crank sleeve for a scroll pump. The crank sleeve has a longitudinal axis and is configured to provide a radially extending crank offset for imparting an orbital path on an orbital scroll of the scroll pump. The c...  
WO/2020/215724A1
Disclosed are a main bearing seat (100) for a scroll compressor (10), and a scroll compressor (10). The main bearing seat (100) comprises substantially ring-shaped thrust parts (120A, 120B, 120C) for supporting a compressing mechanism of...  
WO/2020/211449A1
A dual-cylinder two-stage variable-capacity compressor, comprising: a first cylinder (15), an exhaust port of the first cylinder (15) being in communication with a first exhaust passage (21); and a second cylinder (13), the second cylind...  
WO/2020/213155A1
A scroll compressor (1) wherein: a fixed end plate (41) of a fixed scroll (40) is positioned on the outside of a fixed wrap (42) in the radial direction so as to form a ring shape with an axis line (O1) as the center, and has a ring-shap...  
WO/2020/211450A1
A variable capacity compressor, comprising two cylinders (13, 15), and an intermediate plate (14) for separating the two cylinders (13, 15). At least one communication channel (141) is formed in the intermediate plate (14). One end of th...  
WO/2020/213080A1
A rotary compressor is provided with: a cylinder having a compression chamber; and a rotary piston that rotates along an inner peripheral surface of the cylinder. The cylinder has a guide hole ranging from a connection port to which an i...  
WO/2020/208765A1
A scroll compressor (1) wherein: an orbiting end plate (44) of an orbiting scroll (43) comprises: a thick portion (44a) that forms a disk shape and is provided with an orbiting wrap (45); and a thin portion (44b) that is integrated with ...  
WO/2020/208255A1
The invention relates to a screw compressor with a housing (1) and a rotor assembly (8) arranged in the housing (1) for conveying fluid. The rotor assembly (8) comprises a first rotor (9) which can be rotated about a first rotational axi...  
WO/2020/208803A1
Either one of an outside curve and an inside curve of a fixed spiral body and an orbiting spiral body respectively is a curve that is an involute of a base circle, and that is defined by formula (1) and formula (2) using an involute angl...  
WO/2020/209824A1
Refrigerant compressor with external cooling, comprises housing (1), inside which there are: crankshaft (2), rotor (3), stator (4,) compression chamber (5), oil sump (6); and outside on the housing (1) there are pipe for refrigerant inle...  
WO/2020/200906A1
Compressed air station comprising at least two waste heat-delivering compressed air components, with the respective compressed air component being designed either as a compressor or as a refrigeration dryer, with at least one of the comp...  
WO/2020/200904A1
The invention relates to a compressed air station comprising at least two compressed air components that deliver waste heat, with each compressed air component being designed either as a compressor or as a cold dryer, and also comprising...  
WO/2020/202676A1
Provided is a highly reliable compressor or the like. A compressor (100) is provided with: an airtight container (1) in which lubricating oil is sealed; an electric motor (6) which has a stator (6a) and a rotor (6b) and which is installe...  
WO/2020/202544A1
This hermetic rotary compressor comprises a crankshaft, an electric motor section that causes the crankshaft to rotate, a compression mechanism section driven by the crankshaft, and a hermetic container within which the aforementioned co...  
WO/2020/201218A1
The present invention relates to a dry-type vacuum pump (1) comprising an ancillary stator (13) at least traversed by one of the shafts (4); - a suction pipe (14) provided with a controllable inlet valve (15), connecting an inlet (17) of...  
WO/2020/202515A1
Provided is a compressor and the like with high reliability. A compressor (100) includes a cylindrical oil ring (15) provided between a compression mechanism portion (2) and an electric motor (6). A stator (6a) of the electric motor (6) ...  
WO/2020/205672A1
A compressor that includes a shell assembly, a compression mechanism and a conduit. The shell assembly defines a chamber. The compression mechanism is disposed within the chamber of the shell assembly and includes a first scroll member a...  

Matches 51 - 100 out of 37,959