Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 451 - 500 out of 37,721

Document Document Title
WO/2019/034870A1
A pump and method for pumping a gas are disclosed. The pump comprises: a pump housing element and a further element; one of the pump housing and the further element comprising a protrusion extending towards the other element, the other e...  
WO/2019/035277A1
Provided is a tip seal that makes it possible to improve the durability of a tip seal installed on the tooth tip of a wall even when a continuously inclined section is provided to the wall. The tip seal is provided with: a tip seal incli...  
WO/2019/034256A1
The invention relates to an electrical motor vehicle vacuum pump arrangement which comprises a housing compound (4) having an inlet opening arrangement (30) with an inlet opening (31) and having an outlet opening arrangement (32) with an...  
WO/2019/033679A1
Disclosed are a silencer and a compressor with the same. The silencer comprises a housing (1), with an inlet end of the housing (1) being provided with a protrusion (2) extending into the interior of the housing (1), the portion of the p...  
WO/2019/035354A1
A vane motor (100) comprising: a rotor (2) having a plurality of slits (2a) formed radially therein that connect to an output shaft (1) and open to an outer circumferential surface; a plurality of vanes (3) each slidably attached to the ...  
WO/2019/035276A1
In this scroll fluid machine, a tip seal (7) that is in contact with facing end plates (5a) and that is for sealing in a fluid is provided to a tip seal groove (3d) formed on the tooth tip of a wall (3b). The tooth bottoms of the end pla...  
WO/2019/029094A1
Provided are a compressor, air conditioner, and method for assembling a compressor; said compressor comprises a housing (10), a first cylinder component, and a second cylinder component. The first cylinder component comprises a first cyl...  
WO/2019/032096A1
A rotary compressor that may include an upper or outboard bearing above the motor components and, in this case, includes an upper bearing plate having a structure that ensures bearing alignment when press fit with an upper cap and a cent...  
WO/2019/029264A1
Provided are a rotor compressor having an air supply structure and a compression method thereof. The compressor comprises: an air cylinder (1) provided with a working chamber (11) and a sliding chamber (12) therein, a rotor (2) disposed ...  
WO/2019/031119A1
A first scroll (11) has a first wrap (112). A second scroll (12) has: a second wrap (122) moving in an orbiting manner relative to the first scroll and provided to an outer peripheral compression section (131); and a third wrap (123) pro...  
WO/2019/031412A1
A rotary compressor (1), wherein a drive shaft (70) is configured so as to have a lower-side eccentric part (76), a countershaft part (74), and a lower-side linking part (90) that links these two parts together, and moreover is configure...  
WO/2019/031411A1
A rotary compressor (1), wherein: a lower-side connection part (90) is provided between an auxiliary shaft part (74) and a lower-side eccentric part (76) of a drive shaft (70); the distance obtained by subtracting the amount of eccentric...  
WO/2019/026244A1
In a first outer-side wall part and/or a second outer-side wall part of this scroll compressor, a bypass passage is formed that allows communication between a compression chamber and an intake chamber and returns some of the refrigerant ...  
WO/2019/024686A1
Disclosed are an oil separation apparatus (70) and a horizontal vortex compressor (1) comprising the oil separation apparatus (70). The oil separation apparatus (1) comprises a support (71) and a filter member (72), wherein the support (...  
WO/2019/024614A1
A compression mechanism (100) and refrigeration equipment. The compression mechanism (100) comprises: air cylinders (110), each air cylinder (110) having a compression cavity (101); a bypass channel (130), one end of the bypass channel (...  
WO/2019/026272A1
Provided is a scroll compressor provided with a slider, wherein: the slider comprises a cylindrical part and a balance weight part; the balance weight part comprises a counterweight part, a first main weight part, and a second main weigh...  
WO/2019/024562A1
A compressor (100) and a refrigeration device, the compressor (100) comprises a cylinder (10), a piston (20), a slider (30), a first blocking member, and a second blocking member. A cylinder chamber and a slider groove are arranged in th...  
WO/2019/026410A1
This Oldham's ring (12) comprises: an annular body (31) disposed surrounding an axis (O); a plurality of keys (32) which protrude from the body (31), are inserted in grooves (38, 39) formed in an orbiting scroll (10) and a housing (3), a...  
WO/2019/027342A1
The group of inventions relates to the field of compressor and pump design. A spiral compressor comprises a housing, a suction chamber, a discharge chamber which is also an oil casing, and a driving spiral element and a driven spiral ele...  
WO/2019/027844A1
A supercharger having twisted meshing rotors sealingly contained within a housing having an inlet port to admit air into the meshing rotors and an outlet port to expel air from the meshing rotors, the rotors having mesh points where the ...  
WO/2019/027206A1
A bush bearing having an outer lubricating layer, a manufacturing method therefor and a scroll compressor having same applied thereto, according to the present invention, includes a bush bearing comprising: a base member which has a cyli...  
WO/2019/026340A1
The vacuum pump according to one embodiment of the present invention is provided with a first unit and a second unit. The first unit has a rotor core, a first rotating shaft, which supports the rotor core, and which extends in one axis d...  
WO/2019/021711A1
Provided is a scroll fluid machine capable of, even when a sliding bearing is used as a main bearing, solving a problem caused by axial movement of a drive shaft. The scroll fluid machine is provided with: a scroll mechanism (4) includin...  
WO/2019/022953A1
A supercharger assembly includes rotors, a base plate, and a housing with an anti-fouling material on one or more surfaces where accumulation of soot and/or soot-like material may lead to mechanical friction and possibly seizing. The ant...  
WO/2019/021712A1
Provided is a scroll fluid machine capable of, even when a sliding bearing is used as a main bearing, smoothly supplying oil and reducing an axial load exerted on an auxiliary bearing. The scroll fluid machine is provided with a back pre...  
WO/2019/022415A1
A rotary compressor according to the present invention has vane slots, into which vanes are glidingly inserted, respectively formed on a cylinder, and has a suction port, which is formed at one side of the vane slot in a circumferential ...  
WO/2019/021550A1
The compression section (12) of this rotary compressor (1) is provided with: an intermediate partition plate (140) disposed between an upper cylinder (121T) and a lower cylinder (121S); an upper vane (127T) for dividing an upper cylinder...  
WO/2019/022037A1
A flow-adjusting plate (160) is provided to divert the flow of refrigerant supplied from an intake tube (13), and an upper-end surface of the flow-adjusting plate (160) is positioned between a lower end and upper end of an opening part (...  
WO/2019/022134A1
A compressor (1), wherein a flow-adjusting plate (160) provided inside a sealed container (10) is configured such that some of a refrigerant flowing in from an intake tube (13) flows to a compression-mechanism (170) side without collidin...  
WO/2019/021432A1
This scroll compressor comprises: a container; a stationary scroll provided within the container; an orbiting scroll provided within the container and combined with the stationary scroll; a main shaft provided within the container and ca...  
WO/2019/021252A1
Vane compressor comprising a stator (5), a rotor (10) housed in the stator (5) and provided with a body (10) internally tangent to a side wall (8) of the stator (5) and with a plurality of vanes (13) sliding in respective seats (14) form...  
WO/2018/132019A3
A Rotary Claw Pump wherein at least one pair of intermeshing rotors has the same shape within a tolerance of plus or minus 3 percent of the radii from the edges of their shapes to their centers of rotation and wherein on a convex portion...  
WO/2019/021976A1
In a rotary compressor (1), a lower end plate (160S) has: a reed-valve-type lower discharge valve (200S) that opens and closes a lower discharge hole (190S); a lower-discharge-valve accommodation recess (164S) that extends from the lower...  
WO/2019/017248A1
In this rotary compressor, at least the bottom of a communication groove (72) continuing from a cylinder chamber (51) to a resonance chamber (71) is formed of a curved surface, the flow rate of gas flowing through the communication groov...  
WO/2019/008875A1
In the present invention, a discharge port (32) opens at the position where a fixed-side wrap (42) of a fixed scroll (40) begins to be wrapped. A first port expanding section (61) and a second port expanding section (62) which communicat...  
WO/2019/007110A1
A rotor-type compressor. The compressor comprises a first support assembly and a second support assembly (111); the first support assembly is an upper supporting assembly, and is coaxially provided with the end of a crank (102) passing t...  
WO/2019/008892A1
According to the present invention, an intake passage (C) is provided with: insert pipe parts (65, 91) inserted into a through hole (83) of a lid part (22) of a casing (20); and intra-mirror plate passages (73, 92, 94) formed inside a fi...  
WO/2019/003335A1
This scroll compressor is provided with: a frame which slidably retains an orbiting scroll; a fixed scroll which together with the orbiting scroll forms a compression chamber; and a shell which fixes the fixed scroll separately from the ...  
WO/2019/004730A1
The present invention relates to a rotary compressor having a two-stage compression structure, wherein a refrigerant suctioned into a compression space of a cylinder is compressed in two coaxially connected compression chambers and then ...  
WO/2019/002363A1
The invention relates to a displacement compressor system for the refrigerant R718, comprising a compressor machine (41), an evaporator (35), and a condenser (36). The open compressor machine (41) is designed as a spindle compressor in t...  
WO/2018/235164A1
A screw compressor that comprises a drive device and a pressure switching mechanism. The drive device comprises: a Vi piston that is connected to a variable Vi valve; and a drive cylinder that movably houses the Vi piston. The pressure s...  
WO/2018/236096A1
The present invention relates to a compressor which includes: a rounded portion formed around a discharge port thereof; a cylinder from which a diaphragm has been removed for convenience of shaping the rounded portion; and a cylinder cov...  
WO/2018/236143A1
A scroll compressor and an air conditioner including the same according to the present invention may comprise: a driving motor disposed in an inner space of a casing; a rotation shaft coupled to the driving motor; a frame disposed at a l...  
WO/2018/234755A1
A twin-shaft pump comprising: a pumping chamber; two rotatable shafts each mounted on bearings is disclosed. Each of the two rotatable shafts comprises at least one rotor element, the rotor elements being within the pumping chamber and t...  
WO/2018/229459A1
A twin shaft pump comprising: two cooperating rotors configured to rotate in opposite directions about parallel axes of rotation; a stator comprising a stator bore in which the rotors are mounted to rotate. The stator bore comprises a ce...  
WO/2018/228784A1
The invention relates to a multi-stage rotary piston pump comprising two shafts in a housing, which support multiple rotary pistons. Corresponding rotary pistons form a respective rotary piston pair, wherein multiple rotary piston pairs ...  
WO/2018/230827A1
According to the present invention, a scroll compressor has a discharge port formed in the center portion thereof, and has two compression chambers formed in a pair and continuously moving toward the discharge port, wherein both compress...  
WO/2018/230876A1
A scroll compressor includes a casing accommodating a rotary shaft and a driving unit, a first scroll making an orbiting movement by the rotary shaft, a second scroll engaged with the first scroll to form a compression chamber and having...  
WO/2018/230437A1
This scroll compressor (10) is provided with a stationary scroll (50) having a stationary scroll wrap (52), and is also provided with a movable scroll (60) having a movable scroll wrap (62). A second thickness (T2), i.e., the thickness o...  
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...  

Matches 451 - 500 out of 37,721