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Patent Searching and Data


Matches 601 - 650 out of 37,696

Document Document Title
WO/2018/139543A1
This scroll compressor is provided with a scroll member which has a compression chamber which compresses a work fluid, a housing which houses the scroll member, a second drive-side shaft (72c) which discharges compressed work fluid from ...  
WO/2018/138475A1
A pump assembly and method are disclosed. The pump comprises: a first housing part defining a first portion of a bore extending within the first housing part and shaped to receive a rotor; and a second housing part defining a second port...  
WO/2018/139538A1
A scroll housing unit (3b) is provided which houses a drive-side scroll member (70), a driven-side scroll member (90), a first support member (33) and a second support member (35). A first drive-side scroll unit (71) and a second drive-s...  
WO/2018/139161A1
Provided is a single-screw compressor wherein a gate rotor assembly engaging with a screw rotor is provided with a first gate rotor (60) and a second gate rotor (70). In the first gate rotor (60), a front seal line (67) sliding on the fr...  
WO/2018/138840A1
This rotary compressor is provided with: a cylinder affixed to the inner peripheral side of a closed container; a rolling piston eccentrically rotating along the inner peripheral surface of the cylinder; and a vane contained in a vane gr...  
WO/2018/139307A1
This scroll compressor can adjust intermediate pressure to a prescribed pressure during compression of a compression chamber 15 and reduce the compression ratio under low compression ratio conditions in which an orbiting scroll 12 separa...  
WO/2018/139354A1
A compressor that: compresses refrigerant including a hydrofluorocarbon having the characteristic of causing disproportionation reactions; and has provided therein an elastic bearing (2) as a heat-generation suppression unit (1) that sup...  
WO/2018/139501A1
This scroll compressor is provided with a scroll member which has a compression chamber which compresses a work fluid, a housing which houses the scroll member, a second drive-side shaft (72c) which discharges compressed work fluid from ...  
WO/2018/134739A1
A co-rotating scroll machine operable as compressor or expander, comprises a transmission and guidance mechanism (9,10) for first and second scroll plates (7,8), having three transmission and guidance units (9,10) uniformly distributed a...  
WO/2018/134610A1
An inter-stage coupling for a multi-stage vacuum booster pump, a vacuum pump and a method are disclosed. The inter-stage coupling for a multi-stage vacuum pump comprises: a first coupling face configured to be received by a first adjacen...  
WO/2018/134600A1
A rotor for a multi-stage vacuum pump, a multi-stage vacuum pump and a method are disclosed. The rotor comprises: a plurality of rotary vanes, the plurality of rotary vanes being axially displaced and coaxially aligned; a pair of end sha...  
WO/2018/134200A1
The invention relates to a spindle compressor designed as a twin-shaft rotary displacement machine for delivering and compressing flow media, particularly steam. It comprises a pair of spindle rotors in a compressor housing (1) comprisin...  
WO/2018/135444A1
The present invention is characterized by comprising: a pair of screw rotors (8, 9) for compressing gas by rotating while engaging with each other; a casing (4) for accommodating the pair of screw rotors (8, 9); discharge-side bearing se...  
WO/2018/131111A1
Provided is a multi-stage scroll compressor configured such that vibration and noise can be suppressed and the multi-stage scroll compressor is highly reliable. This multi-stage scroll compressor is provided with: a closed container; at ...  
WO/2018/132344A1
A scroll-type displacement machine has fixed and orbiting scrolls (20, 30) and an Oldham rotation prevention ring (50). A drive module (40) positioned between the orbiting scroll (30) and drive shaft (71) incorporates an eccentric drive ...  
WO/2018/132601A1
A fluid machine is provided with a first rotor having a first rotor first working portion and a first rotor second working portion, a second rotor having a second rotor first working portion configured to mesh with the first rotor first ...  
WO/2018/131235A1
The scroll-type compressor has a fixed scroll, a turning scroll, and a bearing part supporting a drive shaft for turning the turning scroll. A back pressure chamber surrounded by the turning scroll and the bearing part is formed on the o...  
WO/2018/131088A1
Provided is a compressor comprising: a compression mechanism that compresses a refrigerant; a main shaft that transmits a rotational drive force to the compression mechanism; a balance weight that is disposed below the compression mechan...  
WO/2018/131265A1
With a first rotation angle (θ1) in the circumferential direction of a cylinder (121) of a piston (125) positioned at top dead center being 360 degrees, when the piston (125) is positioned at a third rotation angle (θ3) having the medi...  
WO/2018/131089A1
This refrigeration cycle device is provided with: a screw compressor; an oil accumulation section in which refrigeration machine oil discharged from the screw compressor is collected; an oil injection path which is a flow path for the re...  
WO/2018/132628A1
A fluid compressor includes a housing, a compression chamber, and a shaft including two vanes that each extend from the shaft to contact an inner surface of the compression chamber. The shaft, vanes, and inner surface of the compression ...  
WO/2018/131436A1
A compressor (5) comprises: a casing (10); a motor (20); a crank shaft (30); a compression mechanism (40); and a shaft support (61). The casing (10) includes a cylindrical part (11) having an inner diameter of a first dimension (D1). The...  
WO/2018/126758A1
Disclosed is a rotary compressor having at least a multi-vane cylinder, the multi-vane cylinder comprising: a cylinder body (5); a plurality of sliding vanes (11) arranged inside the cylinder body (5); a crankshaft (1) and a rotor (3) ar...  
WO/2018/124008A1
This scroll fluid machine (10) has a case (15), a stationary scroll (20) which is affixed to the case, and a movable scroll (30) which is disposed within the space S formed between the case and the stationary scroll and which rotates whi...  
WO/2018/124187A2
Provided is an air compressor device which can be used without requiring power source equipment. This air compressor device comprises a cylindrical body 3 and a compressor unit 4 provided on the interior of the cylindrical body 3. The ...  
WO/2018/123860A1
[Problem] To provide an oil supply structure for a vane compressor, which, without the use of an orifice, is capable of supplying oil stored in an oil storage chamber to a back-pressure supply recess while the pressure of the oil is redu...  
WO/2018/115424A1
A scroll compressor having a movable displacer spiral (13), which is connected to an eccentric bearing (16) for conjoint rotation and which engages in a stationary counterspiral (14) in such a way that radially inwardly moving chambers a...  
WO/2018/116696A1
The present invention comprises a pin-ring mechanism (15) that transfers a driving force such that a driving side scroll member (7) and a driven side scroll member (9) both rotate in the same direction at the same angular velocity. A rin...  
WO/2018/116912A1
A rotary compressor according to an embodiment of the present invention is provided with a rotating shaft, a first cylinder, a second cylinder, and a partition plate. The first cylinder is provided with a first suction path. At least the...  
WO/2018/116338A1
The single-screw compressor is provided with: a casing constituting an outer shell; a screw having a spiral tooth groove on an outer peripheral surface thereof; a gate rotor having a plurality of gate rotor tooth parts which engage with ...  
WO/2018/115815A1
A pump assembly is disclosed. The pump assembly comprises: a rotor (50) having a rotor shaft portion (80); a stator (100) having a bore portion defining a bore for receiving the rotor shaft portion; and a circumferential protrusion exten...  
WO/2018/113275A1
An air compressor, comprising: an integrated screw main machine (2) which is driven by a motor (1), the integrated screw main machine (2) being used for compressing air, a lubricating oil passage being provided in the integrated screw ma...  
WO/2018/115430A1
A method for producing a scroll compressor in which a cup-shaped housing (10) is provided which has a cylindrical peripheral wall (11) and a base (12) which limit an interior housing chamber (30), wherein • - an electric motor (18), ...  
WO/2018/115426A1
A scroll compressor having a housing (10) in which a movable displacer spiral (13), which is connected to an eccentric bearing (16) for conjoint rotation, and a stationary counterspiral (14) are situated, wherein the displacer spiral (13...  
WO/2018/117682A1
According to the present invention, a scroll compressor comprises: a housing; a driving motor accommodated in the housing; an orbiting scroll rotated by the driving motor; a fixed scroll provided inside the housing, and forming a compres...  
WO/2018/116685A1
The present invention comprises a pin-ring mechanism (26) that supports a driving side scroll member and a driven side scroll member as as to be capable of revolving relative to one another. The pin-ring mechanism (26) comprises: a pin m...  
WO/2018/117276A1
This screw compressor is equipped with: a screw rotor 2 that is formed from a rotor part 21 and a shaft part 23; a casing 4 that is provided with a shaft hole 53a through which the shaft part 23 is inserted, and that houses the screw rot...  
WO/2018/111985A1
A screw compressor (12) includes a casing (20) having a suction port and a discharge port, a male rotor (28) rotatable relative to said casing about a first axis (A), a female rotor (30) rotatable relative to said casing about a second a...  
WO/2018/109939A1
In the present invention, at least a portion of a region where tip parts of tooth parts of gate rotors and a discharge-side wall part, that is, a discharge-side wall forming a screw groove engaged with the tip parts of the tooth parts, f...  
WO/2018/109472A1
A claw pump and method of operating a claw pump are disclosed. The claw pump comprises: a stator element; two cooperating rotor elements mounted on parallel shafts and each having a claw shaped profile; a gas feed inlet for inputting a g...  
WO/2018/110147A1
This co-rotating scroll compressor 1 is provided with a housing 10 which forms an outer shell, a first driving scroll 20 which is supported rotatably inside the housing 10 and which has a spiral drive lap 22 on one end surface of a drivi...  
WO/2018/103476A1
Disclosed are an air cylinder, a pump body assembly, a compressor, and a temperature adjusting apparatus. The air cylinder comprises a cylinder body (10), and a first cavity (11) and second cavity (12) formed in an axial direction of the...  
WO/2018/101316A1
This scroll compressor is provided with: a compression unit (20) having a dry bushing (22) which is disposed at an end portion on one side in the axis direction of a main shaft (21) rotating around the axis line and rotates eccentrically...  
WO/2018/101195A1
This scroll compressor has: a housing (11); a fixed scroll (49) and a rotating scroll (51) which are provided in a rear housing (32) of the housing (11); a ring-like thrust plate (27) disposed between an end plate (51A) of the rotating s...  
WO/2018/100911A1
The screw compressor according to any of the embodiments is provided with a screw rotor, a rotor casing that accommodates the screw rotor, and a variable-internal-volume-ratio valve of which the internal volume ratio can be varied. The v...  
WO/2018/096823A1
Provided is an asymmetrical scroll compressor, wherein at least one injection port (43), which injects a medium-pressure refrigerant into a first compression chamber (15a) and a second compression chamber (15b), is provided, passing thro...  
WO/2018/094914A1
Provided are an air injection enthalpy-increasing scroll compressor, and a refrigeration system comprising the air injection enthalpy-increasing scroll compressor. The air injection enthalpy-increasing scroll compressor comprises a compr...  
WO/2018/094891A1
A scroll disc for use in a scroll compressor, comprising: a disc body and scroll teeth, the scroll teeth being arranged on a side face of the disc body, the scroll teeth extending from the side face of the disc body away from the disc bo...  
WO/2018/096825A1
According to the present invention, a compression chamber (15) is formed by a compression chamber dividing member (12) and a medium-pressure chamber, (41) which guides a medium-pressure working fluid that is not yet to be injected into t...  
WO/2018/097199A1
The present invention is provided with: a driving-side scroll member (7); a driven-side scroll member (9); a pin-ring mechanism (15) for transmitting a driving force from the driving-side scroll member (7) to the driven-side scroll membe...  

Matches 601 - 650 out of 37,696