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Patent Searching and Data


Matches 401 - 450 out of 37,031

Document Document Title
WO/2018/147452A1
Provided is a screw compressor (1) wherein, an oil supply path (5) is formed for at least one of a screw rotor (40) and a gate rotor (50), the oil supply path (5): connecting to an oil supply port (4) which opens in a sliding-contact sur...  
WO/2018/147338A1
Provided is a tip seal for a scroll compressor capable of reducing a frictional force between scroll members and the tip seal and contributing to energy saving of the scroll compressor while maintaining sealing performance. A spiral tip ...  
WO/2018/147562A1
A hermetic compressor includes a vane that is inserted into the roller, rotates with the roller, and is pushed out toward the inner circumference of the cylinder by the rotation of the roller to divide the compression chamber into a plur...  
WO/2018/146333A1
A vane actuator arrangement for a rotary engine is described in which the vane is arranged to be rotationally static with respect to the rotor, and to reciprocate radially inwards and outwards such that the radial motion of the vane foll...  
WO/2018/142505A1
This compressor is provided with a sealed container, a compression mechanism which is housed in the sealed container and compresses a refrigerant flowing into the sealed container, and a discharge pipe which is attached to the sealed con...  
WO/2018/142964A1
Provided is a scroll compressor that can reduce shaft voltage and can achieve space savings for an entire device. A scroll compressor 100 that has: a rotor 32 that is housed inside a motor casing 14; a stator 31 that is housed inside the...  
WO/2018/142486A1
Provided is a rotary displacement compressor that makes it possible to determine whether a check valve has failed and that can prevent the lifespan of a compressor main body from being shortened when operation of the compressor is stoppe...  
WO/2018/141419A1
The invention relates to a vane-type gas pump (10), having a pump housing (20), wherein the pump housing (20) forms a pump chamber (22), in which a pump rotor (30) having at least one displaceable sliding element (32, 34, 36, 38, 40) is ...  
WO/2018/142095A1
A pump cooling system may include a cooling body (24) to be fitted to a pump housing (14) to receive heat from the pump housing via a heat conducting path (44) between the cooling body and pump housing. The cooling body (24) may have a p...  
WO/2018/142564A1
This compressor is provided with a sealed container, a compression mechanism which is housed in the sealed container and which compresses a refrigerant flowing into the sealed container. The compression mechanism comprises a rotation sha...  
WO/2018/145091A1
A compressor may include a first compression member, a second compression member, and a motor assembly. The second compression member is movable relative to the first compression member and cooperates with the first compression member to...  
WO/2018/142536A1
This compressor is provided with a sealed container having a built-in compression mechanism, an intake pipe connected to the compression mechanism, an intake muffler connected to the intake pipe, and a supply pipe for supplying a refrige...  
WO/2018/141381A1
The invention relates to a vane gas pump for a compressible fluid, having a pump housing (20) that forms a pump chamber (22), in which a pump rotor (30) having at least one displaceable slide element (32, 34, 36, 38, 40) is rotatably mou...  
WO/2018/139500A1
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/2018/139308A1
This hermetic compressor can prevent lubricating oil from being discharged to the upper section of an auxiliary bearing 18, as a result of lubricating oil supplied from a side hole 13g moving downwards inside an oil groove 13f and the lu...  
WO/2018/139314A1
A refrigerant in a refrigerant circuit (11) includes a hydrofluorocarbon having the characteristic of causing disproportionation reactions. A compressor mechanism (40) has provided therein: a blade (51) integrally coupled to pistons (44,...  
WO/2018/139309A1
A scroll compressor capable of quickly guiding lubricating oil that has accumulated in an oil sump 80 when the compressor stopped, to an outer circumferential section of an orbiting scroll end plate 12a by centrifugal force simultaneousl...  
WO/2018/137162A1
A compressor (100) comprises : a housing (1); a separator (2) that divides the housing (1) into a high pressure chamber (a) and a low pressure chamber (b) and is provided with an assembly through hole (21); a motor (3) comprising a stato...  
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...  

Matches 401 - 450 out of 37,031