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Patent Searching and Data


Matches 1 - 50 out of 36,496

Document Document Title
WO/2018/054886A8
The invention relates to a method for producing a housing (20) of a rotary screw compressor (10), the housing (20) comprising at least one housing body (20a) and at least one housing cover (20b), said method comprising the following step...  
WO/2019/097708A1
This scroll compressor is provided with: a fixed scroll; a rocking scroll that forms a compression part together with the fixed scroll; a frame that holds the rocking scroll; a sealed container that accommodates the fixed scroll, the roc...  
WO/2018/054883A8
The present invention relates to a screw compressor (10) for a utility vehicle, comprising at least one housing (20) and a relief valve (80), wherein the relief valve (80) comprises a spring-loaded closure mechanism (100) with at least o...  
WO/2019/093109A1
An oil-cooled screw compressor 1 is provided with: a screw rotor 40 comprising a male rotor 50 and a female rotor 60 which engages with the male rotor 50; a rotor casing 10 for containing the screw rotor 40; and a plurality of oil supply...  
WO/2019/093107A1
This compressor 1 is provided with: a male rotor 50; a female rotor 60 which is meshed with the male rotor 50 and has more teeth than the male rotor 50; a rotor casing 10 which defines a male rotor compartment 31 for housing the male rot...  
WO/2019/094922A1
Power systems and methods of controlling an engine driven air compressor include an air compressor driven by an engine via a clutch. A first pressure sensor configured to sense a pressure level at an outlet of the air compressor. An inle...  
WO/2019/092773A1
This screw rotor lead correction calculating device is provided with: an initial data input unit which receives an error, as a distance of each position, in an axial direction, of a rotor groove portion of the screw rotor relative to a r...  
WO/2019/093647A1
Disclosed is a compressor having an improved structure capable of reducing noise of a broad frequency band. A rotary compressor comprises: a shaft; a flange for supporting the shaft; a cylinder including a compression room in which the s...  
WO/2019/091104A1
Provided are a variable-capacity control structure, a compressor and a variable-capacity control method therefor. The structure comprises: a variable-capacity component and a sliding vane constraint unit (8), wherein the variable-capacit...  
WO/2019/093138A1
A screw compressor 1 is provided with: a male rotor 151; a female rotor 152; a rotor casing 110; a body oil supply opening 112 provided in the casing 110 so as to open to the discharge-side space of a female rotor chamber S2; and an addi...  
WO/2019/092024A1
Scroll compressor having a fixed disc (1) and a fixed scroll (2) on a fixed base surface (3) of the fixed disc (1), which fixed scroll (2) configures a spiral compressor channel (6) which extends from an outer end (5) of the fixed scroll...  
WO/2019/094386A1
The present disclosure relates to a compressor (32) having a first rotor (76) and a second rotor (78) disposed within a housing (30), where the first rotor (76) is configured to rotate about a first axis (96) of the housing (30) and the ...  
WO/2019/091247A1
An air cylinder, a pump body assembly, and a compressor. The air cylinder comprises a cylinder body (1) and an air suction port (2) formed in the cylinder body (1). A first refrigerant channel (3) is also formed in the cylinder body (1),...  
WO/2019/093106A1
A compressor 1 is provided with: a male rotor 50; a female rotor 60 engaging with the male rotor 50 and having a rotation axis parallel to the rotation axis of the male rotor 50; a rotor casing 10 defining a male rotor chamber 31 which c...  
WO/2019/093181A1
This oil feed-type screw compressor 1 is provided with: a compressor body 100; an oil tank 12 for storing oil; pipes 6a to 6d for delivering oil from the oil tank 12 to an additional oil-feed opening 121d; an additional oil feed valve 34...  
WO/2019/089956A1
A scroll compressor can include a housing, a rod member, and a nut. The housing can define a first bore. The non-orbiting scroll can include a flange. The flange can define a second bore. The rod member can have a first axial end that is...  
WO/2019/088523A1
The present invention relates to a scroll compressor, the scroll compressor comprising: a housing (9) including a suction inlet port (10) and a system-outlet port (11); a first scroll member (1) which is fixedly disposed in the housing (...  
WO/2019/086924A1
This invention reveals a novel rotary mechanism. The proposed mechanism is different and novel compared to existing rotary mechanisms where there is a rotating cam or a cam shaft designed to open and close the ports of the engine by way ...  
WO/2019/088240A1
This compressor which has a stationary scroll (12) and a movable scroll (11) and in which the movable scroll is rotated relative to the stationary scroll to compress fluid in multiple stages and discharge the compressed fluid is provided...  
WO/2019/087227A1
This scroll compressor is provided with: a fixed scroll having an injection port formed in a base plate; a swinging scroll that forms a compression chamber with the fixed scroll; a shell that contains the fixed scroll and the swinging sc...  
WO/2019/087785A1
A screw compressor (1) is provided with a sliding valve mechanism (50) for adjusting the opening area sizes of cylinder openings (51A, 51B) formed in a cylinder part (25) of a casing (10), wherein a plurality of valve members (52A, 52B) ...  
WO/2019/084019A1
A compressor casing having an internal gas passage includes a first bearing housing arranged at a first end of the casing, a second bearing housing arranged at a second, opposite end of the casing, and a rotor case disposed between the f...  
WO/2019/080523A1
A compressor, a refrigeration system and an air conditioner, the compressor comprising: a crankshaft (1), a first air cylinder (2) having a first cavity (21), and a second air cylinder (3) having a second cavity (31); the crankshaft (1) ...  
WO/2019/083214A1
The present invention relates to a method for manufacturing a scroll compressor (1) and, particularly, to a pretreatment method for coating regions of a scroll compressor (1), which come into contact with each other during operation of t...  
WO/2019/083778A1
A fluid machine includes a first rotor rotatable about a first axis, a second rotor rotatable about a second axis, a casing for supporting said first rotor and said second rotor, a sump having a volume of lubricant contained therein, a f...  
WO/2019/076064A1
A compressor and an air conditioner having same. The compressor comprises a motor and a pump assembly. The motor drives, by means of a crankshaft (17), the pump assembly to work by means of a crankshaft (17); an accommodating space is fo...  
WO/2019/077704A1
In order to provide a scroll compressor equipped with a valve plate with which an opening/closing operation can be carried out smoothly, this valve mechanism (V) for a scroll compressor, which operates on the basis of a difference in pre...  
WO/2019/077978A1
This compressor is provided with: an airtight container (1); an electric motor unit disposed within the airtight container (1); a compressor mechanism unit which compresses a refrigerant by being driven by the electric motor unit; an int...  
WO/2019/076080A1
A scroll compressor having a lubricating structure, comprising: a shell, as well as a moving scroll plate (1), a not-moving scroll plate (2), a main bearing pedestal (6) and a driving assembly which are disposed in the shell. The inner s...  
WO/2019/077714A1
Provided is a scroll compressor (1) in which, in one of a scroll case (20) and an Oldham's ring (50), a case key (52) comprising a key protrusion disposed slidably in a groove longitudinal direction in a case key groove (24) has formed o...  
WO/2019/076684A1
The invention relates to a screw rotor for screw vacuum pumps, comprising a rotor shaft (10) which bears at least two displacement elements (12, 14). The displacement element (12) is conical in the conveying direction (22) and the adjoin...  
WO/2019/077979A1
This compressor is provided with a stationary scroll, at least one discharge opening, a reed valve, a valve stop, and a vent hole. The at least one discharge opening is provided in the stationary scroll. The reed valve is provided on the...  
WO/2019/073605A1
This scroll compressor has: a compression mechanism section having a stationary scroll and an orbiting scroll which orbits relative to the stationary scroll; a rotating main shaft; a variable radial crank mechanism which, through a movem...  
WO/2019/073679A1
This screw compressor is provided with a screw rotor (21) and a rotor shaft (47), i.e. the rotating shaft of the screw rotor (21). The screw compressor is also provided with a casing which forms together with the screw rotor (21) a plura...  
WO/2019/072118A1
A compressor and an operation control method thereof, and an air conditioner. The compressor comprises a first air cylinder (1), a second air cylinder (2), and a switching mechanism. The volume of the first air cylinder (1) is larger tha...  
WO/2019/073993A1
This scroll fluid machine unit is provided with a cooling fan which can be activated independently from a scroll fluid machine. When the scroll fluid machine is stopped, the cooling fan is controlled so as to be activated until the tempe...  
WO/2019/069886A1
Provided is a two-way-rotating scroll compressor with which the life of a synchronous drive mechanism can be extended. This compressor comprises a synchronous drive mechanism that transmits drive force from a drive-side scroll member to ...  
WO/2019/069441A1
The present invention provides a refrigeration cycle device that is provided with a scroll compressor capable of opening and closing an injection check valve while requiring no spring. A refrigeration cycle device (1) is provided with: a...  
WO/2019/061899A1
A pump body assembly and a compressor having same, the pump body assembly comprising: two structural members; a cylinder (20) provided between the two structural members; a rotary shaft (30) passing through the two structural members and...  
WO/2019/061892A1
An oil line structure of a compressor, comprising: a main shaft (1), an upper flange (2), and a rolling bearing (3); an inner portion of the rolling bearing (3) encloses to form an air cylinder cavity that is used for compression, the ro...  
WO/2019/064187A1
The present application provides a slide valve, wherein the slide valve is configured to regulate a load of a twin-screw compressor. The slide valve comprises a slide valve body, wherein the slide valve body has a connecting end and a fr...  
WO/2019/061898A1
A pump body assembly comprises: a rotary shaft (10) having a rotor portion (11), wherein the rotor portion (11) is provided with multiple sliding vane slots (111); a cylinder (20), wherein the rotary shaft (10) passes therethrough, and t...  
WO/2019/065404A1
A screw compressor 1 is provided with: a rotor casing 10 that defines a rotor chamber S1 accommodating a screw rotor body 16a; a shaft part 16c that extends from the screw rotor body 16a in such a manner as to penetrate through the rotor...  
WO/2019/061893A1
A compressor and an air conditioner having same. The compressor comprises: a spindle (10), the spindle (10) being provided with a protruding portion (11), and sliding sheets (12) being mounted on the protruding portion (11); an air cylin...  
WO/2019/058733A1
An Oldham coupling (90) which reciprocate to limit the rotation of a movable scroll (40) is disposed between the movable scroll (40) and a housing (50). The four support legs (27) of a support bracket (25) which supports a casing (15) ar...  
WO/2019/057056A1
Disclosed are a movable scroll device (1) for a scroll compressor and a method for manufacturing same. The method comprises: manufacturing the movable scroll device (1) by means of casting steps, so that the movable scroll device (1) com...  
WO/2019/052080A1
Disclosed is a pump assembly, a piece of fluid machinery comprising the pump assembly, and a heat exchange apparatus comprising the fluid machinery, the pump assembly comprising: a cylinder (10) having an inner cavity (11) and a sliding ...  
WO/2019/049076A1
The invention provides a sliding contact single vane rotary vacuum pump in which an oil supply passage is placed in the centre of the rotating vane through which a lubricating oil flows, which provides oil distribution in the pump chambe...  
WO/2019/049226A1
[Problem] To provide a low-cost, high-quality compressor for which the degree of design freedom with respect to a connection position between an introduction path and an injection path of an injection flow path can be increased, manufact...  
WO/2019/049415A1
Provided is an oil feed type air compressor with which it is possible to reduce the power consumption of a compressor main body during no-load operation. This oil feed type air compressor is provided with: a compressor main body (1) whic...  

Matches 1 - 50 out of 36,496