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Matches 1,001 - 1,050 out of 37,721

Document Document Title
WO/2017/075555A1
A compressor design includes a male rotor (10) having one or more helical lobes (12) and a female rotor (14) having one or more helical grooves (16). The male rotor is mounted on a first shaft and the female rotor is mounted on a second ...  
WO/2017/063588A1
A double-stage capacity-variable compressor and an air conditioning system having the same. The double-stage capacity-variable compressor comprises a first cylinder group (10) and a second cylinder group (20). The first cylinder group (1...  
WO/2017/063503A1
A capacity changing mechanism (2) for a scroll compressor (1). The scroll compressor (1) comprises a compression mechanism. The compression mechanism comprises a fixed scroll member (5) and a movable scroll member (6) for defining a seri...  
WO/2017/061014A1
A rotary compressor is provided with an electric motor section and a compression mechanism section which is driven by the electric motor section, the electric motor section and the compression mechanism section being accommodated within ...  
WO/2017/058369A1
A compressor (20; 600) comprising: a housing assembly (22) having a plurality of ports including a suction port (24) and a discharge port (26); a male rotor (30) mounted for rotation about an axis (500); a female rotor (32) enmeshed with...  
WO/2017/056644A1
Provided are: a rotary compressor configured so that, even if a blade which comprises two blade members overlapped on each other is used in the rotary compressor, a gap through which operating fluid leaks to the outside will not occur in...  
WO/2017/012988A3
The invention relates to a pump system comprising a vacuum pump (12) and a cooling element (18) connected to said vacuum pump (12). A coolant feed (20) and a coolant discharge (22) are connected to the cooling element (18) for the purpos...  
WO/2017/055129A1
The invention relates to a multi-stage rotary vane pump comprising at least two rotor elements (14, 38). Said rotor elements are supported by a rotor shaft (36). According to the invention, said rotor elements (14, 38) and the rotor shaf...  
WO/2017/057848A1
The present invention relates to an electric compressor comprising: an inverter which is connected to an external power source via a connector unit to control a driving unit which compresses a fluid by driving a compression unit; and a p...  
WO/2017/057159A1
[Problem] To provide a scroll-type compressor with which degradation of bearing durability can be prevented while avoiding cost increase. A scroll-type compressor 1 is provided with: a fixed scroll member 21; a revolving scroll member 22...  
WO/2017/056837A1
A screw compressor comprises: a compressor body (2) having a male and female pair of screw rotors (3) accommodated within a rotor chamber (17); a motor (6) having a rotor (6a) and a stator (6b), which are accommodated within a motor cham...  
WO/2017/057026A1
Provided is a screw rotor machining method in which screw tooth grooves are formed by simultaneously controlling a plurality of rotation shafts that are for rotating a workpiece and turning a tool. The machining method includes: a step o...  
WO/2017/056213A1
A scroll compressor is provided with: an orbiting scroll having a first spiral tooth which is disposed on one surface of a first end plate, and also having a first tip seal which is disposed on the front end surface of the first spiral t...  
WO/2017/050362A1
The invention relates to motor vehicle vacuum pump (10), comprising a pump chamber (12), in which a pump rotor (11) rotates in a compressing manner, and an outlet chamber (14), into which the compressed gas escapes from the pump chamber ...  
WO/2017/052114A1
The present invention relates to a technique for efficiently cooling a vacuum pump for vacuuming a process chamber of a semiconductor manufacturing facility. The present invention provides a vacuum pump with a cooling apparatus, which re...  
WO/2017/048830A1
An intermediate discharge port in a scroll compressor and a method for controlling part- load efficiency of a scroll compressor are disclosed. The compressor includes a compressor housing; a non-orbiting scroll member and an orbiting scr...  
WO/2017/048110A1
The present invention provides a scroll fluid machine comprising: a stationary scroll unit (100); an orbiting scroll unit (200); a main frame (300) having three bearings (312)(322)(332) installed so as to correspond to bearings (221a)(22...  
WO/2017/045411A1
A screw compressor and a machine body thereof. The machine body comprises a shell (1), and the shell (1) is provided with an air suction port (11) and an exhaust end face (12). A rotor cavity and a sliding valve cavity (14) are formed in...  
WO/2017/042653A1
A screw compressor (100), provided with: an electric motor (4); a screw rotor sharing an axis of the electric motor (4), and being driven by the electric motor (4); a casing accommodating the electric motor (4) and the screw rotor, and c...  
WO/2017/042969A1
A scroll compressor is configured so as to accommodate within an enclosed container: a compression mechanism provided with a stationary scroll and an orbiting scroll; and a drive section for the compression mechanism. A suction pipe exte...  
WO/2017/043471A1
[Problem] To make it possible for a scroll fluid machine that is a single-plate compressor-integrated expander to start easily and reliably and operate stably. [Solution] Coolant compressed in a compressing unit of a scroll fluid machine...  
WO/2017/042646A1
Provided is a permanent magnet rotary electric machine, provided with: a stator (2), provided with a stator core (6) and an armature winding (8) arranged in the stator core (6); and a rotor (3), provided with a rotor core (12) and perman...  
WO/2017/037778A1
The purpose of the present invention is to provide: a scroll-type fluid machine which is configured so that a part requiring maintenance can be maintained easily; and a maintenance method for the scroll-type fluid machine. The present in...  
WO/2017/038334A1
The present invention is provided with a pair of male and female screw rotors 3, and a motor 6 that drives a rotor shaft 21 of one of the screw rotors, wherein: the rotor shaft 21 and a motor shaft 31 are separate components and are coax...  
WO/2017/036253A1
An oldham ring (10) for a scroll compressor (1) comprises: a ring-shaped main body (11) comprising a top surface (14), a bottom surface (15), an inner side surface (16) and an outer side surface (17); and a slide engagement portion dispo...  
WO/2017/038653A1
The purpose of the present invention is to provide a scroll-type fluid machine for which maintenance can easily be performed in necessary locations, and a maintenance method for said fluid machine. The present invention provides a scroll...  
WO/2017/038673A1
Disclosed is an air compression device provided with a compressor that compresses air and generates compressed air, and a cooler that defines an internal space, into which the compressed air flows. The cooler has a first cavity-forming s...  
WO/2017/038308A1
A two-stage screw compressor 2 is provided with a first-stage compressor body 4, a second-stage compressor body 6, and a control device 8. The first-stage compressor body 4 is driven by a first motor 12, the rotation speed of which is ca...  
WO/2017/031669A1
A rotary compressor (700) and a freezing circulation device (1000) having same. The rotary compressor comprises a reservoir (1), a first reversing component (49), and a compression mechanism. The compression mechanism comprises two cylin...  
WO/2017/034669A1
A supercharger that receives and/or generates high pressure boost air and contains gear lubrication includes a housing, a rotor coupled to a rotor shaft rotatably supported in the housing, and a high pressure rotor seal disposed about th...  
WO/2017/033349A1
This compressor is provided with a housing (30) formed in a cylindrical shape, a compression mechanism (10) which is placed in the housing, and which has a fixed member (12) and a movable member (11), and a plurality of external connecti...  
WO/2017/029937A1
An oil-cooled screw compressor 2 equipped with a control device having: a calculation unit 36 that calculates a remaining moisture amount Dr on the basis of at least a suction temperature Ts, a suction pressure Ps, a discharge temperatur...  
WO/2017/028914A1
The invention refers to a lubricated automotive vacuum pump (10) for providing low-pressure for an automotive actuator, comprising a pump housing (12) housing a pump chamber (16) which is radially defined by a circumferential chamber sur...  
WO/2017/031134A1
A supercharger rotor comprising a plurality of lobes around a center axis, each lobe of the plurality of lobes comprising a rotor profile. The rotor profile comprises a tip, a convex addendum comprised of at least two interpolated and st...  
WO/2017/028839A1
An electromotive vacuum pump for land and air vehicles having a cylindrical working chamber in which a slider is arranged between a suction opening and an outflow opening, which slider slides in a guiding slot of an eccentric rotary pist...  
WO/2017/024866A1
A compressor comprising: an upper flange (50); a lower flange (60); at least two cylinders (20 and 200), where the at least two cylinders (20 and 200) are sandwiched between the upper flange (50) and the lower flange (60), and any adjace...  
WO/2017/027657A1
A compressor (22) has a male rotor (52), a female rotor (54), and a housing (50). The housing has a first bore (114) and a second bore (116) respectively accommodating portions of the male rotor and the female rotor. The housing has an i...  
WO/2017/024867A1
A compressor, comprising: an upper flange (50); a lower flange (60); at least two cylinders (20), wherein the at least two cylinders (20) are sandwiched between the upper flange (50) and the lower flange (60), and any two adjacent cylind...  
WO/2017/024865A1
Disclosed is a compressor. The compressor comprises a crankshaft (10), and a first cylinder (20), a second cylinder (30) and a third cylinder (40) arranged sequentially in an axial direction of the crankshaft (10). The first cylinder (20...  
WO/2017/024862A1
A fluid machine, heat exchanger, and operating method of fluid machine. The fluid machine comprises: a rotation shaft (10), a cylinder (20), and a piston assembly (30). The rotation shaft (10) and the cylinder (20) are eccentrically disp...  
WO/2017/026744A1
A compressor includes a discharge guide provided to communicate a discharge port and a bypass port to a discharge cover so that refrigerant discharged from the discharge port and the bypass port is guided to the discharge cover and a mid...  
WO/2017/024863A1
A fluid machinery, a heat exchanging apparatus, and an operating method for the fluid machinery. The fluid machinery comprises: an upper flange (50); a lower flange (60); a cylinder (20), where the cylinder (20) is sandwiched between the...  
WO/2017/024864A1
Disclosed are a fluid machinery, a heat exchange device, and a method for operating a fluid machinery. The fluid machinery comprises: an upper flange (50); a lower flange (60); a cylinder (20), the cylinder (20) being clamped between the...  
WO/2017/025201A1
The disclosure herein relates to device, for example a gear pump, for pumping fluid. The gear pump comprise a motor for driving a rotatable drive shaft; a drive gear configured to be driven by the drive shaft; an idler gear which meshes ...  
WO/2017/024868A1
Disclosed is a fluid machinery, which comprises: an upper flange (50); a lower flange (60); a cylinder (20) which is clamped between the upper flange (50) and the lower flange (60); a piston sleeve (33) which is pivotably provided in the...  
WO/2017/025722A1
A dry vacuum pump comprises a stator (10) which defines an internal chamber (11) in which a rotor (12) is rotationally mounted. A sensor (18) is mounted to the stator (10) and having an output (26) connected to a processing circuit (27) ...  
WO/2017/027688A1
A compressor (20) comprises: a housing assembly (22) having a plurality of ports including a suction port (24) and a discharge port (26); a male rotor (30) mounted for rotation about an axis (500); a female rotor (32) enmeshed with the m...  
WO/2017/023943A1
A compressor may include a non-orbiting scroll, an orbiting scroll, a drive shaft, a bearing housing and an annular seal. The non-orbiting scroll includes a first spiral wrap. The orbiting scroll includes an end plate having a second spi...  
WO/2017/021941A1
Volumetric compressor (1) for collection and/or treatment equipment of material in liquid, solid, dusty or muddy form. The compressor (1) comprises an operative chamber (50), defining a suction section and an exhaust section of a first f...  
WO/2017/018005A1
The rotary compressor of an embodiment has a container, a cylinder, closure plates, a roller, a blade, and oil supply grooves. The closure plates close the openings of a cylinder to form a cylinder chamber together with the cylinder. The...  

Matches 1,001 - 1,050 out of 37,721