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Matches 101 - 150 out of 33,640

Document Document Title
WO/2015/198224A1
Fluid pump (10) comprising a hollow body (100) in which a stator (101) and an external rotor (106) of an electric motor are mounted. The external rotor (106) is rotatably mounted about a main axis (X-X) and has an internal cavity (25) co...  
WO/2015/198539A1
A rotary compressor having two cylinders is provided with a crankshaft (7) having a first eccentric section (7a) and a second eccentric section (7b), which are connected by a connection section (7e). The rotary compressor is also provide...  
WO/2015/197396A1
A vacuum pump system for evacuating a chamber, in particular a lock chamber or process chamber, comprises a main vacuum pump (12) preferably designed as a screw pump. An inlet (30) of the main vacuum pump (12) is connected to the chamber...  
WO/2015/197123A1
A pair of co-operating screw rotors comprising a male rotor and a female rotor. The male rotor has helically extending lobes and intermediate grooves, and the female rotor has helically extending lobes and intermediate grooves which are ...  
WO/2015/198516A1
A scroll compressor is provided with: a scroll compression mechanism having an orbiting scroll (30), a stationary scroll (20), and a thrust plate (19) for supporting the load of the orbiting scroll in the thrust direction; a back-pressur...  
WO/2015/194119A1
A scroll compressor comprising a pillar-shaped member (100) that is inserted into a scroll-side engagement section (101) formed in a stationary scroll (30). A lower end surface of the engagement section between the pillar-shaped member (...  
WO/2015/193974A1
A two-stage screw compressor is provided with a low-stage compression mechanism that compresses a fluid, a high-stage compression mechanism that further compresses the fluid compressed by the low-stage compression mechanism, and a screw ...  
WO/2015/194000A1
A scroll compressor comprising: a stationary scroll (4) having a spiral section (4a); an orbiting scroll (5) having a spiral section (5a) and, combined with the spiral section (4a) of the stationary scroll (4), forming a compression cham...  
WO/2015/190219A1
 A negative pressure pump is provided with a resinous housing main body formed into a bottomed cylinder shape having an opening in one end and including a bottom surface and inner peripheral surface that section off a pump chamber on t...  
WO/2015/190551A1
 Heat of refrigerant in a muffler space is transmitted to refrigerant in an intake hole of a cylinder, and the compression efficiency of a compressor significantly decreases. This compressor (1) is provided with a rear cylinder (14) in...  
WO/2015/190195A1
An attitude control means (contact section)(6f) is provided between a side surface of the eccentric shaft section (6a) of a rotating shaft (6), the side surface facing the direction of the eccentricity, and an inner wall surface of a sli...  
WO/2015/186641A1
This scroll compressor is a scroll compressor (1) provided with a housing (2) and a scroll compressor groove (3) provided inside the housing, the interior of the housing (2) being provided with an expelling cavity (25) for expelling high...  
WO/2015/185622A1
The invention relates to rotary screw compressors without operating fluid in the working space, having a 2-lobed rotary screw (2) and a 3-lobed rotary screw (3) in an enclosing compressor housing (8), wherein the axes of rotation of the ...  
WO/2015/187816A1
A compressor may include a scroll member, a hub, a discharge valve and a bypass valve. An end plate of the scroll member includes a recess, a discharge passage in communication with the recess, and a bypass passage in communication with ...  
WO/2015/187553A1
A compressor (22) comprises a housing (50) having a first port (26) and a second port (28). A male rotor (52) has a working portion (64) having a plurality of lobes (110) of a count (NM) and at least a first shaft portion (62) protruding...  
WO/2015/185624A1
The invention relates to a spindle compressors without operating fluid in the working chamber, comprising a 2-tooth spindle rotor (2) and a 3-tooth spindle rotor (3) in a surrounding compressor housing (8) and having preferably non-paral...  
WO/2015/185177A1
The invention relates to a vacuum pump (1) suitable for mounting to an engine, comprising a casing (2) having a cavity (4), and a moveable member (14) arranged for rotation inside the cavity (4), wherein the cavity (4) is provided with a...  
WO/2015/184371A1
The present teachings generally include a rotor assembly having a plurality of rotor sheets or layers mounted to a shaft, and methods of construction for a rotor assembly. Each rotor sheet or layer in the assembly may be provided with a ...  
WO/2015/182214A1
A compressor is provided with a bypass device (30) which is affixed positioned over a discharge hole (5b) in a main shaft (5) and which regulates the amount of oil discharged from the discharge hole. This bypass device has: a housing (31...  
WO/2015/176710A1
A compressor system for producing a compressed gas, more particularly air, comprising at least one main compressor (30) which is supplied with pre-compressed gas with the aid of a pre-compressor (20), wherein the at least one main compre...  
WO/2015/176541A1
A shaft-in-shaft centering rotor pump provided with sliding plates comprises a case, a rotor (4), a crankshaft (8), sliding plates (5) and blades (6). Due to the limitation of the crankshaft (8), the sliding plates (5) are prevented from...  
WO/2015/177851A1
A thrust plate has an oil supply hole which is formed leading to a compression chamber from a surface of the thrust plate, the surface sliding on an orbiting scroll. The orbiting scroll has an oil supply groove provided with: an oil inle...  
WO/2015/172593A1
A medium-frequency hermetically sealed refrigerant compressor having activation and unloading functions, comprising: an electric connector (2), a front end socket (1), a rear end socket (6), a barrel (7), a medium-frequency motor (3) dis...  
WO/2015/174032A1
The present invention provides a compressor that uses, as a working fluid, a refrigerant including R1123 (1,1,2-trifluoroethylene), and uses a polyol ester oil as a lubricating oil for the compressor. The compressor is provided with a fi...  
WO/2015/174033A1
The present invention provides a compressor that uses, as a working fluid, a refrigerant including R1123 (1,1,2-trifluoroethylene), and uses a polyvinyl ether oil as a lubricating oil for the compressor. The compressor is provided with a...  
WO/2015/172895A1
The scroll compressor (1) includes an orbiting scroll arrangement (7), and a drive shaft (18) configured to drive the orbiting scroll arrangement (7) in an orbital movement, the drive shaft (18) including a lubrication channel (32) and a...  
WO/2015/168101A1
The present invention relates to a screw compressor having an oil separator, comprising: a compressor housing with an inlet for a refrigerant gas flow to flow in; an oil separator housing connected to the compressor housing in a fastened...  
WO/2015/165359A1
A method for manufacturing a sliding blade of a compressor comprises selecting a proper base material of the sliding blade of the compressor and performing cutting, thermal treatment, deburring, nitrification, fine grinding and milling o...  
WO/2015/166578A1
Provided is a scroll compressor (1) wherein volutes of a fixed scroll and an orbiting scroll each have such an involute form that an outward surface with φ>φos0 and an inward surface with φ>φis0 have a tooth thickness t0 and a base c...  
WO/2015/162869A1
A scroll compressor in which a fixed scroll (30), a revolving scroll (40), a rotation-suppressing member (90), and a main bearing (60) are arranged in a low-pressure space (12), and the fixed scroll (30) and the revolving scroll (40) are...  
WO/2015/162296A3
The invention relates to a rotor pair for a compressor block of a screw machine, wherein the rotor pair comprises a secondary rotor (NR) that rotates about a first axis (C1) and a main rotor (HR) that rotates about a second axis (C2), wh...  
WO/2015/162296A2
The invention relates to a rotor pair for a compressor block of a screw machine, wherein the rotor pair comprises a secondary rotor (NR) that rotates about a first axis (C1) and a main rotor (HR) that rotates about a second axis (C2), wh...  
WO/2015/161678A1
Disclosed is a volumetric fluid mechanism, comprising an eccentric shaft (1) and a working medium moving member (2), wherein the eccentric shaft (1) comprises a driving shaft (3) and a deflection non-sheathed body (4) provided on a rotar...  
WO/2015/163661A1
According to an embodiment of the present invention, an intake device comprises: an annular fluid channel formed inside a circular housing; an introduction part installed on one side of the housing to guide fluid to be introduced to the ...  
WO/2015/163257A1
This rotary compressor comprises a switching mechanism for switching between: a compression operation state in which the front end part of one vane is pressed against the outer peripheral surface of a piston; and a non-compression operat...  
WO/2015/159715A1
A pump comprises a resin-metal composite (20) formed by joining a metal member (24) and a resin member (22) which is formed using a thermosetting resin composition. The pump is provided with a housing (10) having an inner wall surface (1...  
WO/2015/159459A1
In order to reduce the pressure loss of compressed gas flowing in a discharge chamber and to reduce vibration and noise by facilitating the damping of the pulsation of gas discharged into the discharge chamber, a screw compressor compris...  
WO/2015/155802A1
A high-reliability scroll compressor is provided which has a thrust structure that uses cast iron for the orbiting scroll and comprises a steel thrust plate arranged on the back surface of the orbiting scroll, and which prevents friction...  
WO/2015/154717A1
Provided is a compressor, wherein a low-pressure stage cylinder (8), a first high-pressure stage cylinder (3) and a second high-pressure stage cylinder (6) are arranged in a stacked manner, a baffle is arranged between two adjacent cylin...  
WO/2015/155798A1
There is demand for a scroll compressor that prevents an excessive amount of oil from being supplied during high-speed operation, enables a sufficient amount of oil to be supplied during low-speed operation, and does not cause fluctuatio...  
WO/2015/154726A1
A compressor comprising a first primary cylinder (1), a second primary cylinder (2), and a secondary cylinder (3), all being stacked one on the other, and two neighboring cylinders being provided with a separator therebetween; the first ...  
WO/2015/154284A1
Disclosed is a compressor (100) and a refrigerating system having the compressor (100). The compressor (100) is arranged horizontally and comprises: a housing (1); a compression mechanism (2), wherein the compression mechanism (2) is pro...  
WO/2015/157434A1
Rotary systems are described, which can include at least one of compressors and vacuum pumps. Each rotary system includes a corresponding piston that rotates in an orbital motion around a respective eccentric of a shaft in order to eithe...  
WO/2015/152833A1
A revolving vane compressor and a method of operating a revolving vane compressor are disclosed. The compressor includes a tubular sleeve having a first rotational axis; a rotor disposed within the sleeve, the rotor having a second rotat...  
WO/2015/154036A1
Methods and systems to mount a shaft with a motor rotor are provided. The motor may include a plurality of permanent magnets embedded in a lamination stack of a rotor of the motor, which may run through the length of the lamination stack...  
WO/2015/147744A1
A vane-slot mechanism for a rotary vane machine having a rotor configured to relatively rotate within a cylinder, the vane-slot mechanism comprising: a slot provided on one of: the rotor and the cylinder; a vane provided on the other of:...  
WO/2015/144254A1
A pumping system and method comprising: a dry primary screw vacuum pump (3) having a gas inlet orifice (2) connected to a vacuum chamber (1) and a gas outlet orifice (4) that opens into a duct (5) before leading into the gas outlet (8) o...  
WO/2015/146740A1
Provided is an internal gear pump in which the fluid discharge flow rate during the high speed rotation of a drive shaft is suppressed. The internal gear pump (1) is equipped with a trochoid (4) in which an inner rotor (3) having a plura...  
WO/2015/140869A1
A scroll compressor which has, inside an airtight container (20), a motor unit (8, 9), a compression mechanism unit (1, 2, 3) connected to the motor unit (8, 9), and a lubrication oil reservoir (19), and compresses a refrigerant using th...  
WO/2015/138557A1
A rotor assembly having a plurality of rotor plates mounted to a shaft, and methods of construction for a rotor assembly are disclosed. Each rotor plate in the assembly may be provided with a central opening extending between the first a...  

Matches 101 - 150 out of 33,640