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Patent Searching and Data


Matches 1,401 - 1,450 out of 38,139

Document Document Title
WO/2016/041097A1
A disc single-piece axial-flow variable-cavity mechanism is mainly composed of fixed members and moving members. The fixed members are a main cylinder (3), a front end cover and a rear end cover of the cylinder (4, 5). The moving members...  
WO/2016/038694A1
The purpose of the present invention is to provide a scroll fluid machine, the reliability of which is ensured and which can be manufactured with high productivity. The present invention provides a scroll fluid machine comprising: a stat...  
WO/2016/031277A1
The purpose of the present invention is to provide a scroll fluid machine (1) which can operate stably because appropriate pressing force is ensured without increasing the area of the rear surface of a movable scroll (7). The scroll flui...  
WO/2016/032063A1
The present invention relates to a micro gear pump having an improved structure so that the working fluid pressure can be maintained at or below a reference pressure. With respect to a micro gear pump provided with a pump main body havin...  
WO/2016/031278A1
The purpose of the present invention is to facilitate the starting of a scroll fluid machine (1) which is a single plate-type compression machine-integrated expansion machine in which the low-stage-side compression section of a refrigera...  
WO/2016/033484A1
A drive controller for a motor of a compressor includes a drive circuit that applies voltages to windings of the motor. A speed control module controls the drive circuit to rotate the motor at a requested speed. A speed determination mod...  
WO/2016/031276A1
The purpose of the present invention is to provide a scroll fluid machine (1) in which the dislodgement of a slide bush (56) and a spring (61), which are provided within an eccentric bush (36), is prevented by a simple configuration. The...  
WO/2016/031413A1
A rotor wherein, in a specific rotational phase, there is an overlap of three points, that is, a male backward-movement-side tooth tip point (B1), a female forward-movement-side tooth tip point (D2'), and the point of intersection (Q) be...  
WO/2016/026927A1
According to one aspect of the inventive concept there is provided a method for producing a rotor for a screw compressor comprising: providing a shaft, and forming at least two rotor segments of compacted metal powder, said segments comp...  
WO/2016/027413A1
Provided are: a rotary compressor wherein it is possible to reduce discharge resistance and pulsation, improve performance, and reduce noise; and a refrigeration cycle device. A compression mechanism part (12) has a cylinder (15) and a p...  
WO/2016/026556A1
Rotary vane vacuum pump (1) comprising - a housing (4) defining a cavity (18) having an inlet and an outlet, - a drivable vane member (20) for a rotary driven movement inside the cavity (18), - a rotor (30) inside the cavity (18), - a ro...  
WO/2016/027533A1
Provided is a horizontal step scroll compressor with which liquid compression can be effectively prevented even when starting up from a liquid infiltration state in which liquid refrigerant has migrated into the compressor while operatio...  
WO/2016/024009A1
A rotary compressor 1 comprises a cylindrical housing 8, a cylindrical roller 10 accommo- dated in the housing 8, a motor shaft 13 leading through the roller 10 having a cam 14 for rolling the roller 10 along a side wall 15 of the housin...  
WO/2016/023318A1
Disclosed is an oil-separating barrel component of a screw compressor, comprising: an oil-separating barrel (4), an end cover (401) being provided on an end part of the oil-separating barrel; an oil-separating filter screen (6), being pr...  
WO/2016/024885A1
The claimed group of inventions relates to the field of mechanical engineering and can be used in hydraulic machines, pumps, compressors, water cannons and engines for pumping liquid or gases. A method for pumping liquid or gases cons...  
WO/2016/021155A1
A crowned part (65) is provided to a flat surface (61a) of a low-pressure-side bush (61). The crowned part (65) is a section that has been crowned toward a cylinder chamber (55)-side end part from a start position that is further toward ...  
WO/2016/021616A1
A scroll-type fluid machine having: a housing; a fixed scroll fixed to the housing and having a fixed wrap formed on an end plate; a revolving scroll housed inside the housing, pivotally supported by an eccentric shaft integrally formed ...  
WO/2016/022474A1
A compressor may include a first scroll member having a first spiral wrap, a first chamber, and a first aperture. A second scroll member may include a second spiral wrap engaged with the first spiral wrap to form a series of compression ...  
WO/2016/022875A2
A screw compressor utilizing radial and axial or thrust bearings to maintain the position of the rotors radially and axially and utilizing a damping fluid to dampen rotor vibrations. The damping fluid may conveniently be provided in the ...  
WO/2016/016958A1
The purpose of the present invention is to provide a scroll-type fluid machine which reduces the load on a rotation prevention mechanism and which can improve performance and service life. This scroll-type fluid machine is characterized ...  
WO/2016/017207A1
[Purpose] To increase the efficiency of a compressor. [Solution] As a member (for example, a movable scroll member 22) that forms a sliding portion of a compressor, a magnesium alloy member that has been subjected to a surface treatment ...  
WO/2016/017281A1
The rotary compressor of an embodiment has: a pair of cylinders having cylinder chambers; a plurality of annular partition plates (42, 43); and a rotating shaft. The rotating shaft has a pair of crank eccentric sections (32, 34) and a co...  
WO/2016/018915A1
A compressor is provided and may include a shell, a compression mechanism, a driveshaft, and a motor assembly. The compression mechanism may be disposed within the shell. The driveshaft is drivingly engaged with the compression mechanism...  
WO/2016/016917A1
This scroll compressor is provided with: a compression mechanism which comprises an orbiting scroll and a fixed scroll that meshes with the orbiting scroll to form a compression chamber; a frame which is positioned on the side of the orb...  
WO/2016/012758A1
The present invention relates to a multi-stage vacuum pump comprising: first and second half-shell stator components (102, 104) and first and second end stator components (22, 124) which when assembled define a plurality of pumping chamb...  
WO/2016/013322A1
The compressor of an embodiment has a compressor body, an accumulator, and suction pipes. The compressor body has compression mechanism sections arranged in a vertically spaced relationship. The accumulator is positioned to a side of the...  
WO/2016/013251A1
[Problem] To fix a shell-integrated fixed scroll in an axial direction to maintain good dimensional accuracy. [Solution] A shell-integrated fixed scroll (28) of a scroll type compressor (10) is provided with a tubular center housing (22)...  
WO/2016/011791A1
Disclosed is a fluid mechanism, comprising a curved surface A (1) and a curved surface B (3, 6), wherein the curved surface A (1) has a non-fully rolling cooperation relationship with the curved surface B (3, 6), a concave-convex structu...  
WO/2016/012083A1
Disclosed is a screw compressor, in particular for refrigeration systems, comprising a compressor housing (1) which at least partly encloses the compressor, an integrated suction gas filter (2) and a non-return valve (7) that is to be ac...  
WO/2016/011790A1
Disclosed is a vortex gas mechanism, comprising a vortex disk A (1) and a vortex disk B (2), wherein the distance between a vortex line centre of at least one vortex disk (1, 2) of the two vortex disks (1, 2) and a rotation axis of an ec...  
WO/2016/010179A1
The present invention relates to a multifunctional energy-saving system of a screw compressor, wherein conventional programs are upgraded such that customers can more easily recognize related contents of patents, of which the contents ar...  
WO/2016/010309A1
Disclosed is a scroll expander in which an inlet and an outlet of an asymmetric scroll are disposed close to an intake port and a discharge port of the expander so that it is possible to minimize loss of a fluid path and a temperature in...  
WO/2016/006565A1
Provided is a compressor in which a check valve is provided to an injection passage formed in a housing member, said compressor being capable of inhibiting pressure loss of injected refrigerant. The compressor is provided with: a fixed s...  
WO/2016/002013A1
A fluid compressor is provided with: an enclosed container (20) having a suction opening (21) formed therein; a compression mechanism having a compression chamber (23) in which fluid flowing into the enclosed container (20) through the s...  
WO/2016/004179A1
A method of treating, tuning, assembling, and/or overhauling a twin rotor device (200, 1200) includes applying a coating material (102) on an internal set of working surfaces (218, 222, 224, 226, 228, 1218, 1222, 1224, 1226, 1228) of the...  
WO/2016/004384A1
A rotary compressor having a housing and a rotor positioned within an internal cavity of the housing is provided that is configured to rotate about a rotor axis of rotation eccentric to a housing longitudinal axis. A vane is also provide...  
WO/2015/197138A1
Method of pumping and pumping system (SP, SPP) comprising: a lubricated-vanes main vacuum pump (3) with a gas inlet orifice (2) connected to a vacuum chamber (1) and a gas outlet orifice (4) opening into a pipe (5) before opening into th...  
WO/2015/196351A1
Disclosed are an externally-supported rotary fluid machinery and a method for eliminating axial rotor displacement. The fluid machinery comprises a box body (1), an air cylinder (2) and a rotor (3), wherein the rotor (3) is eccentrically...  
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/2015/162296A3
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/2015/194000A1
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...  

Matches 1,401 - 1,450 out of 38,139