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Patent Searching and Data


Matches 101 - 150 out of 32,974

Document Document Title
WO/2015/010780A3
The invention relates to a rotary piston machine with at least two pistons which move on a circular path within a working chamber with a constant cross-section that is enclosed by a hollow cylindrical or annular outer wall and a cylindri...  
WO/2015/010260A1
A rotary compressor and a refrigerating circulating apparatus having same. The rotary compressor comprises: a seal housing (2), a lower part of the housing (2) being provided with an oil storage chamber (F); a motor (M), the motor (M) be...  
WO/2015/011875A1
The purpose of the present invention is to improve the reliability of a three-dimensional scroll compressor by improving the durability of tip seals of the scroll compressor. In the three-dimensional scroll compressor (10), a pair of scr...  
WO/2015/010780A2
The invention relates to a rotary piston machine with at least two pistons which move on a circular path within a working chamber with a constant cross-section that is enclosed by a hollow cylindrical or annular outer wall and a cylindri...  
WO/2015/010446A1
A fixed-rail rotor pump and a fixed-rail rotor pump combined supercharging internal combustion engine. In the fixed-rail rotor pump, a rotor shaft (4) runs through a rotor (3); the rotor (3) is internally tangent to the inner wall of the...  
WO/2015/008688A1
[Problem] To reduce permeation and leakage of a fluid in a scroll fluid machine and enable component variations to be accommodated. [Solution] A center housing (5) integrally includes a fixed scroll member (2). A front housing (6) is joi...  
WO/2015/008982A1
An air conditioning apparatus including a compressor, an outdoor heat exchanger, an indoor heat exchanger, and an expansion valve to depressurize a refrigerant. The refrigerant is formed of hydro fluorocarbon (HFC). The compressor includ...  
WO/2015/006081A3
A screw compressor includes a screw compressor rotor (32). The rotor (32) includes a helical flute (36) extending outwardly from a rotor axis (38). A compressor housing (34) surrounds the rotor (32) and including a suction port (40) and ...  
WO/2015/006081A2
A screw compressor includes a screw compressor rotor. The rotor includes a helical flute extending outwardly from a rotor axis. A compressor housing surrounds the rotor and including a suction port and a discharge port. The housing has a...  
WO/2015/002375A1
The present invention relates to a scroll compressor which compresses a refrigerant confined in a compression chamber while gradually reducing the volume of the compression chamber by means of the relative rotation of a fixed scroll and ...  
WO/2015/000162A1
A low backpressure rotary compressor comprises a housing, a motor and a compressing mechanism. A chamber is provided inside the housing. An air suction pipe is provided on the top of the housing. The motor is arranged in the chamber, and...  
WO/2014/208029A1
The present invention provides a scroll-type compressor capable of reducing noise of any arbitrary frequency band occurring in the scroll-type compressor. This scroll-type compressor (1) is provided with: a revolving scroll (30) rotatabl...  
WO/2014/210515A1
A compressor may include a shell defining an internal volume containing compressed working fluid and first and second scrolls disposed within the internal volume. The first scroll may include a first spiral wrap. The second scroll may in...  
WO/2014/208398A1
[Problem] To provide a vane compressor which is configured so that the distribution of clearances at the front and rear of a rotor in the axial direction is maintained in an appropriate state by balancing forces acting on the front and r...  
WO/2014/202611A1
The invention relates to a refrigerant condenser, in particular a screw compressor, comprising a compressor housing (12), a compressor element (26, 28) which is driven by a drive and which is arranged in said compressor housing, at least...  
WO/2014/203879A1
[Problem] To hold the allocation of clearances between the front and the back in the axial direction of a rotor in an appropriate state in a vane compressor by causing a pressure difference between the front and the back in the axial dir...  
WO/2014/203443A1
A surface defined by an inside sealing groove (45) and an outside sealing groove (46) in the upper surface of a housing (40) forms an overturning restriction surface (43), which is higher than the surface on the inner-circumferential sid...  
WO/2014/198524A1
The invention relates to a vacuum pump, particularly a rotary vane pump, having a pump housing (10) which is arranged in a suction chamber (12). A conveying element (14, 16) is arranged in the suction chamber (12). According to the inven...  
WO/2014/198359A1
The invention relates to a separating device, in particular an oil separating device for an oil-fed rotary compressor, in particular screw compressors, which comprises a pre-separating device with a pressure-resistant housing and a fine ...  
WO/2014/198215A1
A scroll compressor, fixed scroll member and orbiting scroll member, the scroll compressor comprising: a compression mechanism (10), comprising a fixed scroll member (20) and an orbiting scroll member (30), the fixed scroll member (20) c...  
WO/2014/196147A1
A rotary compression mechanism equipped with: a shaft (12) that is mounted to a casing (1); a drive cylinder (8) that is supported by the shaft (12) so as to be capable of rotating; a rotor (11) that is installed inside the drive cylinde...  
WO/2014/196774A1
A compressor according to the present disclosure may include a container; a drive motor provided in the container; a crankshaft coupled to a rotor of the drive motor; a first scroll coupled to the crankshaft to receive a rotational force...  
WO/2014/196314A1
 Oil flowing from a rear pressure chamber to an intake chamber or a compression chamber via a rear pressure valve is sufficiently supplied not only to a lap tooth tip of a fixed scroll, but also to gaps between fixed scroll tooth botto...  
WO/2014/191362A1
The spindle compressor is a two-shaft rotary displacement machine which operates without operating fluid. The compressor has a compressor housing which has an inlet (34) and an outlet (35) for a gaseous medium to be pumped and a working ...  
WO/2014/192898A1
The present invention is equipped with: an economizer flow path (50), which is formed within a casing (1), and which connects the exterior of the casing (1) and a slide groove (14) in which a slide valve (12) is arranged; and an economiz...  
WO/2014/192852A1
Provided is a rotary pump which achieves improved reliability and improved operation efficiency by preventing an exhaust gas from flowing backward into a pump as much as possible, preventing the interior of the pump from being excessivel...  
WO/2014/192851A1
Provided is a two-shaft rotary pump which achieves improved reliability and improved operation efficiency by preventing an exhaust gas from flowing backward into a pump as much as possible, preventing the interior of the pump from being ...  
WO/2014/192114A1
The present invention is provided with a variable port (16), the aperture area of which and the initial discharge timing of which can be changed by the movement of a slide valve (12), and a fixed port (17), the aperture area of which doe...  
WO/2014/192666A1
[Problem] To prevent damage to a winding end of a spiral wall of a scroll in a scroll compressor. [Solution] A scroll compressor which is provided with a fixed scroll having an end plate and a spiral wall erected from the end plate, an o...  
WO/2014/191282A1
This scroll compressor (2) includes a first fixed scroll (4), an orbiting scroll arrangement (7), a drive shaft (18) adapted for driving the orbiting scroll arrangement (7) in an orbital movement, a driving unit coupled to the drive shaf...  
WO/2014/186989A1
Disclosed is a rolling rotor (piston) type compressor, comprising a motor, a crankshaft (4) and a compression assembly which are arranged in a housing (1), wherein the compression assembly comprises a cylinder (5), a rolling rotor (7) lo...  
WO/2014/189240A1
According to a scroll compressor associated with the present disclosure, the entire cross-sectional area of bypass holes formed at a compression chamber with a larger volume reduction gradient between the both compression chambers may be...  
WO/2014/189093A1
A heat pump device (200) which is provided with a two-cylinder compressor (100) comprising an electric motor (8) and two compression parts (10, 20) to be driven by the electric motor (8), and has a structure in which an operation mode is...  
WO/2014/182679A2
A method for expulsion of a fluid inside a compressor at start-up including the steps: applying a first signal to the motor rotor windings for a first duration of time to align the motor rotor to the initial position; applying a second s...  
WO/2014/178188A1
Provided is a scroll compressor having a partition plate (20), a fixed scroll (30), a rotating scroll (40), a rotation restriction member (90), and a principal bearing (60), wherein: by forming the inner wall of a fixed scrolling wrap (3...  
WO/2014/178189A1
This scroll compressor is provided with a partition plate (20), a fixed scroll (30), a turning scroll (40), a rotation inhibiting member (90), and a main bearing (60). The scroll compressor is further provided with: a bearing-side recess...  
WO/2014/178483A1
The present invention relates to a variable displacement type gear pump. The variable displacement type gear pump according to the present invention adjusts a discharge amount by changing an interlocking surface area of two gears by movi...  
WO/2014/178190A1
Provided is a scroll compressor having a partition plate (20), a fixed scroll (30), a rotating scroll (40), a rotation restriction member (90), and a principal bearing (60), and further equipped with: a first discharge port (35) connecte...  
WO/2014/178191A1
This scroll compressor is provided with a partition plate (20), a fixed scroll (30), a turning scroll (40), a rotation inhibiting member (90), and a main bearing (60). The scroll compressor is further provided with: a discharge space (30...  
WO/2014/174655A1
Provided is a compressor which, when a release valve device is provided therein, the deformation of both a hold-down section and a release valve receiver is reduced to improve the reliability. This scroll compressor is provided with a re...  
WO/2014/175429A1
A multi-cylinder rotary compressor (100) is provided with a plurality of compression mechanism units (a first compression mechanism unit (10) and a second compression mechanism unit (20)). The compressor is provided with a holding mechan...  
WO/2014/171567A1
An external fluid gear pump comprising a pair of gears with a contiguous backlash thereof small clearance seal off the trap regions; plural relief conduits provided at the decreasing trap region on at least a bearing block or end plate r...  
WO/2014/167708A1
An end surface of a cylinder head (3) and an end surface of a frame (2), which face a cylinder (1), are formed in a ring-like recessed cross-sectional shape which is concentric with the inner peripheral surface (1b) of a cylinder, and th...  
WO/2014/168830A3
A mounting adapter (78) is disclosed for use with a gear pump (18). The mounting adapter may have a generally plate-like base member (98), and inlet and outlet ports (116, 117) both formed in the base member. The mounting adapter may als...  
WO/2014/168085A1
[Problem] To provide a compressor which has reduced manufacturing costs and is more compact while avoiding decreasing the cooling capability achieved through circulation of a lubricating oil through a refrigeration circuit. [Solution] Th...  
WO/2014/166431A1
Disclosed are a rotation device, and a fluid motor, an engine, a compressor and a pump comprising the rotation device. In the rotation device, inlaying grooves for fixing expansion piston rings (621, 622) are formed in the middle of the ...  
WO/2014/168084A1
[Problem] To provide a scroll-type compressor capable of increasing the fluidity of a lubricant throughout a compressor by using a simple configuration, and thereby improve the lubrication performance, durability, and compression efficie...  
WO/2014/162150A1
A device (1, Fig. 9) for generating electrical power, the device comprising a scroll expander (10) with first and second scrolls (11a, 12a) configured to move relative to each other when a fluid is provided to an inlet at a higher pressu...  
WO/2014/164830A1
The present invention relates to compression based engine boosting systems, and, more particularly, to a supercharger configuration for higher pressure applications.  
WO/2014/162774A1
A vane compressor (200) is configured in such a manner that: a recess (2a) and a recess (3a), which are concentric with the inner peripheral surface of a cylinder (1), are formed in the cylinder-side end surfaces of both a cylinder head ...  

Matches 101 - 150 out of 32,974