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Patent Searching and Data


Matches 101 - 150 out of 19,688

Document Document Title
WO/2014/002970
[Problem] To provide a scroll compressor that achieves reduced production costs and that is capable of exhibiting excellent durability even when used under severe conditions. [Solution] An electric scroll compressor in which a double-sid...  
WO/2014/003060
A rotary compression mechanism is provided with a rotor (11) which can rotate about the axis (O1) of a shaft (12) mounted to a casing (1), a cylinder (8) which can rotate about a rotation center (O2) eccentric from the shaft (12), and a ...  
WO/2014/001089
The invention relates to a screw pump having two screws (14), in which each screw (14) has a first thread (19) and a second thread (19). The threads (19) each extend from a suction side (20) to a pressure side (21) and mesh with each oth...  
WO/2014/004141
A supercharger assembly has a rotor housing defining a chamber. A rotor is within the chamber and has an end with an end face. A seal has a seal face adjacent the end face. The seal face and the end face have complex topographies configu...  
WO/2013/189931
An automotive volumetric vacuum pump (10) is being oil-lubricated and is used for providing an actuation vacuum of less than 100 mbar. The pump comprises: A rotor (20) with a circular rotor body (21) being provided with an oil receiving ...  
WO/2013/189931
An automotive volumetric vacuum pump (10) is being oil-lubricated and is used for providing an actuation vacuum of less than 100 mbar. The pump comprises: A rotor (20) with a circular rotor body (21) being provided with an oil receiving ...  
WO/2013/187082
This scroll fluid machine secures the strength of both a driving scroll and a driven scroll so as to be able to cope with larger sizes and higher rotation speeds. A drive shaft (4) is received (11, 12) at both ends in the axis direction....  
WO/2013/187181
A screw compressor (1) comprises a screw rotor (4), a rotor shaft (11) structurally integrated with a male rotor (4a) of the screw rotor (4) coaxially with the male rotor (4a), a motor part (8) (motor) for causing the rotor shaft (11) to...  
WO/2013/186944
This scroll fluid machine secures the strength of both a driving scroll and a driven scroll so as to be able to cope with larger sizes and higher rotation speeds. Further, this scroll fluid machine reliably transmits rotation from the dr...  
WO/2013/186974
Provided is a scroll compression device which adjusts, with a fluid groove (81) between a mobile-side end plate part (51) and a fixed-side end plate part, a pressing force of a mobile scroll with respect to a fixed scroll. In at least a ...  
WO/2013/183436
A compressor (100) is provided with: a compressor body (60) having a compression chamber (43), which is partitioned by a rotor (50), a cylinder (40), side blocks (20, 30) on both sides, and vanes (58), formed in such a manner that only a...  
WO/2013/183609
Provided is a gas compressor that is able to prevent excess compression from occurring in a compression chamber. A region (a proximal section (48)) in which the inner peripheral surface (40a) of a cylinder (40) and the outer peripheral (...  
WO/2013/183545
Provided is a gas compressor configured so that excessive compression does not occur within the compression chamber. A gas compressor has at least two, first and second discharge holes (45a, 45b) for discharging a refrigerant gas compres...  
WO/2013/179677
When a rotary compressor is assembled, an eccentric section is disposed in a position at a predetermined crank angle from the position of a vane, a piston is brought in contact at the most eccentric position of the eccentric section, and...  
WO/2013/179658
A compressor has a drive shaft (3) supported by an upper bearing (7) and a lower bearing (9), a discharge port (22) provided in the lower bearing (9), and a lower discharge space (15b) composed of the lower bearing (9) and a lower valve ...  
WO/2013/175019
This invention relates to a screw‑type positive displacement machine (1) comprising a housing (2) with a first rotor (3') and a second rotor (3'') which are mounted to rotate in the housing (2) and which are driven in directions which ...  
WO/2013/175817
The present invention addresses the problem of providing a screw compressor capable of supplying lubrication fluid in an amount suitable to both an operating chamber for compressing gas and a bearing chamber to which a bearing is attache...  
WO/2013/175019
This invention relates to a screw‑type positive displacement machine (1) comprising a housing (2) with a first rotor (3') and a second rotor (3'') which are mounted to rotate in the housing (2) and which are driven in directions which ...  
WO/2013/172002
This compressor is provided with oil separation mechanism sections (40) which separate oil from a refrigerant gas discharged from a compression mechanism section (10), the oil separation mechanism sections (40) each having: a cylindrical...  
WO/2013/172144
In order to reduce manufacturing costs by eliminating parts such as delivery valves, a gas compressor comprises, in a housing (10), a compressor main unit (60) having a rotor (50) that rotates around an axial center (C), a cylinder (40),...  
WO/2013/167605
The spindle rotor pair of the spindle compressor has a 2-toothed spindle rotor (2) and a 3-toothed spindle rotor (3) which engages without contact in terms of teething. The wrap-around angle with respect to the 2-toothed spindle rotor is...  
WO/2013/168194
According to the present invention, a compression mechanism (99) of an airtight twin compressor (100) is configured from a sequential stack of a first discharge muffler (30), a first support member (60), a first cylinder (11), an interme...  
WO/2013/167843
The present invention relates to a so-called rotary piston engine or pump, which includes a shape F that is rotationally symmetrical relative to a delta axis, and which is rotatably movable about said delta axis relative to a casing V, w...  
WO/2013/167605
The spindle rotor pair of the spindle compressor has a 2-toothed spindle rotor (2) and a 3-toothed spindle rotor (3) which engages without contact in terms of teething. The wrap-around angle with respect to the 2-toothed spindle rotor is...  
WO/2013/168430
This compressor is provided with oil separation mechanism sections (40) which separate oil from a refrigerant gas discharged from a compression mechanism section (10), the oil separation mechanism sections (40) each having: a cylindrical...  
WO/2013/165876
A positive displacement pump assembly includes a rotor housing defining a rotor cavity, and an end plate configured to at least partially close one end of the rotor cavity. Rotors are supported on and fixed to rotor shafts and extend thr...  
WO/2013/165876
A positive displacement pump assembly includes a rotor housing defining a rotor cavity, and an end plate configured to at least partially close one end of the rotor cavity. Rotors are supported on and fixed to rotor shafts and extend thr...  
WO/2013/165157
A scroll compressor of the present invention comprises: a main housing having a suction port for sucking a refrigerant from the outside; a driving unit provided inside the main housing for generating rotational power; a scroll compressio...  
WO/2013/165990
A compressor may include a shell, a bearing housing supported within the shell, an orbiting scroll, a non-orbiting scroll meshingly engaged with the orbiting scroll, fasteners and a drive shaft. The bearing housing may include a central ...  
WO/2013/161255
A stationary scroll (12) is affixed and held within a housing (30). An orbiting scroll (11) is driven by a crankshaft (25) and orbits relative to the stationary scroll (12). The orbiting scroll (11) forms compression chambers (15) in coo...  
WO/2013/162477
A vane mechanism comprising: an outer cylinder configured to rotate about its central longitudinal axis; an inner cylinder configured to rotate about its central longitudinal axis, the inner cylinder provided within the outer cylinder, t...  
WO/2013/157730
A vane pump apparatus is disclosed. The vane pump apparatus comprises: a pump housing which has a cam ring for guiding a pumping operation of a fluid and a driving shaft provided to pass through the central part of the cam ring; a rotor ...  
WO/2013/158554
A supercharger assembly includes a rotor housing having an inner surface. A first and a second rotor are configured to rotate within the housing. The first and the second rotors each have multiple lobes. The lobes of the first rotor mesh...  
WO/2013/156754
A reduced noise screw expander is described, which comprises a main rotor and a gate rotor each having an 'N' profile. The rotors are designed so that the torque on the gate rotor caused by pressure forces is in the same direction as the...  
WO/2013/158554
A supercharger assembly includes a rotor housing having an inner surface. A first and a second rotor are configured to rotate within the housing. The first and the second rotors each have multiple lobes. The lobes of the first rotor mesh...  
WO/2013/152730
A rotor compressor, a rotor engine and a rotor turbine comprise a cylinder body (1), a main rotor (2) and a sub rotor (3, 3'; 31, 31') respectively. The sub rotor (3, 3'; 31, 31') is column with substantially crescent-shaped cross sectio...  
WO/2013/154103
A method for producing a compressed functional member comprises: an alloy production step for producing a magnesium alloy material (32) to be casted which comprises, in mass% relative to the total amount of the magnesium alloy material (...  
WO/2013/153757
Provided is a compressor comprising an oil separation mechanism section (40) for separating oil from refrigerant gas discharged from a compression mechanism section (10). The oil separation mechanism section (40) has a cylindrical space ...  
WO/2013/153970
Provided is a two-stage oil-cooled compressor device such that it is possible to supply oil to a bearing even if suction pressure and discharge pressure change. Thus, the two-stage oil-cooled compressor device (1), which results from con...  
WO/2013/152705
A scroll compressor (10), comprising a fixed scroll (150), a movable scroll (160) and a drive shaft (30); the scroll compressor (10) further comprises a movable scroll counterweight (40); the movable scroll counterweight (40) is configur...  
WO/2013/151040
In the present invention an inverter control circuit controls an inverter circuit (100) such that an orbiting scroll member stops for a first prescribed time at a prescribed rotational position when the scroll compressor is activated. Su...  
WO/2013/150714
A scroll compressor is characterized in that: a motor (5) and a compression mechanism section (4) are housed within a container, the compression mechanism section (4) being configured from an orbiting scroll (12), a stationary scroll (11...  
WO/2013/151043
R32 is known as a conventional refrigerant for a refrigeration cycle device. As for the properties of an R32 refrigerant, the ozone depletion potential (ODP) is 0 (zero), and it has low toxicity. Furthermore, it has excellent heat transf...  
WO/2013/150967
A gas compressor wherein the outline shape of the inner circumferential surface (41) of a cylinder (40) is set such that the pressure of a coolant gas (G) in compression chambers (43) reaches discharge pressure at a prior stage (a stage ...  
WO/2013/148943
Improvements in compressor manufacture are achieved by utilizing polymeric components which retain at least 90% of their dimensions after being exposed to a mixture of refrigerants and/or lubricants for 30 days at 60?C. Polymeric materia...  
WO/2013/148943
Improvements in compressor manufacture are achieved by utilizing polymeric components which retain at least 90% of their dimensions after being exposed to a mixture of refrigerants and/or lubricants for 30 days at 60?C. Polymeric materia...  
WO/2013/145017
The purpose of the present invention is to provide a highly reliable scroll compressor by maintaining necessary and sufficient lubricating oil in a back pressure chamber while reducing the agitation loss of the lubricating oil in the bac...  
WO/2013/145713
A check valve (300) is provided with a valve seat section (302) and a reed valve body (303) and is housed in a housing hole (310) in an intermediate-pressure refrigerant supply passage (80), the housing hole (310) being adjacent to the i...  
WO/2013/145018
Provided is a high-efficiency scroll compressor in which oil carry-over is reduced. The scroll compressor is provided with: a fixed scroll having a fixed-side flat-plate part, and a fixed-side lap standing on one surface of the fixed-sid...  
WO/2013/146674
Provided is a two-stage compression device which can adjust an internal compression ratio according to an external compression ratio. A two-stage compression device (1) has a low-stage compression unit (7) and a high-stage compression un...  

Matches 101 - 150 out of 19,688