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Patent Searching and Data


Matches 401 - 450 out of 7,654

Document Document Title
WO/2010/047371A1
A multiple-stage compressor, wherein the amount of lubricating oil sucked into a high-stage compression mechanism by being entrained in an intermediate-pressure refrigerant discharged from a low-stage compression mechanism is reduced to ...  
WO/2010/038360A1
In a refrigerating apparatus which performs a refrigerating cycle of two-stage compression, a plurality of compression mechanisms (20, 30) comprise four cylinder chambers (C1, C2, C3, C4) so that the volume ratio of a compressor (1) form...  
WO/2009/117993A3
The invention relates to a low pressure pump/vacuum pump for gaseous media, comprising two interacting combs the teeth of which are configured as cycloidal components, the duplicate compressor stages being interconnected. A power unit of...  
WO/2010/035891A1
A fluid machine which is compact in size, which is available at reduced manufacturing cost, and which drastically increases the efficiency of a Rankine cycle by increasing the amount of heating of a refrigerant circulating in the Rankine...  
WO/2010/026776A1
A multiple-stage compressor provided with bypass piping has high efficiency. A multiple-stage compressor (11) is provided with a sealed housing (12), a low-stage compression mechanism (13) and a high-stage compression mechanism (15) whi...  
WO/2010/024409A1
In an enclosed container (1), there is mounted a portion of a pressure switching valve (K) for switching the pressure of a second blade chamber (10b) formed in a second cylinder (6B), into a discharge pressure and a suction pressure. Th...  
WO/2010/021491A1
Disclosed is a variable capacity type rotary compressor (1 ), a cooling apparatus having the same, and an operation method thereof, wherein in the variable capacity type rotary compressor (1 ) and the cooling apparatus having the same, a...  
WO/2010/012891A1
The present invention relates to a method of manufacturing a shell ring (V) for a scroll‑type compressor, this shell ring comprising a larger‑diameter part (1) known as the bottom part, designed to accommodate a lower bearing, and a ...  
WO/2010/014014A1
There is described a mobile breathing-air compressor unit arranged for use in an explosive environment and including an air compression unit, an air inlet provided with a gas detector which is arranged to stop the air compression unit, m...  
WO/2010/011081A1
A compressor and an air-conditioner having the same are disclosed. Operationally, a compressor application voltage is detected, and the air-conditioner is operated in a pre-set operation mode according to the detection result, or the air...  
WO/2010/006663A1
The invention relates to the cooling for a screw pump for the delivery and compression of gases, wherein the rotors (1) have previously known internal cooling (7). In order to increase the operational reliability and improve the applicat...  
WO/2010/000984A1
Method of manufacturing a shroud (V) for a scroll-type compressor, this shroud comprising a larger-diameter part (1) known as the lower part, designed to accept a lower bearing, and a smaller-diameter part (3), known as the upper part, d...  
WO/2009/149682A2
The invention relates to a motor-pump module comprising a displacement pump that is driven by an electric motor and encompasses a pump housing. The invention is characterized in that a first face of the electric motor is mounted in a dir...  
WO/2009/142023A1
A fluid machine (101) is provided with a first compressor (107) and a second compressor (108). The first compressor (107) has a first sealed container (111), a first compression mechanism (102a), an expansion mechanism (104), and a shaf...  
WO/2009/141956A1
Connection between a first compressor (compressor integral with expander) and a second compressor only by an equalizer pipe may cause insufficient lubrication of the first compressor, causing a reduction in reliability of a fluid machine...  
WO/2009/010796A3
An engine comprising a first section having a first face and a second section having a second face, the first and second faces being opposed to one another and arranged for relative rotation, the first face comprising at least one chambe...  
WO/2009/136488A1
A sub-compressor (23) is mounted between a compressor (22) and a power recovery device (24), and a refrigerant preliminarily compressed by the sub-compressor (23) is caused to flow into the compressor (22). The sub-compressor (23) and t...  
WO/2009/116237A1
A freezing device (1) uses as a coolant, a chemical compound expressed by a molecular formula C3HmFn (wherein m = 1 to 5, n = 1 to 5, and m + n = 6). The freezing device (1) employs a compressor having a first compression mechanism (20A)...  
WO/2009/103701A1
A vacuum pump is connected to two multi-staged vacuum pumps (26) and one pre-vacuum pump (22) for producing very low pressures, in particular in the range of 10-10 mbar. A pressure is produced in the individually series-arranged vacuum c...  
WO/2009/098874A1
Provided is a compressor (20) comprising a compression mechanism (30), in which movable members (51, 52, 55 and 56) having movable end plate portions (51a, 52a, 55a and 56a) disposed on the root end sides are eccentrically rotated while ...  
WO/2009/098872A1
A fluid machine having an inflow path (32) which, in order that a low stage side fluid chamber and a high stage side fluid chamber are formed in separate eccentric fluid mechanisms (24, 25), introduces fluid from the outside into fluid c...  
WO/2009/096220A1
An enclosed compressor having first and second compressors arranged at the upper and lower portions in an enclosed housing, with the first compressor at the lower part being a rotary compressor. The enclosed compressor is simplified in s...  
WO/2009/096167A1
An expander-integrated compressor (100A) is equipped with a compression mechanism (2), an expansion mechanism (3), a shaft (5), an oil pump (6), and an oil supply amount adjusting mechanism (30). The compression mechanism (2) and the exp...  
WO/2009/096288A1
Provided is a sealed-type scroll compressor, which can improve the assembling precision, productivity, and assemblage of a sealed housing when a divided structure is adopted for the sealed housing and which can realize a housing having d...  
WO/2009/093470A1
A rotary fluid machine (1) is formed by arranging compression sections (20a, 20b) in two tiers. Each compression section has a cylinder (21) having annular compression chambers (C1, C2, C3, C4), and also has an annular piston (22) eccent...  
WO/2009/091897A1
A scroll compressor includes a feature for location of a housing shell section off of one of the scroll compressor bodies. According to this aspect, a scroll compressor comprises a housing including a shell section; scroll compressor bod...  
WO/2009/091880A1
A scroll compressor build assembly is provided. An outer housing includes multiple shell sections that interfit to provide internal steps that provide seating surfaces. One or both bearing members can use the internal seats. The outer ho...  
WO/2009/090888A1
A rotary fluid machine (1) has a first annular piston (22) and a second annular piston (22) which face each other axially. One side of each annular piston (22, 22) is mounted to a surface of a corresponding end plate (22c, 22c). The axes...  
WO/2009/091876A1
A scroll compressor includes an oil separation region generally formed between the motor housing and upper bearing member. A long labyrinth channel is provided with the suction refrigerant gas flow path being redirected to facilitate coa...  
WO/2009/091891A1
A scroll compressor assembly includes a mounting base with a pair of support ribs formed into the mounting base, for structurally strengthening the support provided by the mounting base. The mounting base may either support the scroll co...  
WO/2009/081788A1
A screw compressor in which a medium leakage on the high-pressure side and a thrust load are reduced. The screw compressor (1) has a screw rotor (2, 52) and a plurality of gate rotors (5a, 5b, 5c, 5d). The screw rotor (2, 52) is rotatabl...  
WO/2009/050126A4
A device for varying pressure of a fluid comprising a scroll case (11) containing a fixed scroll (12) and a mobile scroll (13) relatively to the case, and with admission (A) and outlet (B) ports for the fluid, characterized in that it co...  
WO/2009/069611A1
This aims to provide a freezing apparatus which uses a coolant to act through a procedure of a supercritical state and which can augment the degree of freedom for adjusting the coolant circulation rate by the compression elements of a mu...  
WO/2008/152055A9
The orbiting-spiral scroll pump or compressorisprovided with two fixed stages (1, 1') and an internal or middle stage (3) moving with an orbiting movement.These stages areprovided withassociated systems having spirals for example in the ...  
WO/2009/066416A1
A compressor (200) integral with an expander has a closed container (1), a compression mechanism (2), an expansion mechanism (3), a shaft (5), and an oil pump (6). The shaft (5) includes an upper shaft (5s) having an upper eccentric sect...  
WO/2009/066413A1
A compressor (200A) integral with an expander has a closed container (1), a compression mechanism (2), an expansion mechanism (3), a shaft (5), and an oil pump (6). The compression mechanism (2) and the expansion mechanism (3) are connec...  
WO/2009/066410A1
A compressor (200) integral with an expander has a closed container (1), a compression mechanism (2) placed at the upper part of the inside of the closed container (1), an expansion mechanism (3) placed at the lower part of the inside of...  
WO/2009/063890A1
A multi-stage dry pump has pump chambers each including a cylinder and a rotor received in the cylinder, a first rotor shaft functioning as the rotating shaft of the rotors, a fixed bearing for rotatably supporting the first rotor shaft ...  
WO/2009/064042A1
The present invention provides a 2 stage rotary compressor including a hermetic container (101), a 2 stage compression assembly provided in the hermetic container (101 ) and including a low pressure compression assembly (120), a middle p...  
WO/2009/062583A1
The invention relates to a two-stage air compressor, comprising a first compression stage with a low pressure cylinder; a second compression stage with a high pressure cylinder; a connecting element for producing a channel connection fro...  
WO/2009/062366A1
A discharge valve device of a rotary compressor includes two or more cylinders (11, 12) disposed in a casing (2), pistons (16, 17) and sliding vanes (18, 19) provided in the cylinders (11, 12), and a main bearing (21) and an auxiliary be...  
WO/2009/062365A1
A suction device for capacity-controlled rotary compressor, includes a motor, an upper cylinder (12) and a lower cylinder (13) which are placed in a shell body of the compressor, a clapboard (25) fixed between the cylinders, a piston (14...  
WO/2009/024698A3
The invention relates to a refrigeration compressor having a sealed housing defining a suction volume and a compression volume respectively provided on either side of a body (5) contained in the housing, and an oil injection circuit adap...  
WO/2009/044197A3
A multi-stage, clam shell, vacuum pump comprises two housing components (12) which are to be sealingly connected to one another such that an array of chambers extending longitudinally from an inlet region of the pump to an outlet region ...  
WO/2009/061038A1
The present invention provides a 2 stage rotary compressor (100) including a hermetic container (101 ), a 2 stage compression assembly provided in the hermetic container, wherein a low pressure compression assembly (120), a middle plate ...  
WO/2009/061039A1
The present invention provides a 2 stage rotary compressor including a hermetic container (101) defining an outward appearance of the compressor (100), a 2 stage compression assembly provided in the hermetic Container, wherein a low pres...  
WO/2009/050126A1
A device for varying pressure of a fluid comprising a scroll case (11) containing a fixed scroll (12) and a mobile scroll (13) relatively to the case, and with admission (A) and outlet (B) ports for the fluid, characterized in that it co...  
WO/2009/044197A2
A multi-stage, clam shell, vacuum pump comprises two housing components (12) which are to be sealingly connected to one another such that an array of chambers extending longitudinally from an inlet region of the pump to an outlet region ...  
WO/2009/041056A1
A rotary compressor (1) has an annular piston (40) received in a partitioning manner in cylinder chambers (60, 65), or an outer cylinder chamber (60) and an inner cylinder chamber (65), so as to be eccentric relative to a cylinder (35). ...  
WO/2009/040412A1
The invention relates to a vacuum pump comprising a housing (1), a mechanical portion (19) and a pumping portion (22). The pumping portion (22) includes two meshed helical rotors (A, B) each having a helical torsion about a longitudinal ...  

Matches 401 - 450 out of 7,654