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Patent Searching and Data


Matches 551 - 600 out of 7,670

Document Document Title
WO/2005/088077A1
A rotary type expansion machine (60) is provided with two rotary mechanisms (70, 80). The first rotary mechanism (70) has a displacement volume smaller than that of the second rotary mechanism (80). The first low pressure chamber (74) of...  
WO/2005/088079A1
The upper and lower end surfaces (67b, 67c) of a rotary piston (67) are formed with annular seal grooves (91) extending along the annular end surfaces (67b, 67c), and an annular lip seal (92) is fitted in each of the seal grooves (91). T...  
WO/2005/088078A1
In a compression/expansion unit (30) serving as a fluid machine, a compression mechanism (50) and an expansion mechanism (60) are both received in a single casing (31). A shaft (40) which connects the compression mechanism (50) and the e...  
WO/2005/085642A1
A volumetric compressor (1) of the type comprising a pair of rotors (2) cooperating with each other and housed inside a compressor body (3), in which it is possible to identify a first flange (4), arranged on the suction side of the comp...  
WO/2005/080796A1
A cylinder (2), a roller (4), an upper bearing member (7) and a lower bearing member (8) form a space, the space is partitioned by a vane (5) into working chambers (12). Working fluid is sucked into the working chamber (12) through a suc...  
WO2004099613A3
Suction gas feed assemblies to provide gas to a hermetic compressor are provided. The feed assemblies have capacity for reducing suction noise resulting from suction conduit vibration, valving operation, suction gas pulsing, or the like....  
WO/2005/080756A1
An exhaust heat energy recovery device for an internal combustion engine capable of efficiently recovering exhaust heat energy without increasing the exhaust back pressure of the internal combustion engine and a Brayton cycle device usab...  
WO/2005/080797A1
A compressor comprising a container which encloses a compressor mechanism, a motor and an oil reservoir at its bottom. A wave-suppressing member is provided at the interface between the working fluid and the oil. A plurality of verticall...  
WO/2005/078281A1
A vacuum device used in the field of semiconductor production and capable suppressing power consumption. The vacuum device comprises vacuum containers (10), (11), (12), (13), (14), and (15) having gas inlets and gas outlets, vacuum pumps...  
WO/2005/075829A1
A compressor has an electric motor element section (15) having a rotor (25) and a stator (26) provided on the outer peripheral side of the rotor (25). An oil separation plate (2) is installed on the upper end surface of the rotor (25) wi...  
WO/2005/071268A1
The invention provides a dual inlet screw pump, in which a chamber (18) defines with first and second externally threaded rotors (30, 32) respective fluid flow paths within the chamber (18). This can enable fluid entering the pump via a ...  
WO/2005/065355A2
A compressor assembly includes a shell, a compressor housed within the shell, and a motor drivingly connected to the compressor. In addition, a sensor assembly is provided for monitoring operating parameters of the compressor assembly. P...  
WO/2005/064165A1
Disclosed is a scroll compressor (10) comprising a deformation member (40) for changing the position of at least one of a first scroll (21) and a second scroll (22) of a compressor mechanism (20) in the axial or radial direction of the c...  
WO/2005/064160A1
A reed valve (41) for opening and closing a discharge opening (29) of a compression mechanism (20) has a valve projection section (41b) formed on its head side and moving in and out from the discharge opening (29). The shapes of the disc...  
WO/2005/064166A1
A scroll compressor, wherein a seal ring (18) for forming a back pressure clearance (S3) at the rear of a movable scroll (22) is adjustably positioned on the end plate (25) of the movable scroll (22) at the seal and leak position since, ...  
WO/2005/061899A1
The invention relates to a modular attachment holding system (3, 8) for helical spring compressor groups that has a first fixing device (1), which is provided with means (2) for fastening a first attachment (3), and has a second fixing d...  
WO/2005/061901A1
A freezing cycle has a two-cylinder rotary compressor. One compression mechanism of the compressor has a switching mechanism for switching the pressure in the back face side of a blade to low or high, and when switched to low pressure, t...  
WO/2005/057014A1
The invention relates to a worm compressor comprising an external shell, a compressor worm housing (40) which is arranged wherein and is provided with rotor bores (42, 44) for the compressor rotor, a drive mounted in the external shell (...  
WO/2005/050023A1
A cover member (32) is provided on the side of an upper surface (7e) of the main bearing member (7). A space (31) between a main bearing member (7) and the cover member (32) is a passage through which has lubricated a main bearing (7a) i...  
WO/2005/047704A1
Vacuum pumping apparatus includes a scroll set having an inlet and an outlet. The scroll set includes a first stationary scroll blade (164) and a second stationary scroll blade (170) extending from a stationary plate (16) and separated b...  
WO/2005/042979A1
A rotary dry vacuum pump has had a problem that, when a canned motor is used in a drive section, a reaction produced gas enters inside the canned motor, causing a motor failure that leads to a failure of the rotary dry vacuum pump. A rot...  
WO/2005/043659A2
A fuel cell system (12) wherein a fluid-supplying device (10) supplies a cathode gas (e.g., an oxygen-containing gas) and an anode gas (e.g., a hydrogen-containing gas) to a fuel cell (14). The fluid-supplying device (12) comprises a cat...  
WO/2005/040614A1
A vacuum pumping system (10) comprises a vacuum pump (12) having an outlet (16) for exhausting pumped gases from the pump, and at least one pumping stage (36c); means (40; 42a, 42b) for driving said at least one pumping stage (36c); and,...  
WO/2005/040610A1
A lower balance weight is formed of a thick disk plate having the same outer diameter as that of a rotor. A semicircular recess is provided in an upper end surface of the lower balance weight such that a surface of the rotor which comes ...  
WO/2005/038255A2
The present invention relates to an evacuation apparatus for evacuating a vacuum chamber of a substrate processing apparatus for processing a substrate such as a semiconductor wafer or liquid crystal panel. An evacuation apparatus accord...  
WO/2005/038256A1
A scroll compressor, wherein the external wall curve of the spiral lap of a fixed scroll and the internal wall curve of the spiral lap of a rotary scroll are formed of an involute curve with a base circle radius (a), the internal wall cu...  
WO/2005/031164A1
A projection of an upper bearing member is provided with a porous member, and a lower space between a rotational motor and a compression mechanism is defined into a lower compression mechanism-side space and a lower rotational motor-side...  
WO2004083643B1
The present invention relates to a positive-displacement vacuum pump for evacuating a gas by rotating two rotors synchronously in opposite directions in a non-contact manner. A positive-displacement vacuum pump according to the present i...  
WO/2005/026499A1
A rotary expansion machine (60), comprising two rotary mechanism parts (70) and (80) having displacements different from each other, wherein the outflow side of the first rotary mechanism part (70) with small displacement is connected to...  
WO/2005/024239A1
An air-cooled dry vacuum pump having an excellent heat exchangeability, capable of discharging clean exhaust gases, allowing an installation space to be reduced due to a small and compact size, and reduced in weight, noise, manufacturing...  
WO/2005/019653A1
A booster pump comprises rotors which are made up of a number of multi-lobed rotor elements (11a), (11b), (11c), (11d), (21a), (21b), (21c), (21d), the rotor elements being carried by a common rotary shaft (4a, 4b) passing through a comm...  
WO/2005/019652A1
A vacuum pump comprises a stator housing first and second shafts adapted for counter-rotation within the stator. Each shaft carries a plurality of rotor elements such that the rotor elements on the first shaft intermesh with the rotor el...  
WO/2005/019651A1
The present invention is concerned with a scroll wall arrangement for a scroll compressor. The scroll wall arrangement comprises a fixed scroll having fixed scroll walls and an orbiting scroll having orbiting scroll wall. Scroll wall arr...  
WO/2005/010372A1
In a scroll compressor, a stationary scroll part (2) and an orbiting scroll part (4) that have scroll wraps rising from end plates are engaged with each other to form a compression chamber (5) between the parts. The compressor performs s...  
WO/2005/010373A1
A suction port (40) radially penetrating a cylinder (23) is formed in the cylinder (23) of a compressing mechanism (30). A joint member (43) is installed on an enclosed container (10). The head end surface of the joint member faces a per...  
WO2004054012A3
The invention relates to a device for supplying air to fuel cells, comprising a compressor, which is connected up from the fuel cell and which has at least one compressor casing. Said compressor is provided in the form of a rotary-vane c...  
WO/2005/010371A1
A stationary scroll (40) is constituted of a first stationary side member (41) and a second stationary side member (46). The first stationary side member (41) has a first stationary side wrap (42) and a first outer periphery portion (43)...  
WO/2005/010370A1
A freezer device can be driven by one compressor (10), and the freezer device has a refrigerant circuit (90) with refrigerant circulation routes of plural systems capable of being operated at different refrigerant evaporation temperature...  
WO2004054025A3
The invention relates to a device for supplying air to fuel cells, comprising a compressor, which is connected up from the fuel cell, and an expander, which is connected down from the fuel cell. The compressor is provided in the form of ...  
WO/2005/008070A1
A compressor comprises a cylinder (30) having a compression space therein; a compression member (23) disposed inside the compression space, and rotated with varying a volume (V) of the compression space; a rotational shaft (21) fixed to ...  
WO/2005/005838A1
A compressor comprises two series of screw elements, each series comprising an outer (5;15), an intermediate (6;16) and an inner screw element (7;17), all screw elements having profiled outer/inner surfaces. Working chambers adapted to t...  
WO2004088141A3
The invention relates to a pump (1), such as a vacuum pump or a compressor, comprising a pump housing (18) and at least one pump piston (2, 3) that moves along a circular path. In order to embody a novel pump of said type, the pump pisto...  
WO/2004/113731A1
A vane of a first cylinder chamber (14a) is pressed and urged by a spring member (26). A vane of a second cylinder chamber (14b) is pressed and urged according to a differential pressure between a case inner pressure led to a vane chambe...  
WO/2004/111458A1
Grease sealed-type bearings are used for an air-feeding device, the bearings including those such as a bearing for rotatably supporting a shaft, a bearing for rotatably supporting a rotating scroll, and a bearing for rotatably supporting...  
WO/2004/111453A1
In a compressor, a compressor including a cylinder assembly (301) having an internal compression space, a suction path (310) and a discharge path connected to the compression space; a rotational shaft (140) inserted into the cylinder ass...  
WO/2004/111462A1
A scroll compressor where an oil feeding path (10) is opened in a suction space (3) of a stationary scroll part (2) and an oil collision part (14) is provided in the suction space. A refrigerant and a lubricating oil are sufficiently mix...  
WO/2004/111461A1
A suction port (40) of a cylinder (23) is connected to a suction tube (42), and discharge ports (56, 57) are opened in a closed container (10) to lead a discharge gas to the outside through a discharge tube (14). A suction pressure chamb...  
WO/2004/111454A1
A compressor includes a cylinder assembly (301) having an internal compression space, a suction path (301) and a discharge path connected to the compression space; a rotational shaft (140) inserted into the cylinder assembly in a lengthy...  
WO/2004/111390A1
A compressor includes a compression unit (300) including a cylinder assembly (301) having an internal compression space, a suction path (310) and a discharge path connected to the compression space; a rotational shaft (140) inserted into...  
WO/2004/111456A1
The diameter (d) of an annular seal (11), which divides a back-pressure chamber (12) provided at a rear face of an orbiting scroll component (5) into an inner region (12a) and an outer region (12b), is set equal to or greater than 0.5 ti...  

Matches 551 - 600 out of 7,670