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Matches 651 - 700 out of 7,695

Document Document Title
WO/2004/029523A2
The subject system can provide heat stress relief to individuals operating under, for example, hazardous conditions, or in elevated temperatures, while wearing protective clothing. The subject invention also relates to a condenser for tr...  
WO/2004/029462A1
The invention is intended to enable oilless operation that is indispensable for a pump which is used to supply air to a fuel battery, to enable easy and accurate alignment between the axes of a pump mechanism and a motor, and to reduce t...  
WO/2004/029461A1
A scroll compressor comprises a compression mechanism portion (4), a main shaft (5) for driving the compression mechanism portion (4), an electric motor (7) for driving the main shaft (5), and a journal bearing portion (20) for supportin...  
WO2003083311B1
A motor pump (10) includes a pump head (22) for pressurizing a fluid and an electric motor for driving the pump head. Within the pump head, radial forces produced in two symmetrical pumping zones are balanced against each other to reduce...  
WO2002097274A8
The invention mainly concerns a rotor with reduced wear, and a pump comprising same. Said rotor with axis YY' comprises a blade-holder made of less hard material (37), at least one blade, an element made of a harder material for transmit...  
WO/2004/016997A1
The present invention provides a pumped helium circuit comprising a compressor (14) with a high pressure port (16) and a low pressure port (18) each connected to a supplied equipment (61, 63, 65, 67) to respectively supply compressed hel...  
WO/2004/011808A1
A flow-limiting member (70) on the outer periphery of which a spiral passage (60a) is formed is inserted in a high-pressure oil introducing passage (60) inside an end plate (26a) of a movable scroll (26). The high-pressure oil introducin...  
WO/2004/011809A1
A horizontal rotary-type compressor (1) has an electric compressor main body (3) received in a tightly closed container (2) that is long sideways. The electric compressor main body (3) comprises a horizontally supported rotation shaft (1...  
WO/2004/010001A1
A scroll compressor (1) comprising an electric motor (2), a fixed scroll (3), a swing scroll (4), a low pressure chamber (5) into which suction gas is introduced, and a high pressure chamber (6) into which delivery gas is introduced, whe...  
WO2003083311A3
A motor pump (10) includes a pump head (22) for pressurizing a fluid and an electric motor for driving the pump head. Within the pump head, radial forces produced in two symmetrical pumping zones are balanced against each other to reduce...  
WO/2004/005719A1
A compressor comprises a sealed chamber (210) to which a suction pipe (201) and a discharge pipe (202) are communicated, a motor unit (212) fixed in the sealed chamber (210) and consisting of a stator (216) and a rotor (218) for generati...  
WO/2004/001230A1
A method of operating apparatus for controlling the pressure in a process chamber (10), the apparatus comprising a first pump unit (14) having an inlet in fluid connection with an outlet of said process chamber, and a second pump unit (1...  
WO/2003/106843A1
A scroll compressor wherein in order to control noise and vibration produced due to a variation in the self-rotation torque of a movable scroll (26) and to prevent such control from imposing limitations on the design of vortex shapes, th...  
WO/2003/102422A1
The present invention relates to a compressor and method for operating a compressor comprising a first stage comprising a first stage bypass cavity and a first stage outlet, an intercooling zone in communication with said first stage out...  
WO/2003/100258A1
Dual-shaft vacuum pumps are driven as a rule by asynchronous motors. The asynchronous motor rotors that are configured as cage rotors are relatively heavy and long and must therefore be supported by support bearings. The aim of the inven...  
WO/2003/098128A1
A refrigerating machine comprises a compressor (1) for compressing a working medium that expands in an evaporator (11) via a geared turbine (15).  
WO/2003/095841A1
The invention relates to a compressed gas production installation comprising: at least two compressors (4, 6, 8) which are connected to a compressed gas circuit (12, 20) and, for each compressor (4, 6, 8), a first line (26, 28, 30) for c...  
WO/2003/093675A1
In a compressor having a noise reducing apparatus capable of minimizing noise propagated to the outside of a casing (50), by constructing a bottom cap (53) of a casing (50) as a double wall structure (53, 55) and naturally filling oil in...  
WO/2003/093678A1
According to the invention, a vacuum pump is disclosed comprising a screw-rotor pump having a compression section (8) and an expansion section (7), and wherein a discharge (10) from the compression section communicates with at least one ...  
WO2003036094A3
The invention relates to a vacuum pump, especially for brake servo units in motor vehicles. Said vacuum pump comprises a housing in which a driven plastic rotor is received in a rotatable manner.  
WO/2003/089790A1
A reversible pivoting vane rotary compressor includes a housing (130), and a rotor (140) mounted eccentrically within a chamber (114) to define a cresent shaped compression chamber. A pair of reversible intake and exhaust ports are conne...  
WO/2003/089793A1
A structure for reducing a refrigerant flow loss in a compressor includes a refrigerant channel resistance reducing unit (13) to reduce a refrigerant channel resistance at a lower surface of a rotor (10) facing a compression mechanism un...  
WO/2003/085334A1
A multi-coupled heat pump system comprises a plurality of high-pressure cavity compressors with varying or unvarying frequency, improved oil supply device in parallel for the compressors and improved pre-vaporizing defrosting device. The...  
WO/2003/083311A2
A motor pump (10) includes a pump head (22) for pressurizing a fluid and an electric motor for driving the pump head. Within the pump head, radial forces produced in two symmetrical pumping zones are balanced against each other to reduce...  
WO/2003/083302A1
A scroll type compression mechanism (15) is formed with a communication passageway (46) to which a delivery port (49) opens to allow a refrigerant compressed by the compression mechanism (15) to flow out into a clearance space (18) defin...  
WO/2003/083308A1
A rotary compressor, wherein a peripheral groove (42) allowing the contraction of a casing (10) at a welded position between the shell part (11) and the end plate (12) of the casing (10) is provided in the outer peripheral surface (40) o...  
WO/2003/083309A1
A compressor, wherein a motor (9) and a scroll mechanism (7) connected to the motor (9) through a drive shaft (11) are stored in a casing (5), the drive shaft (11) is rotatably supported on a bearing (41) by supplying lubricant into the ...  
WO2003030296A3
The invention concerns a rotor with axis (YY') comprising a blade-holder made of less hard material (37), at least one blade, an element made of harder material for transmission (39) of a torque supplied by a drive device, for example a ...  
WO/2003/078842A1
A rotary compressor comprising an oscillating piston (28) having noncircular outer circumferential surface, and a cylinder chamber (25) having inner circumferential surface being formed based on the envelope of the outer circumferential ...  
WO/2003/076808A1
A fixed scroll (40) is provided with a fixed lap (41) and an outer periphery (42). The fixed lap (41) is formed in the shape of a volute wall. The outer periphery (42) is formed in the shape of a ring surrounding the periphery of the fix...  
WO2003033761A3
The invention relates to a multi-chamber installation (1) for treating objects under vacuum, comprising an evacuation system (5) that is connected to the chambers (2, 3, 4). To reduce the complexity of the evacuation process, a forepump ...  
WO/2003/074880A1
The present invention relates to a double compressor, and the double compressor comprises a housing, a first rotor supported by metal bearings inside the housing, a planetary rotor provided eccentrically inside the first rotor, wherein a...  
WO/2003/074879A1
A scroll compressor, wherein an oil feed passage (50) to the pressing surfaces of a fixed scroll (21) and a movable scroll (22) is utilized as a high-pressure inlet route when a differential pressure is high, and when the high-pressure i...  
WO/2003/074871A1
A closed compressor formed in a high-pressure dome shape and using supercritical fluid as working fluid, wherein the front head (23) of a cylinder (21) is fixedly connected to a mounting plate (40), the mounting plate (40) is welded to a...  
WO/2003/069130A1
The present invention provides a scroll-type expander that simultaneously performs expansion and re-heating such that efficient expansion is realized and there is no reduction in efficiency caused by pressure loss occurring during the su...  
WO/2003/064859A1
A closed compressor (1), wherein a scroll compression mechanism (2) and an electric motor (3) are fixed to a casing (6) in the state of coming into contact with the internal surface of the casing (6), the contact portions (20, 21) of the...  
WO/2003/060324A1
A compressor (1) having a vibration reducing structure comprising: a hermetic container (10) having a suction pipe (70) and a discharge pipe (11) communicated thereto, a driving force generating means located in the hermetic container (1...  
WO/2003/056181A1
A vane of a compressor which is manufactured by inserting fiber in resin or a metallic vane preform performs a linear reciprocating movement together with revolving rotation of a rolling piston being inserted in a vane slot of a cylinder...  
WO/2003/056183A1
A compressor includes a suction unit for sucking fluid, a compression unit for compressing the fluid sucked through the suction unit, a discharge unit for discharging the fluid compressed in the compression unit, an electric mechanism un...  
WO/2003/054118A1
A process for the production of lube oil basestock wherein a high boiling hydrocarbonaceous feedstock is hydrocracked to produce hydrocarbons boiling in the range of lube oil basestock and the resulting hydrocracker effluent is hot, hydr...  
WO/2003/054391A1
Disclosed is a suction mechanism for a rotary compressor in which one suction pipe is connected to an inside of a compressor in an accumulator and the suction pipe supplies refrigerant to a first compressing unit and a second compressing...  
WO/2003/047894A1
Air conditioner comprises a DC power source, an electric compressor, and an electric compressor drive for converting a current from the DC power source into an alternating current to drive the electric compressor. A shield wire core and ...  
WO/2003/048581A1
A vane (6A, 6B) supporting apparatus for a hermetic compressor supports vanes (6A, 6B) contacting to both cam faces of a dividing plate (5) using torsion bars (11, 12) having square or circular cross sections, and thereby a height of the...  
WO/2003/048583A1
A power generating device, comprising a scroll compressor, wherein a revolving scroll lap (1a) is vertically installed on one face of the revolving lap supporting disk (1b) of a revolving scroll member (1), a revolving disk (2) is connec...  
WO2002097274A3
The invention mainly concerns a rotor with reduced wear, and a pump comprising same. Said rotor with axis YY' comprises a blade-holder made of less hard material (37), at least one blade, an element made of a harder material for transmit...  
WO/2003/044370A1
A vane supporting apparatus for a hermetic compressor elastically supports vanes (6A) contacting to both cam faces of a dividing plate (5) with thin torsion coil springs (11), and forms curved surface portions on upper ends of the vanes ...  
WO/2003/044371A1
A compressor includes a Z-plate (10) which sections an inner space of a cylinder into a plurality of compression spaces to suck, compress and discharge a fluid and vane (6A, 6B) being in contact with both sides of the Z-plate (10) to be ...  
WO/2003/044373A1
A hermetic compressor is disclosed to reduce a production cost, for which low temperature and low pressure gas passes inside a case to reduce a pressure inside the case so that it is not necessary to increase the thickness of the case an...  
WO/2003/042542A1
The invention relates to a method for tempering a screw-type vacuum pump (1) wherein the characteristics of the pump are not substantially altered when the pump is subjected to thermal stress. In order to achieve said aim, the cooling is...  
WO/2003/042540A1
A check valve of a scroll compressor which has a driving unit inserted in a casing and generating a driving force and a compression unit consisting of an orbiting scroll and fixed scroll for compressing and discharging fluid when the dri...  

Matches 651 - 700 out of 7,695