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Patent Searching and Data


Matches 701 - 750 out of 7,688

Document Document Title
WO/2003/027441A1
Rotary fluid machinery, comprising a rotor chamber (14), a rotor (41) stored in the rotor chamber (14), a vane (48) guided by a vane groove formed in the rotor (41), and a piston (47) slidably fitted to a cylinder (44) installed in the r...  
WO/2003/023229A1
Pairs of rotors (R1, R2, R3, R4, R5 and R6) driven rotationally by a motor (22) are disposed in the body (21) of a main pump (20) comprising a multistage Roots dry vacuum pump. A suction opening (23) communicating with the rotor chamber ...  
WO2002059481A3
A shaft load balancing system (10) includes a housing (22) divided into a first chamber (26) at a first operating pressure and a second chamber (28) at a second, lower operating pressure. A shaft (38) passes from the first chamber (26) i...  
WO2002064981B1
A horizontal scroll-type compressor (10) is provided with an oil injection fitting (80) that extends through the compressor shell (12) and communicates lubricating oil to a lubrication passage in the crankshaft (40, 41) for providing lub...  
WO/2003/012298A1
A rotary compressor of an on−vehicle refrigerator, comprising a rotary compressor and a motor stored in a closed container and a drive device for controlling the motor, the motor further comprising a rotor having a rotor core and a neo...  
WO/2003/010436A1
The invention relates to a multistage compressor (1) for compressing gases with a low-pressure region (7) and a high-pressure region (4), whereby the high pressure region (4) comprises at least one reciprocating piston compressor (3), dr...  
WO2002053912A3
A portable air compressor unit (10) having a housing (22) with a rear end (30) and front end (26). The housing (22) includes a rear louver (66) near the rear end (30), an exhaust outlet (74) near the front end (26) and a mid louver (70) ...  
WO/2003/001064A1
The invention relates to a two-stage helical screw compressor having two compressor stages (15, 23) whose rotor housings (21, 29) are arranged so that their axes are parallel to one another and the rotor housings are surrounded at a dist...  
WO2002052205A3
The invention relates to a compressor for refrigerating agents, comprising a housing, and a spiral compressor which is located in the housing and which has a first compressor body that is fixed in the housing and a second compressor body...  
WO2002063168A3
A compressor system having a first compartment for housing relatively quietly operating equipment, and a second compartment for housing relatively noisy operating equipment. The second compartment is substantially closed off from the sur...  
WO/2002/097274A2
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...  
WO2002044562A3
A compressor system (10) includes a housing (12) with a low pressure first chamber (14) and a high pressure second chamber (16). A motor (24) in the first chamber (14) has a shaft (30) that passes into the second chamber (16). A compress...  
WO/2002/070900A1
The invention relates to a water-injected screw compressor, comprising a compressor element (2) with a housing (7) which borders a compression chamber (8) in which two rotors (9, 10) are installed, which, by means of an axle ends (13, 14...  
WO2001011239A3
The invention relates to a vacuum pump aggregate (1), especially for a pneumatic power booster in a motor vehicle brake system, comprising a vacuum pump with a rotor (3) that is rotatably arranged in a pump housing (2), and comprising a ...  
WO/2002/066836A1
The invention relates to a rotary piston machine for compressible media, comprising rotary pistons that are sealed into a common housing and that rotate with one another in a forced manner. Said rotary pistons have a plurality of disc-ty...  
WO/2002/064981A1
A horizontal scroll-type compressor (10) is provided with an oil injection fitting (80) that extends through the compressor shell (12) and communicates lubricating oil to a lubrication passage in the crankshaft (40, 41) for providing lub...  
WO/2002/064389A1
An on-vehicle air conditioner, wherein, cooling is performed by using, for example, a CO¿2? refrigerant and mounting a refrigerating circuit having an electric-driven two-stage compression system compressor even in the cars with less wa...  
WO/2002/063168A2
A compressor system having a first compartment for housing relatively quietly operating equipment, and a second compartment for housing relatively noisy operating equipment. The second compartment is substantially closed off from the sur...  
WO/2002/063171A1
A scroll compressor, wherein a pressure Pm1 (MPa) in a boss part outside space determined by a choke or a flow control valve installed in an oil feed line is set to Pm1=Ps+$g(a), and an $g(a) value in the above expression where the minim...  
WO/2002/061284A1
A scroll compressor, wherein a guide frame for fixing a fixed scroll member (12) comprises a plurality of cylindrical faces (33, 35), a compliant frame (24) for axially supporting an oscillating member (14) inside the guide frame (22) co...  
WO/2002/061285A1
A scroll compressor that is easy of back pressure adjustment and capable of realizing high compression efficiency. The scroll compressor comprises a plurality of compression spaces formed by fixed spiral blades meshing with rotary spiral...  
WO/2002/061286A1
A scroll vacuum pump (1) includes a first stage having a first stage fixed plate (3) with a spiral involute (5), a second stage having a second stage fixed plate (17) with a spiral involute wrap (15), and an orbiting plate (7) having upp...  
WO/2002/059481A2
A shaft load balancing system (10) includes a housing (22) divided into a first chamber (26) at a first operating pressure and a second chamber (28) at a second, lower operating pressure. A shaft (38) passes from the first chamber (26) i...  
WO/2002/057634A1
A compressor (2) for a refrigeration unit having a stator (16), a rotor (40) orbiting in engagement with the stator to cyclically open, fill with refrigerant gas from at least one inlet port (56), compress and discharge compressed refrig...  
WO2002016773A8
The invention concerns a vacuum pump consisting in the assembly of two stator half-shells (101, 102) and two directly mounted end parts (31, 32) with an interposed single-piece continuous pressure seal (33). The pressure seal (33) compri...  
WO/2002/053917A1
The invention relates to a refrigeration compressor that comprises an integral housing, an electric motor housed in said integral housing and comprising a stator and a rotor sitting on a drive shaft, a screw compressor, disposed in said ...  
WO/2002/053912A2
A portable air compressor unit (10) having a housing (22) with a rear end (30) and front end (26). The housing (22) includes a rear louver (66) near the rear end (30), an exhaust outlet (74) near the front end (26) and a mid louver (70) ...  
WO/2002/052205A2
The invention relates to a compressor for refrigerating agents, comprising a housing, and a spiral compressor which is located in the housing and which has a first compressor body that is fixed in the housing and a second compressor body...  
WO2002027152A3
The invention relates to a steam-turbine assembly (2) comprising a vacuum pump device (14), containing a jet pump (26) and a liquid-ring pump (28) positioned in series one behind the other. The steam (D) that accumulates in the assembly ...  
WO/2002/046044A1
The invention relates to a device for emptying food storage containers. The invention is characterised in that the device is embodied as an attachment (1) for a hand-held electrical household appliance, particularly a rod mixer and compr...  
WO/2002/044562A2
A compressor system (10) includes a housing (12) with a low pressure first chamber (14) and a high pressure second chamber (16). A motor (24) in the first chamber (14) has a shaft (30) that passes into the second chamber (16). A compress...  
WO/2002/038960A1
A centrifugal (non-positive displacement) motor pump suitable for use in a small output area with extremely small water volume, rather simple in structure, and small in size, comprising a tubular motor stator (10), a motor rotor (20) hav...  
WO2001075273A3  
WO/2002/027152A2
The invention relates to a steam-turbine assembly (2) comprising a vacuum pump device (14), containing a jet pump (26) and a liquid-ring pump (28) positioned in series one behind the other. The steam (D) that accumulates in the assembly ...  
WO/2002/025115A1
The invention relates to improvements in the drive of a multi-stage screw compressor using independent electronic motors with electronic speed control. A multi-stage screw compressor comprises at least tow stages of compression, each com...  
WO/2002/020987A1
Rotary fluid machinery capable of converting the reciprocating motions of pistons (41) and the rotating motion of a rotor (31) to each other by the engagement of rollers (59) with annular grooves (60), wherein a positive peak value of th...  
WO2002006675A3
The invention concerns a pumping unit wherein the vacuum pump (100) is driven by a motor (3, 4) comprised in a common monobloc housing forming motor housing (5) and oil pan (18) containing a gear assembly (17) for coupling two parallel p...  
WO/2002/020989A1
A hybrid compressor, wherein a one-way clutch (23) is disposed between the output shaft (20) and the rotor (21) of a motor (5) when the motor is of a brushless outer rotor type so that, when the motor (5) is used as a drive source, the r...  
WO/2002/020986A1
Rotary fluid machinery, comprising pistons (37) fitted into and reciprocating in cylinders (33) provided in a rotor (27) and vanes (44) fitted into and reciprocating in vane grooves (43) provided in the rotor (27), wherein the rotor (27)...  
WO/2002/016773A1
The invention concerns a vacuum pump consisting in the assembly of two stator half-shells (101, 102) and two directly mounted end parts (31, 32) with an interposed single-piece continuous pressure seal (33). The pressure seal (33) compri...  
WO/2002/014694A1
The invention relates to a screw-type compressor, comprising a compressor screw housing and two screw rotors with screw bodies which are located in the compressor screw housing and which engage with each other; and with shaft sections on...  
WO/2002/006675A2
The invention concerns a pumping unit wherein the vacuum pump (100) is driven by a motor (3, 4) comprised in a common monobloc housing forming motor housing (5) and oil pan (18) containing a gear assembly (17) for coupling two parallel p...  
WO/2001/098661A1
A scroll compressor comprising a back pressure chamber (HR) formed at the other side of an end plate (12a) of a stationary scroll (12), the stationary scroll (12) being pressed against a revolving scroll (13) by introducing a compressed ...  
WO/2001/094855A1
Disclosed herein is a system and method for controlling the degree of superheat of an air conditioner. The air conditioner includes a compressor controlled in a pulse width modulation manner according to duty control signals, a condenser...  
WO/2001/094859A1
A system for controlling the starting of an air conditioner includes a compressor controlled in a pulse width modulation according to a duty cycle control signal, an electronic expansion valve for expanding refrigerant compressed in the ...  
WO/2001/094857A1
A system includes a compressor and an expansion valve. The exit side of the compressor and the inlet side of the expansion valve are connected by a high pressure conduit, and the exit side of the expansion valve and the inlet side of the...  
WO/2001/087779A1
This invention relates to a device for a household water purifier in which raw water is pressurized and is filtered by means of inverted osmosis, ultra or nanofiltration or the like. The device is provided with a central unit having a fi...  
WO/2001/081765A1
A compressor including a cylinder assembly having a compression space through which suction passages and discharge passages are connected, a rotation driving unit inserted into the compression space of the cylinder assembly to transfer a...  
WO/2001/081766A1
The invention relates to a screw-type vacuum pump (10) comprising two intermeshing screw-type rotors (12, 14) and at least two chambers (20, 21, 22) having different chamber volumes. Two adjacent chambers are directly interconnected by a...  
WO/2001/075273A2
An involute spiral wrap scroll-type device uses two pairs of spiral wrap members connected together at opposite ends of a common rotational shaft. The device can be operated in either an expansion mode or a combination hybrid mode where ...  

Matches 701 - 750 out of 7,688