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WO/2009/059660A1 |
The invention relates to a pump having a shaft (4) and an impeller (5) arranged on the shaft (4), and a seal (9) arranged between stationary and moving parts of the pump (1), wherein a part (13, 14) of the housing (10, 11) facing the imp...
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WO/2008/152048A1 |
The invention is directed to a bulk materials pump and its use. The pump comprises a housing having a flow path for the bulk materials located between an inlet and an outlet of said housing, wherein said flow path in said housing is furt...
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WO/2008/154079A1 |
An exhauster fan bearing assembly for a pulverized solid fuel firing system includes a pedestal housing having an opening at a top portion, the pedestal housing defining an interior space with access thereto through the opening; a bearin...
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WO/2008/125630A1 |
The invention relates to a side channel compressor (1) comprising a suction channel (14) and a blow-out channel (15). In order to advantageously improve a side channel compressor of the type discussed here with a simple structure that is...
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WO/2008/122781A1 |
The invention is a compression method having characteristics of smooth compression and internal cooling of the gas. Embodiments of the invention employ a cylindrical chamber and an orbiting rotor to create a moving duct or chamber whose ...
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WO/2008/119769A1 |
The invention relates initially to a method for operating a radial turbine (1) with at least two side channels (3 to 3''') to which blower blade wheels (4, 4'), disposed on the same shaft (5), are assigned, with at least two air inlet du...
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WO2008027388B1 |
A vacuum pump includes a housing having an inlet port and an exhaust port, at least one molecular drag stage within the housing, the molecular drag stage including a rotor in the form of a molecular drag disk and a stator that defines a ...
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WO/2008/076421A2 |
A device and a method for creating and/or maintaining an obstruction free upper airway. The device is configured to fit under the chin of a subject adjacent to the subject's neck at an external location corresponding approximately with t...
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WO/2008/018202A1 |
A pump (1) including an impeller (11) having blades (111) on its outer periphery and a rotor magnet (112) on its inner periphery, a motor stator (12) placed facing the rotor magnet (112), a pump casing (13) for partitioning between the i...
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WO/2007/148645A1 |
An outdoor unit (1) for an air conditioner, having improved COP and periodic electric power consumption of the air conditioner, which is achieved by reducing an input to a fan motor of the outdoor unit to enhance static pressure efficien...
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WO/2007/134565A2 |
The invention relates to a conducting unit for gas, comprising a compressor (101) in a soundproof housing (20, 40) that is provided with an intake port (27, 66) and a blow-off port (24, 69, 70). An intake tube (96) can connect the intake...
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WO/2006/077175A1 |
The invention relates to a vacuum side channel compressor (10) comprises a pump stator (14) and a pump rotor (12), which surround a side channel (31, 32, 33, 34). An axial bearing (22) is provided for mounting the pump rotor (12). A seal...
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WO/2006/039894A2 |
The invention relates to a side channel compressor comprising a housing shell (2) and a rotor (3, 45, 48). The rotor is rotationally mounted in relation to the housing such that two ring-shaped sealing points (31,32) are created between ...
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WO/2005/113987A1 |
A pump regulation unit (10) has a valve system which makes it possible to adjust in a variable manner an intake or discharge cross-section independently of the pump intake or discharge pipe.
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WO/2005/059367A2 |
A regenerative pumping mechanism (104) comprises a rotor having a series of blades positioned in an annular array on one side of the rotor (122), and a stator (108) having an annular channel within which the blades rotate. In order to co...
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WO/2005/044456A2 |
A venturi (18) receives incoming material through an inlet tube (12) and subjects the material to pulverization. The material, as it undergoes pulverization, is further subject to moisture extraction and drying. An airflow generator (32)...
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WO/2005/040615A2 |
A differentially pumped mass spectrometer system comprises a mass spectrometer having a plurality of pressure chambers; a vacuum pump attached thereto and comprising at least three pump inlets, a first pumping section, a second pumping s...
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WO/2005/033520A1 |
A vacuum pump comprises a molecular drag pumping mechanism and a regenerative pumping mechanism. A rotor element of the molecular drag pumping mechanism surrounds rotor elements of the regenerative pumping mechanism.
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WO/2004/055376A2 |
A vacuum pumping arrangement comprises a drive shaft, a motor for driving said drive shaft, a molecular pumping mechanism and a regenerative pumping mechanism. The drive shaft is arranged for simultaneously driving the molecular pumping ...
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WO/2004/031587A1 |
The invention relates to a lateral channel compressor (2) comprising a lateral channel housing (24) and an impeller (10), which can rotate inside the lateral channel housing (24) and whose impeller blades (16) are mounted on an impeller ...
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WO/2004/020837A1 |
The invention relates to a fan impeller (4) comprising a base plate (2) and a plurality of fan impeller blades (3) that are fixed to said plate. The fan impeller blades (3) are positioned in an essentially vertical manner on the base pla...
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WO/2004/005722A1 |
A regenerative fluid pump (10) comprises a rotor having rotor blades for compressing fluid on two fluid flow paths, the first of which extends between a first pump inlet (12a) and a first pump outlet (14a), and a second of which extends ...
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WO/2004/005721A1 |
A regenerative fluid pump (10) comprises a rotor having rotor blades for compressing fluid on a fluid flow path extending between a pump inlet (12) and a pump outlet (14), and a stator comprising a plurality of concentric channels (16) e...
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WO/2004/005724A1 |
A regenerative fluid pump (10) comprises a rotor (not shown) having rotor blades for compressing fluid on a fluid flow path between an inlet (12) and an outlet (14) of the pump. The pump (10) comprises multiple circumferential channels (...
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WO/2003/083313A1 |
The invention relates to a compressor unit (1) for a gaseous medium (3), comprising at least one compressor (5) and a drive unit (7) that is coupled thereto, at least one inlet (9) for the gaseous medium (3), and at least one outlet (11)...
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WO/2003/071136A1 |
The invention relates to a side-channel blower which comprises a blower output (14) to which a valve unit (16) is coupled. Said valve unit (16) has at least one permanently open consumer connection (18) and at least one additional connec...
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WO/2003/071137A1 |
A lateral channel compressor comprises a compressor unit (12) with at least one rotor (20) and a drive motor (10) with a motor shaft. A sleeve (26) is fixed to the free end (24) of the motor shaft of the drive motor (10), to which the ro...
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WO/2003/004877A1 |
The invention relates to a side channel compressor comprising an open running wheel (3). The effects of a drop in pressure in the region of the suctioning side (2) are reduced by means of a double-flow side channel compressor with at lea...
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WO/2002/099285A1 |
A mounting device for a side channel ventilator, wherein a drive motor (12) is laterally flange-mounted thereon in a rigid position, comprising a mounting foot (22) on which the drive motor (16) is supported. The mounting foot (22) is ma...
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WO/2002/031360A1 |
The invention relates to a pump which is embodied as a side channel pump, preferably a vacuum pump, essentially comprising a driven rotor (16) and a fixed stator (14). The rotor (16) and the stator (14) define a pump channel circulating ...
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WO/2002/029252A1 |
A two stage compressor with a mixed flow first stage, a centrifugal second stage, and an intermediate duct. The centrifugal rotor (2) has a circumferential array of radially extending centrifugal flow blades (16) between the centrifugal ...
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WO/2002/018793A1 |
The present invention relates to an improved turbocompressor a number of nested compressor stages provide improved efficiency by reducing windage losses.
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WO/2002/016776A1 |
A method of combining an impeller (120) and a shroud (110) includes selecting a rotatable impeller (120) having impeller blades (118) with radially extending distal ends defining a predetermined outer impeller diameter. A shroud element ...
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WO/2001/071194A1 |
A curved blower exhaust conduit (20), delivering an air stream carrying pulverized or granulated entrained solids to a substantially sealed cargo chamber (31) enclosure of fixed volume, is provided with a pressure relief vent (21) mounte...
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WO/2001/018402A1 |
A connector sleeve (17) secured to the backing plate (7a) of a wear-resistant liner (7) facilitates attachment of the liner (7) to the body (9) of a rotor blade by virtue of welding of a thrust collar (20) to a portion of the connector s...
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WO/2001/016491A1 |
A centrifugal pump (10), including a housing having a fluid inlet port (40) for receiving fluid at an initial pressure and an interior chamber defining a central axis. An impeller disk (16) defines first and second inlet areas (22, 24) a...
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WO/2000/071237A1 |
The device has a liquid transportation pump (20) that has an impeller (9) fitted with blades (21) on the side facing the suction opening (11a'), placed inside a closed pump housing (11) containing a suction opening (11a') and an output o...
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WO/2000/068577A1 |
The aim of the invention is to improve the efficiency of a side channel machine which, at the same time, is easier to produce and assemble. A side channel machine with at least one running wheel (4) that is rotationally mounted in the ho...
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WO/2000/059358A1 |
An apparatus and method for moving a flow of air and particulates through a vacuum cleaner. In one embodiment, the apparatus includes a rotary propulsion device (200) having a rotatable hub (211) with a plurality of vanes (213). The flow...
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WO/2000/058629A1 |
Disclosed is a side channel compressor with an inlet (42) for gas and an outlet (44) for compressed gas. Said side channel compressor also comprises a side channel (32) which connects the inlet (42) and the outlet (44) via the flow. The ...
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WO/1999/010656A1 |
The invention relates to a multi-stage side channel pump, the performance of which is optimized by adapting the geometry of each subsequent stage (14) to the specific volume of the medium at the level of the outlet of the preceding stage...
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WO/1998/046886A1 |
Disclosed is a rotary vortical machine, comprising a stator (1) and rotor (2). These two elements define an annular working chamber (3) which is disposed between them and connected to ducts for supplying and draining a working medium. Th...
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WO/1998/041762A2 |
The invention relates to turbomachines and is intended to be used for small turbodrives. The disclosed toroidal turbo comprises a casing, and a rotor attached, leaving a gap, to said casing; these two elements together form a toroidal wo...
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WO/1998/004836A1 |
The invention relates to a side channel compressor which has an impeller (2) arranged to be rotatable in the housing (1) thereof and having a supporting ring (3) provided with transport blades (4). Said supporting ring protrudes at least...
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WO/1998/002663A1 |
The invention concerns a side channel fan (1) with a fan body (3) which is axially connected to an impeller (4) such that the fan body (3) has an entry channel (5) and an exit channel (6) and on the axial connection side (7) of the impel...
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WO/1997/048906A1 |
A side channel blower (1), in particular for supplying combustion air to the auxiliary heater (2) of a motor vehicle, has a body (3) axially connected to an impeller wheel (4). The blower body (3) has an inlet channel (5), an outlet chan...
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WO/1997/022822A1 |
There is provided a high speed rotary valve which is relatively simple in design and which can effectively regulate the flow of fluid under high temperature conditions in such a manner as to produce perturbations in the fluid stream. Suc...
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WO/1997/010441A1 |
The invention concerns a housing for a sound absorber which can be connected to a compressor and in whose inlet and outlet sections sound-absorbing parts are disposed. The sound-absorbing parts can be introduced irrespective of the size ...
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WO/1997/010438A1 |
The invention relates to a housing for a side channel compressor consisting of two halves. The strength of such a housing can be substantially increased by forming at least two radially spaced rings (4 and 5) projecting axially on the fr...
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WO/1997/010440A1 |
The invention concerns a compressor unit comprising a side channel compressor (3), a drive motor (1) connected thereto, and a sound absorber (12) associated with the inlet and outlet (26 and 27) of the side channel compressor (3). The dr...
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