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Patent Searching and Data


Matches 101 - 150 out of 1,506

Document Document Title
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 (...  
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)...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
WO/2002/018793A1
The present invention relates to an improved turbocompressor a number of nested compressor stages provide improved efficiency by reducing windage losses.  
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 ...  
WO2001071194A8
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
WO/1997/010439A1
A side channel compressor in which the gap (7) between the impeller (2) and the housing sections (1) surrounding the impeller (2) is sealed by a sealing strip (8) fitted in a peripheral groove (9) in the corresponding wall regions of the...  
WO/1996/024772A1
An air movement apparatus (10) comprises a curved body about which air can circulate, the curved body having a rim (12) and, in use, having a lower pressure surface (25) on one side of the rim (12), and a higher pressure surface (26) on ...  
WO/1994/029202A1
An apparatus (10) for transporting and metering particulate material including a transport duct having an inlet (14), an outlet (16), and at least one moving surface located therebetween having a downstream facing drive surface (56). The...  
WO/1994/024488A1
A high efficiency exhauster (12) which is capable of attaining operating efficiencies of up to 70 % when employed in a solid fuel pulverizer firing system (10) that includes a pulverizer (16) which is operative to effect the pulverizatio...  
WO/1994/015101A1
A vortex compressor comprises a housing (1) which is provided with an annular operating channel, an inlet port (2) and a discharge port (3) connected to the annular operating channel, and a cut-off (4) situated between the inlet port (2)...  
WO/1994/011637A1
The invention relates to a compressor set consisting of at least two side-channel compressors (2, 7) in axially adjacent arrangement, each having a casing consisting of at least two casing sections (8, 9) with radially outwardly projecti...  
WO/1994/004826A1
A regenerative pump comprising a casing (11) with an inlet port (2), an impeller (3) having a plurality of blades (14), with each blade (14) provided with an inner edge (26) and an outer edge (25) in the radial direction of the impeller ...  
WO/1993/007390A1
A regenerative pump comprises a housing (1) with a fluid inlet (19) and a fluid outlet, an impeller (12) having a plurality of vanes (13) spaced angularly around the axis of rotation of the impeller (12) and accommodated within a flow ch...  
WO/1992/016752A1
A regenerative compressor has a housing in which an impeller (6) rotates. The impeller has a supporting ring (7) fitted with blades (8) and is connected by a wall section (9) to a hub element (10) which can be placed on a drive shaft (5)...  
WO/1992/011459A1
A floating, self-centering impeller (12) for a turbine pump assembly (10) has a plurality of "D-shaped" recesses (49) arranged in one or more annular rows on its side surfaces (44, 44a) to induce pressurized film between its side surface...  
WO/1992/007191A1
This invention relates to an impeller for a vortex flow blower provided with blades in a three-dimensional shape, formed independently of a blade-casing, and then fixed to said casing, and further relates to a method of making said impel...  
WO/1992/000440A1
A rotary disc pump (10) comprises an outer housing (12) with an inner cylindrical rotor chamber (14) having an inlet (18) at one end and an outlet (20) at its outer periphery. A rotor assembly in the chamber comprises at least two parall...  
WO/1991/015680A1
In a rotor machine used as a pump or motor, annular cavities (4 and 7), located in the stator (1) and the rotor (6) respectively, form a working chamber (8). In the annular cavity (4) of the stator (1) are mounted blades (9) and in the a...  
WO/1991/013820A1
A multiple-chocke unit (10) for transporting and metering particulate material wherein the material is compacted to bridging, disturbed and then recompacted as it is friction-driven through a duct. The duct has two opposed walls (32, 36)...  
WO/1991/006748A1
A regenerative pump (1) and method of introducing fluid in the pump wherein direct flow of fluid from inlet ports (14, 15) of the pump into side channels (10, 11) of the pump is blocked by walls (18, 19) of the pump casing (2) thereby re...  
WO/1990/014558A1
A device (10) for burning bio-masses and/or solid materials has a degassing and flame chamber (12) and a fire area in this chamber to take the materials to be burnt. The feature of this device (10) is that the degassing chamber is also t...  
WO/1989/006318A1
A regenerative rotodynamic compressor has a stator which defines, together with the periphery of an impeller, an annular flow channel of circular cross-section within which is a core ring having a circular cross-section coaxial with and ...  
WO/1988/007277A1
A fast axial gas laser apparatus (1) comprising an at least essentially closed loop (6) defining a flow path for a laser gas, an arrangement for exciting gas flowing in the loop of the apparatus to cause the gas to laser, and a regenerat...  
WO/1988/006240A1
The ventilator comprises a suction pipe (1) which forks into two pipes (2), which open into a cone (4), after which a fan wheel (8) is arranged. The fan wheel is driven by a drive shaft (5) which passes through the cone (4) to the exteri...  
WO/1985/002231A1
A non-vibrational oscillating blade piezoelectric blower (10), including: a piezoelectric bender (12) and means (81, 20) for supporting the piezoelectric bender at its inertial nodes (14, 16). Weights (36) may be attached to the bender t...  
WO/1983/003366A1
Apparatus for substantially increasing the feed rate of pulverized material into a pressurized container. The apparatus includes a rotor (10) that is mounted internal to the pressurized container. The pulverized material is fed into an a...  
WO/1983/002134A1
Apparatus is shown for feeding a slurry to a pressurized housing (12). An impeller (10) that includes radial passages (18) is mounted in the loose fitting housing (12). The impeller hub is connected to a drive means (42) and a slurry sup...  

Matches 101 - 150 out of 1,506