Abstract: A side-channel compressor (1) for a fuel cell system (37) for conveying and/or compressing a gas, in particular hydrogen, having a housing (3), having a compressor chamber (30) which is situated in the housing (3) and which has two encircling side channels (19, 21), having a compressor impeller (2) which is situated in the housing (3) and which is arranged so as to be rotatable about an axis of rotation (4), wherein the compressor impeller (2) has conveying cells (28) arranged at the circumference thereof and in the region of the compressor chamber (30), and having in each case one gas inlet opening (14) formed on the housing (3) and one gas outlet opening (16), which openings are fluidically connected to one another via the compressor chamber (30), in particular the two side channels (19, 21), and wherein, in the region of the compressor chamber (30), an encapsulation of the respective side channel (19, 21) is realized by at least one separation region (35) by means of a surface pairing of the compressor whe

Abstract: A method for determining flow rate of a multiphase fluid. The method includes measuring a first pressure differential (316) of the multiphase fluid flowing through a rotodynamic pump (310) operating at a rotational speed thereby driving the multiphase fluid, measuring a second pressure differential (326) of the multiphase fluid flowing through a portion (320) of a fluid conduit positioned in series with said rotodynamic pump, and determining, based on the first and second pressure differentials and the rotational speed of said rotodynamic pump, a flow rate of the multiphase fluid.

Abstract: A vacuum pump has, in at least either a stator disc to be disposed or a rotating disc to be disposed, a Siegbahn type molecular pump portion in which a spiral-shaped groove with a ridge portion and a root portion is engraved (disposed), and is structured to ensure high conductance at a returning flow channel formed at the outer periphery (outside) of the Siegbahn type molecular pump portion. This structure is created by a communicating portion (a groove portion, a slit) formed on each rotating disc, or an oblique plate disposed on the stator disc and the communicating portion formed on the rotating disc. The “communicating portion,” “groove portion,” and “slit” are configured to have “concave” shapes, a concave portion is provided by engraving a groove radially inward from an outer diameter portion (toward a side of a shaft of the vacuum pump) in the rotating disc (or stator disc).

Abstract: A centrifugal compressor includes a housing, a wheel rotatably provided in the housing, a diffuser that decelerates compressed air and increases its pressure, a throttle portion provided between the wheel and the diffuser, and a scroll. The center of the inner peripheral edge of the diffuser is eccentric toward an area located on a winding start side of the scroll from the shaft center of the wheel toward an area.

Abstract: An apparatus for kinetic energy storage includes an electrical machine operable at least in one of motor mode and generator mode, and at least one energy recovery system for an intermediate storage of a produced kinetic energy and which converts the kinetic energy into an electrical energy, with, the at least one energy recovery system having at least one flywheel body formed as a rotor, and a stator and with at least one of the rotor and the stator being formed as at least one vacuum pump stage.

Abstract: The invention relates to a vacuum pump having at least one molecular pump stage, in particular a Holweck stage, which includes a rotor member which forms the pump-active surface of the molecular pump stage and having at least one side channel pump stage which is arranged downstream of the molecular pump stage and which includes a plurality of rotor elements, wherein the rotor elements of the side channel pump stage are supported by the rotor member of the molecular pump stage. The invention further relates to a vacuum pump having at least one molecular pump stage, in particular a Holweck stage, and having at least one side channel pump stage which is arranged downstream of the molecular pump stage and which includes a plurality of rotor elements, wherein the side channel pump stage is arranged between a pump inlet and the molecular pump stage.

Abstract: A non-clogging type pump impeller includes: a fluid passage provided in an approximately cylindrical body and connecting a suction port to a discharge port. The fluid passage has a vortex shape as viewed from an axial direction. A first recess, which is sunk downwardly in the axial direction, is formed on a first end surface of the approximately cylindrical body so as to surround a boss. A second recess, which is sunk upwardly in the axial direction, is formed on a second end surface of the approximately cylindrical body so as to surround the suction port. At least one communication hole provides fluid communication between the first recess and the second recess. Sewage in the second recess is introduced into the first recess through the at least one communication hole to thereby effectively remove an air pocket trapped on the first end surface of the impeller and in the first recess.

Abstract: A system for converting wind energy to rotational mechanical energy, comprising a conical impeller having multiple spiral vanes on its outer surface, the impeller supported so that it can rotate about its vertical, central axis in response to airflow impinging on the impeller, and connected to a mechanical drive system to transmit energy from the rotation of the impeller to a device that performs useful work using the transmitted energy.

Abstract: A pump for solids handling is provided having a suction liner in combination with an impeller. The suction liner has a suction liner spiral design. The impeller has forward curved impeller suction side pump out vanes.

Abstract: A universal spherical reaction turbine for any flowing fluid at any depths or elevation that is capable of unidirectional rotation under reversible flow conditions. The turbine includes a rotatable shaft that is adapted to rotate about an axis of rotation; turbine blade support members that are fixedly attached to the rotatable shaft and a plurality of meridian turbine blades. The meridian turbine blades are fixedly attached to diametrically-opposite points that define a geometrical north-south meridian axis that is oriented at a skew angle to the axis of rotation of the rotatable shaft. The skew angle is greater than zero and less than 180 degrees, and, more preferably, between 25 and 35 degrees. The skewing ensures that those turbine blades that are attached to the diametrically-opposite points move on a helical trajectory with respect to the axis of rotation.

Abstract: An Archimedean Modular/Multi-Axis Rotor (AMR) is a wind/fluid driven electrical generating device as described which utilizes a single foil rotor and appears in an elongated Archimedean curve tapering at its ends. A plurality of AMR's can be assembled in a multiplicity of tetrahedral or other 3-dimensional type structures that generate electric power. These structures would be manufactured to facilitate easy shipping, handling, assembly, erection and maintenance. The AMR is quiet (no prop buffeting), bird friendly, can accommodate any varying orientations to the wind/fluid direction and continues to operate even when in the direct shadow of adjacent AMR rotors.

Abstract: A turbine assembly is provided assembly having rotor defines a plurality of recesses disposed about an axis of rotation (Ar). Each of the recesses having a wide end and a narrow end. The recesses are disposed in the alternating orientations such that the wide ends and the narrow ends of the adjacent recesses are proximate to one another to minimize wake turbulence, thereby optimizing efficiency.

Abstract: A bezentropic bladeless turbine has a bladeless rotor, a bladeless stator, and a CD nozzle that feeds a rectified molecular, supersonic flow of gas and/or steam into the rotor. Spiral channels are provided in the rotor, which serve to maintain and sustain the rectified molecular flow of the working fluid through the rotor. An energy booster device is assembled at the exit of the CD nozzle, to increase the efficiency of the CD nozzle. The rotor is attached to an output shaft, to convert the kinetic energy of the working fluid to mechanical work. Various fluids, such as steam, Freon, wind, may be used as the working fluid.

Abstract: Disclosed is an assembled helical turbine system, which can prevent its assembly/disassembly from being hindered by a rotational force generated during the assembly/disassembly process. The assembled helical turbine system includes a helical turbine formed with a plurality of blades in such a manner as to continuously generate a rotational force under unidirectional or multidirectional fluid flow; a housing assembly for rotatably supporting the helical turbine while surrounding the helical turbine; stoppers formed on a peripheral surface of the housing assembly in such a manner as to protrude to a predetermined height from the peripheral surface; and a housing supporter for supporting the housing assembly in such a manner that the housing assembly can be inserted into and withdrawn from the housing supporter, the housing supporter having catch grooves that are recessed in a shape corresponding to the stoppers so as to fix the stoppers.

Abstract: A high speed swirling type centrifugal revolving pipeline device, which utilizes a spiral pipeline curling and revolving with different pipe radius and with different radius of curvature, comprising an inlet pipeline, at least two transport pipelines, and at least a pressuring and accelerating pipeline, to serve as transport pipeline for fluid to continue swirling up. At least a driving device is used to drive spiral pipeline. Spiral pipeline design and centrifugal force produced by high speed rotation are used to drive fluid to the highest water level swiftly and stably, to proceed with subsequent conversion of regenerated energy into electrical power.

Abstract: An arrangement for extracting energy from flowing liquid, such as tidal flows, oceanic currents and water flowing in rivers. The arrangement comprises a support device (12) and a turbine device (1) which is pivotally connected to the support device (12) about a substantially horizontal axis (18). The turbine device includes at least one helical turbine (2; 4), each having an axle connected to an energy converter (22; 24). The turbine device (1) has a proximate end and a distal end, the proximate end being pivotally connected to the support device (12), and the distal end being freely movable in a substantially vertical, circular path in the flowing liquid. This enables the turbine device, in use, to adjust to an operational angle with respect to a horizontal plane. The arrangement is characterized in that the distal end of the turbine device (1) is provided with at least one transverse bar (7), stabilizing the operational angle of the turbine device (1).

Abstract: Disclosed is an assembled helical turbine system, which can strengthen weakenings of a housing assembly, and simultaneously can be easily assembled/disassembled. The assembled helical turbine system comprises the housing assembly including a plurality of bearing spiders for rotatably supporting a rotating shaft of a helical turbine, and a plurality of side posts for connecting and fixing the respective bearing spiders to each other, the side posts being fixed in such a manner as to radially protrude by a predetermined length from peripheral surfaces of the bearing spiders; filling members for filling and reinforcing spaces between the peripheral surfaces of the bearing spiders and outlines of protruding portions of the side posts; and a housing supporter for supporting the housing assembly in such a manner that the housing assembly can be inserted into and withdrawn from the housing supporter, the housing supporter having catch grooves that are recessed in a shape corresponding to stoppers.

Abstract: The invention provides hydroturbine guide vanes and a hydroturbine which are capable of achieving high efficiency in a Francis turbine having a low flow rate at the highest efficiency point according to the specifications thereof and, in addition, hardly present a strength problem when regulating the flow rate. The guide vanes includes a plurality of fixed guide vanes having a long chord length and a plurality of movable guide vanes having a short chord length arranged between the fixed guide vanes, and a flow rate regulation including a fully-closed state is performed by rotating the movable guide vanes having the short chord length.

Abstract: An air induction system consisting of a cylindrical main flow tube, a helical vane disposed within the main flow tube, and, preferably, a noise absorbing perforated tube disposed within the main flow tube in concentric relation to the helical vane. The twist direction of the helical vane provides air flow rotation in the same direction of rotation as the turbine wheel. The helical vane causes noise reflection and enhancement of noise attenuation by the perorated tube and its adjoining one or more acoustic cavities.

Abstract: In a turbine for an exhaust gas turbocharger having a turbine housing which has a first and a second spiral channel with the second spiral channel extending over a wrap angle range of less than 360 degrees of a turbine wheel of the turbine, and the first spiral channel having a larger wrap angle range than the second spiral channel and the spiral channels being arranged adjacent each other in at least one angular range which includes the wrap angle ranges, the nozzle has an overall nozzle width via which exhaust gas is admitted to the turbine wheel over a respective partial nozzle width of the spiral channels wherein the partial nozzle width of the first spiral channel is greater than the partial nozzle width of the first spiral channel in the first angular range, at least in a further angular range of the wrap angle range which is different from the at least one angular range.

Abstract: In a centrifugal pump for pumping a fluid with central axial suctioning and radial discharging of the fluid to be pumped out of the impeller, the impeller includes an upper cover plate and a lower cover plate and multiple interposed blades therebetween. In the radial inner region, the blades extend essentially parallel to the rotation axis of the impeller in the axial direction of the pump and thus are upright, wherein said blades in the course radially outwards thereof are increasingly inclined or extend oblique.

Abstract: A turbine, suitable for use as a water or wind turbine, for generating rotary motion from fluid flow wherein the axis of rotation of the turbine is transverse to the direction of flow. The turbine has two foils, which may meet at the axis of rotation, and the turbine is helical and tapered. The turbine has a quasi-conical base. The non-mount end of the turbine is preferably tilted downstream with the turbine axis of rotation in the range of about 5° to 15° from perpendicular to the flow direction.

Abstract: A vertical axis wind turbine having a vertical rotating axle and a plurality of blades each attached to an upper portion to the rotating axle and at the bottom portion to a convex base dome attached to and rotable with the vertical axle. Each blade wraps around the vertical axle and has a radial width that increases from its upper portion to its lower portion while supporting an open brow section forming a cup-like space and a wedge-like stiffener section.

Abstract: The pump rotor (1) comprises a first blade (3), wherein the first blade (3) comprises a first helical-gear blade part (3a) and, adjoining the latter, a first centrifugal-wheel blade part (3b), and said pump rotor (1) comprises a hub (2) with a rotational axis (D), wherein the centrifugal-wheel blade part (3b) is fixedly connected to the hub (2), wherein at least one second blade (4) is provided which comprises a second helical-gear blade part (4a) and, adjoining the latter, a second centrifugal-wheel blade part (4b), wherein the first and the second blades (3,4) have in each case one outer edge (3c,4c), wherein a connecting means (5) connects the first and second blades (3,4) to one another in the region of the outer edge (3c,4c), and wherein the second centrifugal-wheel blade part (4b) is arranged so as to run relative to the hub (2) in such a way that an opening (6) which runs continuously in the rotational direction (D1) is formed between said second centrifugal-wheel blade part (4b) and hub (2), since the

Abstract: A free-surface liquid transfer apparatus for rotating machinery includes a rotating member. The rotating member includes a main shaft defining a hollow inner cavity, an outer cylindrical wall defining a hollow annular cavity in fluid communication with the hollow inner cavity through a plurality of orifices formed on the main shaft, and a slinger formation in fluid communication with the hollow annular cavity through a plurality of radial slots formed through the slinger formation. A central axis of the main shaft, a central axis of the hollow annular cavity, and a central axis of the slinger formation are collinear, and the slinger formation is configured to transmit working fluid received through the plurality of radial slots outward as a continuous film having both tangential and radial velocity components.

Abstract: A helical turbine power generation system is configured to generate electricity by using a helical turbine and an overload prevention generator. More specifically, the helical turbine is rotatably provided in a frame so as to continuously generate a rotation force under unidirectional or multidirectional fluid flow and a step-up gear is configured to increase the rotational velocity of the helical turbine up to a level required for generating electricity. Additionally, an overload prevention generator is incorporated to generate electricity by using the rotational velocity transferred from the step-up gear thereby preventing an overload caused by a sudden increase in the rotational velocity of the turbine.

Abstract: An example impeller includes: an impeller body in which an internal channel is formed, the internal channel extending inside the impeller body in a direction of a rotation axis spirally about the rotation axis to connect an inlet and an outlet; and at least one centrifugal vane provided in the impeller body. The internal channel including the inlet and the outlet has a predetermined passage diameter. An external channel is formed so as to continue to the outlet and go around the circumferential surface of the impeller body, the external channel being defined by the centrifugal vane and being recessed inward in the radial direction from the circumferential surface of the impeller body. At least a part in a flow direction of the external channel has a channel width in the direction of the rotation axis smaller than the width of the outlet.

Abstract: A centrifugal pump mounted in an external housing. The pump has a split housing containing an impeller with outwardly extending vanes that is mounted on a drive shaft. The drive shaft at one end is mounted to a sealed bearing within the external housing and at the other end to a drive.

Abstract: A fan for cooling a circuit board (26) has a fan wheel (10; 10?) that is adapted for rotation about a rotation axis (11) and in a predetermined rotation direction (14), and an outer wall (18) that is rigidly joined to an inner wall (16). Defined between the two walls (16, 18) are curved air-directing conduits (39) that extend from an axial air entrance opening (40) to a radial air exit opening (42). The axial air entrance opening (40) is at a lesser distance from the rotation axis than the radial air exit opening (42), and the air-directing conduits (39) are separated from one another by air-directing blades (30, 32, 34, 36, 38) that each extend, oppositely to the predetermined rotation direction (14), from a point between two adjacent air entrance openings (40) to a point between two adjacent air exit openings (42).

Abstract: An impeller plate of an impeller of a centrifugal pump, particularly a channel impeller pump, for pumping liquids with solid or gaseous admixtures, is provided with at least one wide vane that is displaced toward the impeller drive by a distance D so that the impeller chamber is enlarged by a rearward portion thereof. In addition, the impeller comprises at least one auxiliary vane having a center width at between 25%-75% of the width of the wide vane. This arrangement improves particularly the gas transporting ability of the pump.

Abstract: A wind harnessing system comprises a substantially helical structure including at least a portion of a spiraling groove and at least one energy converter positioned at least partially within the portion of the spiraling groove. In other embodiments, wind grooves formed by adjacent bands which are fixed with respect to one another, carry energy converters which are moveable with respect to these fixed bands.

Abstract: A wind turbine apparatus reactive to fluid flow comprises a turbine assembly (64) rotatably supported for generating energy and a fluid flow control assembly (104, 106, 108, 110, 112) to control fluid flow acting upon the turbine assembly (64). The turbine assembly (64) includes turbine blades (84) that extend from first ends (86) with chords (C) coincident to first end radials (R1) to second ends (88) disposed on second end radials (R2) with the chords (C) coincident to the turbine axis (B). The turbine blades (84) present faces (98) at varying angles of attack between the first end radials (R1) and the turbine axis (B) to always position or present a portion of the turbine blades (84) perpendicularly to fluid flow at various transverse angles to the turbine axis (B).

Abstract: An improved hemodynamic device may be collapsed and implanted percutaneously. The device includes at least one collapsible blade member and a rotary mover for rotating the blade member to provide hemodynamic circulation. In one embodiment of the invention, the blade member rotates within a basket after implantation. The basket may be formed of shape-memory wires.

Abstract: A material delivery apparatus is provided which is capable of delivering a material in a large amount per unit area per unit time without damaging the material, and capable of discharging the delivered material powerfully from the outlet port. A rotary body 30 rotates on the rotation axis, a line 36 (imaginary line) connecting the center point of the round top face 32 and the center point of the round bottom face 34. The rotary body 30 has on the outside peripheral face 31 a spiral fin 50 which rotates together with the rotary body 30. The fin 50 extends from the top end to the rear end (end to end) of the outside peripheral face 31 of the rotary body 30. The fin 50 stretches out from the outside peripheral face 31 of the rotary body 30 close to the inside peripheral face 24 of the casing 20 to cause little leakage of the material through the clearance between the edge of the fin 50 and the inside peripheral face 24. The distance d between the confronting faces of the fin 50 is kept unchanged.

Abstract: In an impeller 11, an inlet portion and an outlet portion are provided at one end side and the other end side in the axial direction, respectively. An inlet 29 is formed in the lower part of the inlet portion, and an outlet is formed in the side face of the outlet portion. The inlet portion and the outlet portion are partitioned by a flange portion 40. The impeller 11 includes a primary vane 36 and a secondary vane 38. The primary vane 36 defines a spiral primary channel 35 that connects the inlet 29 and the outlet. The secondary vane 38 is formed in a shape that a part of the outer periphery of the outlet portion is gouged inward so as to define a secondary channel 37 connected to the primary channel 35 and extending circumferentially around the outer periphery.

Abstract: The invention concerns a side channel compressor for compressing a gas, the side channel compressor comprising a housing (3), a side channel (30) located in the housing (3) for compressing a gas, a gas inlet opening which is formed in the housing (3) and is in flow connection with the side channel (30) for introducing a gas to be compressed, a gas outlet opening (32) formed in the housing (3) for discharging the gas to be compressed from the side channel (30), the gas outlet opening (32) being in flow connection with the gas inlet opening (31) by way of the side channel (30), and a impeller (2) mounted for rotary drive in the housing (3), the impeller (2) having at least two impeller blades (1) disposed in the side channel, wherein at least one impeller blade (1) has a flow recess in its free edge region (47).

Abstract: A pump for moving a liquid including a stator and a rotor which rotates to move at least one helical pumping member. The rotor in rotation is radially supported relative to the stator only by a layer of liquid maintained between the rotor and stator by rotor rotation.

Abstract: A wind harnessing system comprises a substantially helical structure including at least a portion of a spiraling groove and at least one energy converter positioned at least partially within the portion of the spiraling groove. In other embodiments, wind grooves formed by adjacent bands which are fixed with respect to one another, carry energy converters which are moveable with respect to these fixed bands.

Abstract: A beam jet propeller is provided, especially a beam jet propeller which increases the friction force of the fluid by spiral or linear diversion protrusions or diversion grooves on the inner wall of a tube, such that original loose fluid can be twisted together into a beam shape under pressure/rotation/extrusion and form inter-tube pressure. The beam fluid may generate a strong propelling force. Meanwhile, because less air is included in this beam fluid, the bubble friction is smaller and acoustic noise is greatly decreased. The present invention does not adopt a traditional propeller as the propelling device, therefore, the cavitation due to Bernoulli theorem is not generated, and the problem of resistance force and drag force in the fluid is also eliminated. The propelling force is thus greatly increased.

Abstract: A turbine generator system, having: a rotatable base; and a plurality of rotor vanes extending from the rotatable base, wherein each of the rotor vanes have helical tapered inner and outer surfaces, and wherein each of the rotor vanes is curved to catch flow perpendicular to the axis of rotation of the rotatable base and to direct the flow into a vortical flow between the inner surfaces of the rotor vanes.

Abstract: A centrifugal pump may include plural pump stages, each comprising an impeller assembly, a stationary disc assembly and a diffuser assembly, all disposed about an impeller shaft that is driven by a motor. The impeller assembly may include upper and lower impeller shrouds having facing surfaces, and a plurality of impeller vanes extending between the surfaces of the shrouds to define a plurality of flow passages for liquid to flow outwardly from a central hub of the impeller assembly. To assist in pressure recovery of the pump, the distance between the surfaces of the impeller shrouds may increase as the radial distance from the central hub increases.

Abstract: A rotor for use with a fluid flow generator or reactor, said rotor being rotatable about a central axis of the rotor and having a at least one vane arranged, in use, to induce a generally axial fluid-flow into the central axial region of the rotor and an outward flow from the central axial region of the rotor to the outer periphery of the rotor, wherein the at least one vane comprises a vortex generator adapted to accelerate the fluid away from the central axis of the rotor in a vortical motion.

Abstract: A motive inflatable display has a first inflatable compartment, a second inflatable compartment, a third inflatable compartment, a blower and a two position and four opening valve. The second inflatable compartment and the third inflatable compartment are mounted on the first inflatable compartment. The blower is connected to the first inflatable compartment to expend the first inflatable compartment. The two position and four opening valve is connected to the inflatable compartments to expand or flatten the inflatable compartments in turn so that the compartments are able to upraise, down, wave and nod.

Abstract: Method and apparatus for pumping drilling fluid (mud) containing drill cuttings, comprising a centrifugal pump with screw pump accelerator. The screw pump creating positive pressure for centrifugal pump inlet to increase performance. The screw pump mud level fluctuations are compensated by the vertical screw pumping unit. Adjusting the elevation of pump will adjust the quantity of mud pumping, which is not possible with ether one pump alone. Air is allowed to mix with the mud in the centrifugal pump to create air bubbles to decrease density of the mixture and decrease the head pressure.

Abstract: A fluid flow guide element (1) constructed, for example, as a diffuser having an inlet opening (2) and an outlet opening (3) whose respective cross-sectional areas differ from one another. Corresponding to the exterior view shown in FIG. 1, the inside wall surface (4) of the fluid flow guide element (1) is provided with spirally arranged recesses (5) and elevations (6) having an inclination (7) relative to a longitudinal axis (8) of the guide element (1). The recesses (5) and/or elevations (6) have a width that increases or decreases steadily between the inlet opening (2) and the outlet opening (3). This facilitates efficient operation of a fluid flow guide element (1) which simultaneously has both a large opening angle and a reduced design length by achieving a more uniform flow or flow profile due to the spiral arrangement of the recesses (5) and elevations (6).

Abstract: A vertical axis wind turbine wherein the blades of the rotor section of the wind turbine comprise at least sections wherein the blades have a non-linear configuration in the “z” axis. In a preferred embodiment, the blades of the rotor section have a linear trailing edge with a non-linear, and preferably helical, surface configuration. This particular design allows the blades to provide both a rotational force and a positive or negative lift component. Further, the blades define an open area in the center of the rotor section through which air flow can pass in order to create a vertical vortex of air. As such, a more efficient vertical axis wind turbine provided.

Abstract: The present invention is concerned with an axial-flow or mixed-flow inducer (3) which is disposed upstream of a main impeller (2) for improving the suction capability of a pump such as a turbopump. In the inducer (3), a blade angle (?bt) from a tip (T1) to a hub (H1) at a blade leading edge (31) is substantially the same as an inlet flow angle (?1?t) at a designed flow rate.

Abstract: A rotary disc pump for pumping fluid materials, comprises a housing having a front and a back wall forming a chamber with a generally coaxial inlet in the front wall and a generally tangential outlet, an impeller is mounted co-axially within the chamber and comprises a shaft mounted in the back wall of said housing and having an outer end extending from the housing and an inner end within the chamber, at least a first circular which is disc mounted on the inner end of the shaft, and at least a second disc which is mounted in axially spaced relation to the first disc and has an opening in the center thereof, arid a conical member which extends co-axially of the shaft from the first disc toward the second disc.

Abstract: A pump assembly including a pump, a pump frame and a motor, the pump including a pumping member which is mounted in a pump housing, relative rotation of the pumping member with respect to the pump housing causing pumping of fluid, and the motor including a rotor and a stator, operation of the motor causing rotation of the pumping member relative to the pump housing, wherein one or two of the stator, pumping member and pump housing is fixed relative to the pump frame, a resilient support part being provided between the pump frame and each of the other two or one of the stator, pumping member, and the pump housing, the resilient support part or parts permitting movement of the stator, pumping member or pump housing with respect to the pump frame.

Abstract: A turbine rotor has a spiral involute channel formed in a rotor disk. In one embodiment, the channel has an inlet near the center of the disk and an outlet near the periphery of the disk. Working fluid of the turbine enters the channel at the inlet and is directed along the channel where kinetic energy of the working fluid is transferred to the rotor by way of blades positioned within the channel. A series of rotors may be stacked together to form multiple, parallel flow paths through a turbine.