Smooth Runner Surface For Working Fluid Frictional Contact (e.g., Unbladed Runner, Etc.) Patents (Class 415/90)
  • Patent number: 8186937
    Abstract: A turbomolecular vacuum pump (54) comprises a housing (70) and a rotor (52) supported by a bearing arrangement (64) for rotation relative to the housing (70). The bearing arrangement (64) comprises a bearing (72, 74, 76, 78) supported in both radial and axial directions by a resilient support (80) comprising inner (86) and outer (88) annular portions connected by a plurality of flexible members (84), the resilient support (80) having a radial stiffness in the range from 50 to 500 N/mm.
    Type: Grant
    Filed: May 26, 2006
    Date of Patent: May 29, 2012
    Assignee: Edwards Limited
    Inventors: Barrie Dudley Brewster, Chan-Cheong Siew
  • Patent number: 8172502
    Abstract: A fluid pump (10) includes a pumping chamber (14), an inlet (16) and an outlet (18) fluidly connected with the pumping chamber, and a passage (24) fluidly connected between the inlet and the outlet. Fluid flowing through the passage bypasses the pumping chamber. In one example, the fluid pump (10) pumps coolant within a vehicle cooling system between a heater core (23b) and a vehicle engine (23a).
    Type: Grant
    Filed: August 8, 2006
    Date of Patent: May 8, 2012
    Assignee: Cooper-Standard Automotive Inc.
    Inventors: Thomas Lincoln, Dennis Kreft, Timothy Wade
  • Patent number: 8162592
    Abstract: A heat dissipating module includes a rotational member, a stationary member and a driving member. The rotational member is provided with a first air outlet and connected to the driving member. The stationary member is provided with a second air outlet and has plural flow passages. Each of flow passages has an air inlet at an end thereof and a third air outlet at another end thereof. When the driving member actuates the rotational member to rotate, air enters the flow passages of the stationary member via the air inlets to gather at the third outlets. Then, the air is guided outward via the first and the second air outlet for concentrating the air to cool the heat-producing object.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: April 24, 2012
    Assignee: Asia Vital Components Co., Ltd.
    Inventors: Bor-Haw Chang, Chu-Hsien Chou
  • Publication number: 20120093630
    Abstract: A fan assembly includes a nozzle and a system for creating a primary air flow through the nozzle. The nozzle includes an outlet for emitting the primary air flow, and defines an opening through which a secondary air flow from outside the fan assembly is drawn by the primary air flow emitted from the outlet. To allow a parameter of an air flow, formed from the combination of the primary and secondary air flows, to be adjusted by a user, the nozzle has an adjustable configuration.
    Type: Application
    Filed: October 17, 2011
    Publication date: April 19, 2012
    Applicant: Dyson Technology Limited
    Inventors: Nicholas Gerald Fitton, James John Thorn, Tmothy Nicholas Stickney
  • Publication number: 20120093629
    Abstract: A fan assembly includes a nozzle and a system for creating a primary air flow through the nozzle. The nozzle includes at least one outlet for emitting the primary air flow, and defines an opening through which a secondary air flow from outside the fan assembly is drawn by the emitted primary air flow and which combines with the primary air flow to produce a combined air flow. The nozzle includes a user operable device for allowing a user to adjust selectively at least one parameter, for example at least one of the profile, the orientation and the direction, of the combined air flow.
    Type: Application
    Filed: October 17, 2011
    Publication date: April 19, 2012
    Applicant: Dyson Technology Limited
    Inventors: Nicholas Gerald FITTON, James John THORN, Timothy Nicholas STICKNEY
  • Patent number: 8152442
    Abstract: A molecular spiral-type vacuum pumping stage comprises a rotor disk having smooth surfaces cooperating with a stator. The stator is provided with a plurality of spiral channels at least on the surface facing the rotor disk, wherein the gas to be pumped flows in centripetal direction. The cross-section area (?) of the channels is reduced from the center towards the outer periphery of the stator. Due to this arrangement, it is possible to avoid the reduction of the internal gas flow velocity along the pumping stage and the related risk of internal compression or re-expansions, this limiting the power losses. The present invention also refers to a vacuum pump comprising at least one pumping stage as described above.
    Type: Grant
    Filed: December 24, 2008
    Date of Patent: April 10, 2012
    Assignee: Agilent Technologies, Inc.
    Inventors: John C. Helmer, Silvio Giors
  • Publication number: 20120051884
    Abstract: The present invention provides an improved air blowing device formed by a base housing and a motor driving an impeller to create an air flow. A hollow housing is mounted on the base at a connection point. The housing assumes a substantially triangular configuration with the apex of the triangle forming the connection with the base and the forming the top of the housing. The housing is provided with an air discharge slot opening formed by an outer extended flat side wall and an inner shortened flat side wall. The air flow created by the motor impeller enters the hollow housing and exits through the air discharge slot opening thereby creating a collimated beam of air forward of the air blowing device.
    Type: Application
    Filed: August 28, 2010
    Publication date: March 1, 2012
    Inventors: Eric Junkel, Zhixiang Kuang
  • Publication number: 20120034066
    Abstract: A vacuum pump includes: a pump main body; a control unit which drives and controls the pump main body; a connector device including a first connector member on the pump main body side and a second connector member on the control unit side, at least one of power and a control signal being input and output between the pump main body and the control unit; and a connector attachment member attached to the pump main body coaxially with the pump shaft center between the pump main body and the control unit, the first connector member being attached to the connector attachment member. The connector attachment member is attached to the pump main body at one of a first phase of attachment and a second phase of attachment depending on a phase of attachment of the pump main body and the control unit.
    Type: Application
    Filed: October 17, 2011
    Publication date: February 9, 2012
    Applicant: SHIMADZU CORPORATION
    Inventor: Masahito Kogame
  • Patent number: 8106354
    Abstract: The invention refers to a mass spectrometer arrangement (10) comprising a housing (86) having a mass spectrometer forevacuum vacuum chamber (20) with a mass spectrometer forevacuum outlet (30), at least two mass spectrometer high-vacuum vacuum chambers (21, 22, 23), and an integrated turbomolecular pump (12) connected with the high-vacuum vacuum chambers (21, 22, 23) and having a forevacuum outlet (89). The two forevacuum outlets (30, 89) open into a common forevacuum chamber (98) in the housing (86), which in turn opens into a housing outlet (88).
    Type: Grant
    Filed: June 3, 2008
    Date of Patent: January 31, 2012
    Assignee: Oerlikon Leybold Vacuum GmbH
    Inventors: Markus Henry, Christian Beyer
  • Patent number: 8105013
    Abstract: A vacuum pump comprises a first pumping section 106, and, downstream therefrom, a second pumping section 108. The pump comprises a first pump inlet 120 through which fluid can enter the pump and pass through both the first and second pumping sections towards a pump outlet, and a second pump inlet 122 through which fluid can enter the pump and pass through only the second pumping section towards the outlet. The second pumping section 108 comprises at least one turbo-molecular pumping stage 109a, 109b and, downstream therefrom, an externally threaded rotor 109c.
    Type: Grant
    Filed: January 9, 2006
    Date of Patent: January 31, 2012
    Assignee: Edwards Limited
    Inventor: Ian David Stones
  • Publication number: 20120014779
    Abstract: A pump is disclosed having one or more rotating discs within a housing. The discs have a plurality of relatively small surface perturbations covering at least half of one side of their surface. The perturbations may be recessed or raised. In operation, a boundary layer is formed near the surface of the rotating discs. The fluid within the pump flows in a circular and outward direction, thus moving fluid from a central coaxial inlet to an outlet located at the peripheral wall of the housing. The surface perturbations produce turbulence within the boundary layer during operation. The pump is suitable for pumping liquids with entrained gases, liquids with entrained solids, liquids with both gases and solids, and thick liquids.
    Type: Application
    Filed: July 16, 2010
    Publication date: January 19, 2012
    Inventor: Charles David Gilliam
  • Patent number: 8083051
    Abstract: A bulk materials pump feeder having a housing and a rotating drive rotor for transferring material from an inlet to an outlet of the housing. The drive rotor has a hub. Drive disks extend away from the hub toward a housing inner wall. Three structural features of the feeder reduce the tendency of material to jam between the drive rotor and the housing or other stationary parts. First, the distance between the circumferential edges of the drive disks and the housing inner wall increases from the inlet to the outlet in the direction of rotation of the drive rotor. Second, a low-friction brush seal disposed on the periphery of the drive disks seals the area between the periphery of the drive disks and the inner wall. Finally, a materials scraper having a flexible tip is mounted in the housing and extends into the drive rotor between the drive disks.
    Type: Grant
    Filed: November 29, 2007
    Date of Patent: December 27, 2011
    Assignee: K-Tron Technologies, Inc.
    Inventors: Timothy R. Baer, James T. Foley
  • Publication number: 20110311348
    Abstract: A multi-inlet vacuum pump includes a first pump device (10) including a first rotor element (18) with a plurality of first rotor disks (20) serially arranged in the conveying direction (36), and a second pump device (12) including a further rotor element (26) with a plurality of second rotor disks (28) serially arranged in the conveying direction (36). A diameter of the second rotor disks (28) is at least partially larger than a diameter of the first rotor disks (20). A main inlet (32) sucks in a first fluid stream (34) with the first pump device (10). The first fluid stream (34) is conveyed in the direction of the further pump device (12). An intermediate inlet (38) sucks in a second fluid stream (40) with the second pump device (12). The second fluid stream (40) is conveyed in the direction of a pump outlet. A process of merging the two fluid streams (34,40) will occur within the second pump device (12), preferably between two adjacent second rotor disks (28) of the second pump device (12).
    Type: Application
    Filed: February 23, 2010
    Publication date: December 22, 2011
    Applicant: OERLIKON LEYBOLD VACUUM GMBH
    Inventors: Christian Beyer, Markus Henry, Heinz Englaender
  • Patent number: 8070418
    Abstract: A vacuum pump includes a gas inlet, a quick-rotatable rotor connectable with a flange of a multi-chamber vacuum installation which flange has a plurality of suction openings separated by separation walls, and a gas path separating structure which is located in the gas inlet of the pump, dividing the gas inlet in suction regions, and which seals, together with the separation walls, chambers of the multi-chamber vacuum installation.
    Type: Grant
    Filed: September 19, 2008
    Date of Patent: December 6, 2011
    Assignee: Pfeiffer Vacuum GmbH
    Inventor: Andeas Zipp
  • Patent number: 8070419
    Abstract: A molecular spiral-type vacuum pumping stage comprises a smooth surfaces rotor disk cooperating with a stator body. The stator body comprises a plurality of spiral channels on at least one surface facing the rotor disk. The cross-section area (?) of these channels are reduced from the center to the outer periphery of the stator body so that the condition is satisfied according to which the internal channel speed, i.e. the product of the channel cross-section area and half the rotor velocity normal to the aforesaid area, is constant throughout the channels. Due to this arrangement, it is possible to avoid the risk of internal compression or re-expansions, this limiting the power losses. The present invention also refers to a vacuum pump comprising at least one pumping stage as described above.
    Type: Grant
    Filed: December 24, 2008
    Date of Patent: December 6, 2011
    Assignee: Agilent Technologies, Inc.
    Inventors: John C. Helmer, Silvio Giors
  • Publication number: 20110293401
    Abstract: A turbomolecular pump includes: a rotor (30) formed with rotating blades (32) in a plurality of stages, and rotating at high speed; a plurality of fixed blades (33) arranged along axial direction of the pump so as to alternate with respect to the rotating blades (32); a pump housing (34) containing the rotating blades (32) and the fixed blades (33), and formed with an inlet opening (21a); a circular disk (150), provided close to the inlet opening of the rotor (30), and arranged so as to oppose a surface of the rotor (30) radially inward than a root portion of the rotating blades; and a cylindrical mesh structure (153a, 153b), disposed between the inlet opening (21a) and the rotor (30), and made by interlacing fine wires. Particles that strike the rotor and bounce off are captured internally in the mesh structure (153a, 153b).
    Type: Application
    Filed: February 5, 2010
    Publication date: December 1, 2011
    Applicants: TOKYO ELECTRON LIMITED, SHIMADZU CORPORATION
    Inventors: Yukiteru Sekita, Kazuma Kubota, Tsuyoshi Moriya, Eiichi Sugawara
  • Publication number: 20110286833
    Abstract: A vacuum pump has the outer side of the pump housing provided with retaining elements. These serve to receive at least one mass element. With these mass elements, which are preferably arranged asymmetrically with respect to the longitudinal axis of the vacuum pump, vibrations that occur can be suppressed.
    Type: Application
    Filed: April 20, 2011
    Publication date: November 24, 2011
    Inventors: Holger Dietz, Gerhard-Wilhelm Walter
  • Patent number: 8052376
    Abstract: A turbo-molecular pump that enables reliable suppression of attachment of depositions onto component parts thereof. The turbo-molecular pump discharges a deposition-causing gas from a processing chamber. A rotor has a rotor shaft aligned with an exhaust stream. A cylindrical casing houses the rotor therein. A plurality of blade-form rotor blades projects from the rotor orthogonally with respect to the rotor shaft and are divided into a plurality of rotor blade groups. A plurality of blade-form stator blades projects orthogonally with respect to the rotor shaft from a rotor-facing surface and are divided into a plurality of stator blade groups. Gas supply ports are located on an upstream side of the rotor blade group that is located furthest downstream in the exhaust stream, and supply a deposition-suppressing gas which includes gas molecules having a large molecular weight.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: November 8, 2011
    Assignee: Tokyo Electron Limited
    Inventors: Jun Yamawaku, Tsuyoshi Moriya
  • Patent number: 8052373
    Abstract: A control mechanism for moving at least two components of a gas turbine engine, the control mechanism comprises first and second crankshafts and a torsion bar connected to both crankshafts, each crankshaft is connected to a different component, the crankshafts engage one another via one-way abutment means and the torsion bar is pre-twisted so that up to a predetermined rotational extent the two crankshafts rotate together and beyond that extent only the first crankshaft rotates, thereby one of the two components moves more than the other component.
    Type: Grant
    Filed: May 21, 2009
    Date of Patent: November 8, 2011
    Assignee: Rolls-Royce PLC
    Inventors: Crispin D. Bolgar, Michael J. Sheath
  • Patent number: 8011880
    Abstract: The invention relates to a vacuum pump in which the gas bearing is coated with a hard layer, and to a process for preparing such gas bearing of a vacuum pump.
    Type: Grant
    Filed: April 19, 2007
    Date of Patent: September 6, 2011
    Assignee: Oerliken Leybold Vacuum GmbH
    Inventors: Roland Blumenthal, Michael Froitzheim
  • Patent number: 7997853
    Abstract: A rotary pressure transfer device utilizes a multi-channel, generally cylindrical rotor (15) that revolves with its flat end faces juxtaposed with flat end surfaces of a pair of flanking end covers (19, 21) in which inlet and outlet passageways are provided. The design is such that there are only oblique ramps (65) in the passageways on the high pressure side which create directional flow of liquid to cause rotor revolution in the desired direction. Passageways (27a, 27b) on the low pressure side may be shaped so that there is essentially axial or longitudinal flow entry and discharge of liquid between the channels and the passageways, or passageways (71) may be constructed to create directional flow that slightly retards rotor revolution in such desired direction.
    Type: Grant
    Filed: April 5, 2010
    Date of Patent: August 16, 2011
    Assignee: Energy Recovery, Inc.
    Inventors: Gonzalo G. Pique, Richard L. Stover, Jeremy G. Martin, Juan Miguel Pinto
  • Publication number: 20110176910
    Abstract: The flexibly-mounted turbomolecular pump comprises a leaktight casing mounted on a structure via a mechanical damper, a vertical support driven by an electric motor, radial magnetic bearings, an axial magnetic bearing, radial detectors, an axial detector, an emergency mechanical bearing, and a control module comprising power supply circuits and servo-control circuits for the axial and radial magnetic bearings. The servo-control circuits present low stiffness and include filter circuits for defining a limited passband. The control module comprises a comparator unit for detecting abnormally large movements of the rotor from signals delivered by the axial and radial detectors, which movements are greater than predetermined thresholds.
    Type: Application
    Filed: September 21, 2009
    Publication date: July 21, 2011
    Applicant: SOCIETE DE MECANIQUE MAGNETIQUE
    Inventors: Ulrich Schroeder, Maurice Brunet, Olivier Lemarchand
  • FAN
    Publication number: 20110164959
    Abstract: A bladeless fan assembly for creating an air current includes a nozzle mounted on a base housing a device for creating an air flow through the nozzle. The nozzle includes an interior passage for receiving the air flow from the base and a mouth through which the air flow is emitted. The nozzle extends about an axis to define an opening through which air from outside the fan assembly is drawn by the air flow emitted from the mouth. The nozzle includes a surface over which the mouth is arranged to direct the air flow. The surface has a diffuser portion tapering away from the axis, and a guide portion downstream from the diffuser portion and angled thereto.
    Type: Application
    Filed: March 17, 2011
    Publication date: July 7, 2011
    Applicant: Dyson Technology Limited
    Inventors: Nicholas Gerald FITTON, Frederic Nicolas, Peter David Gammack
  • Publication number: 20110150629
    Abstract: A stator-rotor arrangement for a vacuum pump, in particular for a turbomolecular pump, includes a plurality of stator disks (18) that cooperate with a rotor element (14). The stator disks (18) are disposed between rotor disks (16). The stator disks (18) are held by way of stator rings (20, 22). At least two of the stator rings (20) include protrusions (24) that are connected together by way of holding elements (28, 30). This makes pre-installation of the rotor-stator arrangement (12) or placement of the rotor-stator arrangement (12) in a housing (10) possible. The protrusions (24) are disposed in the area of corners (32) of the housing (10).
    Type: Application
    Filed: August 25, 2009
    Publication date: June 23, 2011
    Applicant: OERLIKON LEYBOLD VACUUM GmbH
    Inventors: Peter Klingner, Markus Henry
  • Patent number: 7963744
    Abstract: A rotor for a screw vacuum pump has a threaded body in which a central cavity is formed. A coolant is supplied to the cavity from a supply line provided in a shaft attached to the body. A coolant flow guide, which may be either separate from or at least partially integral with the shaft, is located within the cavity. The flow guide has an outer surface adjacent, preferably in contact with, the body to enable heat to the transferred from the rotor to the guide. The guide also has an inner surface defining a bore, and defines at least in part a plurality of axially extending slots radially spaced from and in fluid communication with the bore. In use, coolant flows into the cavity through the bore of the guide, and out from the cavity through the axially extending slots, extracting heat from the guide as it flows both into and out form the cavity. The discharged coolant is conveyed form the slots into a discharge line located within the shaft.
    Type: Grant
    Filed: August 17, 2005
    Date of Patent: June 21, 2011
    Assignee: Edwards Limited
    Inventor: Michael Henry North
  • Patent number: 7927066
    Abstract: A reflecting device that enables to prevent infiltration of particles into a processing chamber. The reflecting device is disposed in a communicating pipe. The communicating pipe allows the processing chamber of a substrate processing apparatus and an exhaust pump to communicate with each other. The exhaust pump has at least one rotary blade. The reflecting device comprises at least one reflecting surface. The at least one reflecting surface is oriented to the exhausting pump.
    Type: Grant
    Filed: March 2, 2006
    Date of Patent: April 19, 2011
    Assignee: Tokyo Electron Limited
    Inventors: Tsuyoshi Moriya, Takahiro Murakami, Yoshiyuki Kobayashi, Tetsuji Sato, Eiichi Sugawara, Shosuke Endoh, Masaki Fujimori
  • Publication number: 20110038707
    Abstract: A bladeless pump for fluids, such as gases that may contain particulate matter, drivable by a motor, consisting of an assembly of rotors or discs stacked against each other. Each rotor/disc has a runner portion on an outer area separated from its center, and a central portion having two or more spokes, divided by openings. The spokes are typically thicker than the rest of the discs. When many discs are placed together and spun on a motor-driven axle, air may be drawn in adjacent the rotor assembly, to the inter-disc openings, and compressed as it enters the area A spiral-shape volute is provided adjacent the outer ?M of the disc assembly, receiving pressurized air and releasing it from a motor housing. Applicant's bladeless pump may include a base for receiving the rotor housing and the motor, which may include a housing to substantially enclose the motor and its housing.
    Type: Application
    Filed: May 15, 2008
    Publication date: February 17, 2011
    Inventor: Ralf W. Blackstone
  • Publication number: 20110027069
    Abstract: Utility Model Patent for a hybrid turbine that consists in a Tesla turbine improved with the replacement partial or total of its smooth discs by innovative discs called ‘Pelton type discs (2)’. The parts of the Tesla turbine are: stator, shaft, inlet, exhaust outlet (4) and smooth discs (2). The disc (2) with an innovative format, object of this patent, owns the characteristics of the Pelton Wheel, once it owns cavities (1) that are hit by the working fluid. The ‘Pelton type’ discs (2) have as purpose to increase the torque provided by the shaft of the turbine and it is an improvement of the Tesla turbine that makes it useful for many applications and improve its efficiency in applications which demands bigger torque that furnished by the original Tesla turbine. The proportion between ‘Pelton type’ discs (2) and smooth discs, used in the turbine, defines the increase of torque.
    Type: Application
    Filed: March 6, 2008
    Publication date: February 3, 2011
    Inventors: Heraldo da Silva Couto, Julio Cesar Batista
  • Publication number: 20110020109
    Abstract: This disclosure is related with propeller noise and cavitation abatement in applications like propulsion, ventilation, pumping or turbine systems on liquid or gas fluids working like a propellers, pumps, fans or turbines, by novel techniques that allows a stronger propellers and improves laminar flow and allow a smooth acceleration or deceleration of the liquid or gas by means of a propeller that consist on a rotating cylindrical block with one or more tunnels around it axis, said cylindrical block also may have flow separators structures at both input and output that helps to keep laminar flow of the fluid or gas with it surrounding media, having This rotating cylindrical block tunnels with either circular or irregular oval section that accelerates fluid or gas by means of both combined centrifugal and axial movement.
    Type: Application
    Filed: July 16, 2010
    Publication date: January 27, 2011
    Inventor: Jose Angel Acosta
  • Patent number: 7866940
    Abstract: 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 section downstream from the first pumping section, and a third pumping section downstream from the second pumping section, an outlet from a first, relatively low, pressure chamber being connected to a first pump inlet through which fluid can enter the pump from the first chamber and pass through the first, second and third pumping sections towards a pump outlet, an outlet for a second, medium pressure chamber of the spectrometer being connected to a second pump inlet through which fluid can enter the pump and pass through, of said sections, only the second and third pumping sections towards the pump outlet, and an outlet for a third, highest pressure chamber of the spectrometer being connected to a third pump inlet through which fluid can enter the pump and pass through, of sai
    Type: Grant
    Filed: September 23, 2004
    Date of Patent: January 11, 2011
    Assignee: Edwards Limited
    Inventors: Ian David Stones, Nigel Paul Schofield, Martin Nicholas Stuart
  • Publication number: 20100310357
    Abstract: Disclosed is an actinic (radial) fluid drive (AF) which can replace any propeller used, e.g. for fans, ventilators, pumps, hydraulic power plants and wind power plants (repeller), watercraft and aircraft (boats, helicopters, etc.) and can also reduce form drag (in tips of rockets, etc.) or wave-making resistance (in bulbous bows of ships, etc.).
    Type: Application
    Filed: December 2, 2008
    Publication date: December 9, 2010
    Inventor: Nikolaos Papageorgiou
  • Patent number: 7837432
    Abstract: An exhausting system and an exhausting pump connected to a processing chamber of a substrate processing apparatus are provided. The exhausting pump is provided with at least one rotary blade and a cylindrical intake part disposed at the processing chamber side from the rotary blade. The exhausting pump includes a reflecting device disposed inside the intake part and having at least one reflecting surface oriented to the rotary blade.
    Type: Grant
    Filed: December 31, 2008
    Date of Patent: November 23, 2010
    Assignee: Tokyo Electron Limited
    Inventors: Tsuyoshi Moriya, Takahiro Murakami, Yoshiyuki Kobayashi, Tetsuji Sato
  • Patent number: 7824149
    Abstract: A turbine has a hollow conical rotor sealed by a base end cap. The outer race of a bearing is centered and mounted on the end cap. An intake shaft mounted within the bearing's inner race passes through the race. High-pressure fluid introduced into a passage within the intake shaft passes through a nozzle arm and nozzle mounted on the intake shaft within the interior of the rotor and is directed by the nozzle against the inner surface of the rotor. Friction and adhesion between the fluid and the inner surface transfers kinetic energy to the rotor, causing it to rotate. Fluid is exhausted from the interior of the cone through a passage in an output shaft attached to the apex of the rotor. Mechanical power may be extracted from the rotating output shaft directly, or through pulleys, gears, or other means. The turbine may be enhanced by addition of a cylinder between the base of the cone and the end cap, providing more surface area for energy exchange.
    Type: Grant
    Filed: November 20, 2006
    Date of Patent: November 2, 2010
    Assignee: Momentum Technologies Corporation
    Inventor: Christopher Brewer
  • FAN
    Publication number: 20100254800
    Abstract: A bladeless fan assembly (100) for creating an air current comprises a nozzle (1) mounted on a base (16) housing means for creating an air flow through the nozzle (1). The nozzle (1) comprises an interior passage (10) for receiving the air flow from the base (16) and a mouth (12) through which the air flow is emitted. The nozzle (1) extends about an axis to define an opening (2) through which air from outside the fan assembly (100) is drawn by the air flow emitted from the mouth (12). The nozzle (1) comprises a surface over which the mouth (12) is arranged to direct the air flow. The surface comprises a diffuser portion (46) tapering away from the axis, and a guide portion (48) downstream from the diffuser portion (46) and angled thereto.
    Type: Application
    Filed: September 15, 2009
    Publication date: October 7, 2010
    Applicant: Dyson Technology Limited
    Inventors: Nicholas Gerald FITTON, Frederic NICOLAS, Peter David GAMMACK
  • Patent number: 7798788
    Abstract: The present invention relates to the field of high rotation speed vacuum pumps, which are fastened to and connected to a structure such as a vacuum enclosure or a pipe to generate a hard vacuum. It consists in an annular fixing flange including holes cooperating with headed bolts to fasten a vacuum pump to a structure. The flange comprises an upper ring and a lower ring cooperating to clamp the end of the pump body between the upper ring and the lower ring, and at least one first cavity in a face of the upper ring that is in a plane perpendicular to that of the face of the upper ring intended to come into contact with the wall of the structure. The invention also consists in a fixing system comprising an annular flange disposed coaxially with the pump body around the inlet orifice of the pump.
    Type: Grant
    Filed: November 8, 2006
    Date of Patent: September 21, 2010
    Assignee: Alcatel
    Inventors: Nicolas Varennes, Olivier Dauvillier
  • Publication number: 20100226801
    Abstract: A fan assembly for creating an air current includes a base having an air inlet and an air outlet, the base housing an impeller and a motor for rotating the impeller to create an air flow passing from the air inlet to the air outlet. The fan assembly further includes a vertically oriented, elongate annular nozzle including an interior passage having an air inlet for receiving the air flow from the base and a mouth for emitting the air flow, the nozzle defining an opening through which air from outside the fan assembly is drawn by the air flow emitted from the mouth.
    Type: Application
    Filed: March 3, 2010
    Publication date: September 9, 2010
    Applicant: Dyson Technology Limited
    Inventor: Peter David Gammack
  • Publication number: 20100226752
    Abstract: A fan assembly for creating an air current includes an air inlet, an air outlet, an impeller and a motor for rotating the impeller to create an air flow passing from the air inlet to the air outlet. The air outlet includes an interior passage for receiving the air flow and a mouth for emitting the air flow. The air outlet defines an opening through which air from outside the fan assembly is drawn by the air flow emitted from the mouth. The motor has a rotor which, in use, is capable of rotating at a speed of at least 5,000 rpm.
    Type: Application
    Filed: March 3, 2010
    Publication date: September 9, 2010
    Applicant: Dyson Technology Limited
    Inventors: Peter David Gammack, James Dyson
  • Publication number: 20100226750
    Abstract: A fan assembly for creating an air current includes an air outlet mounted on a stand. The stand includes a base and a body tiltable relative to the base. The fan assembly has a centre of gravity located so that when the base is located on a substantially horizontal support surface, the projection of the centre of gravity on the support surface is within the footprint of the base when the body is in a fully tilted position.
    Type: Application
    Filed: March 3, 2010
    Publication date: September 9, 2010
    Applicant: Dyson Technology Limited
    Inventor: Peter David GAMMACK
  • Publication number: 20100226751
    Abstract: A fan assembly includes a device for creating an air flow and an air outlet for emitting the air flow, the air outlet being mounted on a pedestal including a base and a height adjustable stand. The base includes an oscillating mechanism for oscillating the stand and the air outlet.
    Type: Application
    Filed: March 3, 2010
    Publication date: September 9, 2010
    Applicant: Dyson Technology Limited
    Inventors: Peter David Gammack, James Dyson
  • Publication number: 20100226749
    Abstract: A bladeless fan assembly includes a nozzle and a device for creating an air flow through the nozzle. The nozzle includes an interior passage, a mouth for receiving the air flow from the interior passage, and a surface located adjacent the mouth and over which the mouth is arranged to direct the air flow. The nozzle is mounted on a height adjustable pedestal.
    Type: Application
    Filed: March 3, 2010
    Publication date: September 9, 2010
    Applicant: DYSON TECHNOLOGY LIMITED
    Inventors: Peter David Gammack, James Dyson
  • Publication number: 20100226753
    Abstract: A fan assembly includes a device for creating an air flow and an air outlet for emitting the air flow. The air outlet is mounted on a stand for conveying the air flow to the air outlet. The fan assembly also includes a tilt mechanism for tilting the air outlet relative to at least part of the stand. The tilt mechanism comprises a flexible hose defining, at least in part, an air passage through the tilt mechanism.
    Type: Application
    Filed: March 3, 2010
    Publication date: September 9, 2010
    Applicant: Dyson Technology Limited
    Inventors: James DYSON, Ian John Brough
  • Publication number: 20100226754
    Abstract: A pedestal for a fan assembly includes a telescopic duct for conveying an air flow to an outlet of the fan assembly. The duct includes an outer tubular member having a first stop member, an inner tubular member located at least partially within and slidable relative to the outer tubular member, the inner tubular member having a second stop member for engaging the first stop member to inhibit withdrawal of the inner tubular member from the outer tubular member, and a mainspring rotatably mounted on the second stop member, the mainspring having a free end retained by the first stop member.
    Type: Application
    Filed: March 3, 2010
    Publication date: September 9, 2010
    Applicant: Dyson Technology Limited
    Inventors: Blair Hugh Hutton, Adriano Niro, Alexander Stuart Knox, Ian John Brough
  • Publication number: 20100215475
    Abstract: A turbomolecular vacuum pump (54) comprises a housing (70) and a rotor (52) supported by a bearing arrangement (64) for rotation relative to the housing (70). The bearing arrangement (64) comprises a bearing (72, 74, 76, 78) supported in both radial and axial directions by a resilient support (80) comprising inner (86) and outer (88) annular portions connected by a plurality of flexible members (84), the resilient support (80) having a radial stiffness in the range from 50 to 500 N/mm.
    Type: Application
    Filed: May 26, 2006
    Publication date: August 26, 2010
    Inventors: Barrie Dudley Brewster, Chan-Cheong Siew
  • Patent number: 7767023
    Abstract: A device for containing the catastrophic failure of a vacuum pumping system is described. The vacuum pumping system includes a turbo-molecular pump (TMP) configured to be coupled to a vacuum processing system at an inlet end. The TMP includes a longitudinal axis substantially parallel to an axis of rotation of the TMP and a first lateral axis substantially perpendicular to the longitudinal axis. The vacuum system also includes a containment device configured to mitigate the catastrophic failure of the TMP by impeding only one translational degree of freedom (DOF) and only one rotational DOF of the movement of the TMP. Impeding only one translational DOF includes impeding translational motion of the TMP in a first lateral direction substantially parallel to the first lateral axis. Impeding only one rotational DOF includes impeding rotation of the TMP about the longitudinal axis.
    Type: Grant
    Filed: March 26, 2007
    Date of Patent: August 3, 2010
    Assignee: Tokyo Electron Limited
    Inventor: Jeffrey Burgess
  • Patent number: 7762762
    Abstract: A rolling fluid machine especially with a liquid spraying at the output, comprising a chamber (1) where at least a part of its inner surface has a rotary shape and the chamber (1) is provided with at least one inlet (2) of fluid and at least one outlet (3) of fluid. In the chamber (1) there is a rolling rotor (4) installed in a manner enabling rolling and swinging. In the chamber (1) the space (5) bellow the rotor (4) and the space (6) above the rotor (4) is interconnected by at least one additional channel (7).
    Type: Grant
    Filed: December 23, 2004
    Date of Patent: July 27, 2010
    Inventor: Miroslav Simera
  • Patent number: 7762763
    Abstract: A vacuum pump (100) comprises a first set (106) of turbo-molecular stages, a molecular drag stage (112), a first inlet (120) through which fluid can pass through the first set (106) of stages and the molecular drag stage (112) towards a pump outlet (116), second and third sets (108, 110) of turbo-molecular stages located between the first set (106) and the molecular drag stage (112), a second inlet (122), the second and third sets (108, 110) being arranged such that fluid entering the pump through the second inlet (122) is separated into two streams each flowing through a respective one of the second and third sets (108, 110), and conduit means (126) for conveying fluid passing through the first set (106) and one of the second and third sets (108, 110) towards the outlet (116).
    Type: Grant
    Filed: September 23, 2004
    Date of Patent: July 27, 2010
    Assignee: Edwards Limited
    Inventor: Ian David Stones
  • Publication number: 20100183459
    Abstract: The present invention discloses an adhesion rotary disc pump comprising a housing embedding therein at least one adhesion-propelling disc mounted on a rotatable shaft that is drivable by a drive, wherein fluids engaging with said at least one adhesion-propelling disc are transportable from at least one inlet to at least one outlet. In embodiments, the pump employs a scraping unit operative to scrape off fluid adherent on both sides of each of the at least one rotatable adhesion-propelling disc and that the scraped-off fluid is being channeled directly or indirectly to the at least one outlet.
    Type: Application
    Filed: December 16, 2009
    Publication date: July 22, 2010
    Applicant: CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Developpement
    Inventor: Noa SCHMID
  • FAN
    Publication number: 20100150699
    Abstract: A fan assembly for creating an air current is described. The fan assembly includes a nozzle mounted on a base housing a device for creating an air flow through the nozzle. The nozzle includes an interior passage for receiving the air flow from the base, a mouth through which the air flow is emitted, the mouth being defined by facing surfaces of the nozzle, and spacers for spacing apart the facing surfaces of the nozzle. The nozzle extends substantially orthogonally about an axis to define an opening through which air from outside the fan assembly is drawn by the air flow emitted from the mouth. The fan provides an arrangement producing an air current and a flow of cooling air created without requiring a bladed fan. The spacers can provide for a reliable, reproducible nozzle of the fan assembly and performance of the fan assembly.
    Type: Application
    Filed: November 20, 2009
    Publication date: June 17, 2010
    Applicant: DYSON TECHNOLOGY LIMITED
    Inventors: Frederic NICOLAS, Kevin John Simmonds
  • Patent number: 7695242
    Abstract: A turbine includes a stack of substantially parallel disks, the rotation of which causes rotation of a shaft. The disks are separated by peripheral spacers, each peripheral spacer having the shape of an airfoil. Each peripheral spacer defines a chord which is angled radially inward, towards the axis of rotation of the disk. The peripheral spacers are located only in the vicinity of the periphery of the disk. Air, or other fluid, entering the turbine engages the airfoil shaped peripheral spacers, and the flow of air generates lift, and associated drag, causing the energy of the fluid to be more efficiently converted into mechanical, and ultimately, electrical power. The turbine is especially useful in harnessing wind energy for the generation of electric power.
    Type: Grant
    Filed: December 5, 2006
    Date of Patent: April 13, 2010
    Inventor: Howard J. Fuller
  • Patent number: 7685822
    Abstract: A rotary cup fuel injector for use in a gas turbine engine, the rotary cup injector being rotatably secured to the rotor shaft and positioned radially inward of the combustor, the rotary cup injector having a front face with a parabolic shape and a rear face with a slanted and flat shape. The front and rear faces of the injector form a thin film of fuel on the surfaces and—because of the high rotational speed—produce fine droplet's of fuel to be injected into a combustion chamber. The two faces inject fuel into two combustion zones of the combustor.
    Type: Grant
    Filed: November 9, 2005
    Date of Patent: March 30, 2010
    Assignee: Florida Turbine Technologies, Inc.
    Inventor: Mark M. Harris