Smooth Runner Surface For Working Fluid Frictional Contact (e.g., Unbladed Runner, Etc.) Patents (Class 415/90)
  • Patent number: 10267321
    Abstract: A stator disk includes a connection hole for improving exhaust efficiency in a vacuum pump including a Seigbahn type molecular pump portion, and a vacuum pump including the stator disk. The vacuum pump according to an embodiment includes a Seigbahn type molecular pump portion and includes, in a stator disk disposed therein, a connection hole that connects an upper space (an inlet port side region, an upstream side region) with a lower space (an outlet port side region, a downstream side region) in the axial direction of the stator disk.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: April 23, 2019
    Assignee: Edwards Japan Limited
    Inventors: Manabu Nonaka, Takashi Kabasawa
  • Patent number: 10190539
    Abstract: A hypersonic vehicle has a body, a control surface, and a hypersonic air-breathing engine. The engine includes a converging inlet having a fixed cowling having a first cross-sectional area and a throat having a second cross-sectional area. A flow restrictor is movable between a stowed position and a fully deployed position. The flow restrictor has a third cross-sectional area that is smaller than the first cross-sectional area, such that a consistent gap is formed between a periphery of the flow restrictor and an inner surface of the cowling with the flow restrictor in the fully deployed position and the difference between the first cross-sectional area and the third cross-sectional area is approximately equal to the second cross-sectional area.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: January 29, 2019
    Assignee: THE BOEING COMPANY
    Inventors: Kevin Gerald Bowcutt, Thomas Russell Smith
  • Patent number: 10024327
    Abstract: A turbomolecular pump includes: a rotor (4) on which rotary vanes (19) in multiple stages are formed; fixed vanes (21) in multiple stages; and a pump casing (7) in which a pump inlet opening (7a) is defined, and that houses the rotor (4) and the fixed vanes (21) in multiple stages; wherein: a surface of the rotor (4) facing the inlet opening has a first emissivity; a surface of one vane stage that is visible from the inlet opening, among a plurality of vane stages including the rotary vanes (19) and the fixed vanes (21), has the first emissivity; and a surface of one vane stage, among the plurality of vane stages, that is not visible from the inlet opening has a second emissivity that is greater than the first emissivity.
    Type: Grant
    Filed: August 26, 2009
    Date of Patent: July 17, 2018
    Assignee: SHIMADZU CORPORATION
    Inventor: Shingo Tsutsui
  • Patent number: 10001126
    Abstract: To provide a vacuum pump capable of performing temperature control using one or more heating devices or cooling devices fewer than the number of temperature sensors arranged in the pump. One temperature sensor is arranged for each target in the pump, while only one set consisting of a heater and a magnetic valve is arranged. One set consisting of a heater and a magnetic valve is controlled based on output signals from a plurality of temperature sensors, based on the priorities set for the temperature sensors. As stated above, by setting priorities for the temperature sensors, the temperature of a target provided with a temperature sensor given a higher priority is settled within a control range by performing quick ON/OFF control, and then the temperature of a target provided with a temperature sensor given a lower priority is settled within the control range.
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: June 19, 2018
    Assignee: Edwards Japan Limited
    Inventors: Tooru Miwata, Keiichi Ishii, Katsuhide Machida, Yoshinobu Ohtachi, Yasushi Maejima, Tsutomu Takaada
  • Patent number: 9970444
    Abstract: The invention relates to an adapter for vacuum pumps, characterized in that it comprises an annular inlet flange (15) intended to be coupled to an outlet orifice of a chamber and an outlet coupling (16) comprising at least two cylindrical outlet through-housings (21) and forming an at least partial pump casing for the case (4) of a respective turbomolecular vacuum pump (3), said turbomolecular vacuum pumps (3) being intended to be received in a respective cylindrical outlet housing (21). The invention also relates to a pumping device, characterized in that it comprises an adapter for vacuum pumps (2) as described hereinabove and at least two turbomolecular vacuum pumps (3) housed at least partially in a respective cylindrical outlet housing (21).
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: May 15, 2018
    Assignee: Pfeiffer Vacuum GmbH
    Inventors: Thibaut Bourrilhon, Rainer Mathes, Nicolas Varennes
  • Patent number: 9966829
    Abstract: A stepper motor has a stator winding assembly with a permanent ring magnet located radially outside of electromagnetic windings for the stator poles. The permanent ring magnet remotely magnetizes a rotor seated by bearings on an axial shaft so as to rotate within the stator winding assembly, thereby freeing up space within the rotor for an internal damper. The rotor has a cylindrical damping weight enclosed within, but not fixed to, the rotor. The weight ideally has a rotational moment of inertia that substantially matches that of the rotor. The weight is elastically coupled to the rotor by a viscous material contained in the rotor and filling the space between the weight and the rotor and between the weight and the axial shaft. The viscosity of this material is selected such that motion of the weight is delayed, preferably so as to be substantially 180° out-of-phase with, but at the same frequency as, the stepping rotation of the rotor.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: May 8, 2018
    Assignee: LIN ENGINEERING, INC.
    Inventors: Ted T. Lin, Harlan H. Nguyen
  • Patent number: 9957406
    Abstract: Method for increasing the smoothness of the free surface area of a PFA film, provided on a component by sequentially exposing it to a temperature higher than its melting temperature so as to melt at least the free surface area, lowering the temperature to solidify the melted portion, remelting the free surface area by exposing it to a temperature of at least the PFA melting temperature and again lowering the temperature. The PFA film may be provided on Al2O3, Ni or NiF2 film.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: May 1, 2018
    Assignee: TOHOKU UNIVERSITY
    Inventors: Masamichi Iwaki, Tadahiro Ohmi, Kenji Ohyama, Isao Akutsu
  • Patent number: 9790946
    Abstract: An exhaust pump includes: a cylindrical rotating member; an outer cylindrical fixed member; an inner cylindrical fixed member a helical inner thread groove exhaust passage provided between the cylindrical rotating member and the inner cylindrical fixed member; connecting opening portions that are opened in the cylindrical rotating member and that lead a part of gas existing in the vicinity of the outer periphery of the cylindrical rotating member towards the inner thread groove exhaust passage. A gap between an upstream end of the connecting opening portions and lowermost stage rotor blades provided at the outer periphery of the cylindrical rotating member which is located upstream of the connecting opening portions has a dimension equal to or greater than a dimension that enables insertion, into the gap, of a tool for opening the connecting opening portions.
    Type: Grant
    Filed: July 21, 2011
    Date of Patent: October 17, 2017
    Assignee: Edwards Japan Limited
    Inventors: Yoshinobu Ohtachi, Yasushi Maejima, Tsutomu Takaada
  • Patent number: 9759221
    Abstract: Provided is a vacuum pump in which no finish processing has to be carried out after shaping of a cylindrical rotor even in use of a cylindrical rotor obtained by shaping a fiber-reinforced plastic material into a cylindrical shape. The vacuum pump has a turbo-molecular pump section and a thread groove pump section. The upper end section of a cylindrical rotor, which is obtained by shaping a fiber-reinforced plastic material into a cylindrical shape, of the thread groove pump section, is joined to the lower end section of a rotor of the turbo-molecular pump section. A joining portion of the rotor of the turbo-molecular pump section and the cylindrical rotor of the thread groove pump section is disposed upstream of an exhaust passage. As a result, finish processing does not have to be carried out after shaping of the cylindrical rotor.
    Type: Grant
    Filed: May 20, 2011
    Date of Patent: September 12, 2017
    Assignee: Edwards Japan Limited
    Inventor: Takashi Kabasawa
  • Patent number: 9709069
    Abstract: A hybrid drive engine uses air foil shaped disks of a first configuration for a compressor portion thereof and air foil shaped disks of a second configuration for a turbine portion thereof, whereby the disks exhibit aerodynamic effects of lift. Particularly, the compressor disks are configured to cause aerodynamic lift off of a periphery of the disks, while the turbine disks are configured to cause aerodynamic lift off of an inner hole of the disks. The aerodynamic nature of the disks cause each disk thereof to form two opposing airfoil shapes either head to head or trailing edge to trailing edge across the through hole.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: July 18, 2017
    Assignee: DAYSPRING CHURCH OF GOD APOSTOLIC
    Inventor: David C. Bosley
  • Patent number: 9464638
    Abstract: An automotive cabin cooling system uses a bladeless turbocompressor driven by automobile engine exhaust to compress incoming ambient air. The compressed air is directed to an intercooler where it is cooled and then to another bladeless turbine used as an expander where the air cools as it expands and is directed to the cabin interior. Excess energy may be captured by an alternator couple to the expander turbine. The system employs no chemical refrigerant and may be further modified to include another intercooler on the output of the expander turbine to isolate the cooled cabin environment.
    Type: Grant
    Filed: May 1, 2013
    Date of Patent: October 11, 2016
    Assignee: California Institute of Technology
    Inventors: Juan Cepeda-Rizo, Gani B. Ganapathi
  • Patent number: 9441575
    Abstract: A thermal energy recovery system. The system includes a Stirling engine having a burner thermal energy output. Also, a superheater mechanism for heating the thermal energy output and an expansion engine coupled to a generator. The expansion engine converts the thermal energy output from the burner to mechanical energy output. The generator converts mechanical energy output from the expansion engine to electrical energy output. The expansion engine may also includes vapor output. Some embodiments of the system further include a condenser for condensing the vapor output, a pump for pumping the vapor output and a boiler in fluid communication with the pump. The pump pumps the vapor output to the boiler.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: September 13, 2016
    Assignee: New Power Concepts LLC
    Inventors: Dean Kamen, Christopher C. Langenfeld
  • Patent number: 9410426
    Abstract: Provided are various devices and processes that harness the inherent kinetic energy of a flowing pressurized fluid to drive a compressor to compress a fluid without any need for electrical or chemical energy. The flowing fluid flows over a boundary layer disk turbine, or Tesla turbine, which is mechanically coupled to a compressor that compresses a fluid. The flowing fluid may be a natural gas from a hydrocarbon recovery operation. The compressed fluid may be a vapor gas from a hydrocarbon production, processing, or storage facility. Harnessing the kinetic energy of the flowing fluid increases economic efficiency of the process, while also avoiding unwanted emissions adverse to the environment and public health.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: August 9, 2016
    Assignee: Leed Fabrication Services, Inc.
    Inventor: Casey L. Beeler
  • Patent number: 9347463
    Abstract: A turbo-molecular pump includes a case member, a rotor accommodated in the case member, the rotor having rotor blades arranged in multiple steps, a rotor shaft provided coaxially with the rotor, a plurality of stator blades provided on an inner surface of the case member and arranged between the rotor blades, and a plurality of spacers for supporting the stator blades. One of the plurality of spacers has a cooling thick portion for covering an outer peripheral side surface of at least one adjacent upper or lower spacer, and a cooling pipe through which a cooling medium is circulated is provided in the cooling thick portion.
    Type: Grant
    Filed: August 29, 2013
    Date of Patent: May 24, 2016
    Assignee: Shimadzu Corporation
    Inventor: Shingo Tsutsui
  • Patent number: 9309892
    Abstract: The present invention provides a vacuum pump (10) which comprises a turbo-molecular pumping mechanism (12) in series with a Siegbahn pumping mechanism (14). A first pump inlet (16) is provided through which gas can pass through both the turbo-molecular pumping mechanism and the Siegbahn pumping mechanism. Additionally, an inter-stage (inlet 18) is provided through which gas can enter the pump at a location between the turbo-molecular pumping mechanism and the Siegbahn pumping mechanism and pass only through the Siegbahn pumping mechanism. There are flow channels (52, 62) in a first plurality of stages (32, 34) of the Siegbahn pumping mechanism which are in fluid communication with the inter-stage inlet (18) and gas entering the pump through the inter-stage inlet is pumped in parallel along said flow channels.
    Type: Grant
    Filed: September 9, 2010
    Date of Patent: April 12, 2016
    Assignee: Edwards Limited
    Inventor: Martin Ernst Tollner
  • Patent number: 9302756
    Abstract: A flywheel housing is for a stern drive of a marine vessel. The flywheel housing comprises an inner mounting face for connection to an engine block of an internal combustion engine of the stern drive and an outer mounting face for connection to a gimbal housing. The inner mounting face and outer mounting face are on opposite axial sides of the flywheel housing. A conduit is formed in the flywheel housing and is configured to receive and discharge exhaust gases from the internal combustion engine. The conduit comprises an inlet port through which the exhaust gases are received from the internal combustion engine and an outlet port through which the exhaust gases are discharged from the flywheel housing.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: April 5, 2016
    Assignee: Brunswick Corporation
    Inventors: John A. Groeschel, David J. Waldvogel
  • Patent number: 9188135
    Abstract: An axial flow compressor includes: a rotor having a rotor vane; a first pressing member joined to one end surface of the rotor; a second pressing member joined to the other end surface of the rotor; a rotor shaft portion penetrating the first pressing member, the rotor and the second pressing member; and a nut which fixes the first pressing member and the second pressing member on the rotor shaft portion with the first pressing member and the second pressing member holding the rotor between. The rotor shaft portion is made of a material having a lower linear expansion coefficient than that of a material making at least a part of the rotor. The material making at least a part of the rotor may be aluminum or aluminum alloy.
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: November 17, 2015
    Assignees: Tokyo Electric Power Company, Incorporated, Chubu Electric Power Company, Incorporated, THE KANSAI ELECTRIC POWER CO., INC., KABUSHIKI KAISHA KOBE SEIKO SHO, DANISH TECHNOLOGICAL INSTITUTE, JOHNSON CONTROLS DENMARK APS
    Inventors: Yoshihiro Nakayama, Yoshitaka Baba, Satoshi Ide, Koichiro Iizuka, Ryo Fujisawa, Masatake Toshima, Kunihiko Suto, Kazutaka Kurashige, Ichirou Sakuraba, Daisuke Hayashi, Keiji Sugano, Svend Rasmussen, Ziad Al-Janabi, Finn Jensen, Lars Bay Moller, Hans Madsboll, Christian Svarregaard-Jensen, Klaus Damgaard Kristensen
  • Patent number: 9188006
    Abstract: Provided are various devices and processes that harness the inherent kinetic energy of a flowing pressurized fluid to drive a compressor to compress a fluid without any need for electrical or chemical energy. The flowing drive fluid flows over a boundary layer disk turbine, or Tesla turbine, which is mechanically coupled to a compressor that compresses a fluid. The flowing fluid may be a natural gas from a hydrocarbon recovery operation. The compressed fluid may be air that is used to power a pneumatic device in an industrial process. Harnessing the kinetic energy of the flowing fluid increases economic efficiency of the process, while also avoiding unwanted emissions adverse to the environment and public health.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: November 17, 2015
    Assignee: Leed Fabrication Services, Inc.
    Inventor: Casey L. Beeler
  • Patent number: 9163512
    Abstract: The bladeless turbine includes a case, three or more turbine discs disposed within the case. Each turbine disc has a center opening, and two or more of the turbine discs have a set of exhaust ports positioned annularly around the center opening. A drive shaft passes through the center openings of the turbine discs and is attached to the three or more turbine discs, wherein the drive shaft is positioned within the case along the centerline, free to rotate within the case, and extends through the case for connection to a generator. The one or more fluid/vapor inlets are attached to the main housing such that a fluid/vapor is directed at a specified angle onto the three or more turbine discs. The fluid/vapor outlet is aligned with the centerline. A set of exhaust holes proximate to and connected to the fluid/vapor outlet that are positioned annularly around the drive shaft.
    Type: Grant
    Filed: July 4, 2011
    Date of Patent: October 20, 2015
    Assignee: SOLAR LOGIC INCORPORATED
    Inventors: Gregory Bohl, Frank Germano, Martin Dorantes
  • Patent number: 9157443
    Abstract: A control unit, which is integrally mounted on a turbo molecular pump, is provided, in which the control unit can be miniaturized or the manufacturing costs are reduced. An upper casing (12) is fastened on a first mounting member (91) of an external device through a fastening member (61) inserted in a through hole (51) of a flange plate (12a). A first base (14) fastened on the upper casing (12) is fastened on a second mounting member (92) of the external device through a fastening member (63) inserted in a through hole (52) of a flange plate (14b). A control unit (70) is fastened on a second base (15) through a fastening member (65). Since torque produced when a rotor (30) is damaged is not asserted to the fastening member (65), strength of the fastening member (65) and a casing of the control unit (70) is small.
    Type: Grant
    Filed: September 25, 2012
    Date of Patent: October 13, 2015
    Assignee: SHIMADZU CORPORATION
    Inventor: Shingo Tsutsui
  • Patent number: 8992162
    Abstract: A multi-inlet vacuum pump has a first pump device (10) and a second pump device (12). The first pump device (10) includes a first rotor element (18) having a plurality of first rotor discs (20, 21) arranged consecutively in the delivery direction (36). The second rotor disc includes a second rotor element (26) having a plurality of second rotor discs (28) arranged consecutively in the delivery direction (36). A first fluid flow (34) is suctioned through a main inlet (32) by the first pump device (10) and delivered in the direction of the second pump device (12). A second fluid flow (40) is suctioned through an intermediate inlet (38) by the second pump device and delivered in the direction of a pump outlet. The diameter of the last rotor disc (21) of the first pump (10) substantially corresponds to the diameter of the first rotor (28) of the second pump device (12).
    Type: Grant
    Filed: March 3, 2010
    Date of Patent: March 31, 2015
    Assignee: Oerlikon Leybold Vacuum GmbH
    Inventors: Markus Henry, Heinz Englaender, Christian Beyer
  • Publication number: 20150078883
    Abstract: A bladeless pump for fluids, including gases or gases having particulate matter therein, which may be driven by a motor. The bladeless pump consists of an assembly of rotors or discs stacked one against the other. Each rotor or disc has a runner portion on an outer area spaced away from the center of the disc or rotor and a central portion which has two or more spokes. The spokes have inter-spoke openings. The spokes are typically thicker than the rest of the discs. When many discs are placed together and spun on an axle driven by a motor, then air may be drawn in adjacent the rotor assembly where the inter-disc openings are located, and compressed as they enter the inter-disc area. A volute that is spiral shape is provided adjacent the outer rim of the disc assembly which receives the pressurized air and releases it from a motor housing.
    Type: Application
    Filed: June 20, 2014
    Publication date: March 19, 2015
    Inventor: Ralf W. Blackstone
  • Patent number: 8961106
    Abstract: A connector device for coupling a turbomolecular pump to an apparatus to be pumped. The connector device can suppress transmission of vibrations of relatively low frequencies. The pump has a rotor, a casing accommodating the rotor therein, and an intake port and an outlet port formed in the casing. The pump operates to suck gas from the intake port and to expel the gas from the outlet port by rotating the rotor within the casing at high speed. The connecting device has a connecting exhaust tube for connecting the intake port of the turbomolecular pump with the outlet port of the apparatus (such as a vacuum vessel) to be pumped. An annular weight is disposed around the outer periphery of the connecting exhaust tube. A viscoelastic member is interposed between the connecting exhaust tube and the weight to form a vibration absorber.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: February 24, 2015
    Assignee: JEOL Ltd.
    Inventor: Mitsuru Hamochi
  • Patent number: 8961104
    Abstract: A turbomolecular pump includes a drag pump unit constituted with a rotational cylinder portion disposed at a rotor and a fixed cylinder (24) disposed via a gap on an outer circumferential side of the rotational cylinder portion. The fixed cylinder (24) includes: a cylinder upper portion (240a) locked to a base (1); and a cylinder lower portion (240b) connected to a discharge downstream side of the cylinder upper portion (240a) via a groove (243) formed so that a break occurs when the rotational cylinder portion (32) breaks and a broken rotational cylinder portion (32) collides with the fixed cylinder (24) subjecting the fixed cylinder (24) to a rotational torque working in a direction matching the direction in which the rotational cylinder portion (32) rotates.
    Type: Grant
    Filed: November 2, 2009
    Date of Patent: February 24, 2015
    Assignee: Shimadzu Corporation
    Inventor: Masahito Kogame
  • Publication number: 20150050124
    Abstract: The present invention relates to a device for pumping a fluid at low flows, comprising a body (1) including a channel (2) having a circular cross section for transportation of a fluid, and a cylindrical cavity (3) arranged in connection with the channel and with its longitudinal axis being non coplanar with the longitudinal axis of the channel, and a pump including a rotatable cylinder (6) extending into the cavity, coaxial with the cavity, with the periphery of the cylinder protruding into the channel, thereby driving the fluid in the channel by shear forces.
    Type: Application
    Filed: March 19, 2013
    Publication date: February 19, 2015
    Inventors: Peter Gardhagen, Eva-Lena Gardhagen
  • Publication number: 20150037137
    Abstract: An improved vacuum pump mechanism is described in which an intersecting solid or perforated element is arranged to intersect a channel member. Relative movement of the intersecting solid or perforated element and channel member causes gas molecules to be urged from inlet to an outlet of the pump. Gas molecules are constrained within the channel member and interaction of the gas molecules with the flat and smooth surfaces of the intersecting solid or perforated member influence momentum of the gas molecules so that they are directed towards the outlet. In one embodiment, the channel member is formed as a helix and the intersecting solid or perforated elements are disk-shaped. An alternative embodiment is provided having the channel member configured as a spiral and the perforated elements as cylindrical skirts. The pump provides significant improvements in pump capacity, reduced power consumption and size of pump.
    Type: Application
    Filed: January 24, 2013
    Publication date: February 5, 2015
    Inventors: Nigel Paul Schofield, Ian David Stones, Stephen Dowdeswell
  • Patent number: 8939949
    Abstract: The present disclosure relates to a stacked multi-disk pump for the pumping of ocular fluid and/or tissue during ophthalmic surgery. The stacked multi-disk pump includes an inlet port, a stacked multi-disk assembly, a fluid chamber, a central hub, a motor, and an outlet port. The motor and the hub induce the multi-disk assembly to rotate. As the multi-disk assembly rotates, the fluid is propelled into the inlet port, progresses axially, circumferentially, and radially through the stacked multi-disk assembly, and flows out the outlet port. The pump may be incorporated, for example, into the handpiece of an ophthalmic surgical instrument or a surgical console.
    Type: Grant
    Filed: August 15, 2011
    Date of Patent: January 27, 2015
    Assignee: Alcon Research, Ltd.
    Inventor: John M. Bourne
  • Publication number: 20150021915
    Abstract: An apparatus comprising: (a) a bladeless rotatable element with a smooth outer surface, said rotatable element connected to a drive mechanism; and (b) a dynamo powered by said drive mechanism so as to output an electric current.
    Type: Application
    Filed: February 19, 2013
    Publication date: January 22, 2015
    Applicant: RE10 LTD.
    Inventors: Carmi Raz, Tzahi Shneider
  • Patent number: 8926266
    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: Grant
    Filed: February 23, 2010
    Date of Patent: January 6, 2015
    Assignee: Oerlikon Leybold Vacuum GmbH
    Inventors: Christian Beyer, Markus Henry, Heinz Englaender
  • Patent number: 8926261
    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.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: January 6, 2015
    Assignee: 4sphere LLC
    Inventor: David Michael Patrick
  • Publication number: 20140321976
    Abstract: A novel molecular adhesion turbine includes improved disc array, flywheel, housing and nozzle structural designs each adapted to exhibit molecularly repulsive and/or molecularly adhesive properties depending upon the particular working fluid used with the turbine. Backflow turbulence and drag forces are reduced, and turbine operating efficiencies are improved as a result. The invention includes an insulating enclosure, which provides added noise cancellation and heat capture benefits. The new molecular adhesion turbine is modular and thus capable of sealable applications, including connecting the turbine to a bladed steam turbine of the type typically used in power plants for heretofore unrealized downstream energy efficiencies.
    Type: Application
    Filed: June 4, 2014
    Publication date: October 30, 2014
    Inventors: Gary R. Kerns, Bret M. Lee
  • Patent number: 8863530
    Abstract: A device comprising a combustion toroid for receiving combustion-induced centrifugal forces therein to continuously combust fluids located therein and an outlet for exhaust from said combustion toroid.
    Type: Grant
    Filed: October 29, 2009
    Date of Patent: October 21, 2014
    Assignee: Power Generation Technologies Development Fund L.P.
    Inventor: Ernst Bergen
  • Publication number: 20140308112
    Abstract: The present invention refers to a mechanical seal assembly, comprising at least one mechanical seal (2) with a rotating seal ring (21) and a stationary seal ring (22), the rotating seal ring (21) and the stationary seal ring (22) defining a sealing gap (23) between them, and a Tesla pump (6) co-rotating with the rotating seal ring (21).
    Type: Application
    Filed: October 8, 2012
    Publication date: October 16, 2014
    Applicant: EAGLEBURGMANN GERMANY GMBH & CO. KG
    Inventors: Stefan Ledig, Thomas Boehm, Rudolf Kollinger
  • Patent number: 8858168
    Abstract: A method for assembling a ventilation system is provided. The method includes providing a ventilation hood that includes a cover portion and a discharge portion extending from the cover portion. The cover portion includes a first aperture, an opposite second aperture, and a cavity therein, wherein an interior of the discharge portion is in flow communication with the cover portion cavity. The method also includes coupling a rotatable member at least partially within the ventilation hood, such that the rotatable member extends at least partially through at least one of the first and second apertures, and such that rotation of the rotatable member induces a windage-driven flow of fluid between a portion of the rotatable member and at least one of the first and second apertures.
    Type: Grant
    Filed: March 3, 2008
    Date of Patent: October 14, 2014
    Assignee: General Electric Company
    Inventors: Richard Lynn Loud, Carlos Andres Rodriguez, Timothy Andrew Melsert
  • Patent number: 8858188
    Abstract: The invention relates to a vacuum pump or vacuum apparatus having a vacuum pump for the evacuation of one or a plurality of volumes, the vacuum pump having a plurality of pressure stages and at least two suction inlets. According to the invention, an outer suction inlet for a first pressure stage spatially encompasses an inner suction inlet for a second pressure stage such that the inner suction inlet seals only against pressure within the outer suction inlet, not against external pressure.
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: October 14, 2014
    Assignee: Thermo Fisher Scientific (Bremen) GmbH
    Inventor: Alexander Makarov
  • Patent number: 8821109
    Abstract: A device for detecting the axial position of a rotary shaft of a rotary machine comprises a target of ferromagnetic material placed at the end of the rotary shaft, an induction coil associated with a stationary magnetic circuit and placed facing the target while leaving an airgap, and a power supply circuit. The power supply circuit comprises an AC voltage source connected between a first end of the induction coil and a zone situated at a reference voltage, at least one capacitor connected between the ends of the induction coil, and a detector device interposed between a second end of the induction coil and the zone situated at the reference voltage, in order to deliver on a line information about the magnitude of the current flowing between the second end and the zone situated at the reference voltage.
    Type: Grant
    Filed: April 9, 2012
    Date of Patent: September 2, 2014
    Assignee: SKF Magnetic Mechatronics
    Inventor: Ulrich Schroeder
  • Patent number: 8801359
    Abstract: Smooth, preferably variable-sweep fluid collection device surfaces disposed into opposition with wind, river, surf, ocean or tidal currents generate enhanced velocity fluid flows at length driven into onboard work-extracting disc turbines at advantageous angles of attack. Keyed to shafts turning freely through optionally extendable volutes, disc turbines comprising a dense population of smooth, axially fixed or adjustably spaced discs conducting preferably laminar flow between adjacent elements develop significant torque through boundary layer adhesion and viscous shear-stress between fluid layers. Exhaust of disc turbine throughput into divergent channels drafting into external currents of initially higher than ambient velocity and lower pressure may reduce turbine discharge backpressure, rapidly clear system throughput, and allow normally disadvantageous drag to be utilized to develop greater work generation.
    Type: Grant
    Filed: May 5, 2008
    Date of Patent: August 12, 2014
    Inventor: Gordon David Sherrer
  • Patent number: 8790071
    Abstract: In a turbomolecular pump, in connection with a dimensionless number X that is the ratio of an inter-vane distance S to a chord length C for moving vane blades of rotor impeller (4B) and stationary vane blades of stator impeller (2B), with dimensionless numbers at the outer circumferential portion and the inner circumferential portion of a first vane stage being termed Xo(R) and Xi(R) and dimensionless numbers at the outer circumferential portion and the inner circumferential portion of a second vane stage being termed Xo(S) and Xi(S), and with respect to vane stages that are adjacent along the direction of the rotational shaft, at least one vane stage is provided that satisfies a first relational equation “Xo(R)>Xo(S)” and a second relational equation “Xi(R)<Xi(S)”.
    Type: Grant
    Filed: October 5, 2009
    Date of Patent: July 29, 2014
    Assignee: Shimadzu Corporation
    Inventor: Kouta Oishi
  • Patent number: 8784035
    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: Grant
    Filed: May 15, 2008
    Date of Patent: July 22, 2014
    Inventor: Ralf W. Blackstone
  • Patent number: 8716658
    Abstract: The invention provides a mass spectrometer system (10) comprising a mass spectrometer (12) comprising a plurality of mass spectrometer stages (16, 18, 20, 44) in fluid communication from a low vacuum stage (16) to a higher vacuum stage (44). A split flow multi-stage pump (14) evacuates the mass spectrometer stages. The pump comprises a pump envelope (28) in which a plurality of pumping stages (20, 32, 34) are supported for rotation about an axis X generally parallel to the direction of flow in the mass spectrometer stages for pumping fluid from a main pump inlet (36) to a main pump outlet (38). At least part of a higher vacuum stage (44) is located within the pump envelope at the main pump inlet.
    Type: Grant
    Filed: September 13, 2010
    Date of Patent: May 6, 2014
    Assignee: Edwards Limited
    Inventor: Ian David Stones
  • Publication number: 20140102115
    Abstract: The invention is directed to a turbo-engine, particularly internal combustion engine, comprising a housing and therein a bladeless turbine section (30; 42; 67) of the stacked disc- or Tesla-type construction, wherein the turbine section (30; 42; 67) has a plurality of closely spaced discs (32; 49; 61) arranged for common rotation about a rotation axis in the housing, said turbine section (30; 42; 67) is adapted for passing with tangential flow components a working fluid stream from a radially inner region to a radially outer region of said turbine section (30; 42; 67) while adopting energy from said working fluid stream for rotating the discs (30; 49; 61).
    Type: Application
    Filed: May 10, 2012
    Publication date: April 17, 2014
    Applicant: AELLA SA
    Inventor: Slobodan Tepic
  • Patent number: 8678749
    Abstract: A centrifugal reverse flow disk turbine for power generation, comprising; a) a turbine shaft; b) a disk rotor disposed on said turbine shaft; c) a housing, having said turbine shaft and said disk rotor, bearings, seal devices, and at least one jet nozzle means; d) a plurality of radially engraved channel for transporting working fluid from entering ports, placed axially near said turbine shaft; e) a plurality of said channels having two curvatures; first curvature has a small radius, and concaved pertinent to rotational direction of said rotor, starting from the entering port to middle of its flow path, and the second curvature has a large radius, convexed pertinent to rotational direction of said rotor, positioned near the peripheral of said rotor; a plurality of a bucket attached at every flow channel, directing against nozzle disposed on said housing, thereby deriving impinging counter supersonic flow.
    Type: Grant
    Filed: January 5, 2010
    Date of Patent: March 25, 2014
    Inventor: Takeo S. Saitoh
  • Patent number: 8668436
    Abstract: A turbomolecular pump has multiple stages of alternately arranged rotors and stators. Each of the rotors has blades radially extending from a rotating body. Each of the stators has blades radially extending toward the rotating shaft of the rotating body. The blades provided on at least either of a rotor and a stator are formed in a twisted shape having a blade angle set by an expression in which the radial distance from the rotating shaft is a variable. The expression of the blade angle is composed of a first expression which provides the optimum angle of each blade on the outer side of a predetermined radius of the blade and also composed of a second expression which provides the blade angle suppressing, on the inner side of the predetermined radius, reverse flow of gas molecules.
    Type: Grant
    Filed: February 15, 2008
    Date of Patent: March 11, 2014
    Assignee: Shimadzu Corporation
    Inventor: Kouta Oishi
  • Publication number: 20140023481
    Abstract: A device for recovering energy from a flow of fluid including a support, a flexible membrane, an attachment system for attaching at least a first area of the membrane connecting this first area of the membrane to the support; force transmission means connected to a second area of the membrane remote from the first membrane area, this second area of the membrane being movable with respect to the support. The device includes separation limiting means, adapted to limit the separation of the first area of the membrane from at least a first point of the attachment system and to limit the separation the second area of the membrane from a second point of the attachment system, these separation limiting means being such that the first and second areas are spaced apart from each other by a minimum distance (Dmin) smaller than the shortest length (Lmin) separating these first and second areas measured along a face of the membrane.
    Type: Application
    Filed: March 13, 2012
    Publication date: January 23, 2014
    Inventor: Jean Baptiste Drevet
  • Patent number: 8623212
    Abstract: A system and method are provided in at least one embodiment to filter water through a vortex leading into a disk-pack turbine having an expansion chamber and outlets into a discharge chamber that leads to at least one discharge port. In a further embodiment, the system includes an intake module, a vortex module, a disk-pack module, and a motor for driving the disk-pack turbine. The intake module brings water into the system and routes the water to the vortex module that speeds up the water into a vortex that flows into the disk-pack turbine that discharges into a discharge chamber that leads to at least one discharge port. The disk-pack turbine includes a plurality of disks that are spaced apart forming chambers between the disks that provide at least one passageway between the expansion chamber and the discharge chamber.
    Type: Grant
    Filed: September 15, 2012
    Date of Patent: January 7, 2014
    Assignee: QWTIP LLC
    Inventors: Whitaker Ben Irvin, Sr., Luis Octavio Perez Hirschfeld
  • Publication number: 20130280037
    Abstract: An energy conversion device includes a vehicle. The vehicle includes a wheel. The wheel includes a chamber. The chamber is configured to contain a fluid. The fluid is configured to produce centrifugal energy. The wheel is configured to rotate and produce energy from the centrifugal energy.
    Type: Application
    Filed: April 24, 2012
    Publication date: October 24, 2013
    Inventor: Ronald Alan Shires
  • Patent number: 8538593
    Abstract: A method is provided for merging different load forecasts for power grid centers. Area load forecasts are accepted from load forecast engines. A relational database saves load forecast engine data. A comprehensive operating plan integrates individual load forecasts into a composite load forecast to present a comprehensive, synchronized and harmonized load forecast.
    Type: Grant
    Filed: July 2, 2010
    Date of Patent: September 17, 2013
    Assignee: Alstom Grid Inc.
    Inventors: David Sun, Kwok Cheung, Kenneth Chung, Tory McKeag
  • Patent number: 8529218
    Abstract: A vacuum pump for the evacuation of one or a plurality of volumes is described. The vacuum pump has a plurality of pressure stages and at least two suction inlets. An outer suction inlet for a first pressure stage spatially encompasses an inner suction inlet for a second pressure stage such that the inner suction inlet seals only against pressure within the outer suction inlet, not against external pressure.
    Type: Grant
    Filed: February 21, 2008
    Date of Patent: September 10, 2013
    Assignee: Thermo Fisher Scientific (Bremen) GmbH
    Inventor: Alexander A. Makarov
  • Patent number: 8523539
    Abstract: The invention is directed to a multi-disk centrifugal pump suitable for pumping fluids, including biocompatible fluids, such as blood. The design of the pump components is optimized to reduce or eliminate the probability of clotting and hemolysis when pumping blood, and to be energy efficient and resistant to physical shock for portable applications.
    Type: Grant
    Filed: June 12, 2009
    Date of Patent: September 3, 2013
    Assignee: The Board of Regents of the University of Texas Systems
    Inventors: Brijesh Gill, Charles S. Cox, Jr., Kevin R. Aroom
  • Publication number: 20130213039
    Abstract: The bladeless turbine includes a case, three or more turbine discs disposed within the case. Each turbine disc has a center opening, and two or more of the turbine discs have a set of exhaust ports positioned annularly around the center opening. A drive shaft passes through the center openings of the turbine discs and is attached to the three or more turbine discs, wherein the drive shaft is positioned within the case along the centerline, free to rotate within the case, and extends through the case for connection to a generator. The one or more fluid/vapor inlets are attached to the main housing such that a fluid/vapor is directed at a specified angle onto the three or more turbine discs. The fluid/vapor outlet is aligned with the centerline. A set of exhaust holes proximate to and connected to the fluid/vapor outlet that are positioned annularly around the drive shaft.
    Type: Application
    Filed: July 4, 2011
    Publication date: August 22, 2013
    Applicant: Solar Logic Incorporated
    Inventors: Gregory Bohl, Frank Germano, Martin Dorantes