Including Means For Handling Portion Separated From Working Fluid Patents (Class 415/169.1)
  • Patent number: 11028816
    Abstract: A gravitational vortex water turbine assembly is described wherein the water turbine is disposed below the bottom of the basin in which the vortex is induced. Preferably, the basin comprises a spiral-shaped side wall and the rotor blades of the turbine rotor are dimensioned such that they absorb the tangential, axial and radial component of the water flow of the vortex.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: June 8, 2021
    Assignee: TURBULENT BVBA
    Inventor: Geert Slachmuylders
  • Patent number: 11028683
    Abstract: A downhole pump gas eliminating seating nipple system for preventing and eliminating the collection of gas such as a foam barrier during operations of a downhole pump assembly. The downhole pump gas eliminating seating nipple system generally includes a seating nipple including an upper end, a lower end, and a channel extending between the upper and lower ends. The channel includes a beveled edge below the upper end and a locking lip above the lower end. A plurality of upper gas eliminators are positioned below the beveled edge. A plurality of lower gas eliminators are positioned below the locking lip. A plurality of central gas eliminators are positioned between the upper and lower gas eliminators. Each of the gas eliminators is angled upwardly from inlet to outlet so as to prevent accumulation of gasses within or below the seating nipple, which can lead to gas locking and/or gas interference.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: June 8, 2021
    Assignee: Stoneview Solutions LLC
    Inventor: Ronald D. Evitt
  • Patent number: 10704565
    Abstract: A side-channel pump having a pump housing in which an operating chamber which is provided with a side channel and a motor are arranged, and having an impeller in the operating chamber which rotates with a shaft which is driven by the motor. A cooling circuit extends from the operating chamber to the motor and from the motor to a suction portion of the pump, wherein the cooling circuit is supplied from an operating chamber whose outlet side is connected to an outlet opening of the side-channel pump. Using the pump, gas can be drawn in without the pump becoming overheated.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: July 7, 2020
    Assignee: STERLING INDUSTRY CONSULT GMBH
    Inventor: Heiner Kösters
  • Patent number: 10683876
    Abstract: A fluid moving system and apparatus for an electric submersible pump (ESP) is described. A fluid moving system includes a gas separator between an electric submersible pump and an ESP motor, the gas separator including a separation chamber including an impeller and a diffuser, the impeller including a plurality of regressively pitched main vanes interspersed between a plurality of mixer vanes, each of the plurality of main and mixer vanes extending along the hub with a positive slope and a concave top face, and a diffuser, the diffuser including blades extending along a diffuser body in a sloped direction substantially opposite the slope of the impeller main vanes, the blades having a concave top face and a regressive pitch that mirrors the pitch of the impeller main vanes, wherein the impeller vanes and diffuser blades serve to homogenize the well fluid while facilitating downstream movement.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: June 16, 2020
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Donn J. Brown, Trevor A. Kopecky, Thomas John Gottschalk
  • Patent number: 10376857
    Abstract: Methods and apparatuses for controlling the size of microbubbles are provided herein. The methods include forming a microbubble in a liquid at an inlet end of a liquid microchannel, the liquid microchannel having an outlet end spaced from the inlet end and a liquid microchannel conduit extending therebetween. As the liquid is propelled along a length of the liquid microchannel, the liquid carry the microbubble, a negative pressure is applied to a first very low pressure microchannel having a first end, a second end spaced from the first end and a first very low pressure microchannel conduit extending between the first end and the second end and having a portion thereof being laterally spaced from and adjacent to a portion of the liquid microchannel conduit. The negative pressure withdraws air from the microbubble in the liquid microchannel to shrink the microbubble as the microbubble travels along the portion of the liquid microchannel conduit.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: August 13, 2019
    Inventors: Scott Tsai, Raffi Karshafian, Michael Kolios, Byeong-Ui Moon, Vaskar Gnyawali
  • Patent number: 10302093
    Abstract: The Invention provides a spiral flow constant pressure pump, comprising a pump body, a pump casing and an impeller; the pressure drop between the end face of pump rear cover and the rear end face of impeller auxiliary blade is used for providing wash water to sealing device; a hole is opened in the high pressure area of the end face of pump rear cover; the position of the hole for entering the seal cavity is close to the sealing device, leading expectant high pressure water into the seal cavity; a hole is opened in the low pressure area of the end face of pump rear cover; the position of the hole for exiting the seal cavity is far away from the sealing device; the expectant high pressure water that enters the seal cavity will flow back to low pressure area through the drainage hole along flow direction after washing the sealing device; the pump recycles a part of energy, improves the hydraulic efficiency, decreases the turbulent loss and takes way the gas might exist in the seal cavity; the extended orifice s
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: May 28, 2019
    Assignee: JOHNSON PRECISION ENGINEERING (SUZHOU) CO., LTD.
    Inventors: Qiang Wang, Zhiming Zhang, Cheng Wang
  • Patent number: 10247185
    Abstract: A fluid pump includes a housing; an outlet; an inlet plate within the housing and having an inlet; an outlet plate disposed within the housing and having an outlet plate outlet passage; an electric motor which rotates about an axis; a pumping arrangement rotationally coupled to the electric motor such that rotation of the pumping arrangement causes fluid to be pumped from the inlet to the outlet plate outlet passage and through the outlet; a diverter plate between the outlet plate outlet passage and the electric motor and having a diverter passage which provides fluid communication from the outlet plate outlet passage, past the electric motor, to the outlet, the diverter plate also having an imperforate wall which is axially aligned with the outlet plate outlet passage such that the imperforate wall laterally directs fluid from the outlet passage to the diverter passage.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: April 2, 2019
    Assignee: DELPHI TECHNOLOGIES IP LIMITED
    Inventors: Alejandro Moreno, Hector R. Mendoza
  • Patent number: 10167770
    Abstract: A spacer for coupling a water pump to a timing chain cover on an automotive engine includes a body having an upstanding sidewall with opposed front and rear faces. The sidewall bounds an interior chamber, and a ramp is formed to the sidewall. The ramp extends into the interior chamber from the rear face to the front face.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: January 1, 2019
    Inventor: Christopher W. Ames
  • Patent number: 10151320
    Abstract: A compressor includes a rotor; a rotor casing surrounding the rotor from an outer circumferential side of the rotor and defining a main flow passage of a fluid between the rotor and the rotor casing; an extraction-chamber casing at an outer circumferential side of the rotor casing, and defining an extraction chamber in communication with the main flow passage between the rotor casing and the extraction-chamber casing; and an extraction nozzle connected to the extraction-chamber casing from an outer circumferential side of the extraction-chamber casing and configured to guide the fluid inside the extraction chamber to an outside of the compressor. A gap in a radial direction between the extraction-chamber casing and the rotor casing is larger at a first side of the extraction nozzle in a rearward rotation direction of the rotor than at a second side of the extraction nozzle in a forward rotation direction of the rotor.
    Type: Grant
    Filed: February 12, 2014
    Date of Patent: December 11, 2018
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventor: Thomas Walker
  • Patent number: 9784275
    Abstract: The invention relates to a centrifugal pump for conveying a gaseous suspension, in particular a fiber pulp suspension, which has a pump impeller (12) with at least one opening (15) in the base plate and ribs (16) on the rear side, where a separator unit (17) is provided consisting of a separator housing (25) with a stationary disc (18) and a disc (22) that rotates together with the pump shaft (21), where the separator unit (17) is arranged in the pump housing adjoining the pump impeller (12) on its rear side when viewing the pump impeller (12) in axial direction and where the separator housing (25) has a gas collecting chamber (31) with a gas discharge pipe (28). It is characterized by the disc (22) that rotates together with the pump shaft (21) having a closed surface (23) without openings. As a result, pulp losses are reduced and the centrifugal pump achieves better stability when pumping a gaseous suspension, particularly a fiber pulp suspension.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: October 10, 2017
    Assignee: ANDRITZ AG
    Inventor: Ludwig Michal
  • Patent number: 9303647
    Abstract: A priming system for preventing air-locking for use on a centrifugal pump having a priming system with a two piece detachable design. This permits the upper portion of the priming system to be removed for routine maintenance. The lower portion of the priming system includes a plurality of primary stationary vanes located longitudinally in the flow path of multi-phase fluids (air and water) which permit the removal of trapped air. Additional removable secondary vanes are located in the flow path after the primary stationary vanes and prior to the intake structure of the centrifugal pump housing. Such multiple vane structure allows the centrifugal pump to pump multi-phase fluids during a wide variety of conditions without air-locking and without requiring any modifications to the centrifugal pump impeller.
    Type: Grant
    Filed: August 15, 2012
    Date of Patent: April 5, 2016
    Inventor: Dale A. Conway
  • Patent number: 9091261
    Abstract: Embodiments of the invention provide a pump including an inlet port, an outlet port, a pumping chamber, and a porting system. The porting system includes an inlet tube including a trap in which a first volume of fluid can be collected. The porting system includes a reservoir with a first chamber and a second chamber separated by a partial port wall. The second chamber receives fluid directed over the partial port wall from the pumping chamber. The reservoir collects a second volume of fluid substantially equal to the first volume of fluid. The first volume of fluid and second volume of fluid provide enough fluid trapped inside the pump to allow the pump to temporarily operate when substantially no fluid is flowing into the inlet port.
    Type: Grant
    Filed: August 9, 2010
    Date of Patent: July 28, 2015
    Assignee: Pentair Flow Technologies, LLC
    Inventors: Patrick A. Bear, Matthew A. Cottrell
  • Patent number: 9086191
    Abstract: A method for reliably avoiding backflow in the transport of a liquid under pressure via a transport pipe (1), in which a shut-off device (2) with differential pressure switching is arranged, into a container (3) which is under pressure and which comprises the liquid to be transported and/or another liquid is proposed, wherein a pressure accumulator (4) which is filled with the liquid to be transported up to a certain level and above the liquid level, in direct contact with the liquid to be transported, with an inert gas is arranged in the transport pipe (1) upstream from the shut-off device (2) in the transport direction, the inert gas being provided in the pressure accumulator (4) under an excess pressure and in an amount relative to the container (3) to be filled which are designed so that, in the case of a drop in the pressure in the transport pipe (1), the inert gas ensures a positive pressure difference in the transport pipe (1) to the container (3) over a period which is at least as long as the reaction
    Type: Grant
    Filed: June 16, 2009
    Date of Patent: July 21, 2015
    Assignee: BASF SE
    Inventors: Franz Borgel, Alfred Krause, Mirko Kreitschmann, Anton Meier, Frank-Friedrich Pape, Wolfgang Reif, Michael Salla
  • Patent number: 9039356
    Abstract: An abrasive handling submersible pump assembly diffuser is described. An electric submersible pump assembly stage comprises a rotatable impeller, and a co-axially mounted diffuser comprising a diffuser bowl, the diffuser bowl comprising a plurality of diffuser bowl wedges having a blunted pie-shape, each of the plurality of diffuser bowl wedges protruding axially from a diffuser bowl floor into a cavity between the rotatable impeller and the co-axially mounted diffuser such that each of the plurality of diffuser bowl wedges protrudes into a path of pumped solid-laden fluid, wherein the blunted pie-shaped wedges extend radially between an inner wall and an outer wall of the diffuser bowl and a thickness of the blunted pie-shaped wedges in a circumferential direction increases towards the outer wall.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: May 26, 2015
    Assignee: Summit ESP, LLC
    Inventors: Wesley John Nowitzki, Gregory Austin Davis, Steven Andrew Lovell, John Vanderstaay Kenner
  • Publication number: 20150132115
    Abstract: A gas turbine compressor including a guide vane (1), a moving vane (2), in particular downstream, and a bleed channel (3) having an upstream channel wall (3.1), which merges into an annular space (5), an axially opposite downstream channel wall (3.2) having an inlet edge (3.3), which is rounded in particular, and a bleed channel outlet, the downstream channel wall enclosing with an axis of rotation of the compressor a first angle (?) which increases in the flow direction (x).
    Type: Application
    Filed: November 5, 2014
    Publication date: May 14, 2015
    Inventor: Roland WUNDERER
  • Patent number: 9028204
    Abstract: The centrifugal pump assembly comprises a device for separating gas from the fluid to be delivered, which is arranged on the suction side. The gas separation device is provided with an impact body (2) which at least partly is arranged in the suction-side flow path (11) of the fluid to be delivered, and on the housing side is arranged at a distance to the suction port of the pump.
    Type: Grant
    Filed: June 29, 2007
    Date of Patent: May 12, 2015
    Assignee: Grundfos Management a/s
    Inventor: Bent Døssing
  • Patent number: 8967954
    Abstract: A radial turbomachine includes a radial diffuser channel with a diaphragm, a deflecting channel connecting to the radial diffuser channel downstream thereof, and a return flow channel connecting to the deflecting channel downstream thereof. The main flow direction of the radial diffuser channel runs radially from inside to outside. The main flow direction of the deflecting channel is deflected from radially outward to radially inward. The main flow direction of the return channel runs radially from outside to inside. The diaphragm comprises first, second and third outer surface sections. The first outer surface section has a convex shape for delimiting the deflecting channel. At least one consumption-gas removal channel is provided in the diaphragm so that, if the main flow in the deflecting channel comprises solid or liquid particles, a consumption gas can be discharged therefrom through the consumption-gas removal channel as low-particulate gas of a main flow.
    Type: Grant
    Filed: November 10, 2010
    Date of Patent: March 3, 2015
    Assignee: Siemens Aktiengesellschaft
    Inventors: Werner Jonen, Peter Robens
  • Patent number: 8961110
    Abstract: A wind turbine is disclosed, the wind turbine comprising a nacelle including at least one of a debris-generating device, an inlet for air or an outlet for air. Following this invention, the wind turbine further comprises at least one electro-static filter arranged to filter at least one of the debris coming from the debris-generating device, the air coming into the nacelle through the inlet or the air coming out of the nacelle through the outlet.
    Type: Grant
    Filed: August 26, 2009
    Date of Patent: February 24, 2015
    Assignee: Vestas Wind Systems A/S
    Inventor: Brian Johansen
  • Patent number: 8961102
    Abstract: A system and method for sealing a shaft disposed for rotation within a casing, where two axially-spaced seal rings of an oil film seal extend around the shaft and define a clearance therebetween. Oil is pumped into the clearance from an oil reservoir and a portion of the oil is received in an annular port defined in the casing between an outer labyrinth seal and one of the axially-spaced seal rings. The oil mixes with a process gas to for an oil and gas mixture. A blower is in fluid communication with the annular port and circulates the oil and gas mixture to a trap where the oil is separated from the process gas and a separated process gas is returned back to the annular port.
    Type: Grant
    Filed: June 6, 2012
    Date of Patent: February 24, 2015
    Assignee: Dresser-Rand Company
    Inventor: Philippe Auber
  • Patent number: 8961111
    Abstract: According to one aspect of the invention, a turbine airfoil includes a first cavity inside the turbine airfoil configured to receive a fluid and a second cavity inside the turbine airfoil. The turbine airfoil also includes a passage inside the turbine airfoil that provides fluid communication between the first and second cavities, wherein the passage includes a curved portion configured to separate particulates from the fluid as the fluid flows through the passage.
    Type: Grant
    Filed: January 3, 2012
    Date of Patent: February 24, 2015
    Assignee: General Electric Company
    Inventors: Adebukola Oluwaseun Benson, Gary Michael Itzel, Kevin Richard Kirtley
  • Patent number: 8870994
    Abstract: A filter cassette for removing particles from an air stream is provided, The filter cassette has an upstream end, a downstream end, and includes a mounting frame to which a filter media is fitted. The filter has a mounting face positioned between the filter cassette's upstream and downstream ends at a first distance (Dup) from the upstream end and a second distance (Ddown) from the downstream end. The first and second distances each amount to more than 10% of an overall length of the filter cassette. The mounting face may be positioned centrally between the upstream and downstream ends, approximately in a barycenter line of the filter cassette. The filter cassette thus extends to both sides of the partition opening. Filter surface area is increased and torque induced by the filter cassette into the partition is reduced.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: October 28, 2014
    Assignee: W. L. Gore & Associates GmbH
    Inventor: Torsten Herrmann
  • Patent number: 8864444
    Abstract: A cooled turbine vane for a turbine engine, that includes a blade mounted on a platform carried by a base, the blade including one or more cavities formed therein for cooling air circulation, the cavity extending along the trailing edge and being supplied with cooling air by a supply duct connecting an air intake located in a lower portion of the base and the cavity of the trailing edge by defining a bend within the base. The duct includes, on an axis substantially radial relative to the air intake a bell-shaped niche located under the platform, the niche being open at a top thereof via a dusting hole extending through the platform and being defined at a foot of the base by walls extending substantially radially from the platform to close the platform laterally.
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: October 21, 2014
    Assignee: Snecma
    Inventors: Serge Louis Antunes, Jacques Auguste Amedee Boury, Patrice Jean-Marc Rosset
  • Publication number: 20140298823
    Abstract: A precooler for an aircraft engine system includes a precooler core and a precooler inlet to direct a compressor bleed flow into the precooler core to cool the compressor bleed flow. The precooler further includes a precooler outlet to direct the compressor bleed flow from the precooler to a selected component of the aircraft engine system and a precooler bleed port through which a portion of the compressor bleed flow is diverted to a secondary component of the aircraft engine system. The precooler bleed port is oriented such that flow entering the precooler bleed port must substantially reverse direction from a direction of the compressor bleed flow through the precooler.
    Type: Application
    Filed: April 3, 2013
    Publication date: October 9, 2014
    Applicant: Hamilton Sundstrand Corporation
    Inventor: Peter Bizzarro
  • Publication number: 20140286746
    Abstract: A gas turbine engine compressor includes a rotor defining a central axis of rotation and a plurality of blades which project into an annular compressor gas flow passage, and a shroud circumferentially surrounding the rotor and having a radially inner surface adjacent to the blade tips. Bleed holes extend through the shroud adjacent the blade tips, each of the bleed holes having an inlet end disposed in the shroud radially inner surface and an outlet end disposed in a shroud radially outer surface. Bleed air removed from the annular gas flow passage flows through the bleed holes from the inlet to the outlet ends. The outlet end of each bleed hole is located circumferentially upstream of the inlet end relative to a direction of rotational flow in the annular gas flow passage driven by a direction of rotation of the rotor.
    Type: Application
    Filed: March 4, 2013
    Publication date: September 25, 2014
    Applicant: Pratt & Whitney Canada Corp.
    Inventor: Pratt & Whitney Canada Corp.
  • Patent number: 8764386
    Abstract: A submersible pump, and method of making the submersible pump, is disclosed. The pump comprises a housing, a plurality of impeller stages serially disposed in the housing from a bottom impeller stage to a top impeller stage, an impeller stage bypass hole extending through one of the diffusers and a housing bypass hole extending through the housing radially outwardly from one of the impeller stages.
    Type: Grant
    Filed: August 6, 2010
    Date of Patent: July 1, 2014
    Assignee: Franklin Electric Co., Inc.
    Inventor: James J. Volk
  • Patent number: 8714917
    Abstract: A pump having anti-airlock provisions. The pump is comprised of a volute comprised of a volute wall, and an impeller comprising back vanes on a side of the impeller that is proximate to the volute wall, with the back vanes having a length extending radially outwardly along the impeller. A bleed hole is formed in the volute wall in communication with the portion of the volute between the back vanes and the volute wall, and the exterior of the volute, such that the bleed hole is located midway along the length of the back vanes. When the pump is operating with air, liquid, or a combination of air and liquid in the volute, the bleed hole is under positive pressure with respect to the exterior of the volute. The bleed hole may be in communication with the exterior of the volute through a lateral tunnel formed in the pump.
    Type: Grant
    Filed: February 15, 2011
    Date of Patent: May 6, 2014
    Assignee: Liberty Pumps Inc.
    Inventors: Donald M. Pohler, Matthew S. Heinsler
  • Publication number: 20140050570
    Abstract: An apparatus, system and method for pumping gaseous fluid are described. The gas separator of the invention homogenizes at least a portion of produced well fluid and vents unhomogenized gas thereby improving the efficiency and decreasing the downtime of the assembly. A system for pumping gaseous fluid from an underground well comprises a gas separator, the gas separator comprising an impeller configured to homogenize at least a portion of a gas and a liquid in a pumped fluid to obtain homogenized fluid, the impeller comprising a top side open to the diffuser and a truncated vane located at a mid-pitch location between at least two untruncated vanes starting from a bottom side of the impeller, and a gas separation chamber downstream of the impeller, the gas separation chamber configured to vent an unhomogenized gas, and a centrifugal pump arranged to receive the homogenized fluid from the gas separation chamber.
    Type: Application
    Filed: October 24, 2013
    Publication date: February 20, 2014
    Applicant: Summit ESP, LLC
    Inventors: Shiv Jayaram, Freddie George Walton, David Thomas Jolly, Steven Keith Tetzlaff
  • Publication number: 20140023485
    Abstract: The invention relates to a centrifugal pump for conveying a gaseous suspension, in particular a fiber pulp suspension, which has a pump impeller (12) with at least one opening (15) in the base plate and ribs (16) on the rear side, where a separator unit (17) is provided consisting of a separator housing (25) with a stationary disc (18) and a disc (22) that rotates together with the pump shaft (21), where the separator unit (17) is arranged in the pump housing adjoining the pump impeller (12) on its rear side when viewing the pump impeller (12) in axial direction and where the separator housing (25) has a gas collecting chamber (31) with a gas discharge pipe (28). It is characterized by the disc (22) that rotates together with the pump shaft (21) having a closed surface (23) without openings. As a result, pulp losses are reduced and the centrifugal pump achieves better stability when pumping a gaseous suspension, particularly a fiber pulp suspension.
    Type: Application
    Filed: September 23, 2011
    Publication date: January 23, 2014
    Applicant: ANDRITZ AG
    Inventor: Ludwig Michal
  • Patent number: 8596966
    Abstract: A turbine stator vane with a cooling circuit that improves the cooling effectiveness of the airfoil as well as collects any dirt particles before passing the clean cooling air through the cooling circuit. The airfoil includes a 3-pass aft flowing serpentine circuit with a first leg located along the airfoil leading edge and connected to a showerhead arrangement for film cooling discharge. A cooling air supply channel is located between the first leg and the second leg of the serpentine flow circuit, and the cooling supply channel includes ribs arranged to produce a vortex flow within the cooling air that collects the dirt particles within a center of the vortex flow and deposits the dirt particles at the bottom of the channel. The vortex flow cooling air flows through impingement holes to produce impingement cooling on the backside wall of the leading edge with clean cooling air.
    Type: Grant
    Filed: March 8, 2012
    Date of Patent: December 3, 2013
    Assignee: Florida turbine Technologies, Inc.
    Inventor: George Liang
  • Patent number: 8591180
    Abstract: A steam turbine nozzle assembly having a flush aperture is disclosed. In one embodiment, the steam turbine nozzle assembly includes a diaphragm assembly comprising: an inner diaphragm ring segment; an outer diaphragm ring segment; a static nozzle blade positioned between the inner diaphragm ring segment and the outer diaphragm ring segment; and a first cavity between the static nozzle blade and one of the inner diaphragm ring segment or the outer diaphragm ring segment; wherein the one of the inner diaphragm ring segment or the outer diaphragm ring segment includes a first aperture fluidly connected with the first cavity.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: November 26, 2013
    Assignee: General Electric Company
    Inventors: James Peter Anderson, Steven Sebastian Burdgick, Mark Edward Burnett, Dominick Joseph Werther
  • Patent number: 8568090
    Abstract: A system for removing moisture from a steam/water mixture engaging a stationary component of a steam turbine. The system includes an airfoil located within a flow path of a steam turbine. The airfoil is configured for removing moisture from a steam/water mixture traveling in the flow path. To this end, the airfoil includes a cavity in flow communication with the steam path through at least one inlet and outlet opening, near the leading and trailing edge of the airfoil, respectively. Moisture and steam are extracted from the surface through the inlet openings, the steam and water are separated in the cavity, the separated water flows towards the bottom end, and the dry steam flows through the outlet opening and returns to the steam path. The dry steam blowing out of the trailing edge reduces the size of secondary droplets, and thereby prevents erosion.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: October 29, 2013
    Assignee: General Electric Company
    Inventors: Tao Guo, Jonathon E. Slepski, Kenneth M. Koza
  • Publication number: 20130280028
    Abstract: A thermal management system for a gas turbine engine includes a high pressure compressor rotor having a plurality of disks and a shaft; at least one forward cavity formed between a rim of at least one of the disks and the shaft and at least one aft cavity formed between a rim of at least one other of the disks and the shaft; a first flow of cooling air in the at least one forward cavity; and a second flow of cooling air in the at least one aft cavity.
    Type: Application
    Filed: April 24, 2012
    Publication date: October 24, 2013
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: Daniel Benjamin, Daniel Carminati, David S. Jang
  • Patent number: 8529195
    Abstract: An inducer for a casing of a gas turbine system is disclosed. The inducer includes a plurality of orifices defined in the casing, the plurality of orifices disposed in an annular array about the casing, and a plurality of cartridges, each of the plurality of cartridges configured to mate with one of the plurality of orifices. Each of the plurality of cartridges includes an inlet and an outlet for flowing a cooling medium therethrough. The inducer further includes at least one flow modifier disposed in each of the plurality of cartridges for modifying the flow of the cooling medium through each of the plurality of cartridges. Each of the plurality of cartridges is independently removable from each of the plurality of orifices.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: September 10, 2013
    Assignee: General Electric Company
    Inventor: Stanley Kevin Widener
  • Patent number: 8499432
    Abstract: A wastegate assembly (200) for a turbocharger (101) or the like is provided having a support plate (300), an actuator (275), a linkage (250) operably connected to the actuator (275), and a valve plate (225) operably connected to the linkage (250). The linkage (250) translates actuation of the actuator (275) to movement of the valve plate (225) thereby sealing or unsealing the bypass outlet (500). The actuator (275), linkage (250) and valve plate (225) can be pre-assembled to the support plate (300) prior to the support plate (300) being connected to the turbine housing (102). The actuator (275), linkage (250) and valve plate (225) can be calibrated prior to the wastegate assembly (200) being connected to the turbine housing (102). The bypass outlet (500) can be machined via access provided by the wastegate port (400).
    Type: Grant
    Filed: March 4, 2008
    Date of Patent: August 6, 2013
    Assignee: BorgWarner Inc.
    Inventor: Michael E. Harris
  • Patent number: 8474433
    Abstract: During engine braking of a turbocharged internal combustion engine, the exhaust gas pressure increases and this is used to pressurize the seals between the turbocharger shaft and the bearing housing so as to prevent oil leakage into the compressor housing. Immediately after engine braking, stored exhaust gas pressure is used to pressurize the seals at the turbine end so as to prevent oil leakage into the turbine housing. In an alternative arrangement the exhaust gas is used to generate a reduced pressure in the bearing housing to increase the pressure gradient across the seals.
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: July 2, 2013
    Assignee: Cummins Turbo Technologies Limited
    Inventor: Pierre French
  • Patent number: 8439633
    Abstract: A steam turbine includes a diffuser that has a bearing cone and an inner plate of a steam guide that define a passage through which steam flows. An outer plate is disposed with respect to the inner plate such that an opening is located between the inner and outer plates. At least one hole is located in the inner plate. A water tube is disposed in the opening, the water tube having water flowing therethrough which condenses at least a portion of a flow of steam flowing in the passage thereby creating at least a partial vacuum within the opening. The vacuum creates a suction effect through the at least one hole in the inner plate that can cause at least a portion of the flow of steam in the passage to attach itself to an inner surface of the inner plate.
    Type: Grant
    Filed: January 4, 2010
    Date of Patent: May 14, 2013
    Assignee: General Electric Company
    Inventors: Kamlesh Mundra, Prakash B. Dalsania
  • Patent number: 8439655
    Abstract: Ventilating device (1) comprising a casing (6) intended to channel at least one air flow (3) created by a blower wheel (5), the said casing (6) delimites a main air channel (7) in which a main air flow (3a) circulates and a secondary air channel (8) intended to bring towards a motor (4) a secondary air flow (3b) in order to cool the motor (4), the said secondary air channel (8) comprising a inlet (11) arranged in a main channel wall (7c) and a outlet arranged in a plan containing a casing end by which the wheel (5) is introduced, the said secondary channel (8) further comprising a means intended to change at least twice the direction of the secondary air flow (3b) when the secondary air flow (3b) passes through the secondary air channel (8).
    Type: Grant
    Filed: April 4, 2007
    Date of Patent: May 14, 2013
    Assignee: Valeo Systemes Thermiques S.A.S.
    Inventor: Serge Pouysegur
  • Patent number: 8425181
    Abstract: The axial-flow turbine includes an extraction chamber 15 disposed on the outer circumference of a turbine blade chamber 12 and an extraction opening 16. An outer diaphragm 8 forming the downstream-side wall surface of the extraction chamber 15 is provided with a projection 21 formed more radially inwardly than the downstream-side edge on the outer circumference of an adjacent bucket 2 on the upstream side of the extraction opening 16 to form the downstream-side wall surface of the extraction opening 16. The projection 21 forms an upstream-side wall surface 18 of the outer diaphragm 8 for leading a part of the working fluid to the extraction chamber 15, and an inner wall surface 19 of the outer diaphragm 8 for leading the remaining working fluid to a bucket 11 on the downstream side of the extraction opening 16.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: April 23, 2013
    Assignee: Hitachi, Ltd.
    Inventor: Shigeki Senoo
  • Patent number: 8388308
    Abstract: A system for asymmetric flow extraction is described and claimed, the system comprising a flow path, a bleed slot in the flow path, a bleed cavity for receiving at least a portion of the fluid extracted from the flow path and a bleed passage in flow communication with the bleed slot and the bleed cavity wherein the bleed passage has at least one deflector having a shape such that the width of the bleed passage cross section varies in a direction normal to the direction of fluid flow in the bleed passage. In another embodiment, the deflector has an aerodynamic surface having a shape such that the flow passage between the aerodynamic surface and a surface located away from it has a cross sectional shape that is non-axisymmetric. In another embodiment, the bleed passage comprises an assembly of a plurality deflectors, arranged circumferentially.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: March 5, 2013
    Assignee: General Electric Company
    Inventors: Apostolos Pavlos Karafillis, Kalyanasundaram Muruganathan, Samuel Rulli, David Cory Kirk, Donald Charles Slavik, Erich Alois Krammer, Manish Kumar
  • Publication number: 20130017066
    Abstract: A compressor includes a rotor platform; a rotor blade; and a casing having an inner surface surrounding the tip and spaced radially outwardly from the tip to define a gap. A secondary air flow system includes a bleed inlet configured to remove secondary air flow from the primary air flow; an injection opening disposed in the inner surface of the casing upstream of the bleed inlet; an accessory conduit; and a plenum fluidly coupled to the bleed inlet, the injection opening, and the accessory conduit. The bleed inlet and plenum at least partially define a secondary air flow path such that a first portion of the secondary air flow is directed in through the bleed inlet, through the plenum, and out through the injection opening and a second portion of the secondary air flow is directed in through the bleed inlet, through the plenum, and out through the accessory conduit.
    Type: Application
    Filed: July 14, 2011
    Publication date: January 17, 2013
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Nick Nolcheff, Jong Lee
  • Patent number: 8353665
    Abstract: An impeller for use in a two-chamber extracting blower that separates liquid and solid contaminants from a supply of and provides a supply of clean air moving at high velocity air. The impeller includes a plurality of blades wherein each blade includes a first section perpendicular to and formed of the blade and a second section perpendicular to the first section, also formed of the blade and radiating outward. The height of each section and the construction of the main section of the blade create differing pressure zones during rotation of the impeller, segregating air contain the impurities and prompting separation of the impurities. The construction of the first and second sections promotes more efficient and quieter operation, strengthens the blade, and permits removal of the impeller.
    Type: Grant
    Filed: April 23, 2010
    Date of Patent: January 15, 2013
    Assignee: GlobalTech Motor & Controls, Inc.
    Inventors: Frank T. Stockstill, Fernando Osornia, Fernando S. Osornia
  • Publication number: 20120315131
    Abstract: An axial turbocompressor having an annular compressor passage which is arranged concentrically around a rotational axis, is delimited radially on the outside by a passage wall, and in which rotor blades, which may be assembled to form a ring, are arranged in a rotatably mounted manner around the rotational axis, is provided. The free-ending tips of the rotor blades lie opposite the passage wall in each case, forming a gap, and the passage wall, in the axial section of the tips, at least partially has a wall structuring and wherein a bleed opening of a bleed passage is provided in the passage wall for the tapping of medium flowing in the compressor passage. In order to enable an exceptionally efficient bleed of medium flowing in the compressor passage, the bleed opening is located in the wall structuring.
    Type: Application
    Filed: June 5, 2012
    Publication date: December 13, 2012
    Inventor: Dirk MERTENS
  • Patent number: 8282341
    Abstract: With highly loaded rotors and stators problems can occur with secondary flows sweeping low momentum fluid across the blades reducing efficiency. By provision of collector slots to collect the secondary air and direct that air to a return slot in a rotor hub it is possible to provide impetus to the collected secondary flow to an outlet slot such that there is dispersal of the secondary flow and therefore reduce the effects upon the overall performance of a gas turbine engine incorporating the arrangement.
    Type: Grant
    Filed: February 25, 2010
    Date of Patent: October 9, 2012
    Assignee: Rolls-Royce PLC
    Inventors: Christopher Freeman, Ivor J Day
  • Patent number: 8282338
    Abstract: An underwater generator for generating electricity including: a casing, a turbine propeller assembly configured within the casing; a platform, where the platform provides a mechanism to hold the casing; a cover member, where the cover member protects the turbine propeller assembly; and a power cable for transmitting electrical energy from the underwater generator to a user thereof. The casing may include a slit at a bottom portion, where the slit allows the removal of sediments, sand particles and similar materials. The turbine propeller assembly includes a plurality of blades. In one exemplary embodiment, the blades may turn in two directions.
    Type: Grant
    Filed: June 8, 2009
    Date of Patent: October 9, 2012
    Inventor: Mark Kliewer
  • Publication number: 20120201655
    Abstract: The invention relates to a turbine casing (1) of an exhaust-gas turbocharger (62), having an inlet connection piece (2) adjoined by a spiral (3), and having an outlet connection piece (4), characterized by an insulating device (5) for reducing the input of heat into the inlet connection piece (2), the spiral (3) and/or the outlet connection piece (4).
    Type: Application
    Filed: October 22, 2010
    Publication date: August 9, 2012
    Applicant: BORGWARNER INC.
    Inventors: Susumu Kusakabe, Fumio Kubono, Mamoru Suzuki, Takao Yoshizawa
  • Patent number: 8192144
    Abstract: A centrifugal turbocompressor including an open-type impeller and a casing compresses a gaseous body that condenses into a liquid. The compressor suppresses erosion due to accumulation of a liquid on a casing surface in the compressor. Such accumulation is possible during the starting time of the compressor, if the gaseous body that has come into contact with the casing condenses on the surface of the casing and changes into liquid droplets, centrifugal force may cause the droplets to accumulate on the surface of the casing positioned outside an impeller, and thus to grow into coarser and larger droplets or a liquid film. If the blade tips of the impeller rotating at high speed scrape the droplets or the film upward, erosion of the blade tips is liable to result.
    Type: Grant
    Filed: August 19, 2008
    Date of Patent: June 5, 2012
    Assignee: Hitachi, Ltd.
    Inventor: Takanori Shibata
  • Patent number: 8182674
    Abstract: The device (100) serves to separate solid particles from the water of a flow (E) feeding a hydraulic machine of the turbine, pump, or turbine-pump type. The device has flow inlet and outlet zones (104, 105) for the flow that are spaced apart along an advance axis (X100) of flow advance through the device (100). The device (100) comprises a plurality of ducts (110) placed in parallel, each having a mouth and a downstream end between the inlet zone (104) and the outlet zone (105). In section perpendicular to the advance axis (X100), each duct presents a section in the form of a spiral with a radius of curvature that increases from the mouth towards the downstream end or from the downstream end towards the mouth, with each duct (110) presenting a thickness measured in a generally radial direction relative to the advance axis that is less than 10% of the width (l110) of said duct, measured parallel to said axis (X100).
    Type: Grant
    Filed: July 16, 2009
    Date of Patent: May 22, 2012
    Assignee: ALSTOM Hydro France
    Inventor: Serge Prigent
  • Patent number: 8172549
    Abstract: In order to ventilate a centrifugal pump (1) having a centrifugal pump outlet space (6) and a centrifugal pump suction space (4), as well as having an additional ventilation pump (3), preferably configured as a vacuum pump, having a ventilation pump inlet (14) and a ventilation pump outlet (15), which pump has a particularly simple structure and which can automatically ventilate itself, if necessary, without any complicate switching processes, it is proposed that both the ventilation pump inlet (14) and the ventilation pump outlet (15) are connected with the centrifugal pump outlet space (6) by way of a connection line (16, 17), in each instance, forming a secondary line.
    Type: Grant
    Filed: March 27, 2007
    Date of Patent: May 8, 2012
    Assignee: Alfa Laval Kolding A/S
    Inventor: Jesper Raabjerg Jensen
  • Publication number: 20120099966
    Abstract: A rotary compressor including a housing that defines an inlet, a low pressure chamber, an outlet, and a high pressure chamber defining a high pressure lubricant sump. A drive shaft passes through the housing and a compression element is coupled to the drive shaft between the low pressure chamber and the high pressure chamber. A first path connects the high pressure lubricant sump to the low pressure chamber such that lubricant flows through the first path from the high pressure lubricant sump to the low pressure chamber. A low pressure lubricant sump is positioned within the low pressure chamber and includes a movable gate movable from a closed position to an open position in response to a hydrostatic pressure of the lubricant within the low pressure lubricant sump. A second path connects a lubricant separator and the low pressure lubricant sump.
    Type: Application
    Filed: October 20, 2010
    Publication date: April 26, 2012
    Applicant: THERMO KING CORPORATION
    Inventor: YoungChan Ma
  • Patent number: 8128347
    Abstract: A bleed valve for a gas turbine engine, the valve comprises a diffuser having a plurality of holes through which a bleed fluid flows and into a fluid stream. The diffuser is characterized in that at least some of the holes are at least partially tangentially angled relative to the bleed fluid flow through the valve so that the bleed air forms a vortex to enhance mixing with the fluid stream.
    Type: Grant
    Filed: July 25, 2007
    Date of Patent: March 6, 2012
    Assignee: Rolls-Royce PLC
    Inventor: Jagdish S. Sokhey