Patents by Inventor Stephen A. Ramier
Stephen A. Ramier has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20150345795Abstract: A fuel nozzle assembly (10) is presented for a gas turbine engine (12). The fuel nozzle assembly (10) includes a rocket unit (14) and a swirler (16) with an aft end (18) in threaded engagement with a forward end (20) of the rocket unit (14). The fuel nozzle assembly (10) may include an oil tip (36) including a clocking feature with a mechanical constraint to orient the oil tip (36) at a predetermined angular orientation (42) relative to the swirler (16). The fuel nozzle assembly (10) may include one or more gas stage inlets (13, 15), one or more oil stage inlets (17, 19), and a flexible hose (26) to direct the oil to a plurality of rocket units (14).Type: ApplicationFiled: June 3, 2014Publication date: December 3, 2015Applicant: SIEMENS AKTIENGESELLSCHAFTInventors: Stephen A. Ramier, Thomas Hauser, Jürgen Buchheim
-
Patent number: 9163841Abstract: A casting (52) for a support housing (50), including: a fuel manifold (56) comprising an a-stage gas gallery (80) and a b-stage gas gallery (82); a-stage and a b-stage rocket bases (60) integrally cast with the fuel manifold (56), the a-stage gas gallery (80) in fluid communication with the a-stage stage rocket bases and the b-stage gas gallery (82) in fluid communication with the b-stage rocket bases; and one oil tube passageway (64) for each fuel rocket base (60), each oil tube passageway (64) spanning from an upstream end (66) of the fuel manifold (56) to an interior (68) of a respective fuel rocket base (60). Each oil tube passageway (64) is disposed radially inward of an inner perimeter (102) of the b-stage gas gallery (82).Type: GrantFiled: September 19, 2012Date of Patent: October 20, 2015Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Stephen A. Ramier, Abhijeet Tiwary, Timothy A. Fox, James Bertoncello, Steven Williams, Daniel W. Garan
-
Patent number: 9157370Abstract: A burner assembly is provided. The burner assembly includes a support housing with a supply manifold, the supply manifold includes a fuel passage system, and fuel nozzles extending from the supply manifold and being supplied with fuel through the fuel passage system of the supply manifold. The supply manifold is sandwiched using at least two subparts.Type: GrantFiled: February 23, 2010Date of Patent: October 13, 2015Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Andreas Böttcher, Timothy A. Fox, Thomas Grieb, Birgit Grüger, Tobias Krieger, Stephen A. Ramier, Christin Schlensog, Holger Streb
-
Publication number: 20150159878Abstract: A combustor for a gas turbine engine includes a pilot fuel injector and a plurality of circumferentially located main injectors for injecting fuel and air into a combustion chamber defined by a liner wall of a combustor basket. A combustion zone is located in the combustion chamber where the fuel and air are ignited to produce hot combustion gases. A plurality of vortex generators are located in circumferentially spaced relation on the liner wall and comprise structures extending radially inward into the combustion chamber to create vortices at predetermined circumferential locations downstream from where the fuel and air are ignited to effect a reduction in emissions of the combustion gases.Type: ApplicationFiled: December 11, 2013Publication date: June 11, 2015Inventors: Kai-Uwe Schildmacher, Danning You, Ulrich Wörz, Stephen A. Ramier
-
Patent number: 8955328Abstract: A burner arrangement is provided. The burner arrangement includes a support and at least two fuel nozzles attached to the support in the direction of flow, with each fuel nozzle including a support-side section which includes a contact surface on the support side with which it rests on a supporting surface of the support, with at least two fuel nozzle tips embodied in one piece extending out from the support-side section in the direction of flow and the support-side contact surface including at least two extension parts projecting in the direction of the support, with the extension parts each embodying a channel through which fuel is fed in each case to the fuel nozzle tips through passages which are arranged in the support-side contact surface of the support-side section.Type: GrantFiled: February 17, 2011Date of Patent: February 17, 2015Assignee: Siemens AktiengesellschaftInventors: Andreas Böttcher, Timothy A. Fox, Thomas Grieb, Tobias Krieger, Stephen A. Ramier
-
Publication number: 20150000283Abstract: A combustor apparatus defining a combustion zone where air and fuel are burned to create high temperature combustion products. The combustor apparatus comprises an outer wall including a fuel inlet opening for receiving a fuel feed pipe. A coupling assembly is engaged with the fuel feed pipe at the fuel inlet opening to attach the fuel feed pipe to the outer wall. A fuel injection system is located in the interior volume of the outer wall and comprises fuel supply structure including a fuel feed block having a fuel intake passage aligned with the outlet portion of the fuel feed pipe. A coupling fastener is engaged against an exterior outer face of the fuel feed block to create a sealed coupling for containing fuel passing from the fuel feed pipe into the fuel feed block, and to secure the fuel feed block relative to the coupling assembly.Type: ApplicationFiled: June 27, 2013Publication date: January 1, 2015Inventors: Stephen A. Ramier, David J. Wiebe, Lawrence P. Budnick, Mark L. Adamson, Daniel W. Garan, Robert H. Bartley, Yadollah Naghian
-
Publication number: 20140245740Abstract: A combustor apparatus defines a combustion zone where air and fuel are burned to create high temperature combustion products. The combustor apparatus includes an outer wall, coupling structure on the outer wall adjacent to a fuel inlet opening thereof, a fuel injection system, a fuel feed assembly, and a fitting member. The fuel injection system provides fuel to be burned in the combustion zone. The fuel supply structure includes a threaded inner surface formed from a first material. The fuel feed assembly includes a fuel feed pipe that extends through the fuel inlet opening in the outer wall and has an outlet portion formed from the first material and that is threadedly engaged with the fuel supply structure, and an inlet portion affixed to the outlet portion and formed from a second material. The fitting member secures the fuel feed assembly relative to the outer wall.Type: ApplicationFiled: March 4, 2013Publication date: September 4, 2014Inventors: David J. Wiebe, Stephen A. Ramier, Robert H. Bartley, Daniel W. Garan, Erick J. Deane, Mark L. Adamson, Yadollah Naghian
-
Publication number: 20140130502Abstract: An assembly for a gas turbine is presented. The assembly includes a gas supply pipe passing through a bore in a flange of the gas turbine for supplying gas to a combustion chamber of the gas turbine and a sleeve surrounding the gas supply pipe, having a first end and a second end, wherein the first end is sealingly coupled to the gas supply pipe, and wherein the sleeve is adapted to be sealingly coupled to the flange at the second end such that the sleeve extends along a thickness of the flange.Type: ApplicationFiled: November 30, 2011Publication date: May 15, 2014Inventors: Andreas Böttcher, Timothy A. Fox, Daniel W. Garan, Thomas Grieb, Jens Kleinfeld, Tobias Krieger, Stephen A. Ramier, David M. Ritland, Marcus Zurhorst
-
Patent number: 8516820Abstract: A fuel injector assembly for use in a turbine engine having a combustion section and a turbine section downstream from the combustion section. The fuel injector assembly includes a flow sleeve defining a pre-mixing passage of the combustion section and including a sleeve wall having a forward end proximate to a cover plate of the combustion section and an opposed aft end. An annular cavity in fluid communication with a source of fuel is formed in the sleeve wall adjacent the aft end. A fuel dispensing structure is associated with the cavity and includes at least one fuel distribution aperture for distributing fuel from the cavity to the pre-mixing passage.Type: GrantFiled: July 28, 2008Date of Patent: August 27, 2013Assignee: Siemens Energy, Inc.Inventors: Stephen A. Ramier, William R. Ryan
-
Publication number: 20120137691Abstract: An assembly for a gas turbine is presented. The assembly includes a gas supply pipe passing through a bore in a flange of the gas turbine for supplying gas to a combustion chamber of the gas turbine and a sleeve surrounding the gas supply pipe, having a first end and a second end, wherein the first end is sealingly coupled to the gas supply pipe, and wherein the sleeve is adapted to be sealingly coupled to the flange at the second end such that the sleeve extends along a thickness of the flange.Type: ApplicationFiled: December 1, 2010Publication date: June 7, 2012Inventors: Andreas Bõttcher, Timothy A. Fox, Daniel W. Garan, Thomas Grieb, Jens Kleinfeld, Tobias Krieger, Stephen A. Ramier, David M. Ritland, Marcus Zurhorst
-
Publication number: 20120047900Abstract: A burner assembly is provided. The burner assembly includes a support housing with a supply manifold, the supply manifold includes a fuel passage system, and fuel nozzles extending from the supply manifold and being supplied with fuel through the fuel passage system of the supply manifold. The supply manifold is sandwiched using at least two subparts.Type: ApplicationFiled: February 23, 2010Publication date: March 1, 2012Inventors: Andreas Böttcher, Tiimothy A. Fox, Thomas Grieb, Birgit Grüger, Tobias Krieger, Stephen A. Ramier, Christin Schlensog, Holger Streb
-
Publication number: 20110203285Abstract: A burner arrangement is provided. The burner arrangement includes a support and at least two fuel nozzles attached to the support in the direction of flow, with each fuel nozzle including a support-side section which includes a contact surface on the support side with which it rests on a supporting surface of the support, with at least two fuel nozzle tips embodied in one piece extending out from the support-side section in the direction of flow and the support-side contact surface including at least two extension parts projecting in the direction of the support, with the extension parts each embodying a channel through which fuel is fed in each case to the fuel nozzle tips through passages which are arranged in the support-side contact surface of the support-side section.Type: ApplicationFiled: February 17, 2011Publication date: August 25, 2011Inventors: Andreas Böttcher, Timothy A. Fox, Thomas Grieb, Tobias Krieger, Stephen A. Ramier
-
Patent number: 7762074Abstract: A burner (27) of a gas turbine engine (10) includes a cylindrical basket (60) comprising an air flow reversal region (86). The flow reversal region ends at an air inlet plane (84) of the basket. The burner also includes a flow conditioner (90) disposed in the flow reversal region transecting an air flow (80) flowing non-uniformly through the flow reversal region, the flow conditioner being effective to mitigate variation of the air flow entering the basket across the inlet plane.Type: GrantFiled: April 4, 2006Date of Patent: July 27, 2010Assignee: Siemens Energy, Inc.Inventors: Robert J. Bland, John Battaglioli, Anil Gulati, Stephen Ramier
-
Publication number: 20100018209Abstract: A fuel injector assembly for use in a turbine engine having a combustion section and a turbine section downstream from the combustion section. The fuel injector assembly includes a flow sleeve defining a pre-mixing passage of the combustion section and including a sleeve wall having a forward end proximate to a cover plate of the combustion section and an opposed aft end. An annular cavity in fluid communication with a source of fuel is formed in the sleeve wall adjacent the aft end. A fuel dispensing structure is associated with the cavity and includes at least one fuel distribution aperture for distributing fuel from the cavity to the pre-mixing passage.Type: ApplicationFiled: July 28, 2008Publication date: January 28, 2010Applicant: Siemens Power Generation, Inc.Inventors: Stephen A. Ramier, William R. Ryan
-
Publication number: 20070227148Abstract: A burner (27) of a gas turbine engine (10) includes a cylindrical basket (60) comprising an air flow reversal region (86). The flow reversal region ends at an air inlet plane (84) of the basket. The burner also includes a flow conditioner (90) disposed in the flow reversal region transecting an air flow (80) flowing non-uniformly through the flow reversal region, the flow conditioner being effective to mitigate variation of the air flow entering the basket across the inlet plane.Type: ApplicationFiled: April 4, 2006Publication date: October 4, 2007Inventors: Robert Bland, John Battaglioli, Anil Gulati, Stephen Ramier
-
Patent number: 7080515Abstract: A gas turbine engine (120) includes a cylindrical basket (146) having an axis (14) and a single main burner assembly (12) disposed within the basket. A burner insert (34) is disposed in an annular space between the burner assembly and the basket. The insert includes a face perpendicular to the axis of the basket. A plurality of passageways (114) are formed in the basket, positioned proximate to and downstream of the burner insert for allowing passage of a portion of an oxidizer flow (42) into a combustion chamber (30). A fluid flow path (38), defined between a combustion chamber liner portion (32) of the basket and a casing (40) spaced radially outward from the combustion liner portion, discharges a fluid into a flow reversal region (118) proximate an inlet (20) of the burner assembly. A fuel outlet (44) is disposed in the flow reversal region.Type: GrantFiled: September 19, 2003Date of Patent: July 25, 2006Assignee: Siemens Westinghouse Power CorporationInventors: Samer P. Wasif, Udo Schmitz, Robert Bland, Karsten Jordan, John Carl Glessner, J. Scott Markovitz, Bernd Prade, David Kargetta, Stephen Ramier, Stefan Dahlk
-
Publication number: 20050016178Abstract: A gas turbine engine (120) includes a cylindrical basket (146) having an axis (14) and a single main burner assembly (12) disposed within the basket. A burner insert (34) is disposed in an annular space between the burner assembly and the basket. The insert includes a face perpendicular to the axis of the basket. A plurality of passageways (114) are formed in the basket, positioned proximate to and downstream of the burner insert for allowing passage of a portion of an oxidizer flow (42) into a combustion chamber (30). A fluid flow path (38), defined between a combustion chamber liner portion (32) of the basket and a casing (40) spaced radially outward from the combustion liner portion, discharges a fluid into a flow reversal region (118) proximate an inlet (20) of the burner assembly. A fuel outlet (44) is disposed in the flow reversal region.Type: ApplicationFiled: September 19, 2003Publication date: January 27, 2005Inventors: Samer Wasif, Udo Schmitz, Robert Bland, Karsten Jordan, John Glessner, J. Markovitz, Bernd Prade, David Kargetta, Stephen Ramier, Stefan Dahlk