Patents by Inventor Stephen Williamson
Stephen Williamson 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).
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Publication number: 20240133298Abstract: A turbine blade includes an airfoil section, wherein at least one cooling hole is formed a tip floor of the airfoil section, which is fluidically connected to an internal coolant cavity of the airfoil section. The turbine blade further includes an additively manufactured tip cap formed via layer-by-layer deposition of material directly over the tip floor of the airfoil section. The tip cap includes at least one squealer tip rail extending outward from the tip floor. The at least one squealer tip rail comprises an embedded cooling channel formed therein. The embedded cooling channel is aligned with and fluidically connected to the at least one cooling hole formed through the tip floor of the airfoil section. The embedded cooling channel comprises one or more outlets located on at least one of a side face and a top face of the at least one squealer tip rail.Type: ApplicationFiled: September 30, 2020Publication date: April 25, 2024Inventors: Stephen Williamson, Lieke Wang, Mehmet Gungor, Nan Jiang
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Publication number: 20240101324Abstract: A container assembly is disclosed in various configurations such as a flexible or substantially rigid wall. The container, therefore, may at least partially enclose a container volume. A cap assembly may be retained, such as tethered, to the container in a selected manner.Type: ApplicationFiled: September 22, 2022Publication date: March 28, 2024Inventors: Stephen GOSLING, David A. WILLIAMSON, Pete WALTERS
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Publication number: 20240068368Abstract: A turbine blade includes a platform, a blade airfoil attached to one side of the platform, a blade root attached to the other side of the platform, a manifold attached to the blade root. The blade root defines a first cooling passage and a second cooling passage. The manifold includes an outer wall, a first compartment having a first flow area defined by a first aperture formed at the outer wall, and a second compartment having a second flow area defined by a second aperture formed at the outer wall. The first compartment meters a non-zero first flow of cooling air to the first cooling passage through the first flow area. The second compartment meters a non-zero second flow of cooling air to the second cooling passage through the second flow area that is different than the first flow area.Type: ApplicationFiled: June 15, 2023Publication date: February 29, 2024Inventors: Yevgeniy P. Shteyman, Phillip W. Gravett, Stephen Williamson
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Publication number: 20240035386Abstract: A turbine blade includes a blade platform, a blade airfoil that extends from the blade platform toward a blade tip, the blade airfoil having a pressure side wall and a suction side wall joined at a blade leading edge and a blade trailing edge, a tip cap surface defined at an end of the blade airfoil facing the blade tip, a squealer tip wall that extends along a portion of the pressure side wall and a portion of the suction side wall from the tip cap surface to the blade tip and from the blade leading edge toward the blade trailing edge, and a chamfered surface formed as a part of the squealer tip wall at a region that is adjacent to the blade trailing edge.Type: ApplicationFiled: June 20, 2023Publication date: February 1, 2024Inventors: Nan Jiang, Shantanu P. Mhetras, Stephen Williamson, John Harrington
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Patent number: 11365638Abstract: A turbine blade tip includes a squealer tip wall having a forward surface that is continuous with an outer surface of an airfoil pressure sidewall. A plurality of cooling channels are provided spaced apart along a contour of the squealer tip wall. Each cooling channel includes: an inlet configured for receiving a coolant from airfoil internal cavity; an upstream section including a closed channel extending from the inlet to the forward surface of the squealer tip wall; and a downstream section including an open channel formed by a slot on the forward surface of the squealer tip wall. The slot extends radially outward in a downstream direction so as to guide the coolant along the forward surface toward a radially outermost tip of the squealer tip wall.Type: GrantFiled: August 14, 2017Date of Patent: June 21, 2022Assignee: SIEMENS ENERGY GLOBAL GMBH & CO. KGInventors: Stephen Williamson, Nan Jiang
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Publication number: 20210086467Abstract: A corrugated sheet processing apparatus is disclosed, comprising feed and guide rollers for selecting, moving and supporting sheets or webs to a corrugator for forming a corrugated sheet; and a control system for controlling the sheet processing equipment or a cutter; the sheet processing apparatus further comprising a visual inspection unit for reading printed information markers on at least one printed sheet or web as the printed sheet or web pass through the corrugated sheet processing apparatus, or corrugator; and wherein the control system further has a data look-up table whereby the apparatus can identify what products will be produced downstream of the visual inspection unit, and the required settings for the sheet processing equipment or corrugator for those products.Type: ApplicationFiled: December 1, 2020Publication date: March 25, 2021Inventors: Tony Lang, Stephen Williamson, Glyn Tomlinson
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Patent number: 10882271Abstract: A corrugated sheet processing apparatus (120) is disclosed, comprising feed and guide rollers for selecting, moving and supporting sheets or webs to a corrugator (136) for forming a corrugated sheet; and a control system for controlling the sheet processing equipment (136) or a cutter (148); the sheet processing apparatus (136) further comprising a visual inspection unit (162) for reading printed information markers on at least one printed sheet or web as the printed sheet or web pass through the corrugated sheet processing apparatus (136) or corrugator; and wherein the control system further has a data look-up table whereby the apparatus (120) can identify what products will be produced downstream of the visual inspection unit, and the required settings for the sheet processing equipment or corrugator for those products.Type: GrantFiled: July 27, 2016Date of Patent: January 5, 2021Inventors: Tony Lang, Stephen Williamson, Glyn Tomlinson
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Publication number: 20200406575Abstract: A corrugated sheet processing apparatus (120) is disclosed, comprising feed and guide rollers for selecting, moving and supporting sheets or webs to a corrugator (136) for forming a corrugated sheet; and a control system for controlling the sheet processing equipment (136) or a cutter (148); the sheet processing apparatus (136) further comprising a visual inspection unit (162) for reading printed information markers on at least one printed sheet or web as the printed sheet or web pass through the corrugated sheet processing apparatus (136), or corrugator; and wherein the control system further has a data look-up table whereby the apparatus (120) can identify what products will be produced downstream of the visual inspection unit, and the required settings for the sheet processing equipment or corrugator for those products.Type: ApplicationFiled: September 15, 2020Publication date: December 31, 2020Inventors: Tony Lang, Stephen Williamson, Glyn Tomlinson
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Publication number: 20200240276Abstract: A turbine blade tip includes a squealer tip wall having a forward surface that is continuous with an outer surface of an airfoil pressure sidewall. A plurality of cooling channels are provided spaced apart along a contour of the squealer tip wall. Each cooling channel includes: an inlet configured for receiving a coolant from airfoil internal cavity; an upstream section including a closed channel extending from the inlet to the forward surface of the squealer tip wall; and a downstream section including an open channel formed by a slot on the forward surface of the squealer tip wall. The slot extends radially outward in a downstream direction so as to guide the coolant along the forward surface toward a radially outermost tip of the squealer tip wall.Type: ApplicationFiled: August 14, 2017Publication date: July 30, 2020Inventors: Stephen Williamson, Nan Jiang
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Patent number: 10680503Abstract: An electrical machine including a rotor and a stator, at least one of the rotor and stator being provided with superconducting first electrical windings; and a set of one or more screen electrical windings, provided in the form of one or more further superconducting electrical windings, arranged around and radially outward of the first electrical windings; wherein the set of screen electrical windings is arranged to be supplied with an electrical current for generating a magnetic field of suitable magnitude and phase to reduce the magnitude of the magnetic field, generated at least by the first electrical windings during operation of the electrical machine, radially outwards of the screen electrical windings.Type: GrantFiled: July 7, 2016Date of Patent: June 9, 2020Assignee: ROLLS-ROYCE plcInventors: Stephen Williamson, Alexander C Smith, John J A Cullen, Ellis F H Chong
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Publication number: 20190303037Abstract: Aspects of the embodiments include a computer-implemented method including identifying one or more data buffer locations from a least recently used (LRU) buffer pool structure for writing data into a data buffer; writing data into the identified one or more data buffer locations; reading the data from the one or more data buffer locations; and assigning the one or more data buffer locations to a least recently used buffer locations in the LRU.Type: ApplicationFiled: March 30, 2018Publication date: October 3, 2019Applicant: CA, Inc.Inventor: Richard Stephen Williamson
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Publication number: 20190303476Abstract: Aspects of the embodiments are directed to a computer-implemented method that may include receiving a request for data records from an application; determining that a hit ratio for finding the data records in one or more data buffers within a data buffer pool is below a threshold hit ratio value; and writing the data records to an application-specific data buffer pool, the application-specific data buffer pool associated with the application that requested the data records.Type: ApplicationFiled: March 30, 2018Publication date: October 3, 2019Applicant: CA, Inc.Inventor: Richard Stephen Williamson
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Publication number: 20180345619Abstract: There is provided a corrugated sheet processing apparatus (120) comprising: sheet processing equipment comprising at least feed and guide rollers for selecting, moving and supporting sheets or webs to a corrugator (136) for forming a corrugated sheet from which corrugated products (146) can be cut, at least one layer of the corrugated sheet, and thus products, being formed from a printed sheet or web; and a control system for controlling the sheet processing equipment (136) or a cutter (148); the sheet processing apparatus (136) further comprising a visual inspection unit (162) arranged for reading printed information markers provided on at least one printed sheet or web as the printed sheet or web, and thus the printed information markers to be read, pass through the corrugated sheet processing apparatus (136), or corrugator, past the visual inspection unit (162); and wherein the control system further has a data look-up table comprising either a) for the products, at least information associated with the foType: ApplicationFiled: July 27, 2016Publication date: December 6, 2018Applicant: DS Smith Packaging LtdInventors: Tony Lang, Stephen Williamson, Glyn Tomlinson
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Patent number: 9854042Abstract: A method of characterizing a storage area network (SAN) includes collecting information associated with the SAN, analyzing the collected information, generating an assessment of one or more aspects of the SAN based on the analyzing, and reporting the assessment. The information collected may include one or more of host information, storage information and network information. The analyzing may further include evaluating information from two or more subsystems that constitute the SAN, and the assessment may be based on technical knowledge associated with the two or more subsystems.Type: GrantFiled: January 23, 2015Date of Patent: December 26, 2017Assignee: Dell Products, LPInventors: Paul Anderson, Stephen Williamson, Howard Ernest Arnold, Matthew C. Harris
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Publication number: 20170040881Abstract: An electrical machine including a rotor and a stator, at least one of the rotor and stator being provided with superconducting first electrical windings; and a set of one or more screen electrical windings, provided in the form of one or more further superconducting electrical windings, arranged around and radially outward of the first electrical windings; wherein the set of screen electrical windings is arranged to be supplied with an electrical current for generating a magnetic field of suitable magnitude and phase to reduce the magnitude of the magnetic field, generated at least by the first electrical windings during operation of the electrical machine, radially outwards of the screen electrical windings.Type: ApplicationFiled: July 7, 2016Publication date: February 9, 2017Applicant: ROLLS-ROYCE plcInventors: Stephen WILLIAMSON, Alexander C. SMITH, John J A CULLEN, Ellis F H CHONG
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Publication number: 20170002288Abstract: The invention relates to a lubricating member for a razor cartridge comprising a water soluble polymer and a silicone polyether block copolymer comprising from 1 to 50%, by weight of polyethylene oxide, from 20% to 90%, polypropylene oxide and from 1% to 20%, by weight of silicone for improved lubrication.Type: ApplicationFiled: June 27, 2016Publication date: January 5, 2017Inventors: Valerie Jean Bradford, Alison Fiona Stephens, Martin Stephen Williamson
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Publication number: 20170000721Abstract: The invention relates to liquid compositions for use with hair removal devices comprising a silicone polyether block copolymer comprising from 1% to 50%, by weight of polyethylene oxide, from 20% to 90% by weight of polypropylene oxide and from 1% to 20%, by weight of silicone for improved lubrication.Type: ApplicationFiled: June 27, 2016Publication date: January 5, 2017Inventors: Valerie Jean Bradford, Alison Fiona Stephens, Martin Stephen Williamson
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Publication number: 20160219104Abstract: A method of characterizing a storage area network (SAN) includes collecting information associated with the SAN, analyzing the collected information, generating an assessment of one or more aspects of the SAN based on the analyzing, and reporting the assessment. The information collected may include one or more of host information, storage information and network information. The analyzing may further include evaluating information from two or more subsystems that constitute the SAN, and the assessment may be based on technical knowledge associated with the two or more subsystems.Type: ApplicationFiled: January 23, 2015Publication date: July 28, 2016Inventors: Paul Anderson, Stephen Williamson, Howard Ernest Arnold, Matthew C. Harris
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Patent number: 8378537Abstract: A superconducting electrical machine includes a rotor and a stator. The stator includes a stator having a plurality of circumferentially spaced radially extending teeth and a plurality of superconducting electric coils. Each superconducting electric coil is positioned around a respective one of the teeth. A thermally conducting member surrounds and contacts the stator. A cooler is arranged to cool the thermally conducting member. A vacuum enclosure encloses the thermally conducting member, the stator and the superconducting electric coils and a pump is arranged to evacuate the vacuum enclosure. The superconducting electrical coils include magnesium diboride.Type: GrantFiled: October 28, 2008Date of Patent: February 19, 2013Assignee: Rolls-Royce PLCInventors: Stephen M Husband, Alexander C Smith, Stephen Williamson
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Publication number: 20100244596Abstract: A superconducting electrical machine comprises a rotor and a stator. The stator comprises a stator having a plurality of circumferentially spaced radially extending teeth and a plurality of superconducting electric coils. Each superconducting electric coil is positioned around a respective one of the teeth. A thermally conducting member surrounds and contacts the stator. A cooler is arranged to cool the thermally conducting member. A vacuum enclosure encloses the thermally conducting member, the stator and the superconducting electric coils and a pump is arranged to evacuate the vacuum enclosure. The superconducting electrical coils comprise magnesium diboride.Type: ApplicationFiled: October 28, 2008Publication date: September 30, 2010Applicant: Rolls-Royce PLCInventors: Stephen M. Husband, Alexander C. Smith, Stephen Williamson