Patents by Inventor Andrey SEDLOV
Andrey SEDLOV 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).
-
Patent number: 11591922Abstract: A ring segment having improved cooling efficiency is provided. The ring segment may include a shield plate mounted to a casing which accommodates a turbine and configured to face an inner wall of the casing, a pair of hooks configured to protrude from the shield plate toward the casing to be coupled to the casing, a cavity defined between the shield plate and the pair of hooks, a plurality of first cooling passages configured to connect the cavity and first side surfaces facing each other of the shield plate, and a plurality of second cooling passages configured to connect the cavity and second side surfaces facing each other of the shield plate, wherein the first cooling passages extend in a longitudinal direction of a central axis of the turbine, and the second cooling passages extend in a circumferential direction of the turbine.Type: GrantFiled: April 23, 2022Date of Patent: February 28, 2023Assignee: DOSAN ENERBILITY CO., LTD.Inventors: Yun Chang Jang, Andrey Sedlov, Thomas Kotteck
-
Patent number: 11421550Abstract: A ring segment, a turbine, and a gas turbine having improved cooling performance are provided. The ring segment may include a shielding wall mounted to a turbine casing which accommodates a turbine blade and configured to face an inner circumferential surface of the turbine casing, a first hook part and a second hook part configured to protrude from the shielding wall toward the turbine casing to be coupled to the turbine casing, a main cavity formed between the first hook part and the second hook part, a plurality of first cooling passages configured to connect the main cavity and first side surfaces facing each other of the shielding wall, a plurality of second cooling passages configured to extend in a direction crossing the first cooling passage and connect the main cavity and second side surfaces facing each other of the shielding wall, and a chamber configured to be connected to the first cooling passages.Type: GrantFiled: June 1, 2020Date of Patent: August 23, 2022Assignee: DOOSAN ENERBILITY CO., LTD.Inventors: Yun Chang Jang, Andrey Sedlov, Thomas Kotteck
-
Publication number: 20220243603Abstract: A ring segment having improved cooling efficiency is provided. The ring segment may include a shield plate mounted to a casing which accommodates a turbine and configured to face an inner wall of the casing, a pair of hooks configured to protrude from the shield plate toward the casing to be coupled to the casing, a cavity defined between the shield plate and the pair of hooks, a plurality of first cooling passages configured to connect the cavity and first side surfaces facing each other of the shield plate, and a plurality of second cooling passages configured to connect the cavity and second side surfaces facing each other of the shield plate, wherein the first cooling passages extend in a longitudinal direction of a central axis of the turbine, and the second cooling passages extend in a circumferential direction of the turbine.Type: ApplicationFiled: April 23, 2022Publication date: August 4, 2022Inventors: Yun Chang Jang, Andrey Sedlov, Thomas Kotteck
-
Patent number: 11339677Abstract: A ring segment having improved cooling efficiency is provided. The ring segment may include a shield plate mounted to a casing which accommodates a turbine and configured to face an inner wall of the casing, a pair of hooks configured to protrude from the shield plate toward the casing to be coupled to the casing, a cavity defined between the shield plate and the pair of hooks, a plurality of first cooling passages configured to connect the cavity and first side surfaces facing each other of the shield plate, and a plurality of second cooling passages configured to connect the cavity and second side surfaces facing each other of the shield plate, wherein the first cooling passages extend in a longitudinal direction of a central axis of the turbine, and the second cooling passages extend in a circumferential direction of the turbine.Type: GrantFiled: February 5, 2021Date of Patent: May 24, 2022Inventors: Yun Chang Jang, Andrey Sedlov, Thomas Kotteck
-
Patent number: 11143043Abstract: A turbine vane improves cooling performance by guiding an impingement cooling fluid, introduced through a cooling hole of an inner sidewall provided inside the turbine vane, to flow while in contact with an inner surface of the turbine vane for a relatively long time. The turbine vane includes an outer sidewall configured to form an airfoil comprising a leading edge and a trailing edge; an inner sidewall disposed inside the outer sidewall to form a gap between the inner sidewall and an inner surface of the outer sidewall, the inner sidewall having a plurality of cooling holes communicating with the gap; and a plurality of spiral guides formed on the inner surface of the outer sidewall and disposed at positions facing the respective cooling holes, the plurality of spiral guides configured to guide a cooling fluid having passed through the cooling holes to impinge on the spiral guides.Type: GrantFiled: January 6, 2020Date of Patent: October 12, 2021Inventors: Yun Chang Jang, Andrey Sedlov, Thomas Kotteck
-
Publication number: 20210246805Abstract: A ring segment having improved cooling efficiency is provided. The ring segment may include a shield plate mounted to a casing which accommodates a turbine and configured to face an inner wall of the casing, a pair of hooks configured to protrude from the shield plate toward the casing to be coupled to the casing, a cavity defined between the shield plate and the pair of hooks, a plurality of first cooling passages configured to connect the cavity and first side surfaces facing each other of the shield plate, and a plurality of second cooling passages configured to connect the cavity and second side surfaces facing each other of the shield plate, wherein the first cooling passages extend in a longitudinal direction of a central axis of the turbine, and the second cooling passages extend in a circumferential direction of the turbine.Type: ApplicationFiled: February 5, 2021Publication date: August 12, 2021Inventors: Yun Chang Jang, Andrey Sedlov, Thomas Kotteck
-
Publication number: 20200408108Abstract: A ring segment, a turbine, and a gas turbine having improved cooling performance are provided. The ring segment may include a shielding wall mounted to a turbine casing which accommodates a turbine blade and configured to face an inner circumferential surface of the turbine casing, a first hook part and a second hook part configured to protrude from the shielding wall toward the turbine casing to be coupled to the turbine casing, a main cavity formed between the first hook part and the second hook part, a plurality of first cooling passages configured to connect the main cavity and first side surfaces facing each other of the shielding wall, a plurality of second cooling passages configured to extend in a direction crossing the first cooling passage and connect the main cavity and second side surfaces facing each other of the shielding wall, and a chamber configured to be connected to the first cooling passages.Type: ApplicationFiled: June 1, 2020Publication date: December 31, 2020Inventors: Yun Chang JANG, Andrey SEDLOV, Thomas KOTTECK
-
Patent number: 10851668Abstract: A cooled wall of a turbine component includes a first layer of channels for a coolant arranged along a side of the wall facing to a flow of hot gas, the first layer of channels having a serpentine shape, each channel of the first layer having an inlet and an outlet; a second layer of channels for the coolant disposed further from the flow of hot gas than the first layer, each channel of the second layer having an inlet and an outlet, the outlet of each of the channels of the first layer being in fluid communication with corresponding inlet of associated channel of the second layer creating a bend for changing a direction of the coolant leaving the channel of the first layer when entering the channel of the second layer.Type: GrantFiled: January 25, 2017Date of Patent: December 1, 2020Assignee: ANSALDO ENERGIA SWITZERLAND AGInventors: Andrey Sedlov, Maxim Plodistyy, Oleg Naryzhny
-
Publication number: 20200271004Abstract: A turbine vane improves cooling performance by guiding an impingement cooling fluid, introduced through a cooling hole of an inner sidewall provided inside the turbine vane, to flow while in contact with an inner surface of the turbine vane for a relatively long time. The turbine vane includes an outer sidewall configured to form an airfoil comprising a leading edge and a trailing edge; an inner sidewall disposed inside the outer sidewall to form a gap between the inner sidewall and an inner surface of the outer sidewall, the inner sidewall having a plurality of cooling holes communicating with the gap; and a plurality of spiral guides formed on the inner surface of the outer sidewall and disposed at positions facing the respective cooling holes, the plurality of spiral guides configured to guide a cooling fluid having passed through the cooling holes to impinge on the spiral guides.Type: ApplicationFiled: January 6, 2020Publication date: August 27, 2020Inventors: Yun Chang JANG, Andrey Sedlov, Thomas Kotteck
-
Patent number: 10753611Abstract: A combustor includes a combustor shell, an inner liner disposed inside the combustor shell and having an inner surface defining a cavity configured to receive hot combustion gases from a combustion chamber of the combustor, and an outer surface, the combustor shell and the inner liner defining an annular flow channel therebetween, and a segment carrier operatively connected to the inner liner and operative to receive an upper portion of the inner liner, the segment carrier and the inner liner defining a purging cavity therebetween. The inner liner includes a plurality of impingement jet holes configured to direct a flow of cooling air from the annular flow channel to the purging cavity.Type: GrantFiled: October 5, 2017Date of Patent: August 25, 2020Assignee: GENERAL ELECTRIC CORPORATION GMBHInventors: Andrey Sedlov, Igor Baibuzenko, Vladimir Vassiliev
-
Patent number: 10612396Abstract: A mechanical component comprises an internal hollow space and a wall, the wall limiting the hollow space. The mechanical component further comprises a first channel extending inside the wall along a first direction and a second channel extending inside the wall in fluid communication with the internal hollow space and the first channel, serving as a feed channel. A cross-sectional dimension of the first channel is larger than a cross-sectional dimension of the feed channel, and the feed channel tangentially joins into the first channel. A third channel extends inside the wall in fluid communication with the first channel. The third channel extends inside the wall at least essentially parallel to a surface of the wall along at least a part of the extent of the wall in a second direction, and is a near wall cooling channel.Type: GrantFiled: June 13, 2018Date of Patent: April 7, 2020Assignee: General Electric Technology GmbHInventors: Vladimir Vassiliev, Peter Vitalievich Laletine, Alexey Mozharov, Andrey Sedlov
-
Patent number: 10508563Abstract: A stator heat shield segment for a gas turbine includes an inner surface facing a hot gas main flow of the gas turbine; an outer surface opposite to the inner surface and at least partially exposed to cooling air; a first impingement cavity provided with a plurality of first impingement holes fluidly connected with the cooling air supplied outside the outer surface; a feeding cavity isolated from the cooling air supplied outside the outer surface and fluidly connected with first impingement cavity; and a second impingement cavity provided with a plurality of second impingement holes fluidly connected to the feeding cavity.Type: GrantFiled: October 6, 2017Date of Patent: December 17, 2019Assignee: ANSALDO ENERGIA SWITZERLAND AGInventors: Magali Cochet, Andrey Sedlov, Maxim Plodistyy
-
Patent number: 10450885Abstract: A stator heat shield for a gas turbine having a hot gas flow path, is disclosed. The stator heat shield includes a first surface configured to face the hot gas flow path of the gas turbine; a second surface opposite to the first surface; cooling channels for directing cooling fluid from the second surface towards the first surface; and cavities arranged at the first surface for receiving the cooling fluid from at least a part of the cooling channels; wherein at least a part of the cavities each have at least two corresponding cooling channels open thereto, the at least two corresponding cooling channels being inclined towards each other. In use, a vortex is created in the cavity.Type: GrantFiled: January 25, 2017Date of Patent: October 22, 2019Assignee: ANSALDO ENERGIA SWITZERLAND AGInventors: Andrey Sedlov, Maxim Plodistyy, Sergey Vorontsov
-
Publication number: 20190010808Abstract: A mechanical component comprises an internal hollow space and a wall, the wall limiting the hollow space. The mechanical component further comprises a first channel extending inside the wall along a first direction and a second channel extending inside the wall in fluid communication with the internal hollow space and the first channel, serving as a feed channel. A cross-sectional dimension of the first channel is larger than a cross-sectional dimension of the feed channel, and the feed channel tangentially joins into the first channel. A third channel extends inside the wall in fluid communication with the first channel. The third channel extends inside the wall at least essentially parallel to a surface of the wall along at least a part of the extent of the wall in a second direction, and is a near wall cooling channel.Type: ApplicationFiled: June 13, 2018Publication date: January 10, 2019Inventors: Vladimir VASSILIEV, Peter Vitalievich LALETINE, Alexey MOZHAROV, Andrey SEDLOV
-
Publication number: 20180142892Abstract: A combustor includes a combustor shell, an inner liner disposed inside the combustor shell and having an inner surface defining a cavity configured to receive hot combustion gases from a combustion chamber of the combustor, and an outer surface, the combustor shell and the inner liner defining an annular flow channel therebetween, and a segment carrier operatively connected to the inner liner and operative to receive an upper portion of the inner liner, the segment carrier and the inner liner defining a purging cavity therebetween. The inner liner includes a plurality of impingement jet holes configured to direct a flow of cooling air from the annular flow channel to the purging cavity.Type: ApplicationFiled: October 5, 2017Publication date: May 24, 2018Inventors: ANDREY SEDLOV, IGOR BAIBUZENKO, VLADIMIR VASSILIEV
-
Publication number: 20180100409Abstract: A stator heat shield segment for a gas turbine includes an inner surface facing a hot gas main flow of the gas turbine; an outer surface opposite to the inner surface and at least partially exposed to cooling air; a first impingement cavity provided with a plurality of first impingement holes fluidly connected with the cooling air supplied outside the outer surface; a feeding cavity isolated from the cooling air supplied outside the outer surface and fluidly connected with first impingement cavity; and a second impingement cavity provided with a plurality of second impingement holes fluidly connected to the feeding cavity.Type: ApplicationFiled: October 6, 2017Publication date: April 12, 2018Applicant: ANSALDO ENERGIA SWITZERLAND AGInventors: Magali COCHET, Andrey SEDLOV, Maxim PLODISTYY
-
Publication number: 20170211405Abstract: A stator heat shield for a gas turbine having a hot gas flow path, is disclosed. The stator heat shield includes a first surface configured to face the hot gas flow path of the gas turbine; a second surface opposite to the first surface; cooling channels for directing cooling fluid from the second surface towards the first surface; and cavities arranged at the first surface for receiving the cooling fluid from at least a part of the cooling channels; wherein at least a part of the cavities each have at least two corresponding cooling channels open thereto, the at least two corresponding cooling channels being inclined towards each other. In use, a vortex is created in the cavity.Type: ApplicationFiled: January 25, 2017Publication date: July 27, 2017Applicant: ANSALDO ENERGIA SWITZERLAND AGInventors: Andrey SEDLOV, Maxim PLODISTYY, Sergey VORONTSOV
-
Publication number: 20170211418Abstract: A cooled wall of a turbine component includes a first layer of channels for a coolant arranged along a side of the wall facing to a flow of hot gas, the first layer of channels having a serpentine shape, each channel of the first layer having an inlet and an outlet; a second layer of channels for the coolant disposed further from the flow of hot gas than the first layer, each channel of the second layer having an inlet and an outlet, the outlet of each of the channels of the first layer being in fluid communication with corresponding inlet of associated channel of the second layer creating a bend for changing a direction of the coolant leaving the channel of the first layer when entering the channel of the second layer.Type: ApplicationFiled: January 25, 2017Publication date: July 27, 2017Applicant: ANSALDO ENERGIA SWITZERLAND AGInventors: Andrey SEDLOV, Maxim PLODISTYY, Oleg NARYZHNY