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公开(公告)号：US20230045567A1
公开(公告)日：2023-02-09
申请号：US17968784
申请日：2022-10-18
Applicant: General Electric Company
Inventor： Ravinder Yerram , Balakrishnan Ponnuraj , Vineet Sethi , Jose Emmanuel Guillen , Tho Vankhanh Nguyen , Douglas Alan Jones , Abhinash Reddy Konatham
Abstract: One or more cooling systems for ventilating a turbine and rotary shaft of a gas turbine system is provided. The gas turbine system includes a gas turbine engine and a turbine exhaust collector in separate enclosures. A first cooling system includes an educator that sucks exhaust gas through a diffuser and directs it out of the turbine exhaust collector enclosure based on suction pressure created from the high velocity of exhaust gas. A second cooling system include struts that enable the exhaust gas to flow from the diffusers to a ventilation flow stack. A third cooling system includes exhaust gas sucked from an opening to a top duct based on suction pressure created from the rotation of the rotary shaft disposed about a coupling. A guideway associated with the third cooling system also directs the exhaust gas to flow to the top duct.
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公开(公告)号：US12025023B2
公开(公告)日：2024-07-02
申请号：US17968784
申请日：2022-10-18
Applicant: General Electric Company
Inventor： Ravinder Yerram , Balakrishnan Ponnuraj , Vineet Sethi , Jose Emmanuel Guillen , Tho Vankhanh Nguyen , Douglas Alan Jones , Abhinash Reddy Konatham
CPC classification number: F01D25/305 , F01D9/06 , F01D25/30 , F01D9/065 , F02C7/12 , F05D2240/60 , F05D2260/608
Abstract: One or more cooling systems for ventilating a turbine and rotary shaft of a gas turbine system is provided. The gas turbine system includes a gas turbine engine and a turbine exhaust collector in separate enclosures. A first cooling system includes an educator that sucks exhaust gas through a diffuser and directs it out of the turbine exhaust collector enclosure based on suction pressure created from the high velocity of exhaust gas. A second cooling system include struts that enable the exhaust gas to flow from the diffusers to a ventilation flow stack. A third cooling system includes exhaust gas sucked from an opening to a top duct based on suction pressure created from the rotation of the rotary shaft disposed about a coupling. A guideway associated with the third cooling system also directs the exhaust gas to flow to the top duct.
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公开(公告)号：US11578621B2
公开(公告)日：2023-02-14
申请号：US16843848
申请日：2020-04-08
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Ravinder Yerram , Balakrishnan Ponnuraj , Vineet Sethi , Jose Emmanuel Guillen , Tho Vankhanh Nguyen , Douglas Alan Jones , Abhinash Reddy Konatham
Abstract: One or more cooling systems for ventilating a turbine and rotary shaft of a gas turbine system is provided. The gas turbine system includes a gas turbine engine and a turbine exhaust collector in separate enclosures. A first cooling system includes an educator that sucks exhaust gas through a diffuser and directs it out of the turbine exhaust collector enclosure based on suction pressure created from the high velocity of exhaust gas. A second cooling system include struts that enable the exhaust gas to flow from the diffusers to a ventilation flow stack. A third cooling system includes exhaust gas sucked from an opening to a top duct based on suction pressure created from the rotation of the rotary shaft disposed about a coupling. A guideway associated with the third cooling system also directs the exhaust gas to flow to the top duct. These cooling systems are designed to increase the efficiency of ventilating the turbine and rotary shaft, prevent misalignments of the rotary shaft, which may result in thermal stresses, and allow the use of the gas turbine systems in higher ambient temperature environments.
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公开(公告)号：US20210317784A1
公开(公告)日：2021-10-14
申请号：US16843848
申请日：2020-04-08
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Ravinder Yerram , Balakrishnan Ponnuraj , Vineet Sethi , Jose Emmanuel Guillen , Tho Vankhanh Nguyen , Douglas Alan Jones , Abhinash Reddy Konatham
Abstract: One or more cooling systems for ventilating a turbine and rotary shaft of a gas turbine system is provided. The gas turbine system includes a gas turbine engine and a turbine exhaust collector in separate enclosures. A first cooling system includes an educator that sucks exhaust gas through a diffuser and directs it out of the turbine exhaust collector enclosure based on suction pressure created from the high velocity of exhaust gas. A second cooling system include struts that enable the exhaust gas to flow from the diffusers to a ventilation flow stack. A third cooling system includes exhaust gas sucked from an opening to a top duct based on suction pressure created from the rotation of the rotary shaft disposed about a coupling. A guideway associated with the third cooling system also directs the exhaust gas to flow to the top duct. These cooling systems are designed to increase the efficiency of ventilating the turbine and rotary shaft, prevent misalignments of the rotary shaft, which may result in thermal stresses, and allow the use of the gas turbine systems in higher ambient temperature environments.
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