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公开(公告)号：US10232473B2
公开(公告)日：2019-03-19
申请号：US15055291
申请日：2016-02-26
Applicant: General Electric Company
Inventor： Ying Zhou , Hongqiang Chen , Matthew Vaughan Schulmerich , Jason Christopher Gritti
Abstract: A system and method for performing laser induced breakdown spectroscopy during laser ablation of a coating, such as a TBC coating, deposited on a surface of a component, particularly to enable obtained spectrometry signals of the ablated coating to be used to monitor and control the laser ablation removal process in real-time. The system includes a laser energy source and a scan head interconnected with the laser energy source to receive a laser beam therefrom and then direct the laser beam onto the surface of the coated component. Collection optics collect radiation emitted from a laser-induced plasma generated by the laser beam at the surface of the coated component. The system is further equipped to spectrally analyze the radiation and generate a feedback signal for control and optimization of one or more operational parameters of the laser energy source in real-time.
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2.发明申请公开(公告)号：US20170247797A1
公开(公告)日：2017-08-31
申请号：US15055291
申请日：2016-02-26
Applicant: General Electric Company
Inventor： Ying Zhou , Hongqiang Chen , Matthew Vaughan Schulmerich , Jason Christopher Gritti
IPC: C23F4/00
CPC classification number: G01N21/718 , B23K26/032 , B23K26/362 , C23C28/321 , C23C28/3215 , C23C28/345 , C23C28/3455 , F01D5/005 , F05D2230/13 , F05D2260/83 , G01N2021/8427 , Y02T50/672 , Y02T50/6765
Abstract: A system and method for performing laser induced breakdown spectroscopy during laser ablation of a coating, such as a TBC coating, deposited on a surface of a component, particularly to enable obtained spectrometry signals of the ablated coating to be used to monitor and control the laser ablation removal process in real-time. The system includes a laser energy source and a scan head interconnected with the laser energy source to receive a laser beam therefrom and then direct the laser beam onto the surface of the coated component. Collection optics collect radiation emitted from a laser-induced plasma generated by the laser beam at the surface of the coated component. The system is further equipped to spectrally analyze the radiation and generate a feedback signal for control and optimization of one or more operational parameters of the laser energy source in real-time.
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公开(公告)号：US20170130968A1
公开(公告)日：2017-05-11
申请号：US14936815
申请日：2015-11-10
Applicant: General Electric Company
Inventor： Nandini Nagraj , Stanton Earl Weaver, JR. , Zhexiong Tang , Manuel Alfredo Palacios , Igor Tokarev , Matthew Vaughan Schulmerich
CPC classification number: F24C15/2007 , A23L5/10 , F24C7/085
Abstract: A method for monitoring cooking in an oven appliance includes drawing cooking vapors or gases from a cooking chamber to a fluid analysis assembly and exposing a plurality of fluid sensors of the fluid analysis assembly to the cooking vapors or gases. The method also includes establishing a response pattern of the plurality of fluid sensors with a machine or statistical learning model(s) and determining a cooking status of the food item within the cooking chamber based upon the response pattern of the plurality of fluid sensors.
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