公开(公告)号：US20150083227A1

公开(公告)日：2015-03-26

申请号：US14037790

申请日：2013-09-26

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Rahul Anil BIDKAR ,  Ambarish Jayant KULKARNI ,  Luc Stephane LEBLANC ,  Vaibhav BAHADUR

IPC: F15D1/12 ,  C23C4/10 ,  C23C4/12

CPC classification number: C09D5/1681 ,  C08K2003/221 ,  C09D5/00 ,  C23C4/11 ,  C23C4/134 ,  C23C4/18 ,  F15D1/003 ,  F15D1/0085 ,  Y10T137/0318 ,  Y10T428/13 ,  Y10T428/1393 ,  Y10T428/24355

Abstract: An article includes a substrate with a coating having asperities such that an average spacing between the asperities is between about 0.01 and about 1.5 micron. An average surface roughness of the coating is up to about 2 microns, and an average porosity of the coating is in the range from about 35% to about 70%. A material to reduce surface energy is disposed on the coating. A method for making such an article and a method for decreasing fluid drag across such an article are also provided.

Abstract translation: 一种制品包括具有粗糙度的涂层的基底，使得凹凸之间的平均间距在约0.01至约1.5微米之间。 涂层的平均表面粗糙度高达约2微米，涂层的平均孔隙率在约35％至约70％的范围内。 用于降低表面能的材料设置在涂层上。 还提供了制造这种制品的方法和减少跨越这种制品的流体阻力的方法。

公开(公告)号：US20180258787A1

公开(公告)日：2018-09-13

申请号：US15451836

申请日：2017-03-07

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Nicole Jessica TIBBETTS ,  Bernard Patrick BEWLAY ,  Ambarish Jayant KULKARNI ,  Byron Andrew PRITCHARD, JR. ,  Keith Anthony LAURIA ,  Michael Edward ERIKSEN

IPC: F01D25/00 ,  B08B3/08 ,  B08B3/00

Abstract: The present disclosure provides methods and systems of generating flows of detergent through a turbine engine to effectuate cleaning of components thereof. The methods include introducing a foamed, acid-including detergent with a pH range of between 2 and 7 into a gas flowpath of the turbine engine. The methods also include creating a pressure differential in an aft portion of the gas flowpath with respect to a forward portion of the gas flowpath to generate a flow of the detergent therethrough. The methods further include creating a pressure differential in a forward portion of the gas flowpath with respect to an aft portion of the gas flowpath to generate a counterflow of the detergent therethrough. The flow and counterflow of the detergent through the gas flowpath interact with components of the turbine engine having foreign material thereon to at least partially remove the foreign material therefrom.

公开(公告)号：US20170101932A1

公开(公告)日：2017-04-13

申请号：US15314490

申请日：2015-05-27

Applicant: General Electric Company

Inventor： Curtis Walton STOVER ,  Jonathan Michael RAUSCH ,  Satoshi ATSUCHI ,  Gulcharan Singh BRAINCH ,  Robert David BRIGGS ,  Ronald Scott BUNKER ,  Ambarish Jayant KULKARNI ,  Michael Alan MEADE ,  Byron Andrew PRITCHARD ,  Robert PROCTOR

IPC: F02C7/18 ,  F01D11/08 ,  F01D25/12 ,  F01D9/04

Abstract: Gas turbine engine components are provided which utilize an insert to provide cooling air along a cooled surface of an engine component. The insert provides cooling holes or apertures which face the cool side surface of the engine component and direct cooling air onto that cool side surface. The apertures may be formed in arrays and directed at an oblique or a non-orthogonal angle to the surface of the insert and may be at an angle to the surface of the engine component being cooled. An engine component assembly is provided with counterflow impingement cooling, comprising an engine component cooling surface having a cooling fluid flow path on one side and a second component adjacent to the first component. The second component may have a plurality of openings forming an array wherein the openings extend through the second component at a non-orthogonal angle to the surface of the second component.

公开(公告)号：US20160236799A1

公开(公告)日：2016-08-18

申请号：US14621465

申请日：2015-02-13

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Bernard Patrick BEWLAY ,  Ambarish Jayant KULKARNI ,  Nicole Jessica TIBBETTS ,  Brian Michael ELLIS ,  Manuel K. BUENO ,  Ever REYES ,  Noel BATES ,  Brian KALB

IPC: B64F5/00 ,  F01D25/00 ,  B08B9/032 ,  F01D25/12

CPC classification number: B64F5/30 ,  B08B9/032 ,  F01D25/002 ,  F01D25/12 ,  F05D2220/323 ,  F05D2260/221

Abstract: Methods and systems for in situ cleaning of internal cooling circuits of a turbine engine with detergent that provide cleaning a turbine engine that includes circumferentially arranged internal impingement cooling circuits that each include a baffle plate configured to air cool a respective surface or component of the turbine engine. Detergent is introduced through the outer wall and proximate to a back side of a baffle plate such that the detergent passes through at least aperture in the baffle plate and acts at least upon the surface or component that the baffle plate is configured to cool. The detergent may also act on the front side of the baffle plate that is proximate to the surface or component.

Abstract translation: 用于用洗涤剂原位清洁涡轮发动机的内部冷却回路的方法和系统，其提供清洁涡轮发动机，该涡轮发动机包括周向布置的内部冲击冷却回路，每个冷却回路包括构造成将涡轮发动机的相应表面或部件空气冷却的挡板 。 洗涤剂通过外壁并且靠近挡板的后侧引入，使得洗涤剂至少穿过挡板中的孔并且至少作用于挡板被配置为冷却的表面或部件上。 洗涤剂也可以作用在靠近表面或部件的挡板的前侧。