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21.发明授权公开(公告)号：US09957826B2
公开(公告)日：2018-05-01
申请号：US14731743
申请日：2015-06-05
Applicant: UNITED TECHNOLOGIES CORPORATION
Inventor： Dmitri Novikov , David Ulrich Furrer , Sergei F Burlatsky
CPC classification number: F01D11/001 , C04B35/5607 , C04B35/5611 , C04B35/5618 , C04B35/5622 , C04B35/58 , C04B35/58007 , C04B35/58014 , C04B35/58021 , C04B35/58028 , C04B2235/5212 , C10M109/00 , F01D11/122 , F05D2240/55 , F05D2300/226 , F05D2300/228 , F05D2300/509 , Y02T50/672
Abstract: A stiffness controlled abradeable seal system for a gas turbine engine includes a cantilevered arm that supports one of a rotating seal surface and a static seal surface, a stiffness of the cantilevered arm controlled to achieve a desired operational temperature at a seal interface.
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公开(公告)号：US11440139B2
公开(公告)日：2022-09-13
申请号：US15970518
申请日：2018-05-03
Applicant: United Technologies Corporation
Inventor： Henry H. Thayer , Dmitri Novikov , Robert J. Meehan , Bartolomeo Palmieri
IPC: B23K26/00 , B23K26/362 , B23K26/0622 , B23K26/146 , B23K26/402 , B23K31/10 , F01D5/28 , B23K101/34
Abstract: A method for stripping ceramic from a component includes applying a liquid to a ceramic coating of an outer surface of the component. The method also includes directing a plurality of laser pulses at the ceramic coating with the applied liquid in order to spall the ceramic coating from the component.
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公开(公告)号：US11248477B2
公开(公告)日：2022-02-15
申请号：US16530917
申请日：2019-08-02
Applicant: United Technologies Corporation
Inventor： Daniel A. Bales , Dmitri Novikov , Robert C. Dolan , Eric W. Malmborg , Steven T. Gordon
IPC: F01D5/14 , F01D5/30 , B23K1/00 , F04D29/38 , B23K101/00
Abstract: An airfoil for a gas turbine engine according to an example of the present disclosure includes, among other things, a first portion welded to a second portion along an interface such that at least the first portion establishes an airfoil section and the second portion establishes a root section mountable to a rotatable hub. The airfoil section includes an airfoil body extending between leading and trailing edges in a chordwise direction, extending between pressure and suction sides separated in a thickness direction, and extending from the root section in a spanwise direction to a tip portion. A recessed region extends inwardly from at least one of the pressure and suction sides. The airfoil body includes at least one rib bounding a respective pocket within a perimeter of the recessed region. A cover skin is welded to the airfoil body along the at least one rib to enclose the recessed region. A method of forming a gas turbine engine component is also disclosed.
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公开(公告)号：US20210032997A1
公开(公告)日：2021-02-04
申请号：US16530917
申请日：2019-08-02
Applicant: United Technologies Corporation
Inventor： Daniel A. Bales , Dmitri Novikov , Robert C. Dolan , Eric W. Malmborg , Steven T. Gordon
Abstract: An airfoil for a gas turbine engine according to an example of the present disclosure includes, among other things, a first portion welded to a second portion along an interface such that at least the first portion establishes an airfoil section and the second portion establishes a root section mountable to a rotatable hub. The airfoil section includes an airfoil body extending between leading and trailing edges in a chordwise direction, extending between pressure and suction sides separated in a thickness direction, and extending from the root section in a spanwise direction to a tip portion. A recessed region extends inwardly from at least one of the pressure and suction sides. The airfoil body includes at least one rib bounding a respective pocket within a perimeter of the recessed region. A cover skin is welded to the airfoil body along the at least one rib to enclose the recessed region. A method of forming a gas turbine engine component is also disclosed.
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公开(公告)号：US10752734B2
公开(公告)日：2020-08-25
申请号：US15871462
申请日：2018-01-15
Applicant: United Technologies Corporation
Inventor： Dmitri Novikov , David Ulrich Furrer , Sergei F. Burlatsky , Hillary Anne Huttenhower , Vadim V. Atrazhev , Vadim I. Sultanov , Dmitry Dmitriev , John D. Riehl , Charles R. Watson
Abstract: A polymeric material process includes increasing a mobility within a polymer to enables specific alignment of polymer chains.
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Patent Agency Ranking
公开(公告)号：US20200230742A1
公开(公告)日：2020-07-23
申请号：US16253958
申请日：2019-01-22
Applicant: United Technologies Corporation
Inventor： Xiaomei Fang , John D. Riehl , Christopher J. Hertel , Dmitri Novikov , Henry H. Thayer , Donald H. Spencer
IPC: B23K26/21
Abstract: A method for treating a surface of a contoured titanium substrate used for adhesively bonded engine components. The method including applying energy from a fiber laser system to a contoured surface of a titanium substrate, the laser energy is distributed to the contoured titanium surface by at least one of direct light of sight, reflection, or scattering of one or more laser beam.
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公开(公告)号：US10711638B2
公开(公告)日：2020-07-14
申请号：US16237065
申请日：2018-12-31
Applicant: United Technologies Corporation
Inventor： Shahram Amini , Christopher W. Strock , Sergei F. Burlatsky , Dmitri Novikov
Abstract: A vibration resistant fan guide vane for a gas turbine engine is provided. The fan guide vane comprises a vibration damping component made of a MAXMET composite. The damping component may be a cover that covers some or all of the fan guide vane body. Alternatively, portions of the fan guide vane body or the entire vane body may be made from MAXMET composites. The disclosure makes use of the ultrahigh, fully reversible, non-linear elastic hysteresis behavior that MAXMET composites exhibit during cyclic elastic deformation in order to damp vibration.
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公开(公告)号：US10252512B2
公开(公告)日：2019-04-09
申请号：US15441683
申请日：2017-02-24
Applicant: United Technologies Corporation
Inventor： Sergei F. Burlatsky , Dmitri Novikov , William J. Brindley , David Ulrich Furrer
IPC: B33Y10/00 , B33Y30/00 , B33Y50/02 , B33Y50/00 , B22F3/105 , B29C67/00 , G06F17/50 , B29C64/386 , B29C64/153 , B29C64/20
Abstract: A method of evaluating and validating additive manufacturing operations includes generating a multidimensional space defined by a plurality of bounds, each of the bounds being defined on a distinct parameter of an additive manufacturing process and each of the bounds being directly related to the occurrence of a vertical lack of fusion flaw, each of the parameters being a dimension in a multi-dimensional coordinate system, determining a coordinate position of at least one additive manufacturing operation within the multi-dimensional coordinate system, and categorizing the operation as free of vertical lack of fusion flaws when the coordinate position is within the multi-dimensional space.
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公开(公告)号：US20190040744A1
公开(公告)日：2019-02-07
申请号：US15670654
申请日：2017-08-07
Applicant: United Technologies Corporation
Inventor： Daniel A. Bales , Dmitri Novikov , Robert C. Dolan , Kenneth A. Frisk , Steven T. Gordon , William R. Graves , Eric W. Malmborg , Francis B. Parisi , Randy P. Salva , Michael A. Weisse , Russell A. Beers , Xuedong Zhou , Christopher Treese , Tri Nguyen
Abstract: An airfoil including an airfoil body, a recessed portion of a first depth in a first side of the airfoil body, the recessed portion including a plurality of pockets of a second depth located within the recessed portion and ribs of the first depth located between the pockets, a cover configured to fit into the recessed portion such that an interior surface of the cover engages the ribs and an exterior surface of the cover is about flush with an exterior surface of the first side of the airfoil body, and a high energy beam weld configuration extending through the cover and into the ribs and positioned to attach the cover to the ribs.
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公开(公告)号：US20180148542A1
公开(公告)日：2018-05-31
申请号：US15871462
申请日：2018-01-15
Applicant: United Technologies Corporation
Inventor： Dmitri Novikov , David Ulrich Furrer , Sergei F. Burlatsky , Hillary Anne Huttenhower , Vadim V. Atrazhev , Vadim I. Sultanov , Dmitry Dmitriev , John D. Riehl , Charles R. Watson
Abstract: A polymeric material process includes increasing a mobility within a polymer to enables specific alignment of polymer chains.
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