• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    nozzle, nozzle hanger and metal ceramic fixing system. it is a nozzle, a nozzle hanger and a metal ceramic fixing system. a ceramic metal fixing system includes a nozzle, a ceramic matrix composite and the metal nozzle hanger. the fixing system also includes a gripping member adjacent to a second nozzle surface and a nozzle mounting member. the fixing system includes a plurality of fixing members that hold the nozzle, the gripping member and the nozzle hanger together. a nozzle hanger sealing member seals an airfoil from the nozzle against an adjacent air flow.
    公开号:BR112015000083A2
    申请号:R112015000083
    申请日:2013-05-30
    公开日:2019-10-15
    发明作者:Thomas Mcmillan Charles；Glenn Senile Darrel；Hamilton Grooms James Iii；Todd Radwanski Michael
    申请人:Gen Electric；
    IPC主号:
    专利说明:

    “NOZZLE, NOZZLE SUSPENSION AND METAL CERAMIC FIXING SYSTEM”
    Field of the Invention [001] The present invention relates, in general, to turbines. More specifically, a nozzle, a nozzle hanger and a metal ceramic fixing system for turbines.
    Background of the Invention [002] Numerous techniques have been used in the past to manufacture turbine engine components, such as turbine blades or nozzles using ceramic matrix composites (CMCs). One method of manufacturing CMC components relates to the production of silicon carbide matrix composites containing fibrous material that is infiltrated with molten silicon, and referred to in this document as the Silcomp process. The fibers, in general, have diameters of about 140 micrometers or more, which prevents intricate and complex shapes, such as turbine blade components being manufactured by the Silicomp process.
    [003] Another technique for manufacturing CMC turbine blades is the method known as the process of infiltrating mold by melt casting (Ml). In a manufacturing method that uses the slurry casting method (Ml), CMCs are produced with the initial supply of balanced two-dimensional woven (2D) strata comprising silicon carbide (SiC) containing fibers with two wavy directions at an angle of substantially 90 ° to each other, with substantially the same number of fibers displacing in both directions of the wave.
    [004] In general, such turbine components require connection to adjacent metal hardware and / or metal surfaces. The two disadvantages associated with fixing the CMC to metal fittings are the wear of metal fittings by the hard surface of ceramic material
    2/10 abrasive and the lack of load distribution in the CMC. Load distribution is critical at the interfaces between CMC components and on metal surfaces, such as enclosures. Typically, metal sheets or ceramic fabrics have been interposed between the CMC and the metal surfaces in order to improve the load distribution. Wear is typically reduced by applying coatings to metal hardware or coatings on the nozzle fixing surfaces.
    [005] Therefore, a nozzle, a nozzle hanger and a ceramic matrix composite for a metal fixing system that does not suffer from the above damages are desirable in the technique.
    Description of the Invention [006] According to an exemplary embodiment of the present disclosure, a mouthpiece is provided. The mouthpiece includes a first ribbon, a second ribbon, an airfoil that joins the first ribbon and the second ribbon, and a mounting member, integrally formed with the second ribbon and the airfoil. The mounting member includes a cavity that extends through the airfoil. The mounting member includes a radial external load-bearing surface that surrounds the cavity. The mounting member includes an internal radial load bearing surface opposite the external radial load bearing surface. The mounting member includes a tangential interface between the external radial load bearing surface and the internal radial load bearing surface. The mounting member includes a moment interface surface between the outer radial load bearing surface and the inner radial load bearing surface and opposite the tangential interface. The mounting member fixes the nozzle to a surrounding static surface.
    [007] In accordance with another exemplary embodiment of the present disclosure, a nozzle hanger is provided. The nozzle hanger includes a nozzle receiving surface and an enclosure hanger that forms a
    3/10 single piece with, and which is adjacent to the nozzle receiving surface. The nozzle hanger includes an axial load-bearing surface approximately perpendicular to the nozzle receiving surface. The nozzle hanger includes a tangential support of the loading surface approximately perpendicular to the nozzle receiving surface. The nozzle hanger includes a load-bearing surface at the moment opposite the tangential load-bearing surface. The nozzle hanger receives a nozzle and transfers the charge from the nozzle and the hanger to a surrounding static structure.
    [008] According to another exemplary embodiment of the present disclosure, a ceramic metal fixing system is provided. The ceramic metal fixing system includes a nozzle, a nozzle hanger, a gripping member and a plurality of fixing members. The mouthpiece includes a first strip, a second strip, an airfoil that joins the first strip and the second strip, and a mounting member that forms a single piece with the second strip and the airfoil. The nozzle mounting member has a first surface and a second surface, and includes a cavity that extends through the airfoil. The nozzle mounting member includes an external radial load-bearing surface that surrounds the cavity. The nozzle mounting member includes a radial internal load-bearing surface opposite the radial external load-bearing surface. The nozzle mounting member includes a tangential interface between the radial external load bearing surface and the radial internal load bearing surface. The nozzle mounting member includes a moment interface surface between the radial external load bearing surface and the radial internal load bearing surface and in opposition to the tangential interface. The nozzle mounting member secures the nozzle to a surrounding static surface. The nozzle hanger includes a nozzle receiving surface and an enclosure hanger that forms a single piece with, and that is adjacent to, the surface
    4/10 mouthpiece receiver. The nozzle hanger includes an axial load-bearing surface approximately perpendicular to the nozzle receiving surface. The nozzle hanger includes a tangential load-bearing surface approximately perpendicular to the nozzle receiving surface. The nozzle hanger includes a load-bearing surface at the moment as opposed to the tangential load-bearing surface. The nozzle hanger includes a sealing member that surrounds the cavity and is located between the nozzle receiving surface and the nozzle. The nozzle hanger receives a nozzle and transfers the charge from the nozzle and the hanger to a surrounding static structure. The gripping member is adjacent to the second nozzle surface and the nozzle mounting member. The plurality of fastening members hold the nozzle, the gripping member and the nozzle hanger together. The sealing member of the nozzle hanger seals the airfoil from the adjacent air flow.
    [009] Other features and advantages of the present invention will be apparent from the more detailed description below of the preferred embodiment taken in conjunction with the accompanying drawings which illustrate, by way of example, the principles of the invention.
    Brief Description of the Drawings [010] Figure 1 is a schematic side view in perspective of a mouthpiece of the present disclosure.
    [011] Figure 2 is a schematic top view in perspective of a mouthpiece of the present disclosure.
    [012] Figure 3 is a schematic top view of a mouthpiece of the present disclosure.
    [013] Figure 4 is a schematic bottom view in perspective of a nozzle hanger of the present disclosure.
    [014] Figure 5 is a schematic top view in
    5/10 perspective of a nozzle hanger of the present disclosure.
    [015] Figure 6 is a schematic side view of a nozzle hanger of the present disclosure.
    [016] Figure 7 is a partial perspective view of a portion of a metal ceramic fixing system of the present disclosure.
    [017] Figure 8 is a side section view of a metal ceramic fixing system of the present disclosure.
    [018] Figure 9 is a perspective view of a gripping member of the present disclosure.
    [019] Figure 10 is a top view of a gripping member of the present disclosure.
    [020] Whenever possible, the same reference numbers will be used throughout the drawings to represent equal parts.
    Description of Realizations of the Invention [021] A nozzle, a nozzle hanger and a metal ceramic fixing system are provided.
    [022] An advantage of one embodiment of the present disclosure includes that ceramic matrix composite nozzles (CMC) can be operated at temperatures higher than traditional metal nozzles. Another advantage of an embodiment includes fixing a CMC nozzle in a cantilever position. Yet another advantage of an embodiment of the present disclosure includes a system for attaching the CMC nozzles to metal nozzle hangers. Another advantage of the present disclosure includes a system for attaching the metal nozzles to metal nozzle hangers. Yet another advantage of an embodiment is such that the system provides a path from the airfoil's direct load to the attachment. Another advantage of an embodiment is that the stress component stresses are reduced. Yet another advantage of the present disclosure is that the system allows a thermal growth different from the nozzle and the
    6/10 fixing the support. Another advantage of the present disclosure is that the system provides a convenient placement for sealing the airfoil cavity.
    [023] Figure 1 is a schematic side view in perspective of a nozzle 100. According to one embodiment, the nozzle can have a front end and a rear end. For example, as described in Figures 1 to 3, the nozzle 100 has a front end 110 and a rear end 108. The nozzle 100 can include a first strip 102, a second strip 104 and an airfoil 106 that joins the first strip 102 and the second strip 104. As used herein, "strip" means an upper and lower portion of the nozzle used to define the top and bottom of the airfoil passage. The nozzle 100 can be a ceramic matrix composite (CMC) and can be formed using a suitable lamination technique or another CMC component fabrication technique. The nozzle 100 may include a mounting member 120 that forms a single piece with the second strip 104 and an airfoil 106. The mounting member 120 may have a first surface 114 and a second surface 116. The mounting member 120 may include a cavity 130 extending through the airfoil 106. The mounting member 120 may include a radial external load-bearing surface 140 on the first surface 114 of the second strip. The radial external load support surface 140 can surround the cavity 130. The radial external load support surface 140 can receive and load the pressure load from the nozzle 100 during operation. The mounting member 120 may include a radial inner load bearing surface 150 on the second surface 116 of the second strip 104 and as opposed to the radial outer load bearing surface 140. The radial inner load bearing surface 150 can receive and carry the pressure load of the nozzle 100 during operation. The mounting member 120 may include a tangential interface 160 between the radial outer load bearing surface 140 and the radial inner load bearing surface 150. In one embodiment, a tangential interface 160
    7/10 can receive and carry nozzle pressure load during operation. Mounting member 120 may include a momentary interface 170 between radial outer load bearing surface 140 and radial inner load bearing surface 150 and in opposition to a tangential interface 160. Mounting member 120 can secure the nozzle 100 to a surrounding static surface 800, like a case (see Figure 8).
    [024] According to one embodiment, the mounting member may include an axial interface adjacent to a moment interface and between an external radial load bearing surface and an internal radial load bearing surface. For example, as shown in Figures 1 to 3, the mounting member 120 can include an axial interface adjacent 180 to the currently adjacent interface 170 and between the radial outer load bearing surface 140 and the radial inner load bearing surface 150 The mounting member 120 may include a mounting hole 190 for receiving the holding member 702 (see Figures 7 to 8). As shown in Figure 1, the mounting member 120 can form a single piece with the second strip 104 and the airfoil 106, and can include a space 122 between the second surface 116 of the mounting member 120 and the second strip 104. The space 122 can be adapted to receive a gripping member 710 (see Figures 7 to 10). The mounting member 120 can be designed to complement and adapt a nozzle hanger 400 such that the mounting member 120 and the nozzle hanger 400 can have complementary angled surfaces. The angle can be anywhere between approximately 0 degrees and 45 degrees or, alternatively, approximately 5 degrees and 40 degrees, or alternatively, between 10 degrees and 35 degrees. In one embodiment, the angle can be chosen to match the flow path. As shown in Figure 3, cavity 130 is formed in mounting member 120 and travels through airfoil 106 and first strip 102. In one embodiment, cavity 130 includes
    8/10 at least one opening 132 for cooling the air, and a passage 134 for a pin for attachment to a seal box (not shown).
    [025] According to one embodiment, a nozzle hanger is provided. For example, Figures 4 to 6 illustrate an embodiment of a nozzle hanger 400 of the present disclosure. Figure 4 is a schematic top view in perspective of the nozzle hanger 400. The nozzle support 400 can be constructed from nickel or cobalt based superalloys. The nozzle hanger 400 may include a nozzle receiving surface 410 for receiving the nozzle 100. The nozzle hanger 400 may include a housing hanger 430 that forms a single piece with, and which is adjacent to the nozzle receiving surface 410. The enclosure hanger 430 can be operable to attach the nozzle hanger 400 to a static frame 800, a case (see Figure 8). The nozzle hanger 400 may include an axial load bearing surface 440 approximately perpendicular to the nozzle receiving surface 410. As used herein, "approximately perpendicular" is approximately ± 25 degrees. A nozzle hanger 400 can include a tangential load support surface 450 approximately perpendicular to the nozzle receiving surface 410. Nozzle hanger 400 can include a moment load support surface 460 as opposed to tangential load support surface 450 The nozzle hanger 400 can receive a nozzle 100 on the nozzle receiving surface 410 and can transfer a nozzle charge 100 and a nozzle hanger 100 to a surrounding static structure 800, such as a wrapper (see Figure 8). For example, as shown in Figure 5, nozzle hanger 400 can include at least one passage 480 to receive cooling air to cavity 130 of airfoil 106. As described, nozzle hanger 400 can include two sealing grooves 470 to receive nozzle 100. Sealing grooves 470 can receive sealing members such as, but not limited to, rope seals and
    9/10 ceramic, thereby sealing airfoil 106 against the adjacent air flow. In an alternative embodiment, the nozzle hanger 400 can be a single segment or any number of segments that make up a 360 degree ring. As shown in Figure 6, the nozzle hanger 400 can be one piece, however, an alternative embodiment of the nozzle hanger 400 can be two or more pieces.
    [026] According to one embodiment, a ceramic metal fastening system that includes a nozzle, a nozzle hanger, a gripping member and a plurality of fixing members is provided. For example, Figures 7 and 8 illustrate a metal ceramic fastening system 700. The metal ceramic fastening system 700 can include a nozzle 100, a nozzle hanger 400, a gripping member 710 and a plurality of members clamp 702. The nozzle 100 can cooperate with, and attach to the nozzle hanger 400. As shown in Figure 8, both the nozzle 100 and the nozzle hanger 400 can include an angle that allows the nozzle 100 to have a configuration cantilever. The gripping member 710 can be located in a space 122 adjacent to the second strip 104 and the mounting member 120 of the nozzle 100. The gripping member 710 can reduce the vibration of the nozzle 100 and can hold the nozzle 100 in the space 122. fixing members 702 and washers 704 can hold the nozzle 100, the gripping member 710 and the nozzle hanger 400 together. The nozzle 100 can include a mounting hole 190 for receiving the fixing member 702. The gripping member 710 can include a screw hole 990 for receiving the fixing member 702. The nozzle hanger 400 can include an opening 490 for receiving the fixing member 702. In one embodiment, for example, as described in Figure 7, mounting hole 190 (see Figure 1), screw hole 990 (see Figure 9) and opening 490 (see Figure 4) can line up to receive the fixing member 702.
    10/10 [027] According to one embodiment, the gripping member is provided. For example, Figures 9 and 10 illustrate an embodiment of a gripping member 710. The first surface 902 of the gripping member 710 can include a plurality of raised surfaces 910 and 912. The first raised surface 910 can cooperate with the support surface internal radial load 150 of mounting member 120. The second raised surface 912 can cooperate with the second surface 116 of mounting member 120. Gripping member 710 can be constructed from a metal such as, but not limited to nickel or cobalt based superalloys.
    [028] Although the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes can be made, and equivalents can be replaced by elements of the same without departing from the scope of the invention. In addition, many modifications can be made to adapt a particular situation or material to the teachings of the invention without departing from its essential scope. Therefore, it is intended that the invention is not limited to the particular realization revealed as the best contemplated way to carry out this invention, but that the invention includes all the realizations covered by the scope of the appended claims.
    权利要求:
    Claims (15)
    [1]
    Claims
    1. NOZZLE (100), characterized by the fact that it comprises:
    a first track (102);
    a second track (104);
    an airfoil (106) that joins the first lane and the second lane; and a mounting member (120) that forms a single piece with the second strip (104) and the airfoil (106), the mounting member having a first surface (114) and a second surface (116), being that the mounting member includes:
    a cavity (130), the cavity extending through the airfoil;
    a radial external load bearing surface (140) surrounding the cavity;
    a radial inner load bearing surface (150) opposite the radial outer load bearing surface;
    a tangential interface (160) between the radial external load bearing surface and the radial internal load bearing surface; and a moment interface surface (170) between the radial external load bearing surface and the radial internal load bearing surface and opposite to the tangential interface;
    wherein the mounting member (120) fixes the nozzle to a surrounding static surface.
    [2]
    2. NOZZLE (100), according to claim 1, characterized by the fact that the nozzle is a composite with a ceramic matrix or a metal.
    [3]
    3. NOZZLE (100), according to claim 1, characterized by the fact that the nozzle is mounted in an arrangement in
    2/4 cantilever.
    [4]
    4. NOZZLE (100) according to claim 1, characterized in that the mounting member (120) includes an axial interface adjacent to the moment interface (170) and between the radial external load-bearing surface and the support surface (140) of radial internal load (150).
    [5]
    5. NOZZLE (100) according to claim 1, characterized in that the mounting member (120) is machined to form the tangential load bearing surface and the surface of the moment interface.
    [6]
    6. NOZZLE SUSPENSOR (400), characterized by the fact that it comprises:
    a nozzle receiving surface (410);
    a housing support (430) forming a single piece with, and which is adjacent to the nozzle receiving surface;
    an axial load-bearing surface (440) approximately perpendicular to the nozzle receiving surface;
    a tangential load-bearing surface (450) approximately perpendicular to the nozzle receiving surface; and a moment load support surface (460) opposite the tangential load support surface;
    wherein the nozzle hanger receives a nozzle and transfers the charge from the nozzle and the hanger to a surrounding static structure.
    [7]
    7. NOZZLE SUSPENSOR (400), according to claim 6, characterized by the fact that the nozzle hanger is made of metal.
    [8]
    8. NOZZLE SUSPENSOR (400), according to claim 6, characterized by the fact that the enclosure hanger (430)
    3/4 fix the nozzle hanger to a box.
    [9]
    9. NOZZLE SUSPENSOR (400), according to claim 6, characterized by the fact that a nozzle is a composite component with ceramic matrix.
    [10]
    10. NOZZLE SUSPENSOR (400) according to claim 6, characterized by the fact that the nozzle hanger includes a sealing member.
    [11]
    11. METAL CERAMIC FIXATION SYSTEM, characterized by the fact that it comprises:
    a nozzle as defined in any one of claims 1 to 5;
    a nozzle hanger as defined in any one of claims 6 to 10, the nozzle hanger being configured to receive the nozzle, the nozzle hanger including:
    a sealing member that surrounds the cavity and is located between the nozzle receiving surface and the nozzle;
    a gripping member adjacent the second surface of the nozzle and the nozzle mounting member; and a plurality of fixing members, the fixing members securing the nozzle, the gripping member and the nozzle hanger together;
    wherein the nozzle hanger sealing member seals the airfoil against the adjacent air flow.
    [12]
    12. METAL CERAMIC FIXING SYSTEM, according to claim 11, characterized by the fact that the nozzle is a composite with ceramic matrix or a metal.
    [13]
    13. METAL CERAMIC FIXATION SYSTEM, according to claim 11, characterized by the fact that the
    4/4 nozzle is a metal.
    [14]
    14. METAL CERAMIC FIXATION SYSTEM, according to claim 11, characterized by the fact that the gripping member includes a plurality of raised surfaces.
    [15]
    15. METAL CERAMIC FIXATION SYSTEM, according to claim 11, characterized by the fact that the enclosure hanger fixes the nozzle hanger to a housing.
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    法律状态:
    2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2021-10-13| B350| Update of information on the portal [chapter 15.35 patent gazette]|
    优先权:
    申请号 | 申请日 | 专利标题
    US201261666411P| true| 2012-06-29|2012-06-29|
    US13/804,402|US9546557B2|2012-06-29|2013-03-14|Nozzle, a nozzle hanger, and a ceramic to metal attachment system|
    PCT/US2013/043265|WO2014003956A1|2012-06-29|2013-05-30|A nozzle, a nozzle hanger, and a ceramic to metal attachment system of a gas turbine|
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