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    • 2. 发明授权
    • Gas turbine combustor having an acoustic energy absorbing wall
    • 具有声能吸收壁的燃气轮机燃烧器
    • US06907736B2
    • 2005-06-21
    • US10032035
    • 2001-12-31
    • Keizo OhnishiKazufumi IkedaMasaki OnoMasaharu NishimuraKatsunori Tanaka
    • Keizo OhnishiKazufumi IkedaMasaki OnoMasaharu NishimuraKatsunori Tanaka
    • F23M99/00F23R3/00F02C7/24F23R3/06
    • F23R3/002F23M20/005F23R2900/00014
    • A gas turbine combustor in which a part or all of the wall of the combustor disposed within an intake chamber is formed as an acoustic energy absorbing member that can absorb the acoustic energy of a combustion variation generated within the combustor. The acoustic energy absorbing member is constructed of a thin corrugated plate in a circumferential direction, a high-temperature-proof perforated material, or a back plate disposed at the outside of a perforated plate in a radial direction with a distance from the perforated plate. It is also possible to provide a covering member at the outside of the acoustic energy absorbing member in a radial direction, for covering the acoustic energy absorbing member with a distance from the acoustic energy absorbing member. It is preferable that the acoustic energy-absorbing member and/or the covering member are reinforced with a frame that extends in a circumferential direction and/or a longitudinal direction.
    • 一种燃气轮机燃烧器,其中设置在进气室内的燃烧器的壁的一部分或全部形成为能够吸收燃烧器内产生的燃烧变化的声能的声能吸收构件。 声能吸收构件由圆周方向的薄波纹板,耐高温多孔材料或设置在多孔板的外侧的径向方向上与多孔板的距离构成的背板构成。 还可以在声能吸收构件的外侧沿径向方向设置覆盖构件,以覆盖距离声能吸收构件一定距离的声能吸收构件。 优选的是,声能吸收构件和/或覆盖构件通过在圆周方向和/或纵向方向上延伸的框架来增强。
    • 3. 发明授权
    • Outer casing covering gas turbine combustor
    • 外壳覆盖燃气轮机燃烧器
    • US07013647B2
    • 2006-03-21
    • US10023702
    • 2001-12-21
    • Masaharu NishimuraMasaki OnoKeizo OhnishiKatsunori Tanaka
    • Masaharu NishimuraMasaki OnoKeizo OhnishiKatsunori Tanaka
    • F02C7/24F01D25/04
    • F23R3/002F23R2900/00014
    • A combustor structure of a gas turbine, in which a sheet-like vibration damper, which resonates with the air vibration in the intake chamber and absorbs the energy of the air vibration, is attached to the inner wall of the casing by an attaching member via a space.The sheet-like vibration damper is made of a single-layered thin flat plate or multi-layered thin flat plates. In case of the multi-layered thin flat plate, the air vibration energy in the intake chamber is absorbed not only by resonance but also by friction among the multi-layered thin plates. The sheet-like vibration damper may be made of a three-dimensional profile member having an inner space in which the attaching member is housed. If the thin flat plates are used, the surface areas thereof are not identical. If the three-dimensional profile members are used, the volumes of the inner spaces are not identical. Consequently, the sheet-like vibration damper can absorb and attenuate the vibration energy of different frequencies. If holes to connect spaces on opposite sides of the sheet-like vibration damper are formed in the sheet-like vibration damper, the air circulates between the spaces on opposite sides of the sheet-like vibration damper. Thus, the sheet-like vibration damper easily vibrates.
    • 一种燃气轮机的燃烧器结构,其中与吸入室中的空气振动共振并吸收空气振动能量的片状振动阻尼器通过附接构件通过连接构件连接到壳体的内壁 一个空间 片状振动阻尼器由单层薄平板或多层薄平板构成。 在多层薄平板的情况下,进气室中的空气振动能量不仅通过共振而且被多层薄板之间的摩擦吸收。 片状振动阻尼器可以由具有容纳安装构件的内部空间的三维轮廓构件制成。 如果使用薄平板,其表面积不相同。 如果使用三维轮廓构件,则内部空间的体积不相同。 因此,片状振动阻尼器可以吸收和衰减不同频率的振动能量。 如果在片状振动阻尼器中形成用于连接片状振动阻尼器的相对侧的空间的孔,则空气在片状振动阻尼器的相对侧的空间之间循环。 因此,片状振动阻尼器容易振动。
    • 4. 发明授权
    • Gas turbine combustor and a gas turbine equipped therewith
    • 燃气轮机燃烧器和配备有燃气轮机的燃气轮机
    • US07832211B2
    • 2010-11-16
    • US10525004
    • 2003-11-28
    • Kazufumi IkedaShigemi MandaiYutaka KawataKuniaki AoyamaMasaki OnoKatsunori Tanaka
    • Kazufumi IkedaShigemi MandaiYutaka KawataKuniaki AoyamaMasaki OnoKatsunori Tanaka
    • F02C7/24F23M5/00
    • F23R3/04F05B2260/962F23M20/005F23R2900/00014Y02T50/675
    • In order to realize a stable decrease in NOx, a gas turbine combustor is supplied which can reduce combustion vibration. A combustor (3) is provided with a first box body (30), which is installed outside an object body (20) such as a combustor basket (6), a transition piece (7) or a bypass duct (11) so as to form a first internal space (31) having a predetermined capacity; and a first throat (32) having a predetermined length which has one end (32a) open to a side wall (20a) of the object body (20) and has the other end (32b) open to a first internal space (31); wherein, a first resistive element (33) having a multiple number of through-holes is inserted and engaged to one end (32a). Fluid particles serving as vibration elements of combustion vibration caused in a combustion region are effectively trapped by the first resistive element (33) and at the same time resonate with the air of the first internal space (31) being connected through the first throat (32) and vibrate in the neighborhood of the first resistive element (33), thereby damping vibration amplitude thereof.
    • 为了实现NOx的稳定降低,提供能够减少燃烧振动的燃气轮机燃烧器。 燃烧器(3)设置有第一箱体(30),其安装在诸如燃烧器筐(6),过渡件(7)或旁通管道(11)的物体(20)的外部,以便 以形成具有预定容量的第一内部空间(31); 以及具有一定长度的第一喉部(32),所述第一喉部(32)的一端(32a)朝向所述物体(20)的侧壁(20a)开口,并且另一端(32b)向第一内部空间(31)开放, ; 其中,具有多个通孔的第一电阻元件(33)被插入并接合到一端(32a)。 作为在燃烧区域中产生的燃烧振动的振动元件的流体颗粒被第一电阻元件(33)有效地捕获,同时与通过第一喉部(32)连接的第一内部空间(31)的空气共振 )并且在第一电阻元件(33)附近振动,从而阻尼振动振幅。
    • 5. 发明申请
    • Gas turbine combustor, and gas turbine with the combustor
    • 燃气轮机燃烧器和燃气轮机
    • US20050223707A1
    • 2005-10-13
    • US10525004
    • 2003-11-28
    • Kazufumi IkedaShigemi MandaiYutaka KawataKuniaki AoyamaMasaki OnoKatsunori Tanaka
    • Kazufumi IkedaShigemi MandaiYutaka KawataKuniaki AoyamaMasaki OnoKatsunori Tanaka
    • F23M99/00F23R3/04F02C7/24
    • F23R3/04F05B2260/962F23M20/005F23R2900/00014Y02T50/675
    • In order to realize a stable decrease in NOx, a gas turbine combustor is supplied which can reduce combustion vibration. A combustor (3) is provided with a first box body (30), which is installed outside an object body (20) such as a combustor basket (6), a transition piece (7) or a bypass duct (11) so as to form a first internal space (31) having a predetermined capacity; and a first throat (32) having a predetermined length which has one end (32a) open to a side wall (20a) of the object body (20) and has the other end (32b) open to a first internal space (31); wherein, a first resistive element (33) having a multiple number of through-holes is inserted and engaged to one end (32a). Fluid particles serving as vibration elements of combustion vibration caused in a combustion region are effectively trapped by the first resistive element (33) and at the same time resonate with the air of the first internal space (31) being connected through the first throat (32) and vibrate in the neighborhood of the first resistive element (33), thereby damping vibration amplitude thereof.
    • 为了实现NOx的稳定降低,提供能够减少燃烧振动的燃气轮机燃烧器。 燃烧器(3)设置有第一箱体(30),其安装在诸如燃烧器筐(6),过渡件(7)或旁通管道(11)的物体(20)的外部,以便 以形成具有预定容量的第一内部空间(31); 以及具有预定长度的第一喉部(32),所述第一喉部(32)具有与所述物体(20)的侧壁(20a)相通的一端(32a),并且另一端(32b)向第一内部空间 (31); 其中,具有多个通孔的第一电阻元件(33)插入并接合到一端(32a)。 作为在燃烧区域中产生的燃烧振动的振动元件的流体颗粒被第一电阻元件(33)有效地捕获,同时与通过第一喉部(32)连接的第一内部空间(31)的空气共振 )并且在第一电阻元件(33)附近振动,从而阻尼振动振幅。