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    • 6. 发明授权
    • Helical spline lock
    • 螺旋花键锁
    • US09169955B2
    • 2015-10-27
    • US13550760
    • 2012-07-17
    • Keith A. Kerns
    • Keith A. Kerns
    • F16L37/22F16L41/12
    • F16L41/12
    • A helical spline lock for securing an inlet duct to a portion of a combustor body includes a helical spline key having a helical shape defined at least in part by a shape of a combustor body. A first lug is disposed about the combustor body and has a first channel for at least partially receiving and interfacing with the helical spline key. A second lug is disposed about an inlet duct and has a second channel for at least partially receiving and interfacing with the helical spline key. The first lug and the second lug are configured to mate with one another to form a helical keyway from the first and second channels, and the helical spline key is insertable into the keyway to secure the inlet duct to the combustor body.
    • 用于将入口管道固定到燃烧器主体的一部分的螺旋花键锁包括具有至少部分地由燃烧器主体的形状限定的螺旋形状的螺旋花键。 第一凸耳设置在燃烧器主体周围,并且具有用于至少部分地接收和与螺旋花键键接口的第一通道。 第二凸耳围绕入口管道设置,并且具有用于至少部分地接收和与螺旋花键键接口的第二通道。 第一凸耳和第二凸耳被配置为彼此配合以形成从第一和第二通道的螺旋键槽,并且螺旋花键键可插入键槽中,以将入口管道固定到燃烧器主体。
    • 10. 发明授权
    • Plug-in coupling for connecting two fluid ducts
    • US5992895A
    • 1999-11-30
    • US131611
    • 1998-08-10
    • Christoph Steinkamp
    • Christoph Steinkamp
    • F16L37/12F16L37/098F16L37/22F16L11/12
    • F16L25/01F16L37/0985Y10S285/921
    • A plug-in coupling connects a first fluid duct to a second fluid duct. The first fluid duct has at least one retaining rib disposed on an outer peripheral surface thereof. The plug-in coupling includes a sleeve having a plurality of radial openings. Each of the radial openings has a front edge. The sleeve has an inner shoulder disposed on an inner peripheral surface thereof. A cylindrical locking device is received and is axially displaceable within the sleeve. The locking device has at least two axially extending, elastically flexible retaining arms depending from the locking device. A free end of each of the retaining arms is hook-shaped for selectively engaging the retaining rib when the first fluid duct is inserted into the locking device. Each of the free ends has a radially outwardly facing inclined face that abuts against the front edge of one of the radial openings in the sleeve when the sleeve and the locking device are axially displaced away from each other thereby increasing the engagement force applied by the hook-shaped free end to the retaining rib. Each of the free ends has a radially inwardly facing inclined face that is disposed adjacent to the retaining rib when the first fluid duct is inserted in the locking device. The locking device has at least two release arms depending therefrom. One of the release arms is disposed between two of the retaining arms. Each of the release arms projects radially outwardly through one of the radial openings in the sleeve. Each of the release arms is axially displaceable with respect to the sleeve. A plurality of axially extending ribs are disposed on an inside peripheral surface of the sleeve. At least one sealing ring is disposed between the inner shoulder of the sleeve and the locking device. Each of the axially extending ribs is disposed between one of the retaining arms and one of the release arms of the locking device. Each of the ribs is disposed adjacent to the retaining rib when the first fluid duct is inserted into the locking device.