A turbocharger includes a first scroll member made of sheet metal, extending in a circumferential direction of an impeller shaft, having an opening that is opened to the bearing housing, and forming a part of a wall surface of the first turbine scroll passage, a second scroll member made of sheet metal, extending in the circumferential direction of the impeller shaft, having an opening that is opened to the bearing housing, and forming a part of a wall surface of the second turbine scroll passage, and a closing member closing the opening of the first scroll member and forming the wall surface of the first turbine scroll passage on the side thereof adjacent to the bearing housing, and closing the opening of the second scroll member and forming the wall surface of the second turbine scroll passage on the side thereof adjacent to the bearing housing.

An airfoil vane includes an airfoil section including an outer wall that defines an internal cavity; and a baffle situated in the internal cavity, the baffle including a baffle wall that defines a central cavity having a leading end and a trailing end corresponding to a leading end and a trailing end of the airfoil section, and a tail extending from the baffle wall, the tail including at least one feature configured to disturb an airflow surrounding the tail. A baffle for the airfoil vane assembly and a method of assembling a ceramic matrix composite airfoil vane are also disclosed.

A vibrational dampening element is attached to a component and configured to adjust the amplitude of oscillations of the component. The vibrational dampening element includes a mass. The mass includes a main body and a member extending from the main body. A casing that encapsulates the mass. A fluidic chamber defined between the mass and the casing. A first fluidic portion is disposed between a first side of the mass and the casing. The first fluidic portion includes a first accumulator portion directly neighboring the member. A second fluidic portion is disposed between a second side of the mass and the casing. The second fluidic portion includes a second accumulator portion directly neighboring the member. The first accumulator portion is in fluid communication with the second accumulator portion. The vibrational dampening element further includes a primary passage that extends between the first fluidic portion and the second fluidic portion.

An assembly of a gas turbine engine includes a first component, a second component disposed radially outboard of the first component. The second component includes one or more flange segments circumferentially spaced apart by one or more flange openings. Each flange segment includes a groove extending radially outwardly from a radially inboard surface of each flange segment between the first component and the second component. A retaining wire extends along each groove and is located radially between the first component and the second component to axially retain the second component to the first component. A radial cross-sectional size of the retaining wire is greater than a radial gap between the radially inboard surface of the second component and the first component.

Methods and apparatus for gas turbine frame flow path hardware cooling are disclosed. An example engine fan case includes an outer band and an inner band, the outer band and the inner band connected using a double-walled vane, the vane including openings to pass cooling air flow from the outer band to an airfoil of the fairing, and an end segment seal, the seal formed on an edge of the fairing using an auxetic material.

The invention relates to a turbocharger with a variable turbine geometry, comprising a turbine (1, 2, 5, 6, 7, 8, 9) with a turbine rotor (1) which is rotatably mounted in a turbine housing (2); the turbine (1, 2, 5, 6, 7, 8, 9) comprising a blade bearing ring (5) being arranged about a turbine axis (A); wherein the blade bearing ring (5) supports a number of blade shafts (6); wherein adjustable guide blades (7) are arranged at the blade shafts (6) on a front side of the blade bearing ring (5); wherein blade levers (8) are arranged at the blade shafts (6) on a rear side of the blade bearing ring (5); wherein an adjustment ring (9) is arranged coaxially with the blade bearing ring (5) and engages with the blade levers (8), a rotation of the adjustment ring (9) relative to the blade bearing ring (5) providing for an adjustment of the guide blades (7); wherein the adjustment ring (9) comprises at least one axially protruding bearing stop (10), the bearing stop (10) being provided by deformation of the adjustment ring (5).

A turbine includes a turbine impeller, a turbine housing disposed so as to cover the turbine impeller and internally forming a scroll flow passage through which an exhaust gas flows, and a throat forming portion which is provided as a separate piece from the turbine housing. The throat forming portion is disposed to face a section of the turbine housing and forms a hub-side wall surface of a throat portion of the scroll flow passage in an axial direction, the section forming a shroud-side wall surface of the throat portion.

A heat insulating sheet member capable of enhancing a heat insulating performance of an exhaust gas introduction path by an easy operation, including such a path in a turbocharger. The heat insulating sheet member is a bendable member formed from an inorganic flexible material. The heat insulating sheet member includes a first region corresponding to an inlet of a bottom wall portion, a second region corresponding to at least a terminating end portion of the scroll portion, a third region provided between the first region and the second region and corresponding to a coupling wall portion, and a fourth region corresponding to an outer peripheral wall portion. The first region and the third region, the third region and the second region, and the first region and the fourth region are coupled to each other with the inorganic flexible material in a continuous state.

A panel includes a core between and connected to a first skin and a second skin. The core includes a corrugated body, a first sidewall and a second sidewall. The corrugated body includes a plurality of corrugations configured from at least a plurality of baffles and a plurality of septums. Each of the corrugations includes a respective one of the baffles and a respective one of the septums. A first cavity extends laterally within the core from a first of the baffles to a first of the septums. The first cavity extends longitudinally within the core from the first sidewall to the second sidewall. The first cavity is fluidly coupled with a passage through a first portion of the first skin. The first portion of the first skin, the first sidewall and the second sidewall are collectively at least partially formed by a ply of material.

A vane arc segment includes an airfoil piece that has a first platform, a second platform, and an airfoil section between the first platform and the second platform. At least the first platform is formed of a fiber-reinforced composite (FRC) and defines a radial flange. A cap is fitted on the radial flange.