F01D17/10

Turbofan engine front section

A turbofan gas turbine engine includes, among other things, a fan section including a fan hub and an outer housing, the fan hub including a hub diameter supporting a plurality of fan blades, a turbine section including a fan drive turbine, and a geared architecture that interconnects the fan drive turbine and the fan hub, the geared architecture including a gear volume.

Low weight large fan gas turbine engine

A gas turbine engine includes a fan with a plurality of fan blades rotatable about an axis, a compressor section, a combustor in fluid communication with the compressor section, and a turbine section in fluid communication with the combustor. The fan defines a fan diameter and the turbine section includes a fan drive turbine with a diameter less than 0.50 the size of the fan diameter. A geared architecture is driven by the turbine section for rotating the fan about the axis.

TURBINE EXHAUST CASE MIXER
20220364477 · 2022-11-17 ·

The turbine exhaust case (TEC) mixer assembly for an aircraft engine includes a center body including a hub that encloses a center body cavity and has a first wall portion and a second wall portion that are axially spaced apart. The first and second wall portions having axial end segments which are removably coupled to each other radially inwardly from the outer periphery of the center body via a fixing arrangement including a fastener that is enclosed within the center body cavity. An axial spring includes a gap axially defined between portions of the axial end segments and located at the outer periphery of the center body. A mixer extends peripherally about the center body and is spaced radially outward from the hub by a plurality of struts extending between the hub and the mixer, the plurality of struts being axially offset from the gap at a strut-hub interface.

Turbocharger having an actuator-actuated adjusting device and a transmission element with one-part component body

A turbocharger for a combustion engine has an adjusting device for matching its operating behavior to the operating behavior of the combustion engine, an actuating actuator, and a transmission element. The transmission element is coupled between the actuating actuator and the adjusting device. The transmission element has a one-part component body, which in each case extends from a first coupling point to a second coupling point along a longitudinal axis and, in each of its end regions, has a coupling element for coupling to the actuating actuator and to the adjusting device. The respective coupling element is designed as an integral part of the component body in the form of a ball receptacle of a ball joint connection in the component body.

Apparatus for removing particulate matter from bleed gas

An intake device for a gas turbine engine includes a snorkel and a housing. The snorkel includes a tubular body and an inlet aperture. The tubular body extends between a closed end and an open end opposite the closed end. The inlet aperture is formed through the tubular body proximate the closed end. The housing is mounted to the snorkel. The housing includes an inner wall, an outer wall, a side wall, a settling chamber, and an outlet tube. The inner wall is adjacent the snorkel. The outer wall is opposite the inner wall. The side wall extends from the inner wall to the outer wall. The settling chamber is within the side wall between the inner wall and the outer wall. The settling chamber is fluidly coupled with the open end. The outlet tube extends through the housing from the settling chamber to an exterior of the housing.

GAS TURBINE ENGINE FRONT SECTION
20230042974 · 2023-02-09 ·

A gas turbine engine includes, among other things, a propulsor section including a propulsor hub, the hub including a hub diameter supporting a plurality of propulsor blades. A compressor section includes a first compressor and a second compressor. A turbine section includes a first turbine and a second turbine. A geared architecture interconnects the first turbine and the propulsor hub. The geared architecture includes a gear volume. A compressor inlet passage is disposed annularly about the geared architecture.

Bypass valve assembly for turbine generators

A bypass valve assembly for a turbine generator includes a valve body, bypass seats, valve stem, valve cap, bypass valve disc, bypass valves, and pressure seal head. The valve body defines a central bore and a plurality of passageways. Each passageway has an inlet smaller than its outlet. Each bypass seat is within the inlet of a corresponding passageway. The bypass seats have a higher wear resistance than the valve body. The valve stem is within the central bore. The valve cap is secured to the valve body. The bypass valve disc is secured to the valve stem. Each bypass valve has a base portion and a nose portion. Each nose portion defines a contoured surface area with a wear coating and extends into a corresponding passageway. The pressure seal head is disposed around the valve stem and defines steps having a wear coating.

Discharge duct of an intermediate housing hub for an aircraft turbojet engine comprising cooling channels

A discharge duct (30) of an intermediate housing hub for an aircraft turbojet engine, comprises an inlet end (41) and an outlet end (42), intended to ensure the passage of air from at least one discharge inlet opening to at least one secondary outlet opening, and comprising an ejection grill (32) arranged at the outlet end (42), the ejection grill (32) comprising a plurality of fins (43), characterised in that the fins (43) comprise flow channels (44) for a fluid to be cooled, so as to form a heat exchange system.

Gas turbine engine inlet

A gas turbine engine that includes a fan nacelle and a core nacelle that provide a bypass flow path radially between. The fan nacelle has an inlet including a throat. The inlet has an inlet forward-most point. A fan is arranged in the bypass flow path and rotatable about an axis. The fan has a leading edge recessed from the inlet forward-most point an inlet length in an axial direction. A spinner has a spinner length from a spinner forward-most point to the leading edge. A ratio of the spinner length to inlet length is equal to or greater than about 0.5.

BYPASS TURBOMACHINE FOR AN AIRCRAFT
20220333495 · 2022-10-20 ·

The invention relates to a bypass turbomachine (2) for an aircraft, comprising a gas generator (5) and a ducted fan (4) comprising variable pitch blades (18) configured to take a reverse thrust position driving a reverse flow (24) of air within a secondary duct (16), the gas generator (5) being connected to a fan casing (3) by a stator blade assembly (40) that passes through the secondary duct, first openings (28) for letting in air from the reverse flow being located on an outer casing (17) at least partially internally delimiting the outer duct, and second openings (29) for letting said air out being located on an inner casing (14) at least partially externally delimiting an inner duct (12). The first openings are located within a plane that is perpendicular to a longitudinal axis (C) of the turbomachine and passes substantially through the middle of the blade assembly.