Turbine engine combustor wall with aperture deflector

1 . A combustor for a turbine engine, comprising:

a combustor wall including a panel, a deflector and a quench aperture that extends along an aperture centerline through the combustor wall to an aperture outlet into a combustion chamber;

a gas flow direction within the combustor extending along an axis, the gas flow direction extending from an upstream end of the combustor wall to a downstream end of the combustor wall;

the panel extending axially along and circumferentially about the axis, the panel extending radially between a first panel side and a second panel side, the first panel side forming a peripheral boundary of the combustion chamber, and the panel forming a downstream side of the aperture outlet at the first panel side; and

the deflector connected to and projecting out from the panel at the first panel side into the combustion chamber, and the deflector forming an upstream side of the aperture outlet that is upstream of the downstream side along the gas flow direction, wherein a straight portion of the panel is radially adjacent and connected to the deflector axially and circumferentially;

wherein the second panel side is spaced from the aperture outlet along the aperture centerline by a first distance at the downstream side of the aperture outlet, the second panel side is spaced from the aperture outlet along the aperture centerline by a second distance at the upstream side of the aperture outlet, the first distance is a thickness of the panel, the second distance is a combined thickness of the panel and the deflector, and the second distance is greater than the first distance.

2 . The combustor of claim 1 , wherein

the deflector projects out from the panel to a deflector surface;

a tubular surface of the combustor wall forms at least a portion of the quench aperture that extends along the aperture centerline to the aperture outlet; and

the tubular surface is contiguous with the deflector surface.

3 . The combustor of claim 1 , wherein

a tubular surface of the combustor wall forms at least a portion of the quench aperture that extends along the aperture centerline to the aperture outlet; and

the tubular surface is formed by the panel and the deflector.

4 . The combustor of claim 1 , wherein the deflector tapers to the panel as the deflector extends longitudinally away from the aperture outlet to a leading end of the deflector.

5 . The combustor of claim 4 , wherein a slope of the taper proximate the aperture outlet is greater than a slope of the taper proximate the leading end of the deflector.

6 . The combustor of claim 4 , wherein the deflector tapers to the panel as the deflector extends laterally to a first side of the deflector.

7 . The combustor of claim 6 , wherein the deflector tapers to the panel as the deflector extends laterally to a second side of the deflector that is laterally opposite the first side of the deflector.

8 . The combustor of claim 1 , wherein

the deflector projects out from the panel to a deflector surface; and

an apex of the deflector surface is located at the upstream side of the aperture outlet.

9 . The combustor of claim 1 , wherein the deflector extends circumferentially about the aperture outlet between sixty degrees and one-hundred and forty degrees.

10 . The combustor of claim 2 , wherein the upstream side of the aperture outlet is formed by an edge of the deflector where the deflector surface meets the tubular surface at a point.

11 . The combustor of claim 1 , wherein the downstream side of the aperture outlet is formed by an edge of the panel where an interior surface of the panel meets a tubular surface at a point.

12 . The combustor of claim 1 , wherein the downstream side of the aperture outlet is formed by an eased edge of the panel, and the eased edge of the panel comprises a rounded edge or a beveled edge of the panel.

13 . The combustor of claim 1 , wherein

the combustor wall further includes a boss;

the boss projects out from the panel at the second panel side; and

the boss extends circumferentially around and forms an outer peripheral boundary of the quench aperture within the combustor wall.

14 . The combustor of claim 13 , wherein

the combustor wall further includes a heat shield and a shell;

the heat shield includes the panel, the deflector and the boss, and the heat shield is attached to the shell; and

the boss projects out from the panel to a distal end of the boss, and the distal end engages the shell.

15 . The combustor of claim 1 , wherein the combustor wall further includes one or more cooling apertures projecting through the panel.

16 . A combustor for a turbine engine, comprising:

a combustor wall including a panel, a deflector, a cooling aperture and a wall aperture that extends along an aperture centerline through the combustor wall to an aperture outlet into a combustion chamber;

a gas flow direction within the combustor extending along an axis, the gas flow direction extending from an upstream end of the combustor wall to a downstream end of the combustor wall;

the panel extending axially along and circumferentially about the axis, the panel extending radially between a first panel surface and a second panel surface, and the first panel surface forming a peripheral boundary of the combustion chamber;

the deflector projecting radially out from the panel into the combustion chamber to a deflector surface, the deflector partially forming the aperture outlet, the deflector surface sloping away from the first panel surface as the deflector extends longitudinally towards the aperture outlet, and the deflector surface sloping to the first panel surface as the deflector extends longitudinally from the aperture outlet; and

the cooling aperture extending between the deflector surface and a cooling cavity, the cooling aperture having an upstream side and a downstream side, the cooling aperture having a cooling aperture centerline that is angularly offset from the panel by a constant non-zero acute angle, and the cooling aperture projecting through the entirety of the deflector at the constant non-zero acute angle along the cooling aperture centerline;

wherein the upstream side of the cooling aperture is upstream of the downstream side of the cooling aperture along the gas flow direction;

wherein the panel forms a trailing edge side of the aperture outlet relative to the gas flow direction within the combustion chamber; and

wherein the deflector forms a leading edge side of the aperture outlet relative to the gas flow direction within the combustion chamber.

17 . The combustor of claim 16 , wherein the wall aperture comprises a quench aperture.