Fluid collection gutter for a geared turbine engine

1. A system for a gas turbine engine, comprising:

a gear train with an axial centerline; and

a gutter at least partially circumscribing the gear train;

the gutter including an inner surface and a channel;

the channel configured to receive fluid directed out of the gear train; and

the channel extending radially into the gutter from the inner surface, and the channel extending circumferentially within the gutter to a channel outlet;

wherein the channel outlet has a triangular cross-sectional geometry.

2. The system of claim 1 , wherein the triangular cross-sectional geometry is an obtuse triangular cross-sectional geometry.

3. The system of claim 1 , wherein

the channel outlet is radially outboard of and circumferentially aligned with a first portion of the channel; and

the first portion of the channel has a polygonal cross-sectional geometry.

4. The system of claim 3 , wherein the polygonal cross-sectional geometry is a rectangular cross-sectional geometry.

5. The system of claim 1 , wherein

a second portion of the channel has a cross-sectional geometry comprising a first region and a second region radially outboard of the first region; and

the second region has a triangular shape.

6. The system of claim 5 , wherein the first region has a rectangular shape.

7. The system of claim 1 , further comprising:

a plurality of turbine engine rotors arranged along the axial centerline;

the turbine engine rotors including a first rotor and a second rotor;

each of the turbine engine rotors including a plurality of rotor blades arranged around and connected to a rotor disk; and

the first rotor connected to and driven by the second rotor through the gear train.

8. The system of claim 7 , wherein the first rotor is configured as a fan rotor and the second rotor is configured as a turbine rotor.

9. The system of claim 8 , wherein the gear train comprises a planetary gear train or a star gear train.

10. A system for a gas turbine engine, comprising:

a gear train with an axial centerline; and

a gutter at least partially circumscribing the gear train;

the gutter including an inner surface and a channel;

the channel configured to receive fluid directed out of the gear train; and

the channel extending radially into the gutter from the inner surface, and the channel extending circumferentially within the gutter to a channel outlet;

wherein the channel outlet is radially outboard of and circumferentially aligned with a first portion of the channel;

wherein the channel outlet has a rectangular cross-sectional geometry with a first axial width;

wherein the first portion of the channel has a rectangular cross-sectional geometry with a second axial width that is greater than the first axial width; and

wherein an axial center of the channel outlet is axially aligned with an axial center of the first portion of the channel.

11. The system of claim 10 , wherein

the gutter further includes a conduit that extends through the gutter and is fluidly coupled with and downstream of the channel outlet; and

a wall of the gutter axially separates and partially forms a first portion of the conduit and the first portion of the channel.

12. The system of claim 11 , wherein the first portion of the conduit has a rectangular cross-sectional geometry.

13. A system for a gas turbine engine, comprising:

a gear train with an axial centerline; and

a gutter at least partially circumscribing the gear train;

the gutter including an inner surface and a channel;

the channel configured to receive fluid directed out of the gear train; and

the channel extending radially into the gutter from the inner surface, and the channel extending circumferentially within the gutter to a channel outlet;

wherein the channel outlet has a channel outlet cross-sectional geometry comprising a first region and a second region radially outboard of the first region;

wherein the first region has an acute trapezoidal shape; and

wherein the second region has a rectangular shape.

14. The system of claim 13 , wherein the channel outlet cross-sectional geometry consists of the first region and the second region.

15. The system of claim 13 , wherein

a portion of the channel upstream of the channel outlet has a channel cross-sectional geometry comprising a channel first region and a channel second region located radially outboard of the channel first region; and

the channel first region and the channel second region are configured with at least different shapes and/or different sizes.

16. The system of claim 15 , wherein the channel first region has a rectangular shape and the channel second region has an acute trapezoidal shape.

17. A system for a gas turbine engine, comprising:

a gear train with an axial centerline; and

a gutter at least partially circumscribing the gear train;

the gutter including an inner surface and a channel;

the channel configured to receive fluid directed out of the gear train; and

the channel extending radially into the gutter from the inner surface, and the channel extending circumferentially within the gutter to a channel outlet;

wherein the channel outlet is radially outboard of and circumferentially aligned with a first portion of the channel;

wherein the channel outlet has a first radial height, and the first portion of the channel has a second radial height that is greater than the first radial height;

wherein the channel outlet and the first portion of the channel each have a rectangular cross-sectional geometry; and

wherein the gutter further includes a conduit that extends through the gutter and spirals at least partially around the axial centerline from the channel outlet to a conduit outlet.

18. The system of claim 17 , wherein

the conduit is fluidly coupled with and downstream of the channel outlet; and

a wall of the gutter axially separates and partially forms a first portion of the conduit and a second portion of the channel.