Seal support assembly for a turbine engine

A turbine engine defining a radial direction, comprising:

• a rotor;
• a stator comprising a carrier;
• a seal assembly disposed between the rotor and the stator, the seal assembly comprising a plurality of seal segments, the plurality of seal segments having a seal segment having a seal face forming a fluid bearing with the rotor;
• and
• a seal support assembly comprising a pneumatic engagement assembly operable to bias the seal segment along the radial direction during operation of the turbine engine,
• wherein the pneumatic engagement assembly includes a diaphragm, a first engagement rod, a second engagement rod, a third engagement rod, and a radial spring extension, wherein the first engagement rod is coupled to the diaphragm and configured to move in a direction perpendicular to the radial direction, wherein the second and third engagement rods are pivotably coupled to the first engagement rod, wherein the second engagement rod is coupled to the carrier, wherein the third engagement rod is coupled to the seal segment, and wherein the radial spring extension extends between the carrier and the seal segment.

A turbine engine defining a radial direction, comprising:

• a rotor;
• a stator comprising a carrier;
• a seal assembly disposed between the rotor and the stator, the seal assembly comprising a plurality of seal segments, the plurality of seal segments having a seal segment having a seal face forming a fluid bearing with the rotor;
• and
• a seal support assembly comprising a pneumatic engagement assembly operable to bias the seal segment along the radial direction during operation of the turbine engine,
• wherein the seal segment defines an engagement surface having a slope relative to an axial direction, wherein the pneumatic engagement assembly defines a pressurized sliding chamber and includes a slider positioned at least partially within the pressurized sliding chamber, wherein the slider includes a radial extension engaged with the engagement surface of the seal segment.

A turbine engine defining a radial direction, comprising:

• a rotor;
• a stator comprising a carrier;
• a seal assembly disposed between the rotor and the stator, the seal assembly comprising a plurality of seal segments, the plurality of seal segments having a seal segment having a seal face forming a fluid bearing with the rotor;
• and
• a seal support assembly comprising a pneumatic engagement assembly operable to bias the seal segment along the radial direction during operation of the turbine engine,
• wherein the pneumatic engagement assembly defines a pressurized sliding chamber and includes a slider positioned at least partially within the pressurized sliding chamber and a radial member extending to the seal segment, wherein the slider includes an engagement surface having a slope relative to an axial direction, wherein the engagement surface is engaged with the radial member to move the seal segment along the radial direction.

A turbine engine defining a radial direction, comprising:

• a rotor;
• a stator comprising a carrier;
• a seal assembly disposed between the rotor and the stator, the seal assembly comprising a plurality of seal segments, the plurality of seal segments having a seal segment having a seal face forming a fluid bearing with the rotor;
• and
• a seal support assembly comprising a pneumatic engagement assembly operable to bias the seal segment along the radial direction during operation of the turbine engine,
• wherein the pneumatic engagement assembly comprises an extension member moveable along the radial direction and a lever assembly, wherein the extension member is coupled to the seal segment through the lever assembly.

A turbine engine defining a radial direction, comprising:

• a rotor;
• a stator comprising a carrier;
• a seal assembly disposed between the rotor and the stator, the seal assembly comprising a plurality of seal segments, the plurality of seal segments having a seal segment having a seal face forming a fluid bearing with the rotor;
• and
• a seal support assembly comprising a pneumatic engagement assembly operable to bias the seal segment along the radial direction during operation of the turbine engine,
• wherein the seal segment is one of the plurality of seal segments of the seal assembly, wherein the pneumatic engagement assembly comprises a unison ring defining a plurality of angled slots, wherein the unison ring is slidably coupled to the plurality of seal segments through the plurality of angled slots, and wherein the pneumatic engagement assembly is operable to rotate the unison ring along a circumferential direction to move the plurality of seal segments along the radial direction.