Patent ID: 11898755
Assignee: GENERAL ELECTRIC COMPANY
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 7:
8. The combustor according to claim 4, wherein each of the plurality of expanded primary volume chambers includes a first side, a second side opposite the first side, and a radially outer side connected to the first side and to the second side, wherein the first side includes an airflow opening therethrough,
the secondary outer liner portion further includes a plurality of airflow opening engagement members extending outward therefrom, respective ones of the plurality of airflow opening engagement members being arranged to engage with a respective one of the airflow openings, and,
when the secondary outer liner portion is rotated to a first position to open access to the plurality of expanded primary volume chambers, respective ones of the airflow opening engagement members engage to close the respective ones of the airflow openings, and, when the secondary outer liner portion is rotated to a second position to close access to the plurality of expanded primary volume chambers, the respective ones of the plurality of airflow opening engagement members disengage the respective ones of the airflow openings to allow a cooling airflow to flow into the plurality of expanded primary volume chambers to provide impingement cooling to the secondary outer liner portion.