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

Claim 6:
7. The combustor according to claim 4, wherein each of the plurality of expanded primary volume chambers includes at least one cooling passage therethrough, and the secondary outer liner portion further includes a plurality of cooling passage engagement members that, when the secondary outer liner portion is rotated to a first position to open access to the plurality of expanded primary volume chambers, the plurality of cooling passage engagement members engage the at least one cooling passage to close the at least one cooling passage, 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 plurality of cooling passage engagement members disengage the at least one cooling passage 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.