Patent ID: 7901178

Claim:
An inner diameter vane shroud system having an enclosed synchronizing mechanism, the inner diameter vane shroud system comprising: a shroud comprising: an arcuate body; a socket extending into the arcuate body to have a radially outward facing opening, the socket including: a neck bore extending into a base of the socket; and a button cavity connected to the neck bore; and a synchronizing channel extending circumferentially through the arcuate body and connected to the socket; a variable vane comprising: an inner diameter trunnion disposed within the socket, the trunnion including: a neck portion extending radially from the trunnion and disposed within the neck bore; and a button connected to the neck portion and disposed within the button cavity; and a synchronizing mechanism disposed within the synchronizing channel and connected to the inner diameter trunnion; wherein the inner diameter trunnion covers the socket to prevent access through the socket to the synchronizing cavity within the arcuate body.