Patent ID: 11913379
Assignee: BORGWARNER INC.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 15:
16. The entryway system of claim 12, wherein said plurality of vanes includes a first tongue vane positioned adjacent to said first tongue and a second tongue vane positioned adjacent to said second tongue, and
wherein a length of said first tongue does not extend to said outer circumferential ring so as to define a gap between said first tongue and said first tongue vane when said first tongue vane is in said open position, or
wherein a length of said second tongue does not extend to said outer circumferential ring so as to define gap between said second tongue and said second tongue vane when said first tongue vane is in said open position, or
wherein a length of each of said first tongue and said second tongue do not respectively extend to said outer circumferential ring so as to define a gap between said first tongue and said first tongue vane when said first tongue vane is in said open position and so as to define a gap between said second tongue and said second tongue vane when said second tongue vane is in said open position.