公开(公告)号：DE69828757D1

公开(公告)日：2005-03-03

申请号：DE69828757

申请日：1998-12-02

Applicant: UNITED TECHNOLOGIES CORP

Inventor： TABBITA MARTIN G ,  DOWNS JAMES P ,  SOECHTING FRIEDRICH ,  AUXIER THOMAS A

IPC: F01D5/18

Abstract: A hollow airfoil 10 is provided with a trench 18 which is aligned with a stagnation line 42 extending along the leading edge 26. Cooling air apertures 38 extend between an inner cavity of the airfoil and the trench 18 to supply cooling air thereto.

公开(公告)号：DE69828757T2

公开(公告)日：2005-07-14

申请号：DE69828757

申请日：1998-12-02

Applicant: UNITED TECHNOLOGIES CORP

Inventor： TABBITA MARTIN G ,  DOWNS JAMES P ,  SOECHTING FRIEDRICH ,  AUXIER THOMAS A

IPC: F01D5/18

Abstract: A hollow airfoil 10 is provided with a trench 18 which is aligned with a stagnation line 42 extending along the leading edge 26. Cooling air apertures 38 extend between an inner cavity of the airfoil and the trench 18 to supply cooling air thereto.

公开(公告)号：DE924382T1

公开(公告)日：2000-03-02

申请号：DE98309883

申请日：1998-12-02

Applicant: UNITED TECHNOLOGIES CORP

Inventor： TABBITA MARTIN G ,  DOWNS JAMES P ,  SOECHTING FRIEDRICH ,  AUXIER THOMAS A

IPC: F01D5/18

Abstract: A hollow airfoil 10 is provided with a trench 18 which is aligned with a stagnation line 42 extending along the leading edge 26. Cooling air apertures 38 extend between an inner cavity of the airfoil and the trench 18 to supply cooling air thereto.