238000000926 separation method Methods 0.000 description 1.238000005755 formation reaction Methods 0.000 description 2.238000003379 elimination reaction Methods 0.000 description 2.230000015572 biosynthetic process Effects 0.000 description 2.238000006011 modification reaction Methods 0.000 description 4.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to US11/356,406 priority Critical patent/US7854593B2/en Application filed by Sikorsky Aircraft Corp filed Critical Sikorsky Aircraft Corp Priority to US12/888,782 priority patent/US8172540B2/en Publication of US20110010936A1 publication Critical patent/US20110010936A1/en Application granted granted Critical Publication of US8172540B2 publication Critical patent/US8172540B2/en Status Active legal-status Critical Current Anticipated expiration legal-status Critical Links Original Assignee Sikorsky Aircraft Corp Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Owen Current Assignee (The listed assignees may be inaccurate.
Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active Application number US12/888,782 Other versions US20110010936A1
AIRFOIL HELICOPTER PDF
Google Patents Airfoil for a helicopter rotor bladeÄownload PDF Info Publication number US8172540B2 US8172540B2 US12/888,782 US88878210A US8172540B2 US 8172540 B2 US8172540 B2 US 8172540B2 US 88878210 A US88878210 A US 88878210A US 8172540 B2 US8172540 B2 US 8172540B2 Authority US United States Prior art keywords airfoil rotor blade section rotor lift Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US8172540B2 - Airfoil for a helicopter rotor blade US8172540B2 - Airfoil for a helicopter rotor blade