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특허 상세정보

Abrasive blade tip

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B63H-007/02   
미국특허분류(USC) 416/241B ; 416/241 ; R
출원번호 US-0483644 (1995-06-07)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 26  인용 특허 : 0

An improved abrasive blade tip for gas turbine engines is taught, wherein an abrasive tip coating is applied to the blade tip in such a manner as to lessen wear through of the abrasive and the underlying airfoil on the leading and trailing edges, by coating the blade tip with abrasive not only on the tip surface per se, but so as to cover portions of the convex and concave airfoil surfaces at the corners where the tip surface intersects the leading and trailing edges.


A gas turbine engine blade having a convex surface, a concave surface, a leading edge, a trailing edge and a tip surface, said blade comprising an abrasive layer encompassing portions of the convex surface and the concave surface at corners where the tip surface intersects the leading edge and the trailing edge of the blade.

이 특허를 인용한 특허 피인용횟수: 26

  1. Wrabel, Peter; Draghi, Peter J.; Gregg, Shawn J.; Murphy, Timothy P.. Abrasive airfoil tip. USP2014088807955.
  2. Stratton, Eric W.; Minor, Michael J.. Abrasive coating and manufacture and use methods. USP20180710012095.
  3. Stratton, Eric W.; Minor, Michael J.. Abrasive coating and manufacture and use methods. USP20180710018056.
  4. Wettstein,Hans; Nazmy,Mohamed Yousef; Gerdes,Claus Paul. Axial-flow thermal turbomachine. USP2006057048507.
  5. Strock, Christopher W.; Belanger, Philip R.. Blade outer air seal with improved thermomechanical fatigue life. USP2012018100640.
  6. Care, Ian Colin Deuchar; Baralon, Stephane. Blade tip. USP2017129850764.
  7. Gindorf, Alexander; Klemm, Marcus. Dual blisks in the high-pressure compressor. USP2015089114476.
  8. Kinstler, Monika D.; Rutz, David A.; Memmen, Robert L.. Fan and compressor blade dovetail restoration process. USP2012028122600.
  9. Houston David Paul. Gas turbine engine airfoils having increased fatigue strength. USP2000086095755.
  10. Diwinsky, David Scott; Roberts, Herbert Chidsey. In situ tip repair of an airfoil tip in a gas turbine engine via frictional welding. USP20180710024163.
  11. Rose, William M.. Method for restoring airfoil tip contour. USP2010117836594.
  12. Ruehr, William Carl; Schneider, Michael Harvey; Sinha, Sunil Kumar; Cornell, Jay L.. Methods and apparatus for fabricating a rotor assembly. USP2012058172518.
  13. Strock, Christopher W.; Beers, Russell A.. Polymer-coated blade with abrasive tip. USP20190310221698.
  14. Beckman, Brian C.; Kimchi, Gur; Ko, Allan. Propeller blade indentations for improved aerodynamic performance and sound control. USP20180710011346.
  15. Beckman, Brian C.; Kimchi, Gur; Ko, Allan. Propeller blade leading edge serrations for improved sound control. USP20181010099773.
  16. Beckman, Brian C.; Kimchi, Gur; Ko, Allan. Propeller blade trailing edge fringes for improved sound control. USP20190410259562.
  17. Beckman, Brian C.; Kimchi, Gur; Ko, Allan. Propeller surface area treatments for sound dampening. USP20190410259574.
  18. Cheah, Kim Wei. Protective polishing mask. USP2015069057272.
  19. Ekanayake, Sanji; Scipio, Alston Ilford; Goetze, Raymond Henry; King, Peter Samuel; Warwick, Douglas Corbin. Replaceable seals for turbine engine components and methods for installing the same. USP2016049309776.
  20. Eberlein, Armin; Schneider, Albert-Valentin. Replacement part for a gas turbine blade of a gas turbine, gas turbine blade and method for repairing a gas turbine blade. USP2015028944772.
  21. Clark Eugene V. (7327 Elmo St. Tujunga CA 91042) Ortolano Ralph J. (7327 Elmo St. Tujunga CA 91042). Steam turbine components with differentially coated surfaces. USP1997115683226.
  22. Strock, Christopher W.. System and method for manufacture of abrasive coating. USP20180810060273.
  23. Zajchowski Paul H. ; Diaz Alfonso ; Freling Melvin ; Lally John F.. Thermal spray coating process for rotor blade tips using a rotatable holding fixture. USP1999035879753.
  24. Johnson,Nicolas Campino; Hoebel,Matthias; Hurter,Jonas; Niederberger,Christoph. Thermal turbomachine. USP2008097425115.
  25. Grunke,Richard; Peichl,Lothar. Turbine blade for the impeller of a gas-turbine engine. USP2006016984107.
  26. Strock, Christopher W.. Turbine blade tip treatment for industrial gas turbines. USP2018039926794.