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특허 상세정보

Torsional flexing energy absorbing blade lock

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F01D-005/32   
미국특허분류(USC) 416/221; 416/220R; 029/889.21
출원번호 US-0689423 (2010-01-19)
등록번호 US-8459954 (2013-06-11)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Carlson, Gaskey & Olds, P.C.
인용정보 피인용 횟수 : 5  인용 특허 : 11
초록

A lock for constraining blades in a hub includes a flexible ring for constraining the blades from moving axially in the hub, a finger attached to the hub for preventing the ring from rotating relative to the hub and whereby the ring flexes about at least a partial circumference thereof if urged axially by the blades.

대표
청구항

1. A lock for constraining blades in a hub, said lock comprising: a flexible first ring for constraining the blades from moving axially in the hub, wherein the flexible first ring includes a radially inner surface and a radially outer surface; andfingers attached to said hub and preventing said flexible first ring from rotating, wherein said flexible first ring is unconstrained about the radially outer surface such that the radially outer surface flexes axially about at least a partial circumference responsive to axially forward movement by said blades. ...

이 특허에 인용된 특허 (11)

  1. Schellhase Ernst C. (Fort Worth TX) Anastas ; deceased Dan (late of Swarthmore PA) Anastas ; executrix by Peggy (Delaware County PA) Keefer Paul E. (Bedford TX) Covington Cecil E. (Hurst TX) Zierer J. Apparatus and method for folding and locking rotor blades. USP1991075031858.
  2. Moore Jerry H. (Palm Beach Gardens FL). Blade lock for a rotor disk and rotor blade assembly. USP1992095151013.
  3. Zabawa, Douglas J.; Welch, Douglas A.; Graves, William R.. Chamfered attachment for a bladed rotor. USP2005016846159.
  4. Langley Kenneth R. (Wotton-under-Edge GB2) Fuller John R. D. (Bristol GB2). Disc channel for cooling rotor blade roots. USP1981064275990.
  5. Volponi Allan J. (West Simsbury CT) Solomonides Jason B. (West Hartford CT). Fuzzy logic method and apparatus for changing the position of turbine blades via an induction motor, brake and a positio. USP1996015481648.
  6. Harrison Matthew S. (Orlando FL) Obley Alan L. (Altamonte Springs FL). Generator blower rotor structure. USP1991125073087.
  7. Mannava Seetharamaiah (Cincinnati OH) Cowie William D. (Xenia OH). Laser shock peened disks with loading and locking slots for turbomachinery. USP1996065522706.
  8. Pica, Bret D.. Rotary/fixed wing aircraft. USP2005016845941.
  9. Stamps Frank B. ; Zierer Joe J. ; Covington Cecil E. ; Baskin Charles L. ; Shimek Glenn. Rotor blade stowing system. USP1999025868351.
  10. Naudet Jacky (Bondoufle FRX) Bertrand Jean-Louis (Melun FRX). System for attaching a rotor blade to a rotor disk. USP1988034730983.
  11. Gustafson Robert E. (Windsor CT). Variable pitch pan blade retention arrangement. USP1992075129786.