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특허 상세정보

Fixed nozzle thrust augmentation system

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F02K-003/02   
미국특허분류(USC) 060/226.1; 060/770
출원번호 UP-0321222 (2005-12-29)
등록번호 US-7788899 (2010-09-27)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Kinney & Lange, P.A.
인용정보 피인용 횟수 : 12  인용 특허 : 7
초록

A thrust augmentation system for a mixed exhaust turbofan engine comprises an augmentation duct, a combustion system and a fixed area exhaust nozzle. The augmentation duct receives primary and secondary air of the turbofan engine and is positioned co-axially with an exhaust case of the turbofan engine. The combustion system increases the thrust produced by the mixed exhaust of the turbofan. The fixed area exhaust nozzle has a throat area larger than that which would maximize the non-augmented thrust.

대표
청구항

The invention claimed is: 1. A thrust augmentation system for a turbofan engine having mixed exhaust, the thrust augmentation system comprising: an augmentation duct configured to receive a fixed ratio of primary and secondary air of the turbofan engine during operation of the turbofan engine, the augmentation duct positioned co-axially with and downstream of an exhaust case of the turbofan engine and having a cross-sectional area sized to accommodate unrestricted flow of the primary and secondary air, the primary and secondary air producing non-augment...

이 특허를 인용한 특허 피인용횟수: 12

  1. Peters, Donald W.. Adjustable cable for exhaust duct liner hanger. USP2015109157394.
  2. Peters, Donald W.. Adjustable cable for exhaust duct liner hanger. USP20190110180105.
  3. Kuhne, Craig Miller; Glynn, Christopher Charles; Vondrell, Randy M.; Breeze-Stringfellow, Andrew; Murrow, Kurt David; Zatorski, Darek T.; Yeager, Donald Scott; Dinsmore, Nicholas Rowe; Martin, Samuel Jacob; Bradley, Donald Albert. Engine architecture with reverse rotation integral drive and vaneless turbine. USP20190310227928.
  4. Evulet, Andrei. Fluidic propulsive system and thrust and lift generator for aerial vehicles. USP20190210207812.
  5. Kramer, George J.; Kramer, Stephen K.. Pivoting ball stop for exhaust duct liner hanger. USP2016119494109.
  6. Christians, Joseph T.. Pre-turbine engine case variable area mixing plane. USP2016059341075.
  7. Joshi, Narendra Digamber; Rasheed, Adam; Boespflug, Matthew Patrick; Saddoughi, Seyed Gholamali. Side-initiated augmentor for engine applications. USP2015038991189.
  8. Kramer, George J.; Smith, Jeffrey S.. Spherical button washer for exhaust duct liner hanger. USP2016079382875.
  9. Parrish, Russell P.. Support system bumper for exhaust duct liner hanger. USP2016109476524.
  10. Orlando, Robert Joseph; Moniz, Thomas Ory; Stuart, Alan Roy. Turbine engine assembly and methods of assembling same. USP2017089726113.
  11. Buey, John R.; Martin, Keegan M.. Variable area bypass nozzle. USP20190410260427.
  12. Epstein, Alan H.. Virtual multi-stream gas turbine engine. USP2018059957823.