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특허 상세정보

Exhaust silencer convection cooling

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F02C-007/12   
미국특허분류(USC) 060/039.83; 060/226.1; 060/770; 060/039.5; 060/039.52; 181/213; 181/215; 181/220
출원번호 US-0774240 (2010-05-05)
등록번호 US-8621842 (2014-01-07)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Carlson, Gaskey & Olds, P.C.
인용정보 피인용 횟수 : 2  인용 특허 : 13
초록

An example auxiliary power unit (APU) exhaust silencer includes cooling features to protect the outer skin and other components from heat generated by gases passing through an exhaust duct. Cooling air flow through a cooling air passage in thermal contact with the exhaust silencer carries heat away from other nearby components and the aircraft skin.

대표
청구항

1. An auxiliary power unit noise reduction system comprising: an exhaust duct;an exhaust silencer surrounding the exhaust duct, the exhaust silencer including a plurality of baffles in communication with the exhaust duct;a passage disposed around the exhaust silencer and in thermal communication with the exhaust silencer, wherein the passage includes an opening within a plane transverse to a longitudinal axis of the exhaust duct and common with a terminal end of the exhaust duct; anda source of cooling air flow that draws cooling air in through the openi...

이 특허에 인용된 특허 (13)

  1. Gilcreest, Mark D.; Sleath, Trevor G.; Gelzer, Daniel F.; Windels, Merlin C.. Acoustically treated exhaust centerbody for jet engines and associated methods. USP2011098025122.
  2. Hoag Michael S. ; Plank Steven K.. Auxiliary power unit passive cooling system. USP2000076092360.
  3. Ross David F. (Scottsdale AZ) Lyon Craig A. (Mesa AZ). Compact muffler apparatus and associated methods. USP1987024645032.
  4. Campbell, Thomas A.; Chambers, David S.; Willie, Robert H.; Rust, Charles W.. Dual flow APU inlet and associated systems and methods. USP2009117611093.
  5. Sheoran Yogendra Y. (Scottsdale AZ) Schmittenberg Marc (Phoenix AZ) Lyon Craig A. (Mesa AZ) Royalty Charles M. (Tempe AZ) Kenzler Kurt T. (Chandler AZ) Davis Thomas W. (Tempe AZ). Exhaust eductor cooling system. USP1993115265408.
  6. Suenaga, Kiyoshi; Mandai, Shigemi; Tanaka, Katsunori. Gas turbine combustor having bypass and annular gas passage for reducing uneven temperature distribution in combustor tail cross section. USP2005036860098.
  7. Laborie, Daniel Jean-Louis. Gas turbine engine having a cooling-air nacelle-cowl duct integral with a nacelle cowl. USP2010027665310.
  8. Campbell,Thomas A.; Voll,William A.; Diamond,John A.. Integrated axially varying engine muffler, and associated methods and systems. USP2007097267297.
  9. Francisco, Jay M.; Napier, James C.; Sapiro, Dan G.; Hagshenas, Behzad. Mixed-flow exhaust silencer assembly. USP2009087578369.
  10. Dionne, Luc. Passive cooling system for auxiliary power unit installation. USP2003116651929.
  11. Dionne, Luc. Passive cooling system for auxiliary power unit installation. USP2005096942181.
  12. Hagshenas,Bezhad. Thermal management for aircraft auxiliary power unit compartment. USP2008037337605.
  13. Sheoran, Yogendra Y.; Brown, Daniel V.; Edmonds, David H.. Tortuous path quiet exhaust eductor system. USP2003096615576.