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8/2/2019 7735779 Optimized Fuselage Structure
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(12) United States PatentGriess et al.
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1US007735779B2
(10) Patent No.:(45) Date of Patent: US 7,735,779 B2J u n . 1 5 , 2 0 1 0
(54) OPTIMIZED FUSELAGE STRUCTURE(75) Inventors: Kenneth H. Griess, Kent, WA (US);
Gary E Georgeson, Federal Way, WA(US)(73) Assignee: The Boeing Company, Irvine, CA (US)
Subject to any disclaimer, the term of thispatent is extended or adjusted under 35U.S.C. 154(b) by 853 days.
(21) Appl. No.: 11/555,829
( *) Notice:
(22) Filed: Nov. 2, 2006(65) Prior Publication Data
US 2008/0105785 Al May 8, 2008(51) Int. Cl.
B64C 1/00 (2006.01)(52) U.S. Cl. 244/119; 244/120(58) Field of Classification Search . ... ... ... 244/117 R,
244/119,120,125,106; D12/319; 52/630,52/790.1; 428/116-120,304.4See application file for complete search history.
References Cited56)U.S. PATENT DOCUMENTS
3,511,456 A * 5/1970 Fehring et al. . .. .. .. ... 244/102 R4,593,870 A 6/1986 Cronkhite et al.4,674,712 A 6/1987 Whitener et al.6,834,833 B2 1212004 Sankrithi6,959,894 B2 1112005 Hayashi200210153454 Al 1012002 Seidel
2M240
;:200202
216
228~226
2005/0061916 Al2007/0108347 Al
3/2005 Sankrithi5/2007 Sankrithi et a l.
FOREIGN PATENT DOCUMENTSWOWO
5/19975/2007
1997154922007057411
OTHER PUBLICATIONSUK Intellectual Property Office, Combined Search and ExaminationReport under Sections 17 and 18(3), for United Kingdom PatentApplication No. GB0721312.7, dated Feb. 13,2008."Aeronautics Lifting Fuselage: The Lifting Fuselage Body." Merid-ian International Research. http://www.meridian-int-res.comiAero-nautics/Burnelli.htm.Fuselage. http://wikipedia.org/wiki/Fuselage.Ilcewicz, L.B. "Advanced Technology CompositeFuselage-Program Overview." NASA Contractor Report 4734, Apr.1997.Longeron. http://wikipedia.org/wiki/Longeron.* cited by examinerPrimary Examiner-Michael R MansenAssistant Examiner-Joshua J Michener(74) Attorney, Agent, or Firm-Charles L. Moore; Moore &Van Allen, PLLC(57) ABSTRACTA fuselage structure including an upper fuselage portiondefined by a first cross-section including at least three differ-ent radii of curvature. The fuselage structure may also includea lower fuselage port ion defined by a second cross-sectionincluding at least three different radii of curvature, whereinthe first cross-section is different from the second cross-section.
37 Claims, 8 Drawing Sheets
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http://wikipedia.org/wiki/Fuselage.http://wikipedia.org/wiki/Longeron.http://wikipedia.org/wiki/Longeron.http://wikipedia.org/wiki/Fuselage.8/2/2019 7735779 Optimized Fuselage Structure
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