Title:
閉角複合翼形部スパー及びその製造方法
Document Type and Number:
Japanese Patent JP7166777
Kind Code:
B2
Abstract:
A closed-angle composite airfoil spar (210) is provided for an airfoil assembly (200). The composite airfoil spar comprises a web portion (320) having a thickness. The composite airfoil spar (210) also comprises a flange portion (322) having a thickness. The flange portion (322) extends transverse to the web portion. The composite airfoil spar may further comprise a radius portion (324) interconnecting the web and flange portions. The radius portion (324) is an acceptable amount thinner relative to thickness of the web portion and thickness of the flange portion based on design requirements and material properties.
Inventors:
Eric E Deck
Charles Alan Rose
Jeffrey K. Burner
Charles Alan Rose
Jeffrey K. Burner
Application Number:
JP2018072239A
Publication Date:
November 08, 2022
Filing Date:
April 04, 2018
Export Citation:
Assignee:
The Boeing Company
International Classes:
B64C3/18; B64C1/00
Domestic Patent References:
| JP2016005867A | ||||
| JP2007015351A | ||||
| JP2008006814A | ||||
| JP56037138A |
Foreign References:
| US20160075425 |
Attorney, Agent or Firm:
Murayama Yasuhiko
Tatsuhiko Abe
Shinpei Kuroda
Choe Yun
Tatsuhiko Abe
Shinpei Kuroda
Choe Yun
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