Title:
プロペラ
Document Type and Number:
Japanese Patent JP2006507965
Kind Code:
A
Abstract:
A propeller or propeller blade is manufactured using lattice block material to provide a structure which is generally hollow but for a three-dimensional lattice of support spars. The propeller or propeller blade, being predominately hollow, is substantially lighter than a solid cast propeller or propeller blade while retaining the desired strength due to the three-dimensional lattice of support spars.
Inventors:
Rani, Francesco
Eckert, John, Addison
Eckert, John, Addison
Application Number:
JP2004501250A
Publication Date:
March 09, 2006
Filing Date:
April 09, 2003
Export Citation:
Assignee:
Rolls-Lois Navel Marine, Incorporated
International Classes:
B63H1/26
Attorney, Agent or Firm:
Hideto Asamura
Hajime Asamura
Yukio Iwamoto
Yutaka Yoshida
Hajime Asamura
Yukio Iwamoto
Yutaka Yoshida