TWIN DUCTED FAN TYPE TAIL ROTOR BLADE FOR ROTARY-WING AIRCRAFT - General Manager, Technology Research Division, Ministry of Defense

Title:

TWIN DUCTED FAN TYPE TAIL ROTOR BLADE FOR ROTARY-WING AIRCRAFT

Document Type and Number:

Japanese Patent JP3968634

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To provide a rotary-wing aircraft excellent in performance and safety, by improvement in which a ducted fan type tail rotor blade can be applied to a large rotary-wing aircraft of which gross load is 7 tons or more.
SOLUTION: Two ducted fan type tail rotor blades are built into a rear end portion of a tail boom and a vertical tail of the rotary-wing aircraft to constitute a twin ducted fan type tail rotor blade.

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Inventors:

Yoshiyuki Niwa
Yoshinari Tobinaga
Takashi Watanabe
Atsushi Murashige
Hiroki Nishimura

Application Number:

JP2001378867A

Publication Date:

August 29, 2007

Filing Date:

December 12, 2001

Export Citation:

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Assignee:

General Manager, Technology Research Division, Ministry of Defense
Kawasaki Heavy Industries, Ltd.

International Classes:

B64C27/78; B64C27/20; (IPC1-7): B64C27/78; B64C27/20

Domestic Patent References:

JP4237697A
JP7069295A
JP2662838B2
JP4190655A
JP7156890A
JP6335204A

Attorney, Agent or Firm:

Keiichiro Saikyo

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