Title:
FAN OF HOLLOW BLADE STRUCTURE
Document Type and Number:
Japanese Patent JP2001289195
Kind Code:
A
Abstract:
To strictly control the quality of a fan of hollow blade structure by visualizing, from the outside, the connection state of a connection part between a blade body having a recessed part therein and a cover member covering the recessed part.
A fan blade 1 comprises the blade body 3 having the recessed part 4 formed therein and the cover member 5 covering the recessed part 4. A light permeability is given, wholly or partly, to the cover member 5 so that the connection state of a connection part 7 between the blade body 3 and the cover member 5 is visible from the outside.
Inventors:
TAKAOKA NARIYUKI
SUEOKA YOSHIHISA
SUEOKA YOSHIHISA
Application Number:
JP2000109061A
Publication Date:
October 19, 2001
Filing Date:
April 11, 2000
Export Citation:
Assignee:
DAIKIN IND LTD
International Classes:
F04D29/38; (IPC1-7): F04D29/38
Attorney, Agent or Firm:
Hiroshi Ohama