Variable pitch rotor blade for shrouded rotors, in...

Details Variable pitch rotor blade for shrouded rotors, in... Variable pitch rotor blade for shrouded rotors, in...

2006-05-09

2006-05-09

Look, Edward K. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Articulated, resiliently mounted or self-shifting impeller...

Nonmetallic resilient mounting

C416S138000, C416S141000, C416S22900R

Reexamination Certificate

active

07040863

ABSTRACT:
The blade includes a current part (1) having an aerodynamic profile enclosing a spar (7) and extending from blade tip (4) to a blade root (3) provided with a pitch sleeve (21), through which twisting arm (6) passes and protrudes beyond blade root (3), and having a first part of a bundle (5) of superimposed and elongated metal strips, current part (1) including a block (13) based on synthetic material molded in form in a single piece around spar (7), and a second part of bundle (5) extending in line with the first part forming the twisting arm (6) and cooperating with the anchoring devices (14, 17) of the block (13) based on synthetic material around the spar (7).

REFERENCES:
patent: 3161238 (1964-12-01), Key
patent: 4305699 (1981-12-01), Martinelli
patent: 4306837 (1981-12-01), Brogdon et al.
patent: 4892462 (1990-01-01), Barbier et al.
patent: 5042968 (1991-08-01), Fecto
patent: 5454693 (1995-10-01), Aubry et al.
patent: 5462408 (1995-10-01), Coffy
patent: 5527155 (1996-06-01), Chen et al.
patent: 2002/0164251 (2002-11-01), Sehgal et al.
patent: 2 285 298 (1976-04-01), None
patent: 2 430 354 (1980-02-01), None
patent: 2 699 498 (1994-06-01), None
patent: 2 699 499 (1994-06-01), None

Affiliated with

Also associated with

Rating

Variable pitch rotor blade for shrouded rotors, in... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Variable pitch rotor blade for shrouded rotors, in..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Variable pitch rotor blade for shrouded rotors, in... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3530854