Engine flow control device

Details Engine flow control device Engine flow control device

1997-03-29

1999-05-25

Freay, Charles G.

Power plants

Reaction motor

Interrelated reaction motors

60223, 60 3931, 244 53R, 244 54, F02C 720, F02K 302

Patent

active

059060972

ABSTRACT:
A fencing assembly (66) for prohibiting circulation of primary and/or fan airflows (52), (54) into a bounded low pressure region of a jet engine installation. The fencing assembly includes one or more flow control fences. In an exemplary application, the fencing assembly includes a number of fences positioned around the sides of a batcave (48) bounded low pressure region that is located between a primary exhaust nozzle (20) and strut fairings (30). The fencing assembly includes five fences, each fence being connected to either the primary exhaust nozzle or the strut fairings. The five fences include single fences (70), (72) positioned along each lateral side of the batcave; two rear fences (74), (74') positioned circumferentially about rear regions of the batcave; and an arcuate fence (76) positioned near the two rear fences to form a half circle. The fences include a foot portion (78) and an upright portion (80).

REFERENCES:
patent: 3101920 (1963-08-01), Fradenburgh
patent: 3175791 (1965-03-01), Toms
patent: 4427169 (1984-01-01), Brown
patent: 4466587 (1984-08-01), Dusa et al.
patent: 4712750 (1987-12-01), Ridgwell
patent: 5524846 (1996-06-01), Shine et al.
patent: 5623820 (1997-04-01), Balzer et al.
patent: 5653406 (1997-08-01), Amano et al.

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