Louvered seal flap edge stiffener

Details Louvered seal flap edge stiffener Louvered seal flap edge stiffener

1985-12-02

1987-09-01

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Reaction motor discharge nozzle

With means controlling amount, shape or direction of...

2391271, F02K 106

Patent

active

046903305

ABSTRACT:
A flap for a jet engine flap-type nozzle is constructed of a plurality of sheet metal louver elements along the length of the flap, each louver element has a forward U-section having a forward flange and a rearward flange with an interconnecting bottom portion, a plate member extends rearwardly from the end of the rearward flange at the open end of the U-section, the plate member extending over the U-section of its adjacent louver element, the plurality of louver elements being connected together by welding the forward flange to the mating rearward flange, a beam plate extending axially along the U-sections and being fixed thereto, the plate members of adjacent louvers being free to move relative to each other; a stiffener is fixed to the sides of the flap formed by the ends of the plate members, permitting the free movement.

REFERENCES:
patent: 2634578 (1953-04-01), Kallal
patent: 2791882 (1957-05-01), Willard
patent: 2796731 (1957-06-01), Morley et al.
patent: 2806349 (1957-09-01), Yeager
patent: 2841954 (1958-07-01), Rainbow
patent: 3134226 (1964-05-01), Gardiner et al.
patent: 3612400 (1970-06-01), Johnson et al.
patent: 4030290 (1977-06-01), Stachowiak

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