Multiple pure tone elimination strut assembly

Details Multiple pure tone elimination strut assembly Multiple pure tone elimination strut assembly

1980-09-11

1981-11-17

Hix, L. T.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

B64D 3302

Patent

active

043006566

ABSTRACT:
An acoustic noise elimination assembly having a capability for disrupting the continuity of fields of sound pressures forwardly projected from fans or rotors of a type commonly found in the fan or compressor first stage for air-breathing engines, when operating at tip speeds in the supersonic range. The assembly incudes a tubular cowl 12 defining a duct for delivering an airstream axially into the intake for a jet engine E and a sound barrier 14, defined by a plurality of intersecting flat plates or struts 14a-14d having a line of intersection coincident with a longitudinal axis of the tubular cowl, which serves to disrupt the continuity of rotating fields of multiple pure tonal components of noise.

REFERENCES:
patent: 3080707 (1963-03-01), Vetter
patent: 3363421 (1968-01-01), Ferri
patent: 3426981 (1969-02-01), Allcock
patent: 3477231 (1969-11-01), Paulson
patent: 3483881 (1969-12-01), Pike et al.
patent: 3511337 (1970-05-01), Pease et al.
patent: 3583417 (1971-06-01), Clark et al.
patent: 3610262 (1971-10-01), Wise
patent: 3710889 (1973-01-01), Lamy
patent: 3819008 (1974-06-01), Evans et al.
patent: 3829237 (1974-08-01), Chesstnutt
patent: 3908683 (1975-09-01), Demetrick

Affiliated with

Also associated with

Rating

Multiple pure tone elimination strut assembly does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Multiple pure tone elimination strut assembly, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multiple pure tone elimination strut assembly will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1288898