Jet engine with noise energy dissipation

Details Jet engine with noise energy dissipation Jet engine with noise energy dissipation

1977-12-23

1980-09-02

Croyle, Carlton R.

Power plants

Internal combustion engine with treatment or handling of...

Material from exhaust structure fed to engine intake

23926519, 181213, F02K 100, B63H 1110, F01N 300

Patent

active

042200024

ABSTRACT:
Means to damp the transmission of gas vibration aft of the tailpipe from the high velocity exhaust gas to the relatively slow moving airstream surrounding the said tailpipe of a jet engine wherein a metallic fringe, due to the low resonant characteristics of slack fine wire, acts as a vibration damper when externally affixed and surrounding the terminus of the said tailpipe, with an additional vibration impediment comprising a miniature airfoil surrounding the said terminus while functioning as an air-pressure reducer wherein a low air-pressure area is interposed between the said exhaust gas and the said airstream.

REFERENCES:
patent: 2882991 (1959-04-01), Killian
patent: 2959917 (1960-11-01), McGehee
patent: 2984972 (1961-05-01), Davidson
patent: 3041218 (1962-06-01), Layton
patent: 3153319 (1964-10-01), Young et al.
patent: 3568792 (1971-03-01), Urquhart
patent: 3572464 (1971-03-01), MacDonald

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