The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 27, 1976
Filed:
May. 20, 1974
William P Lear, Verdi, NV (US);
Lear Avia Corporation, Reno, NV (US);
Abstract
The sound suppressor hereof significantly reduces the operational noise of jet engines, particularly on takeoff and approach of jet aircraft. The system hereof is simple, effective, and relatively low in cost. It adds relatively little weight to the engine assembly, and absorbs negligible power. The suppressor comprises convolutions of sheet metal that surround the exhaust nozzle, and direct cool air to the outer periphery of the engine exhaust gases. The result is a reduction of jet engine noise sufficient to meet the Federal Air Regulations Standards as currently established by the FAA. The suppressor is particularly advantageous for business-type executive jet aircraft.