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:
Nov. 20, 2012
Filed:
Jul. 08, 2008
Costas Christofi, Flint, TX (US);
Quynh Hoang, Tyler, TX (US);
Sanjay Gupta, Tyler, TX (US);
Angus Lemon, Tyler, TX (US);
James T. Vershaw, Tyler, TX (US);
Nandagopal Nalla, Tyler, TX (US);
Emile Abi-habib, Tyler, TX (US);
Costas Christofi, Flint, TX (US);
Quynh Hoang, Tyler, TX (US);
Sanjay Gupta, Tyler, TX (US);
Angus Lemon, Tyler, TX (US);
James T. Vershaw, Tyler, TX (US);
Nandagopal Nalla, Tyler, TX (US);
Emile Abi-Habib, Tyler, TX (US);
Trane International Inc., Piscataway, NJ (US);
Abstract
An acoustical vibration dampening system for a rotatable blade comprises at least one section of a rotatable blade and a layer of acoustic damping material coupled to a portion of the at least one section of a rotatable blade. A fan blade comprises a first structural section of a fan blade, a second structural section of the fan blade, and a layer of acoustic damping material provided between the first structural section and the second structural section of the fan blade. A method of making a fan blade with acoustic damping comprises forming at least two sections of a fan blade, and disposing an acoustical vibration dampener between the at least two sections of the fan blade.