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:
Aug. 15, 2023
Filed:
Mar. 31, 2021
Trane International Inc., Davidson, NC (US);
Yogesh Pandit, Bengaluru, IN;
Richard L. Jameson, Tyler, TX (US);
Zubin Varghese, Bangalore, IN;
John Bailey, Tyler, TX (US);
Lance Lindenberg, Tyler, TX (US);
Thomas Gort, Tyler, TX (US);
Shiva Prasad Keralapura Basavaraju, Tyler, TX (US);
Kevin Joseph Ligi, Whitehouse, TX (US);
Trane International Inc., Davidson, NC (US);
Abstract
Example embodiments of the present disclosure relate to improved HVAC devices and kits for HVAC devices that improve the sound attenuation associated with the device, particularly low-frequency noise. An example embodiment includes an improved furnace including a housing with a combustion air chamber, a heat exchanger chamber, and a circulation blower chamber, wherein the combustion air chamber comprises a burner assembly and a combustion air fan, the furnace also includes a sound attenuation layer including a first acoustic metamaterial layer coupled to the combustion air chamber and tuned to attenuate sound for a first frequency band, one or more housing openings fluidly connecting the combustion air chamber to an environment outside the housing, wherein the sound attenuation layer includes a discontinuous section that aligns with one or more of the housing openings.