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. 03, 2021
Filed:
Aug. 08, 2018
Carrier Corporation, Palm Beach Gardens, FL (US);
Hongyi Li, Zhejiang, CN;
Yuling Shi, Shanghai, CN;
CARRIER CORPORATION, Palm Beach Gardens, FL (US);
Abstract
Provided in the present invention are a muffler () for use in a refrigerating device and a refrigerating device. The muffler comprises an outer casing (), an inner wall (), and a sound absorbing material () provided between the inner wall and the outer casing, the inner wall defining a fluid inlet (), a fluid outlet (), and a fluid passage deflected between the fluid inlet and the fluid outlet, wherein at least a partial region of the inner wall is provided with perforations (), and the inner wall has a higher perforation rate at the inner side of the fluid passage than that at the outer side of the fluid passage. The muffler according to the embodiment of the present invention significantly reduces the sound and vibration of the refrigerating device.