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:
Dec. 27, 2022
Filed:
Oct. 10, 2018
Applicant:
Mitsubishi Heavy Industries Thermal Systems, Ltd., Tokyo, JP;
Inventors:
Koji Maeta, Tokyo, JP;
Shintaro Omura, Tokyo, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25D 23/00 (2006.01); F25B 41/40 (2021.01); F25B 41/39 (2021.01); F25B 13/00 (2006.01);
U.S. Cl.
CPC ...
F25B 41/39 (2021.01); F25B 13/00 (2013.01); F25B 41/40 (2021.01); F25D 23/00 (2013.01); F25D 2500/00 (2013.01);
Abstract
Provided is a refrigeration machine provided with: a refrigeration cycle having a compressor, a condenser, an expander, an evaporator, and piping () which sequentially connects the compressor, the condenser, and the expander; and an acoustic device () having a space formation section () which has one end () connected to the piping () and in which a space is formed, the acoustic device () also having a vibration body () which is affixed integrally to the other end of the space formation section () and which has a lower natural frequency than the space formation section ().