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:
Jun. 03, 2025
Filed:
Nov. 17, 2020
Mitsubishi Electric Corporation, Tokyo, JP;
Shunji Ueda, Tokyo, JP;
Kota Nagano, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
An air-conditioning apparatus includes: a refrigerant circuit; a casing configured to accommodate therein a heat exchanger and an internal refrigerant pipe, the heat exchanger and the internal refrigerant pipe each forming a part of the refrigerant circuit; a refrigerant pipe connection portion; an opening port formed on the casing, and configured to allow an interior of the casing to communicate with an exterior of the casing; a cover portion configured to cover a periphery of the refrigerant pipe connection portion, and cover, the opening port; and a refrigerant sensing unit provided in a refrigerant leakage sensing space, the refrigerant leakage sensing space being made up of an outside space of the casing and an inside space of the casing, the outside space being covered by the cover portion, the inside space communicating with the outside space through the opening port.