Patent · US Revoked

Air-conditioning unit

US11454433B2 · kind B2 · utility

0Cited by
8References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 25, 2020
Grant dateSep 27, 2022
Priority date
Expiry dateAug 5, 2040

Classification

  • Technology area (CPC —)General

Abstract

An air-conditioning unit that is able to suppress ignition at an electric heater even when leakage of refrigerant occurs while a low-GWP refrigerant is used is provided. In an outdoor unit (20) including a casing (60), a compressor (21) provided inside the casing (60) and configured to compress refrigerant containing 1,2-difluoroethylene, and a drain pan heater (54) provided inside the casing (60), an electric power consumption of the drain pan heater (54) is lower than or equal to 300 W.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.