Patent · US Expired

Air conditioner

US6519959B2 · kind B2 · utility

8Cited by
3References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 12, 2001
Grant dateFeb 18, 2003
Priority date
Expiry dateOct 12, 2021

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25B49/025
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An air conditioner having a permanent magnet electric motor with a high output power characteristic in a cooling and heating range and a high output characteristic even in defrosting operation in a high-speed range.

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