Patent · US Expired

Air-conditioner, outdoor unit and refrigeration unit

US6505480B2 · kind B2 · utility

6Cited by
18References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 3, 2002
Grant dateJan 14, 2003
Priority date
Expiry dateApr 3, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02B30/70
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

An air-conditioner, an outdoor unit and an refrigeration device each using a refrigeration cycle which can reduce power consumption so as to be highly efficient, which can be operated by a commercially available power source, and which is highly reliable. An air-conditioner comprises a motor and a refrigeration cycle including a compressor driven by the motor, an outdoor heat-exchanger and an indoor heat-exchanger, the motor being located in a motor chamber within a closed container, and refrigerant gas in the refrigeration cycle flows through the motor chamber, wherein the motor has a core of a rotor in which a cage type conductor and permanent magnets magnetized in bipolar state are embedded, and said motor is driven by a commercially available electric power source.

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