Patent Number: 6,305,187

Title: Air-conditioner, outdoor unit and refrigeration unit

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.

Inventors: Tsuboe; Hiroaki (Marunouchi 1-chome, Chiyoda-ku, Tokyo 100-8220, JP), Nakayama; Susumu (Marunouchi 1-chome, Chiyoda-ku, Tokyo 100-8220, JP), Saruta; Akira (Marunouchi 1-chome, Chiyoda-ku, Tokyo 100-8220, JP), Urata; Kazumoto (Marunouchi 1-chome, Chiyoda-ku, Tokyo 100-8220, JP)


International Classification: F04C 23/00 (20060101); F04C 29/00 (20060101); F25B 31/02 (20060101); F25B 41/04 (20060101); F25B 49/02 (20060101); F25B 31/00 (20060101); H02K 1/27 (20060101); F04C 18/02 (20060101); F25B 13/00 (20060101); H02K 21/46 (20060101); H02K 21/00 (20060101); F25B 031/00 ()

Expiration Date: 10/23/2018