Title:
REFRIGERATION CYCLE UNIT AND PUMP UNIT
Document Type and Number:
Japanese Patent JP2002372343
Kind Code:
A
Abstract:
To enhance lubrication at a sliding part of a pump unit without causing a refrigerant to be influenced by heat of a motor section in the pump unit conveying liquid refrigerant or the like of an air conditioner or the like.
A rotor 21 comprising a permanent magnet is provided in a sealed container 12, and a drive side magnet 10 for transmitting torque to the rotor is provided outside of the container so that a pump system 14 is rotated. The pump system 14 is constituted of a casing 15 and a pump rotor 16, and a passage for allowing a carrier liquid to flow to the shaft-sliding part is provided.
Inventors:
SAITO MAKOTO
KITORA YOSHIHISA
NAKAMURA TOSHIYUKI
MIYAMOTO MORIYA
KITORA YOSHIHISA
NAKAMURA TOSHIYUKI
MIYAMOTO MORIYA
Application Number:
JP2002080389A
Publication Date:
December 26, 2002
Filing Date:
March 22, 2002
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
F04D15/00; F04D5/00; F04D13/02; F24F5/00; F25B41/00; (IPC1-7): F25B41/00; F04D5/00; F04D13/02; F04D15/00
Attorney, Agent or Firm:
Kaneo Miyata (1 person outside)