Title:
【発明の名称】多段圧縮機
Document Type and Number:
Japanese Patent JP3370046
Kind Code:
B2
Abstract:
Refrigerant compressed by a first stage compression elements (30) run by a motor (20) is discharged in the closed container (10) via a silencer chamber (35) to cool the motor (20) before the refrigerant is led to a second stage compression element (40). The refrigerant is discharged from the second stage compression element (40) out of the compressor after it is further compressed in the second compression element (40). Thus, the motor (20) is cooled in a simple cooling mechanism during normal operation of the compressor.
Inventors:
Toshiyuki Ehara
Satoru Imai
Masaya Tadano
Atsushi Oda
Satoru Imai
Masaya Tadano
Atsushi Oda
Application Number:
JP2000093719A
Publication Date:
January 27, 2003
Filing Date:
March 30, 2000
Export Citation:
Assignee:
Sanyo Electric Co., Ltd.
International Classes:
F04B39/06; F04B39/12; F04B41/06; F04C23/00; F04C29/00; F04C29/04; F04C29/06; F04C18/356; (IPC1-7): F04B39/06; F04B41/06; F04C23/00; F04C29/04
Domestic Patent References:
| JP633886A | ||||
| JP5256285A |
Other References:
【文献】特許2723610(JP,B2)
Attorney, Agent or Firm:
Monda Makoto (1 person outside)