Title:
MOTOR COOLING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/130935
Kind Code:
A1
Abstract:
This motor cooling system (S) comprises a compressor (C1) that raises the pressure of and transports a process gas (g) and comprises: a motor (m) that has a rotor (2) and a stator (3); and an impeller (1) that is driven by the motor (m) and raises the pressure of the process gas (g). The stator (3) is arranged inside a cylindrical motor frame (5). One or more first ventilation holes (9) are provided in the motor frame (5) upstream of the motor (m).
Inventors:
KOBAYASHI KATSUTOSHI (JP)
Application Number:
PCT/JP2018/043382
Publication Date:
July 04, 2019
Filing Date:
November 26, 2018
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
H02K9/08; F04D29/00; F04D29/58
Foreign References:
| JP2017085740A | 2017-05-18 | |||
| JP2005168204A | 2005-06-23 | |||
| JP2010166717A | 2010-07-29 | |||
| JP2001339912A | 2001-12-07 | |||
| JPS5822848U | 1983-02-12 | |||
| JP2013158135A | 2013-08-15 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
Download PDF: