Title:
COMPRESSOR AND COMPRESSOR CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2023/176168
Kind Code:
A1
Abstract:
This compressor previously obtains a bearing temperature rise of a bearing and stores the bearing temperature rise as a first bearing temperature rise pattern, compares an actual second bearing temperature rise pattern of the bearing detected by a temperature sensor with the prestored first bearing temperature rise pattern, and, when it is determined that the bearing temperature rise is a temperature rise due to grease filling, performs control so that an alarm is not activated.
Inventors:
MIZUNO MIKIO (JP)
OTA YUYA (JP)
ANZAI YOSHIO (JP)
SUZUKI TOMOO (JP)
OTA YUYA (JP)
ANZAI YOSHIO (JP)
SUZUKI TOMOO (JP)
Application Number:
PCT/JP2023/002630
Publication Date:
September 21, 2023
Filing Date:
January 27, 2023
Export Citation:
Assignee:
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD (JP)
International Classes:
H02P29/62; F16C33/66; F16C41/00
Domestic Patent References:
| WO2020144725A1 | 2020-07-16 |
Foreign References:
| JP2019158149A | 2019-09-19 | |||
| JP2010076057A | 2010-04-08 | |||
| JPH04187802A | 1992-07-06 |
Attorney, Agent or Firm:
SEIRYO I.P.C. (JP)
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