Title:
COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2018/131088
Kind Code:
A1
Abstract:
Provided is a compressor comprising: a compression mechanism that compresses a refrigerant; a main shaft that transmits a rotational drive force to the compression mechanism; a balance weight that is disposed below the compression mechanism and is formed integrally with the main shaft, and that has a cylindrical outer peripheral surface centered on the main shaft; and an oil reservoir that is provided below the balance weight and that stores lubricating oil to be supplied to the compression mechanism. An annular oil-receiving recess centered on the main shaft is formed integrally with the balance weight on the top surface of the balance weight. A cavity that is disposed eccentrically in the circumferential direction centered on the main shaft is formed integrally with the balance weight on the bottom surface of the balance weight. The oil receiving recess communicates with at least a portion of the cavity.
Inventors:
TATSUWAKI KOHEI (JP)
ISHIZONO FUMIHIKO (JP)
MATSUI TOMOKAZU (JP)
KOYAMA SHUHEI (JP)
ISHIZONO FUMIHIKO (JP)
MATSUI TOMOKAZU (JP)
KOYAMA SHUHEI (JP)
Application Number:
PCT/JP2017/000607
Publication Date:
July 19, 2018
Filing Date:
January 11, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F04C18/02
Foreign References:
| JP2007247647A | 2007-09-27 | |||
| JP2003293955A | 2003-10-15 | |||
| JP2005214173A | 2005-08-11 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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