Title:
COMPRESSOR, OUTDOOR UNIT AND AIR CONDITIONING DEVICE
Document Type and Number:
Japanese Patent JP2021017853
Kind Code:
A
Abstract:
To provide a compressor and the like capable of sufficiently reducing the amount of refrigerating machine oil discharged to the external, while securing supply of the refrigerating machine oil to a necessary place.SOLUTION: A compressor includes a motor 40, a rotating shaft 31 driven by the motor and having an eccentric portion, a container disposed below the motor and having a compression chamber 51, a rotor disposed at the circumference of the eccentric portion and rotating in the compression chamber, a partition member kept into contact with the rotor and partitioning the compression chamber into two, and an elastic body pressing one end of the partition member. The container includes a side body 52 on which the partition member and the elastic body are mounted, and two bearings closing both ends of the compression chambers and rotatably supporting the rotating shaft. An upper bearing 53 at a motor side, of the two bearings has a spiral groove 56 for supplying an oil stored at a lower part of the container to an upper part, and an oil discharge hole 57 continued to the spiral groove for discharging the oil supplied through the spiral groove, and the oil discharge hole is inclined and extends downward to a space 32 between the motor and the container at the circumference of the rotating shaft.SELECTED DRAWING: Figure 3
Inventors:
TAKEZAWA KENJI
Application Number:
JP2019134294A
Publication Date:
February 15, 2021
Filing Date:
July 22, 2019
Export Citation:
Assignee:
HITACHI JOHNSON CONTROLS AIR CONDITIONING INC
International Classes:
F04C18/356; F04C29/02
Domestic Patent References:
| JPS5891392A | 1983-05-31 | |||
| JPS58169190U | 1983-11-11 | |||
| JP2008231959A | 2008-10-02 | |||
| JP2015197044A | 2015-11-09 | |||
| JPS51108218U | 1976-08-30 | |||
| JP2019035391A | 2019-03-07 |
Foreign References:
| WO2017072867A1 | 2017-05-04 | |||
| WO2008023694A1 | 2008-02-28 |
Attorney, Agent or Firm:
Patent Corporation MIP