Title:
COMPRESSOR
Document Type and Number:
Japanese Patent JP2020041476
Kind Code:
A
Abstract:
To provide a compressor of which the cost is reduced and the reliability is improved.SOLUTION: A compression mechanism 101 and a drive part 102 which are connected by a rotary shaft 2 are accommodated in a sealed container 1. The compression mechanism 101 is installed at an upper side Y1 of the drive part 102 in an axial direction Y, and the drive part 102 rotationally drives the rotary shaft 2. A main bearing 3 and a main holding part 5 are installed at an upper end side in the axial direction Y, and a slide bearing 4 and a sub holding part 6 are installed at a lower end side in the axial direction Y. A pump 11 supplies a lubricant which is stored in a lower end of the sealed container 1, through a first hole 21 to the main bearing 3, and the lubricant supplied to the main bearing 3 falls down from the upper side Y1 to the lower side Y2 and is circulated inside of the sealed container 1. In the slide bearing 4, a hole part 13 is formed while communicating from an outer side X1 of the slide bearing 4 in a radial direction X to an inner side X2 in the radial direction X, and the sub holding part 6 includes a recess 12 of which the upper end in the axial direction Y is opened and which reaches the hole part 13.SELECTED DRAWING: Figure 1
Inventors:
HIRANO TETSUYA
YASUDA FUMIAKI
YASUDA FUMIAKI
Application Number:
JP2018169267A
Publication Date:
March 19, 2020
Filing Date:
September 11, 2018
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
F04B39/00; F04C18/02; F04C29/02
Domestic Patent References:
| JP2006029185A | 2006-02-02 | |||
| JP2004132287A | 2004-04-30 | |||
| JP2002021731A | 2002-01-23 | |||
| JP2005133657A | 2005-05-26 | |||
| JP2012055120A | 2012-03-15 |
Attorney, Agent or Firm:
Keigo Murakami
Masuo Oiwa
Kenji Yoshizawa
Takenaka Ikuo
Masuo Oiwa
Kenji Yoshizawa
Takenaka Ikuo