CA2540792A1 - Lubrication of a hermetic carbon dioxide compressor - Google Patents
Lubrication of a hermetic carbon dioxide compressor Download PDFInfo
- Publication number
- CA2540792A1 CA2540792A1 CA002540792A CA2540792A CA2540792A1 CA 2540792 A1 CA2540792 A1 CA 2540792A1 CA 002540792 A CA002540792 A CA 002540792A CA 2540792 A CA2540792 A CA 2540792A CA 2540792 A1 CA2540792 A1 CA 2540792A1
- Authority
- CA
- Canada
- Prior art keywords
- drive shaft
- oil
- bearing
- sump
- chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound 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O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title 1
- 229910002092 carbon dioxide Inorganic materials 0.000 title 1
- 239000001569 carbon dioxide Substances 0.000 title 1
- 238000005461 lubrication Methods 0.000 title 1
- 239000003921 oil Substances 0.000 abstract 7
- 238000007906 compression Methods 0.000 abstract 2
- 239000012530 fluid Substances 0.000 abstract 2
- 239000010687 lubricating oil Substances 0.000 abstract 1
Abstract
A hermetic compressor comprises a housing having an oil containing sump, a motor and a compression mechanism in the housing, a bearing in a stationary frame and a drive shaft supported by the bearing. The drive shaft operatively couples the motor and the compression mechanism and a longitudinal oil supply passageway extends through the drive shaft in fluid communication with the sump. A chamber, located at a first end of the drive shaft, is in fluid communication with the oil supply passageway. Oil from the sump is provided to the chamber through the oil supply passageway. An oil return passageway extends from the chamber to an annulus formed between the bearing and the drive shaft and extends at least partially through the stationary frame. Lubricating oil is provided to the annulus through the oil return passageway so that the bearing and drive shaft interface is lubricated.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/166,646 | 2002-06-11 | ||
| US10/166,646 US7044717B2 (en) | 2002-06-11 | 2002-06-11 | Lubrication of a hermetic carbon dioxide compressor |
| CA 2431715 CA2431715C (en) | 2002-06-11 | 2003-06-10 | Lubrication of a hermetic carbon dioxide compressor |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date | |
|---|---|---|---|---|
| CA 2431715 Division CA2431715C (en) | 2002-06-11 | 2003-06-10 | Lubrication of a hermetic carbon dioxide compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2540792A1 true CA2540792A1 (en) | 2003-12-11 |
| CA2540792C CA2540792C (en) | 2009-08-04 |
Family
ID=36646301
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002540790A Expired - Fee Related CA2540790C (en) | 2002-06-11 | 2003-06-10 | Lubrication of a hermetic carbon dioxide compressor |
| CA002540792A Expired - Fee Related CA2540792C (en) | 2002-06-11 | 2003-06-10 | Lubrication of a hermetic carbon dioxide compressor |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002540790A Expired - Fee Related CA2540790C (en) | 2002-06-11 | 2003-06-10 | Lubrication of a hermetic carbon dioxide compressor |
Country Status (1)
| Country | Link |
|---|---|
| CA (2) | CA2540790C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206401B (en) * | 2012-01-17 | 2015-12-16 | 珠海格力电器股份有限公司 | Centrifugal compressor and comprise the chiller plant of this centrifugal compressor |
| US9701323B2 (en) | 2015-04-06 | 2017-07-11 | Bedloe Industries Llc | Railcar coupler |
-
2003
- 2003-06-10 CA CA002540790A patent/CA2540790C/en not_active Expired - Fee Related
- 2003-06-10 CA CA002540792A patent/CA2540792C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2540792C (en) | 2009-08-04 |
| CA2540790A1 (en) | 2003-12-11 |
| CA2540790C (en) | 2009-10-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20140610 |