Sliding-vane rotary compressor for bearing lubrication
US4834634A · kind A · utility
12Cited by
4References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 21, 1988 |
| Grant date | May 30, 1989 |
| Priority date | — |
| Expiry date | Jun 21, 2008 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C29/02
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A sliding-vane rotary compressor includes a suction hole defined in a side block for connecting compression chambers with a bearing/shaft-seal chamber, and a guide hole defined in a drive shaft for connecting the bearing/shaft-seal chamber and a low pressure chamber, whereby a bearing and a shaft seal jointly defining therebetween the bearing/shaft-seal chamber can be lubricated sufficiently by a refrigerant carrier entraining a lubricating oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.