Vacuum pump oil changing method and apparatus
US8590321B2 · kind B2 · utility
2Cited by
23References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 5, 2010 |
| Grant date | Nov 26, 2013 |
| Priority date | — |
| Expiry date | Nov 26, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2345/002
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
Refrigerant processing equipment is provided. The refrigerant processing equipment may include: a vacuum pump; an outlet for draining vacuum pump lubricating oil from the vacuum pump; a fluid container; and a conduit configured to provide a fluid connection between the outlet and the container. A method for draining oil from a vacuum pump from refrigerant processing equipment is provided. The method may include connecting an outlet for oil on the vacuum pump with a container; and providing a valve between the outlet and the container to selectively provide fluid communication between the outlet and an the container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.