Discharge silencer provided with drain recovering function
US6425742B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2000 |
| Grant date | Jul 30, 2002 |
| Priority date | — |
| Expiry date | Sep 22, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
The silencer 22 having an enclosed tank 23 includes an inlet port 24 positioned at one side of the tank 23, a discharge port 25 positioned at another side of the tank 23, and a partition plate 26 separating an inner space of the tank 23 into an inlet side chamber and an outlet side chamber. The partition plate 26 is formed with an orifice 27 communicating the separated chambers with each other. The partition plate 26 is also provided with a drain hole 28 communicating with both the chambers. The tank 23 is located at a position lower than the vacuum pump 12. A drain discharge line 33 may communicate with a lower portion of a casing of the vacuum pump 12. Furthermore, the tank may have a cooling water jacket 31 for cooling a wall of the tank 23.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.