Gas transfer unit
US8571436B2 · kind B2 · utility
1Cited by
9References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 11, 2011 |
| Grant date | Oct 29, 2013 |
| Priority date | — |
| Expiry date | Apr 25, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8593
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A gas transfer unit includes a transfer path forming member; a gas transferring member; and a gas purifying member as defined herein, and in a case where exhaustion is performed through the first exhaust port, the transfer vanes are rotated at a first rotation number, and, in a case where exhaustion is performed through the second exhaust port, the transfer vanes are rotated at a second rotation number which is higher than the first rotation number.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.