Drain valve assembly
US7803218B2 · kind B2 · utility
1Cited by
22References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2007 |
| Grant date | Sep 28, 2010 |
| Priority date | — |
| Expiry date | Jul 30, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24F8/60
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An on-board oxygen generating system is provided, which includes an air supply duct, a breathing gas duct, and an oxygen generator fluidly coupled between the air supply duct and the breathing gas duct. The oxygen generator is configured to enrich the oxygen content of air flowing from the air supply duct to the breathing gas duct. A drain valve assembly is fluidly coupled to the air supply duct and configured to move between: (i) an open position wherein condensation may drain from the air supply duct, and (ii) a closed position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.