Gas blending apparatus
US4928850A · kind A · utility
11Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 1989 |
| Grant date | May 29, 1990 |
| Priority date | — |
| Expiry date | May 2, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/2572
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An apparatus for blending two gases together in precisely adjustable proportions. The apparatus includes a mechanically adjustable, blending subassembly adapted to receive the first gas at a predetermined pressure and a one to one force balanced pneumatic relay which is operated by the first gas and which meters the flow of the second gas to the blending subassembly at a pressure substantially equal to the pressure of the first gas being supplied to the blending subassembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.