Dual speed flow control valve
US6378552B1 · kind B1 · utility
5Cited by
32References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 2000 |
| Grant date | Apr 30, 2002 |
| Priority date | — |
| Expiry date | Nov 10, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7879
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An exemplary embodiment of the invention is a dual speed air control valve including a first sheet having an aperture therein and a second sheet continuously secured to the first sheet along a periphery of the first and second sheets. Further, a third sheet in continuously secured to the second sheet along a periphery of the third and second sheets. The first sheet defines at least one aperture in fluid communication with the third sheet. The third sheet defines at least one aperture in fluid communication with the first sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.