Multi-channel fluid conveying apparatus
US8157549B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2009 |
| Grant date | Apr 17, 2012 |
| Priority date | — |
| Expiry date | Jan 13, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87676
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A multi-channel fluid conveying apparatus, for delivering a fluid, includes a valve seat, a valve cover, a valve membrane, a plurality of temporary-deposit chambers, and an actuating device. The valve seat includes at least one inlet channel and at least one outlet channel. The valve cover is arranged on the valve seat. The valve membrane is interposed between the valve seat and the valve cover and includes a plurality of valve structures made of the same material with the same thickness, wherein at least one of the valve structures has a rigidity different from those of other valve structures. The plurality of temporary-deposit chambers is interposed between the valve membrane and the valve cover and between the valve membrane and the valve seat. The actuating device is, having a periphery, fixed to the valve cover.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.