Distribution valve
US5343893A · kind A · utility
32Cited by
6References
23Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 12, 1993 |
| Grant date | Sep 6, 1994 |
| Priority date | — |
| Expiry date | Mar 12, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86541
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
This invention relates to a fluid distribution valve comprising a port select valve structure wherein the flow of fluid from a fluid flow source is directed through a chamber of a rotatable member comprising a plurality of varying sized spaced ports which align with ports of a housing at various positions of rotation of the member to provide variations of fluid flow through the ports of the housing. The valve has particular utility as an air distribution valve in an air flow support mattress system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.