Fluid blending devices
US12427281B2 · kind B2 · utility
0Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2021 |
| Grant date | Sep 30, 2025 |
| Priority date | — |
| Expiry date | Dec 5, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/42
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Methods and devices for blending of fluids are disclosed. A fluid blender has a fluid inlet to receive a fluid, a nozzle with a convergent shape tapering down towards a nozzle end, a mixing chamber with holes arranged on a wall, and a mixture outlet having a divergent shape. In some aspects, a rotary sleeve is externally placed around the wall. The rotary sleeve has slits with a variable shape along its lateral extension. In other aspects the fluid blender has inlet tubes with check valves and a blending tube. An inlet tube has an adjustable orifice to adjust flow inside the blender.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.