Nozzle for a nasal inhaler
US8656909B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2011 |
| Grant date | Feb 25, 2014 |
| Priority date | — |
| Expiry date | Jun 23, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/10
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A nozzle, for use in a fluid dispensing device, having a body defining a fluid flow channel which is shaped to impart acceleration and angular momentum to fluid passing therethrough, an inlet port formed in the body and defining an inlet to the channel, and an outlet port formed in the body and defining an outlet from the channel, wherein the fluid flow channel includes a swirl chamber having a plurality of swirl chamber segments, the swirl chamber being located between the channel inlet and the channel outlet, wherein the body is comprised of a mating assembly of a plurality of like component parts, each of the component parts providing one of the swirl chamber segments; wherein the fluid flow channel includes a plurality of inlets to the swirl chamber for feeding fluid into the swirl chamber and wherein each of the component parts provides one of the swirl chamber inlets; wherein the swirl chamber inlets are positioned to feed fluid into respectively different swirl chamber segments and wherein the swirl chamber segments are fed from one of the swirl chamber inlets provided by another of the component parts; and wherein each swirl chamber inlet is connected to the channel inlet b…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.