Fluid dispenser including an improved pressure regulator
US7350908B2 · kind B2 · utility
0Cited by
11References
15Claims
0Family size
Inventors
Key dates
| Filing date | Feb 24, 2005 |
| Grant date | Apr 1, 2008 |
| Priority date | — |
| Expiry date | Jan 10, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/17559
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
One embodiment of a fluid cartridge includes a fluid chamber including an interior for holding fluid and an exterior in communication with an ambient air pressure, and a pressure regulator aperture extending between the interior and the exterior of the fluid chamber, the pressure regulator aperture including a plurality of curved facets concave with respect to an elongate axis of the aperture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.