Liquid dispensing device having a pre-compression outlet valve
US10562053B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2015 |
| Grant date | Feb 18, 2020 |
| Priority date | — |
| Expiry date | May 2, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/104
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Provided is a liquid dispensing device that includes: a piston chamber; a piston that is moveable within the piston chamber to pressurize a liquid to be dispensed; a nozzle with a defined throughput for dispensing the liquid; an outlet valve having a defined minimum opening pressure arranged between the piston chamber and the nozzle; and a prime valve for priming the device, where the prime valve may be mechanically operable and may be arranged on or in the piston.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.