Dispenser
US11484900B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 7, 2021 |
| Grant date | Nov 1, 2022 |
| Priority date | — |
| Expiry date | Jan 7, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/1001
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Dispensers are disclosed that are adapted to be coupled to a reservoir to dispense a fluid contained in the reservoir. A dispenser includes a pump having a pump chamber, an intake conduit, a discharge conduit, and a pulsation dampener. The pulsation dampener includes a housing with an interior volume and an opening. Further, the pulsation dampener includes a spring biased movable piston located in the interior volume and defines a variable volume headspace between the piston and the opening of the pulsation dampener, the opening being in fluid communication with the discharge conduit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.