Fluid micro-injection device and flow channel assembly
US11148162B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2018 |
| Grant date | Oct 19, 2021 |
| Priority date | — |
| Expiry date | Apr 28, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B1/3006
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A flow channel assembly (200) of a fluid micro-injection device have a fluid seat (210), a nozzle (220) and a fluid supply joint (230), the fluid seat (210) defines a fluid chamber (211) and a flow channel (212), which communicates with each other, the nozzle (220) is in communication with the fluid chamber (211), the movable member of the fluid micro-injection device movably passes through the fluid chamber (211) to open and close the nozzle (220), the fluid supply joint (230) communicates with the flow channel (212) to provide fluid to the nozzle (220) through the flow channel (212) and the fluid chamber (211).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.