Nozzle auto-cleaning device and nozzle auto-cleaning method
US10478849B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 5, 2017 |
| Grant date | Nov 19, 2019 |
| Priority date | — |
| Expiry date | May 5, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05C5/0254
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A nozzle auto-cleaning device and a nozzle auto-cleaning method are disclosed. The nozzle auto-cleaning device includes a base and a cleaning piece feeding unit disposed on the base, the base has a bearing surface on which the cleaning piece feeding unit is disposed, the cleaning piece feeding unit is configured to transport a cleaning piece installed inside the nozzle auto-cleaning device along a first direction intersected with the bearing surface so that a first portion of the cleaning piece is protruded in a direction away from the bearing surface and inserted into a nozzle, and the base is configured to move along at least one direction of the first direction, as well as a second direction and a third direction intersected in a plane of the bearing surface, so as to drive the first portion of the cleaning piece to move inside the nozzle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.