Spray apparatus
US6749131B2 · kind B2 · utility
6Cited by
4References
7Claims
0Family size
Inventor
Key dates
| Filing date | Apr 29, 2003 |
| Grant date | Jun 15, 2004 |
| Priority date | — |
| Expiry date | Apr 29, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B15/58
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Spray apparatus comprising a spray carrier or liquid reservoir (1), a loop circuit, a first pump (2) for feeding spray liquid from the liquid reservoir (1) to the loop circuit (A, B, C, D), a spray chemical reservoir (5), chemical injection means for injecting spray chemical from the spray chemical reservoir (5) into the loop circuit (A, B, C, D), a spray nozzle (6), a valve (20) selectively connecting the spray nozzle (6) to the loop circuit (A, B, C, D), and a second pump (4) in the loop circuit (A, B, C, D) for continuously circulating spray liquid and spray chemical in the loop circuit (A, B, C, D).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.