Vacuum unit and truck with air and water
US10119245B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 25, 2016 |
| Grant date | Nov 6, 2018 |
| Priority date | — |
| Expiry date | Dec 6, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F5/003
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Vacuum units and vacuum trucks, for example, for excavating material, for instance, around buried utility lines. Multiple embodiments include an air and water nozzle that provides air and water to break up material (e.g., earth) that is picked up by a vacuum system. Various embodiments include a vacuum system, a compressed air system, a water system, and an air and water nozzle configured to be hand guided by an operator while excavating the material. In a number of embodiments, the air and water nozzle can include a body that is hand held by the operator while excavating the material, an air passageway through the body, a water passageway through the body, an air valve, a water valve, an air control that opens and closes the air valve, and a water control that opens and closes the water valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.