Washer for tanks
US7686893B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 9, 2003 |
| Grant date | Mar 30, 2010 |
| Priority date | — |
| Expiry date | Jul 30, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/18592
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A tank washer comprising a housing which supports reciprocating spray nozzles for spaying the walls of a tank which is to be cleaned with a cleaning liquid. The reciprocation of the spray nozzles is controlled by a piston that reciprocates in the housing under the force of the cleaning liquid. A piston assembly for use in a tank washer comprising a piston head and a connecting rod having one end connected to said piston head. The piston is mounted in a piston chamber for reciprocation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.