Patent · US Active

Washer for tanks

US7686893B2 · kind B2 · utility

2Cited by
8References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 9, 2003
Grant dateMar 30, 2010
Priority date
Expiry dateJul 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.