Patent · US Expired

Venting circuit for a liquid tank

US6089249A · kind A · utility

11Cited by
8References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 18, 1999
Grant dateJul 18, 2000
Priority date
Expiry dateMar 18, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/86324
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

Venting circuit for a liquid tank, the upper wall of which comprises at least two regions liable to contain pockets of gas, the said circuit consisting of at least one ventilation tubing connecting ventilation points located in the upper part of the regions and a vent, and having at least one siphon-shaped lower part connected via a pipe to a point under vacuum inside the tank so as to allow the liquid present in the venting circuit to be removed, the vacuum being created by the pump for drawing off the liquid.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.