System for underground storage and delivery of liquid product, and recovery of leakage
US5544974A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Sep 21, 1990 |
| Grant date | Aug 13, 1996 |
| Priority date | — |
| Expiry date | Sep 21, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S220/917
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A system for the storage and dispensing of liquid product from an underground installation comprises a storage tank which bears on its top a containment chamber enclosing all fittings for apparatus which gasoline or other stored product will pass through under pressure. Attached to at least one fitting each are a fill arrangement for introducing liquid to the storage tank, and a pump for pumping fluid therefrom, both of which are entirely enclosed in secondary containment, the storage tank itself and piping also being enclosed in secondary containment, such that the system is pressure tight, and recovers all leaked fluid in a state in which the fluid can be reused.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.