Method and apparatus for displacing oil and seawater in tanks of an oil tank
US4178868A · kind A · utility
4Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 1978 |
| Grant date | Dec 18, 1979 |
| Priority date | — |
| Expiry date | Mar 17, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63B2025/085
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Each of compartments of an oil tanker is divided by a flexible membrane into first and second sections one of which is used as an oil chamber. The membrane is made of an oil-resistant and chemical-resistant material. When an oil is loaded, the second section is unloaded, the second section is filled with a ballasting seawater, crashing the first section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.