Constant volume buoyancy compensator
US4114389A · kind A · utility
29Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 1, 1977 |
| Grant date | Sep 19, 1978 |
| Priority date | — |
| Expiry date | Jul 1, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63C2011/026
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A diver's buoyancy compensator employs a constant volume chamber which is controllably pressurized with air from the diver's SCUBA tank, and water is admitted to or emitted from the tank by one or the other of two manually operated valves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.