Apparatus responsive to entry into space and method of operation thereof
US4651764A · kind A · utility
3Cited by
8References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 1985 |
| Grant date | Mar 24, 1987 |
| Priority date | — |
| Expiry date | Jul 3, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/2012
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Apparatus useful on space vehicles as a valve for establishing external pressure in a pressure container or otherwise as an engine for performing work. The apparatus is responsive to atomspheric pressure retained in a plenum are applied to one side of a piston which atomspheric pressure is greater than an external pressure applied to the other side of the piston in a vacuum environment. A method for operation of such apparatus is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.