Air introduction device for a hydro-pneumatic reservoir
US6047721A · kind A · utility
2Cited by
11References
20Claims
0Family size
Inventor
Key dates
| Filing date | Jul 30, 1998 |
| Grant date | Apr 11, 2000 |
| Priority date | — |
| Expiry date | Jul 30, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/3133
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Device 7 for introducing air into a hydraulic system comprising a hydro-pneumatic reservoir 3 mounted on a pipe 1. The air introduction device 7 is mounted in such fashion as to introduce air into an area of the system containing water in which the pressure P.sub.s is either below or slightly above atmospheric pressure. The device is active when a lack of air is to be made good in the hydro-pneumatic reservoir 3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.